/* PrintWriter.java -- prints primitive values and objects to a stream as text
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/* PrintWriter.java -- prints primitive values and objects to a stream as text
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Copyright (C) 1998, 1999, 2000, 2001, 2005 Free Software Foundation
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Copyright (C) 1998, 1999, 2000, 2001, 2005 Free Software Foundation
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This file is part of GNU Classpath.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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any later version.
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|
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GNU Classpath is distributed in the hope that it will be useful, but
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
|
along with GNU Classpath; see the file COPYING. If not, write to the
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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making a combined work based on this library. Thus, the terms and
|
conditions of the GNU General Public License cover the whole
|
conditions of the GNU General Public License cover the whole
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combination.
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combination.
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As a special exception, the copyright holders of this library give you
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
|
permission to link this library with independent modules to produce an
|
executable, regardless of the license terms of these independent
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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terms of your choice, provided that you also meet, for each linked
|
independent module, the terms and conditions of the license of that
|
independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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or based on this library. If you modify this library, you may extend
|
this exception to your version of the library, but you are not
|
this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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exception statement from your version. */
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package java.io;
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package java.io;
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import java.util.Locale;
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import java.util.Locale;
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import java.util.Formatter;
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import java.util.Formatter;
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/* Written using "Java Class Libraries", 2nd edition, plus online
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/* Written using "Java Class Libraries", 2nd edition, plus online
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* API docs for JDK 1.2 beta from http://www.javasoft.com.
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* API docs for JDK 1.2 beta from http://www.javasoft.com.
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* Status: Believed complete and correct.
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* Status: Believed complete and correct.
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* However, should use native methods for conversion.
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* However, should use native methods for conversion.
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*/
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*/
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/**
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/**
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* This class prints Java primitive values and objects to a stream as
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* This class prints Java primitive values and objects to a stream as
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* text. None of the methods in this class throw an exception. However,
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* text. None of the methods in this class throw an exception. However,
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* errors can be detected by calling the <code>checkError()</code> method.
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* errors can be detected by calling the <code>checkError()</code> method.
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* Additionally, this stream can be designated as "autoflush" when
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* Additionally, this stream can be designated as "autoflush" when
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* created so that any writes are automatically flushed to the underlying
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* created so that any writes are automatically flushed to the underlying
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* output sink whenever one of the <code>println</code> methods is
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* output sink whenever one of the <code>println</code> methods is
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* called. (Note that this differs from the <code>PrintStream</code>
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* called. (Note that this differs from the <code>PrintStream</code>
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* class which also auto-flushes when it encounters a newline character
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* class which also auto-flushes when it encounters a newline character
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* in the chars written).
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* in the chars written).
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*
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*
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* @author Per Bothner (bothner@cygnus.com)
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* @author Per Bothner (bothner@cygnus.com)
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* @author Aaron M. Renn (arenn@urbanophile.com)
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* @author Aaron M. Renn (arenn@urbanophile.com)
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* @date April 17, 1998.
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* @date April 17, 1998.
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*/
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*/
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public class PrintWriter extends Writer
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public class PrintWriter extends Writer
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{
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{
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/**
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/**
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* <code>true</code> if auto-flush is enabled, <code>false</code> otherwise
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* <code>true</code> if auto-flush is enabled, <code>false</code> otherwise
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*/
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*/
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private boolean autoflush;
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private boolean autoflush;
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/**
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/**
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* This boolean indicates whether or not an error has ever occurred
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* This boolean indicates whether or not an error has ever occurred
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* on this stream.
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* on this stream.
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*/
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*/
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private boolean error;
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private boolean error;
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/**
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/**
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* Indicates whether or not the stream has been closed.
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* Indicates whether or not the stream has been closed.
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*/
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*/
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private boolean closed;
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private boolean closed;
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/**
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/**
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* This is the underlying <code>Writer</code> we are sending output
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* This is the underlying <code>Writer</code> we are sending output
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* to
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* to
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*/
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*/
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protected Writer out;
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protected Writer out;
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/**
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/**
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* This method intializes a new <code>PrintWriter</code> object to write
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* This method intializes a new <code>PrintWriter</code> object to write
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* to the specified output sink. The form of the constructor does not
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* to the specified output sink. The form of the constructor does not
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* enable auto-flush functionality.
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* enable auto-flush functionality.
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*
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*
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* @param wr The <code>Writer</code> to write to.
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* @param wr The <code>Writer</code> to write to.
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*/
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*/
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public PrintWriter(Writer wr)
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public PrintWriter(Writer wr)
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{
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{
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super(wr.lock);
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super(wr.lock);
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this.out = wr;
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this.out = wr;
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}
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}
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/**
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/**
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* This method intializes a new <code>PrintWriter</code> object to write
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* This method intializes a new <code>PrintWriter</code> object to write
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* to the specified output sink. This constructor also allows "auto-flush"
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* to the specified output sink. This constructor also allows "auto-flush"
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* functionality to be specified where the stream will be flushed after
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* functionality to be specified where the stream will be flushed after
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* every line is terminated or newline character is written.
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* every line is terminated or newline character is written.
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*
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*
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* @param wr The <code>Writer</code> to write to.
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* @param wr The <code>Writer</code> to write to.
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* @param autoflush <code>true</code> to flush the stream after every
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* @param autoflush <code>true</code> to flush the stream after every
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* line, <code>false</code> otherwise
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* line, <code>false</code> otherwise
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*/
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*/
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public PrintWriter(Writer wr, boolean autoflush)
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public PrintWriter(Writer wr, boolean autoflush)
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{
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{
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super(wr.lock);
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super(wr.lock);
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this.out = wr;
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this.out = wr;
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this.autoflush = autoflush;
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this.autoflush = autoflush;
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}
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}
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/**
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/**
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* This method initializes a new <code>PrintWriter</code> object to write
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* This method initializes a new <code>PrintWriter</code> object to write
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* to the specified <code>OutputStream</code>. Characters will be converted
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* to the specified <code>OutputStream</code>. Characters will be converted
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* to chars using the system default encoding. Auto-flush functionality
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* to chars using the system default encoding. Auto-flush functionality
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* will not be enabled.
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* will not be enabled.
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*
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*
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* @param out The <code>OutputStream</code> to write to
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* @param out The <code>OutputStream</code> to write to
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*/
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*/
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public PrintWriter(OutputStream out)
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public PrintWriter(OutputStream out)
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{
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{
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super();
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super();
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this.out = new OutputStreamWriter(out);
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this.out = new OutputStreamWriter(out);
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this.lock = this.out;
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this.lock = this.out;
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}
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}
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/**
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/**
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* This method initializes a new <code>PrintWriter</code> object to write
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* This method initializes a new <code>PrintWriter</code> object to write
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* to the specified <code>OutputStream</code>. Characters will be converted
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* to the specified <code>OutputStream</code>. Characters will be converted
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* to chars using the system default encoding. This form of the
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* to chars using the system default encoding. This form of the
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* constructor allows auto-flush functionality to be enabled if desired
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* constructor allows auto-flush functionality to be enabled if desired
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*
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*
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* @param out The <code>OutputStream</code> to write to
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* @param out The <code>OutputStream</code> to write to
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* @param autoflush <code>true</code> to flush the stream after every
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* @param autoflush <code>true</code> to flush the stream after every
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* <code>println</code> call, <code>false</code> otherwise.
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* <code>println</code> call, <code>false</code> otherwise.
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*/
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*/
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public PrintWriter(OutputStream out, boolean autoflush)
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public PrintWriter(OutputStream out, boolean autoflush)
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{
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{
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this(out);
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this(out);
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this.autoflush = autoflush;
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this.autoflush = autoflush;
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}
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}
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/**
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/**
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* This initializes a new PrintWriter object to write to the specified
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* This initializes a new PrintWriter object to write to the specified
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* file. It creates a FileOutputStream object and wraps it in an
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* file. It creates a FileOutputStream object and wraps it in an
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* OutputStreamWriter using the default encoding.
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* OutputStreamWriter using the default encoding.
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* @param file name of the file to write to
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* @param file name of the file to write to
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* @throws FileNotFoundException if the file cannot be written or created
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* @throws FileNotFoundException if the file cannot be written or created
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*
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*
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* @since 1.5
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* @since 1.5
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*/
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*/
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public PrintWriter(String file) throws FileNotFoundException
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public PrintWriter(String file) throws FileNotFoundException
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{
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{
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this(new FileOutputStream(file));
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this(new FileOutputStream(file));
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}
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}
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/**
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/**
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* This initializes a new PrintWriter object to write to the specified
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* This initializes a new PrintWriter object to write to the specified
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* file. It creates a FileOutputStream object and wraps it in an
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* file. It creates a FileOutputStream object and wraps it in an
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* OutputStreamWriter using the specified encoding.
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* OutputStreamWriter using the specified encoding.
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* @param file name of the file to write to
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* @param file name of the file to write to
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* @param enc the encoding to use
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* @param enc the encoding to use
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* @throws FileNotFoundException if the file cannot be written or created
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* @throws FileNotFoundException if the file cannot be written or created
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* @throws UnsupportedEncodingException if the encoding is not supported
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* @throws UnsupportedEncodingException if the encoding is not supported
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*
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*
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* @since 1.5
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* @since 1.5
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*/
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*/
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public PrintWriter(String file, String enc)
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public PrintWriter(String file, String enc)
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throws FileNotFoundException, UnsupportedEncodingException
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throws FileNotFoundException, UnsupportedEncodingException
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{
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{
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this(new OutputStreamWriter(new FileOutputStream(file), enc));
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this(new OutputStreamWriter(new FileOutputStream(file), enc));
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}
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}
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/**
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/**
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* This initializes a new PrintWriter object to write to the specified
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* This initializes a new PrintWriter object to write to the specified
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* file. It creates a FileOutputStream object and wraps it in an
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* file. It creates a FileOutputStream object and wraps it in an
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* OutputStreamWriter using the default encoding.
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* OutputStreamWriter using the default encoding.
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* @param file the file to write to
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* @param file the file to write to
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* @throws FileNotFoundException if the file cannot be written or created
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* @throws FileNotFoundException if the file cannot be written or created
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*
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*
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* @since 1.5
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* @since 1.5
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*/
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*/
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public PrintWriter(File file) throws FileNotFoundException
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public PrintWriter(File file) throws FileNotFoundException
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{
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{
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this(new FileOutputStream(file));
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this(new FileOutputStream(file));
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}
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}
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/**
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/**
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* This initializes a new PrintWriter object to write to the specified
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* This initializes a new PrintWriter object to write to the specified
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* file. It creates a FileOutputStream object and wraps it in an
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* file. It creates a FileOutputStream object and wraps it in an
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* OutputStreamWriter using the specified encoding.
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* OutputStreamWriter using the specified encoding.
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* @param file the file to write to
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* @param file the file to write to
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* @param enc the encoding to use
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* @param enc the encoding to use
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* @throws FileNotFoundException if the file cannot be written or created
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* @throws FileNotFoundException if the file cannot be written or created
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* @throws UnsupportedEncodingException if the encoding is not supported
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* @throws UnsupportedEncodingException if the encoding is not supported
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*
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*
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* @since 1.5
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* @since 1.5
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*/
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*/
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public PrintWriter(File file, String enc)
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public PrintWriter(File file, String enc)
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throws FileNotFoundException, UnsupportedEncodingException
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throws FileNotFoundException, UnsupportedEncodingException
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{
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{
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this(new OutputStreamWriter(new FileOutputStream(file), enc));
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this(new OutputStreamWriter(new FileOutputStream(file), enc));
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}
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}
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/**
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/**
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* This method can be called by subclasses to indicate that an error
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* This method can be called by subclasses to indicate that an error
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* has occurred and should be reported by <code>checkError</code>.
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* has occurred and should be reported by <code>checkError</code>.
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*/
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*/
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protected void setError()
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protected void setError()
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{
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{
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error = true;
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error = true;
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}
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}
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/**
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/**
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* This method checks to see if an error has occurred on this stream. Note
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* This method checks to see if an error has occurred on this stream. Note
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* that once an error has occurred, this method will continue to report
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* that once an error has occurred, this method will continue to report
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* <code>true</code> forever for this stream. Before checking for an
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* <code>true</code> forever for this stream. Before checking for an
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* error condition, this method flushes the stream.
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* error condition, this method flushes the stream.
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*
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*
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* @return <code>true</code> if an error has occurred,
|
* @return <code>true</code> if an error has occurred,
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* <code>false</code> otherwise
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* <code>false</code> otherwise
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*/
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*/
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public boolean checkError()
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public boolean checkError()
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{
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{
|
if (! closed)
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if (! closed)
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flush();
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flush();
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return error;
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return error;
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}
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}
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|
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/**
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/**
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* This method flushes any buffered chars to the underlying stream and
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* This method flushes any buffered chars to the underlying stream and
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* then flushes that stream as well.
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* then flushes that stream as well.
|
*/
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*/
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public void flush()
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public void flush()
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{
|
{
|
try
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try
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{
|
{
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out.flush();
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out.flush();
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}
|
}
|
catch (IOException ex)
|
catch (IOException ex)
|
{
|
{
|
error = true;
|
error = true;
|
}
|
}
|
}
|
}
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|
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/**
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/**
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* This method closes this stream and all underlying streams.
|
* This method closes this stream and all underlying streams.
|
*/
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*/
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public void close()
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public void close()
|
{
|
{
|
try
|
try
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{
|
{
|
out.close();
|
out.close();
|
closed = true;
|
closed = true;
|
}
|
}
|
catch (IOException ex)
|
catch (IOException ex)
|
{
|
{
|
error = true;
|
error = true;
|
}
|
}
|
}
|
}
|
|
|
/**
|
/**
|
* This method prints a <code>String</code> to the stream. The actual
|
* This method prints a <code>String</code> to the stream. The actual
|
* value printed depends on the system default encoding.
|
* value printed depends on the system default encoding.
|
*
|
*
|
* @param str The <code>String</code> to print.
|
* @param str The <code>String</code> to print.
|
*/
|
*/
|
public void print(String str)
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public void print(String str)
|
{
|
{
|
write(str == null ? "null" : str);
|
write(str == null ? "null" : str);
|
}
|
}
|
|
|
/**
|
/**
|
* This method prints a char to the stream. The actual value printed is
|
* This method prints a char to the stream. The actual value printed is
|
* determined by the character encoding in use.
|
* determined by the character encoding in use.
|
*
|
*
|
* @param ch The <code>char</code> value to be printed
|
* @param ch The <code>char</code> value to be printed
|
*/
|
*/
|
public void print(char ch)
|
public void print(char ch)
|
{
|
{
|
write((int) ch);
|
write((int) ch);
|
}
|
}
|
|
|
/**
|
/**
|
* This method prints an array of characters to the stream. The actual
|
* This method prints an array of characters to the stream. The actual
|
* value printed depends on the system default encoding.
|
* value printed depends on the system default encoding.
|
*
|
*
|
* @param charArray The array of characters to print.
|
* @param charArray The array of characters to print.
|
*/
|
*/
|
public void print(char[] charArray)
|
public void print(char[] charArray)
|
{
|
{
|
write(charArray, 0, charArray.length);
|
write(charArray, 0, charArray.length);
|
}
|
}
|
|
|
/**
|
/**
|
* This methods prints a boolean value to the stream. <code>true</code>
|
* This methods prints a boolean value to the stream. <code>true</code>
|
* values are printed as "true" and <code>false</code> values are printed
|
* values are printed as "true" and <code>false</code> values are printed
|
* as "false".
|
* as "false".
|
*
|
*
|
* @param bool The <code>boolean</code> value to print
|
* @param bool The <code>boolean</code> value to print
|
*/
|
*/
|
public void print(boolean bool)
|
public void print(boolean bool)
|
{
|
{
|
// We purposely call write() and not print() here. This preserves
|
// We purposely call write() and not print() here. This preserves
|
// compatibility with JDK 1.2.
|
// compatibility with JDK 1.2.
|
write (bool ? "true" : "false");
|
write (bool ? "true" : "false");
|
}
|
}
|
|
|
/**
|
/**
|
* This method prints an integer to the stream. The value printed is
|
* This method prints an integer to the stream. The value printed is
|
* determined using the <code>String.valueOf()</code> method.
|
* determined using the <code>String.valueOf()</code> method.
|
*
|
*
|
* @param inum The <code>int</code> value to be printed
|
* @param inum The <code>int</code> value to be printed
|
*/
|
*/
|
public void print(int inum)
|
public void print(int inum)
|
{
|
{
|
// We purposely call write() and not print() here. This preserves
|
// We purposely call write() and not print() here. This preserves
|
// compatibility with JDK 1.2.
|
// compatibility with JDK 1.2.
|
write(Integer.toString(inum));
|
write(Integer.toString(inum));
|
}
|
}
|
|
|
/**
|
/**
|
* This method prints a long to the stream. The value printed is
|
* This method prints a long to the stream. The value printed is
|
* determined using the <code>String.valueOf()</code> method.
|
* determined using the <code>String.valueOf()</code> method.
|
*
|
*
|
* @param lnum The <code>long</code> value to be printed
|
* @param lnum The <code>long</code> value to be printed
|
*/
|
*/
|
public void print(long lnum)
|
public void print(long lnum)
|
{
|
{
|
// We purposely call write() and not print() here. This preserves
|
// We purposely call write() and not print() here. This preserves
|
// compatibility with JDK 1.2.
|
// compatibility with JDK 1.2.
|
write(Long.toString(lnum));
|
write(Long.toString(lnum));
|
}
|
}
|
|
|
/**
|
/**
|
* This method prints a float to the stream. The value printed is
|
* This method prints a float to the stream. The value printed is
|
* determined using the <code>String.valueOf()</code> method.
|
* determined using the <code>String.valueOf()</code> method.
|
*
|
*
|
* @param fnum The <code>float</code> value to be printed
|
* @param fnum The <code>float</code> value to be printed
|
*/
|
*/
|
public void print(float fnum)
|
public void print(float fnum)
|
{
|
{
|
// We purposely call write() and not print() here. This preserves
|
// We purposely call write() and not print() here. This preserves
|
// compatibility with JDK 1.2.
|
// compatibility with JDK 1.2.
|
write(Float.toString(fnum));
|
write(Float.toString(fnum));
|
}
|
}
|
|
|
/**
|
/**
|
* This method prints a double to the stream. The value printed is
|
* This method prints a double to the stream. The value printed is
|
* determined using the <code>String.valueOf()</code> method.
|
* determined using the <code>String.valueOf()</code> method.
|
*
|
*
|
* @param dnum The <code>double</code> value to be printed
|
* @param dnum The <code>double</code> value to be printed
|
*/
|
*/
|
public void print(double dnum)
|
public void print(double dnum)
|
{
|
{
|
// We purposely call write() and not print() here. This preserves
|
// We purposely call write() and not print() here. This preserves
|
// compatibility with JDK 1.2.
|
// compatibility with JDK 1.2.
|
write(Double.toString(dnum));
|
write(Double.toString(dnum));
|
}
|
}
|
|
|
/**
|
/**
|
* This method prints an <code>Object</code> to the stream. The actual
|
* This method prints an <code>Object</code> to the stream. The actual
|
* value printed is determined by calling the <code>String.valueOf()</code>
|
* value printed is determined by calling the <code>String.valueOf()</code>
|
* method.
|
* method.
|
*
|
*
|
* @param obj The <code>Object</code> to print.
|
* @param obj The <code>Object</code> to print.
|
*/
|
*/
|
public void print(Object obj)
|
public void print(Object obj)
|
{
|
{
|
// We purposely call write() and not print() here. This preserves
|
// We purposely call write() and not print() here. This preserves
|
// compatibility with JDK 1.2.
|
// compatibility with JDK 1.2.
|
write(obj == null ? "null" : obj.toString());
|
write(obj == null ? "null" : obj.toString());
|
}
|
}
|
|
|
/**
|
/**
|
* This is the system dependent line separator
|
* This is the system dependent line separator
|
*/
|
*/
|
private static final char[] line_separator
|
private static final char[] line_separator
|
= System.getProperty("line.separator", "\n").toCharArray();
|
= System.getProperty("line.separator", "\n").toCharArray();
|
|
|
/**
|
/**
|
* This method prints a line separator sequence to the stream. The value
|
* This method prints a line separator sequence to the stream. The value
|
* printed is determined by the system property <xmp>line.separator</xmp>
|
* printed is determined by the system property <xmp>line.separator</xmp>
|
* and is not necessarily the Unix '\n' newline character.
|
* and is not necessarily the Unix '\n' newline character.
|
*/
|
*/
|
public void println()
|
public void println()
|
{
|
{
|
synchronized (lock)
|
synchronized (lock)
|
{
|
{
|
try
|
try
|
{
|
{
|
write(line_separator, 0, line_separator.length);
|
write(line_separator, 0, line_separator.length);
|
if (autoflush)
|
if (autoflush)
|
out.flush();
|
out.flush();
|
}
|
}
|
catch (IOException ex)
|
catch (IOException ex)
|
{
|
{
|
error = true;
|
error = true;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/**
|
/**
|
* This methods prints a boolean value to the stream. <code>true</code>
|
* This methods prints a boolean value to the stream. <code>true</code>
|
* values are printed as "true" and <code>false</code> values are printed
|
* values are printed as "true" and <code>false</code> values are printed
|
* as "false".
|
* as "false".
|
*
|
*
|
* This method prints a line termination sequence after printing the value.
|
* This method prints a line termination sequence after printing the value.
|
*
|
*
|
* @param bool The <code>boolean</code> value to print
|
* @param bool The <code>boolean</code> value to print
|
*/
|
*/
|
public void println(boolean bool)
|
public void println(boolean bool)
|
{
|
{
|
synchronized (lock)
|
synchronized (lock)
|
{
|
{
|
print(bool);
|
print(bool);
|
println();
|
println();
|
}
|
}
|
}
|
}
|
|
|
/**
|
/**
|
* This method prints an integer to the stream. The value printed is
|
* This method prints an integer to the stream. The value printed is
|
* determined using the <code>String.valueOf()</code> method.
|
* determined using the <code>String.valueOf()</code> method.
|
*
|
*
|
* This method prints a line termination sequence after printing the value.
|
* This method prints a line termination sequence after printing the value.
|
*
|
*
|
* @param inum The <code>int</code> value to be printed
|
* @param inum The <code>int</code> value to be printed
|
*/
|
*/
|
public void println(int inum)
|
public void println(int inum)
|
{
|
{
|
synchronized (lock)
|
synchronized (lock)
|
{
|
{
|
print(inum);
|
print(inum);
|
println();
|
println();
|
}
|
}
|
}
|
}
|
|
|
/**
|
/**
|
* This method prints a long to the stream. The value printed is
|
* This method prints a long to the stream. The value printed is
|
* determined using the <code>String.valueOf()</code> method.
|
* determined using the <code>String.valueOf()</code> method.
|
*
|
*
|
* This method prints a line termination sequence after printing the value.
|
* This method prints a line termination sequence after printing the value.
|
*
|
*
|
* @param lnum The <code>long</code> value to be printed
|
* @param lnum The <code>long</code> value to be printed
|
*/
|
*/
|
public void println(long lnum)
|
public void println(long lnum)
|
{
|
{
|
synchronized (lock)
|
synchronized (lock)
|
{
|
{
|
print(lnum);
|
print(lnum);
|
println();
|
println();
|
}
|
}
|
}
|
}
|
|
|
/**
|
/**
|
* This method prints a float to the stream. The value printed is
|
* This method prints a float to the stream. The value printed is
|
* determined using the <code>String.valueOf()</code> method.
|
* determined using the <code>String.valueOf()</code> method.
|
*
|
*
|
* This method prints a line termination sequence after printing the value.
|
* This method prints a line termination sequence after printing the value.
|
*
|
*
|
* @param fnum The <code>float</code> value to be printed
|
* @param fnum The <code>float</code> value to be printed
|
*/
|
*/
|
public void println(float fnum)
|
public void println(float fnum)
|
{
|
{
|
synchronized (lock)
|
synchronized (lock)
|
{
|
{
|
print(fnum);
|
print(fnum);
|
println();
|
println();
|
}
|
}
|
}
|
}
|
|
|
/**
|
/**
|
* This method prints a double to the stream. The value printed is
|
* This method prints a double to the stream. The value printed is
|
* determined using the <code>String.valueOf()</code> method.
|
* determined using the <code>String.valueOf()</code> method.
|
*
|
*
|
* This method prints a line termination sequence after printing the value.
|
* This method prints a line termination sequence after printing the value.
|
*
|
*
|
* @param dnum The <code>double</code> value to be printed
|
* @param dnum The <code>double</code> value to be printed
|
*/
|
*/
|
public void println(double dnum)
|
public void println(double dnum)
|
{
|
{
|
synchronized (lock)
|
synchronized (lock)
|
{
|
{
|
print(dnum);
|
print(dnum);
|
println();
|
println();
|
}
|
}
|
}
|
}
|
|
|
/**
|
/**
|
* This method prints an <code>Object</code> to the stream. The actual
|
* This method prints an <code>Object</code> to the stream. The actual
|
* value printed is determined by calling the <code>String.valueOf()</code>
|
* value printed is determined by calling the <code>String.valueOf()</code>
|
* method.
|
* method.
|
*
|
*
|
* This method prints a line termination sequence after printing the value.
|
* This method prints a line termination sequence after printing the value.
|
*
|
*
|
* @param obj The <code>Object</code> to print.
|
* @param obj The <code>Object</code> to print.
|
*/
|
*/
|
public void println(Object obj)
|
public void println(Object obj)
|
{
|
{
|
synchronized (lock)
|
synchronized (lock)
|
{
|
{
|
print(obj);
|
print(obj);
|
println();
|
println();
|
}
|
}
|
}
|
}
|
|
|
/**
|
/**
|
* This method prints a <code>String</code> to the stream. The actual
|
* This method prints a <code>String</code> to the stream. The actual
|
* value printed depends on the system default encoding.
|
* value printed depends on the system default encoding.
|
*
|
*
|
* This method prints a line termination sequence after printing the value.
|
* This method prints a line termination sequence after printing the value.
|
*
|
*
|
* @param str The <code>String</code> to print.
|
* @param str The <code>String</code> to print.
|
*/
|
*/
|
public void println(String str)
|
public void println(String str)
|
{
|
{
|
synchronized (lock)
|
synchronized (lock)
|
{
|
{
|
print(str);
|
print(str);
|
println();
|
println();
|
}
|
}
|
}
|
}
|
|
|
/**
|
/**
|
* This method prints a char to the stream. The actual value printed is
|
* This method prints a char to the stream. The actual value printed is
|
* determined by the character encoding in use.
|
* determined by the character encoding in use.
|
*
|
*
|
* This method prints a line termination sequence after printing the value.
|
* This method prints a line termination sequence after printing the value.
|
*
|
*
|
* @param ch The <code>char</code> value to be printed
|
* @param ch The <code>char</code> value to be printed
|
*/
|
*/
|
public void println(char ch)
|
public void println(char ch)
|
{
|
{
|
synchronized (lock)
|
synchronized (lock)
|
{
|
{
|
print(ch);
|
print(ch);
|
println();
|
println();
|
}
|
}
|
}
|
}
|
|
|
/**
|
/**
|
* This method prints an array of characters to the stream. The actual
|
* This method prints an array of characters to the stream. The actual
|
* value printed depends on the system default encoding.
|
* value printed depends on the system default encoding.
|
*
|
*
|
* This method prints a line termination sequence after printing the value.
|
* This method prints a line termination sequence after printing the value.
|
*
|
*
|
* @param charArray The array of characters to print.
|
* @param charArray The array of characters to print.
|
*/
|
*/
|
public void println(char[] charArray)
|
public void println(char[] charArray)
|
{
|
{
|
synchronized (lock)
|
synchronized (lock)
|
{
|
{
|
print(charArray);
|
print(charArray);
|
println();
|
println();
|
}
|
}
|
}
|
}
|
|
|
/**
|
/**
|
* This method writes a single char to the stream.
|
* This method writes a single char to the stream.
|
*
|
*
|
* @param ch The char to be written, passed as a int
|
* @param ch The char to be written, passed as a int
|
*/
|
*/
|
public void write(int ch)
|
public void write(int ch)
|
{
|
{
|
try
|
try
|
{
|
{
|
out.write(ch);
|
out.write(ch);
|
}
|
}
|
catch (IOException ex)
|
catch (IOException ex)
|
{
|
{
|
error = true;
|
error = true;
|
}
|
}
|
}
|
}
|
|
|
/**
|
/**
|
* This method writes <code>count</code> chars from the specified array
|
* This method writes <code>count</code> chars from the specified array
|
* starting at index <code>offset</code> into the array.
|
* starting at index <code>offset</code> into the array.
|
*
|
*
|
* @param charArray The array of chars to write
|
* @param charArray The array of chars to write
|
* @param offset The index into the array to start writing from
|
* @param offset The index into the array to start writing from
|
* @param count The number of chars to write
|
* @param count The number of chars to write
|
*/
|
*/
|
public void write(char[] charArray, int offset, int count)
|
public void write(char[] charArray, int offset, int count)
|
{
|
{
|
try
|
try
|
{
|
{
|
out.write(charArray, offset, count);
|
out.write(charArray, offset, count);
|
}
|
}
|
catch (IOException ex)
|
catch (IOException ex)
|
{
|
{
|
error = true;
|
error = true;
|
}
|
}
|
}
|
}
|
|
|
/**
|
/**
|
* This method writes <code>count</code> chars from the specified
|
* This method writes <code>count</code> chars from the specified
|
* <code>String</code> to the output starting at character position
|
* <code>String</code> to the output starting at character position
|
* <code>offset</code> into the <code>String</code>
|
* <code>offset</code> into the <code>String</code>
|
*
|
*
|
* @param str The <code>String</code> to write chars from
|
* @param str The <code>String</code> to write chars from
|
* @param offset The offset into the <code>String</code> to start writing from
|
* @param offset The offset into the <code>String</code> to start writing from
|
* @param count The number of chars to write.
|
* @param count The number of chars to write.
|
*/
|
*/
|
public void write(String str, int offset, int count)
|
public void write(String str, int offset, int count)
|
{
|
{
|
try
|
try
|
{
|
{
|
out.write(str, offset, count);
|
out.write(str, offset, count);
|
}
|
}
|
catch (IOException ex)
|
catch (IOException ex)
|
{
|
{
|
error = true;
|
error = true;
|
}
|
}
|
}
|
}
|
|
|
/**
|
/**
|
* This method write all the chars in the specified array to the output.
|
* This method write all the chars in the specified array to the output.
|
*
|
*
|
* @param charArray The array of characters to write
|
* @param charArray The array of characters to write
|
*/
|
*/
|
public void write(char[] charArray)
|
public void write(char[] charArray)
|
{
|
{
|
write(charArray, 0, charArray.length);
|
write(charArray, 0, charArray.length);
|
}
|
}
|
|
|
/**
|
/**
|
* This method writes the contents of the specified <code>String</code>
|
* This method writes the contents of the specified <code>String</code>
|
* to the underlying stream.
|
* to the underlying stream.
|
*
|
*
|
* @param str The <code>String</code> to write
|
* @param str The <code>String</code> to write
|
*/
|
*/
|
public void write(String str)
|
public void write(String str)
|
{
|
{
|
write(str, 0, str.length());
|
write(str, 0, str.length());
|
}
|
}
|
|
|
/** @since 1.5 */
|
/** @since 1.5 */
|
public PrintWriter append(char c)
|
public PrintWriter append(char c)
|
{
|
{
|
write(c);
|
write(c);
|
return this;
|
return this;
|
}
|
}
|
|
|
/** @since 1.5 */
|
/** @since 1.5 */
|
public PrintWriter append(CharSequence cs)
|
public PrintWriter append(CharSequence cs)
|
{
|
{
|
write(cs == null ? "null" : cs.toString());
|
write(cs == null ? "null" : cs.toString());
|
return this;
|
return this;
|
}
|
}
|
|
|
/** @since 1.5 */
|
/** @since 1.5 */
|
public PrintWriter append(CharSequence cs, int start, int end)
|
public PrintWriter append(CharSequence cs, int start, int end)
|
{
|
{
|
write(cs == null ? "null" : cs.subSequence(start, end).toString());
|
write(cs == null ? "null" : cs.subSequence(start, end).toString());
|
return this;
|
return this;
|
}
|
}
|
|
|
/** @since 1.5 */
|
/** @since 1.5 */
|
public PrintWriter printf(String format, Object... args)
|
public PrintWriter printf(String format, Object... args)
|
{
|
{
|
return format(format, args);
|
return format(format, args);
|
}
|
}
|
|
|
/** @since 1.5 */
|
/** @since 1.5 */
|
public PrintWriter printf(Locale locale, String format, Object... args)
|
public PrintWriter printf(Locale locale, String format, Object... args)
|
{
|
{
|
return format(locale, format, args);
|
return format(locale, format, args);
|
}
|
}
|
|
|
/** @since 1.5 */
|
/** @since 1.5 */
|
public PrintWriter format(String format, Object... args)
|
public PrintWriter format(String format, Object... args)
|
{
|
{
|
return format(Locale.getDefault(), format, args);
|
return format(Locale.getDefault(), format, args);
|
}
|
}
|
|
|
/** @since 1.5 */
|
/** @since 1.5 */
|
public PrintWriter format(Locale locale, String format, Object... args)
|
public PrintWriter format(Locale locale, String format, Object... args)
|
{
|
{
|
Formatter f = new Formatter(this, locale);
|
Formatter f = new Formatter(this, locale);
|
f.format(format, args);
|
f.format(format, args);
|
return this;
|
return this;
|
}
|
}
|
}
|
}
|
|
|
