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

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Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libjava/] [classpath/] [java/] [io/] [PrintWriter.java] - Blame information for rev 791

Line No.	Rev	Author	Line
1	771	jeremybenn	`/* PrintWriter.java -- prints primitive values and objects to a stream as text`
2			`Copyright (C) 1998, 1999, 2000, 2001, 2005 Free Software Foundation`
3
4			`This file is part of GNU Classpath.`
5
6			`GNU Classpath is free software; you can redistribute it and/or modify`
7			`it under the terms of the GNU General Public License as published by`
8			`the Free Software Foundation; either version 2, or (at your option)`
9			`any later version.`
10
11			`GNU Classpath is distributed in the hope that it will be useful, but`
12			`WITHOUT ANY WARRANTY; without even the implied warranty of`
13			`MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU`
14			`General Public License for more details.`
15
16			`You should have received a copy of the GNU General Public License`
17			`along with GNU Classpath; see the file COPYING. If not, write to the`
18			`Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA`
19			`02110-1301 USA.`
20
21			`Linking this library statically or dynamically with other modules is`
22			`making a combined work based on this library. Thus, the terms and`
23			`conditions of the GNU General Public License cover the whole`
24			`combination.`
25
26			`As a special exception, the copyright holders of this library give you`
27			`permission to link this library with independent modules to produce an`
28			`executable, regardless of the license terms of these independent`
29			`modules, and to copy and distribute the resulting executable under`
30			`terms of your choice, provided that you also meet, for each linked`
31			`independent module, the terms and conditions of the license of that`
32			`module. An independent module is a module which is not derived from`
33			`or based on this library. If you modify this library, you may extend`
34			`this exception to your version of the library, but you are not`
35			`obligated to do so. If you do not wish to do so, delete this`
36			`exception statement from your version. */`
37
38			`package java.io;`
39
40			`import java.util.Locale;`
41			`import java.util.Formatter;`
42
43			`/* Written using "Java Class Libraries", 2nd edition, plus online`
44			`* API docs for JDK 1.2 beta from http://www.javasoft.com.`
45			`* Status: Believed complete and correct.`
46			`* However, should use native methods for conversion.`
47			`*/`
48
49			`/**`
50			`* This class prints Java primitive values and objects to a stream as`
51			`* text. None of the methods in this class throw an exception. However,`
52			`* errors can be detected by calling the <code>checkError()</code> method.`
53			`* Additionally, this stream can be designated as "autoflush" when`
54			`* created so that any writes are automatically flushed to the underlying`
55			`* output sink whenever one of the <code>println</code> methods is`
56			`* called. (Note that this differs from the <code>PrintStream</code>`
57			`* class which also auto-flushes when it encounters a newline character`
58			`* in the chars written).`
59			`*`
60			`* @author Per Bothner (bothner@cygnus.com)`
61			`* @author Aaron M. Renn (arenn@urbanophile.com)`
62			`* @date April 17, 1998.`
63			`*/`
64			`public class PrintWriter extends Writer`
65			`{`
66			`/**`
67			`* <code>true</code> if auto-flush is enabled, <code>false</code> otherwise`
68			`*/`
69			`private boolean autoflush;`
70
71			`/**`
72			`* This boolean indicates whether or not an error has ever occurred`
73			`* on this stream.`
74			`*/`
75			`private boolean error;`
76
77			`/**`
78			`* Indicates whether or not the stream has been closed.`
79			`*/`
80			`private boolean closed;`
81
82			`/**`
83			`* This is the underlying <code>Writer</code> we are sending output`
84			`* to`
85			`*/`
86			`protected Writer out;`
87
88			`/**`
89			`* This method intializes a new <code>PrintWriter</code> object to write`
90			`* to the specified output sink. The form of the constructor does not`
91			`* enable auto-flush functionality.`
92			`*`
93			`* @param wr The <code>Writer</code> to write to.`
94			`*/`
95			`public PrintWriter(Writer wr)`
96			`{`
97			`super(wr.lock);`
98			`this.out = wr;`
99			`}`
100
101			`/**`
102			`* This method intializes a new <code>PrintWriter</code> object to write`
103			`* to the specified output sink. This constructor also allows "auto-flush"`
104			`* functionality to be specified where the stream will be flushed after`
105			`* every line is terminated or newline character is written.`
106			`*`
107			`* @param wr The <code>Writer</code> to write to.`
108			`* @param autoflush <code>true</code> to flush the stream after every`
109			`* line, <code>false</code> otherwise`
110			`*/`
111			`public PrintWriter(Writer wr, boolean autoflush)`
112			`{`
113			`super(wr.lock);`
114			`this.out = wr;`
115			`this.autoflush = autoflush;`
116			`}`
117
118			`/**`
119			`* This method initializes a new <code>PrintWriter</code> object to write`
120			`* to the specified <code>OutputStream</code>. Characters will be converted`
121			`* to chars using the system default encoding. Auto-flush functionality`
122			`* will not be enabled.`
123			`*`
124			`* @param out The <code>OutputStream</code> to write to`
125			`*/`
126			`public PrintWriter(OutputStream out)`
127			`{`
128			`super();`
129			`this.out = new OutputStreamWriter(out);`
130			`this.lock = this.out;`
131			`}`
132
133			`/**`
134			`* This method initializes a new <code>PrintWriter</code> object to write`
135			`* to the specified <code>OutputStream</code>. Characters will be converted`
136			`* to chars using the system default encoding. This form of the`
137			`* constructor allows auto-flush functionality to be enabled if desired`
138			`*`
139			`* @param out The <code>OutputStream</code> to write to`
140			`* @param autoflush <code>true</code> to flush the stream after every`
141			`* <code>println</code> call, <code>false</code> otherwise.`
142			`*/`
143			`public PrintWriter(OutputStream out, boolean autoflush)`
144			`{`
145			`this(out);`
146			`this.autoflush = autoflush;`
147			`}`
148
149			`/**`
150			`* This initializes a new PrintWriter object to write to the specified`
151			`* file. It creates a FileOutputStream object and wraps it in an`
152			`* OutputStreamWriter using the default encoding.`
153			`* @param file name of the file to write to`
154			`* @throws FileNotFoundException if the file cannot be written or created`
155			`*`
156			`* @since 1.5`
157			`*/`
158			`public PrintWriter(String file) throws FileNotFoundException`
159			`{`
160			`this(new FileOutputStream(file));`
161			`}`
162
163			`/**`
164			`* This initializes a new PrintWriter object to write to the specified`
165			`* file. It creates a FileOutputStream object and wraps it in an`
166			`* OutputStreamWriter using the specified encoding.`
167			`* @param file name of the file to write to`
168			`* @param enc the encoding to use`
169			`* @throws FileNotFoundException if the file cannot be written or created`
170			`* @throws UnsupportedEncodingException if the encoding is not supported`
171			`*`
172			`* @since 1.5`
173			`*/`
174			`public PrintWriter(String file, String enc)`
175			`throws FileNotFoundException, UnsupportedEncodingException`
176			`{`
177			`this(new OutputStreamWriter(new FileOutputStream(file), enc));`
178			`}`
179
180			`/**`
181			`* This initializes a new PrintWriter object to write to the specified`
182			`* file. It creates a FileOutputStream object and wraps it in an`
183			`* OutputStreamWriter using the default encoding.`
184			`* @param file the file to write to`
185			`* @throws FileNotFoundException if the file cannot be written or created`
186			`*`
187			`* @since 1.5`
188			`*/`
189			`public PrintWriter(File file) throws FileNotFoundException`
190			`{`
191			`this(new FileOutputStream(file));`
192			`}`
193
194			`/**`
195			`* This initializes a new PrintWriter object to write to the specified`
196			`* file. It creates a FileOutputStream object and wraps it in an`
197			`* OutputStreamWriter using the specified encoding.`
198			`* @param file the file to write to`
199			`* @param enc the encoding to use`
200			`* @throws FileNotFoundException if the file cannot be written or created`
201			`* @throws UnsupportedEncodingException if the encoding is not supported`
202			`*`
203			`* @since 1.5`
204			`*/`
205			`public PrintWriter(File file, String enc)`
206			`throws FileNotFoundException, UnsupportedEncodingException`
207			`{`
208			`this(new OutputStreamWriter(new FileOutputStream(file), enc));`
209			`}`
210
211			`/**`
212			`* This method can be called by subclasses to indicate that an error`
213			`* has occurred and should be reported by <code>checkError</code>.`
214			`*/`
215			`protected void setError()`
216			`{`
217			`error = true;`
218			`}`
219
220			`/**`
221			`* This method checks to see if an error has occurred on this stream. Note`
222			`* that once an error has occurred, this method will continue to report`
223			`* <code>true</code> forever for this stream. Before checking for an`
224			`* error condition, this method flushes the stream.`
225			`*`
226			`* @return <code>true</code> if an error has occurred,`
227			`* <code>false</code> otherwise`
228			`*/`
229			`public boolean checkError()`
230			`{`
231			`if (! closed)`
232			`flush();`
233			`return error;`
234			`}`
235
236			`/**`
237			`* This method flushes any buffered chars to the underlying stream and`
238			`* then flushes that stream as well.`
239			`*/`
240			`public void flush()`
241			`{`
242			`try`
243			`{`
244			`out.flush();`
245			`}`
246			`catch (IOException ex)`
247			`{`
248			`error = true;`
249			`}`
250			`}`
251
252			`/**`
253			`* This method closes this stream and all underlying streams.`
254			`*/`
255			`public void close()`
256			`{`
257			`try`
258			`{`
259			`out.close();`
260			`closed = true;`
261			`}`
262			`catch (IOException ex)`
263			`{`
264			`error = true;`
265			`}`
266			`}`
267
268			`/**`
269			`* This method prints a <code>String</code> to the stream. The actual`
270			`* value printed depends on the system default encoding.`
271			`*`
272			`* @param str The <code>String</code> to print.`
273			`*/`
274			`public void print(String str)`
275			`{`
276			`write(str == null ? "null" : str);`
277			`}`
278
279			`/**`
280			`* This method prints a char to the stream. The actual value printed is`
281			`* determined by the character encoding in use.`
282			`*`
283			`* @param ch The <code>char</code> value to be printed`
284			`*/`
285			`public void print(char ch)`
286			`{`
287			`write((int) ch);`
288			`}`
289
290			`/**`
291			`* This method prints an array of characters to the stream. The actual`
292			`* value printed depends on the system default encoding.`
293			`*`
294			`* @param charArray The array of characters to print.`
295			`*/`
296			`public void print(char[] charArray)`
297			`{`
298			`write(charArray, 0, charArray.length);`
299			`}`
300
301			`/**`
302			`* This methods prints a boolean value to the stream. <code>true</code>`
303			`* values are printed as "true" and <code>false</code> values are printed`
304			`* as "false".`
305			`*`
306			`* @param bool The <code>boolean</code> value to print`
307			`*/`
308			`public void print(boolean bool)`
309			`{`
310			`// We purposely call write() and not print() here. This preserves`
311			`// compatibility with JDK 1.2.`
312			`write (bool ? "true" : "false");`
313			`}`
314
315			`/**`
316			`* This method prints an integer to the stream. The value printed is`
317			`* determined using the <code>String.valueOf()</code> method.`
318			`*`
319			`* @param inum The <code>int</code> value to be printed`
320			`*/`
321			`public void print(int inum)`
322			`{`
323			`// We purposely call write() and not print() here. This preserves`
324			`// compatibility with JDK 1.2.`
325			`write(Integer.toString(inum));`
326			`}`
327
328			`/**`
329			`* This method prints a long to the stream. The value printed is`
330			`* determined using the <code>String.valueOf()</code> method.`
331			`*`
332			`* @param lnum The <code>long</code> value to be printed`
333			`*/`
334			`public void print(long lnum)`
335			`{`
336			`// We purposely call write() and not print() here. This preserves`
337			`// compatibility with JDK 1.2.`
338			`write(Long.toString(lnum));`
339			`}`
340
341			`/**`
342			`* This method prints a float to the stream. The value printed is`
343			`* determined using the <code>String.valueOf()</code> method.`
344			`*`
345			`* @param fnum The <code>float</code> value to be printed`
346			`*/`
347			`public void print(float fnum)`
348			`{`
349			`// We purposely call write() and not print() here. This preserves`
350			`// compatibility with JDK 1.2.`
351			`write(Float.toString(fnum));`
352			`}`
353
354			`/**`
355			`* This method prints a double to the stream. The value printed is`
356			`* determined using the <code>String.valueOf()</code> method.`
357			`*`
358			`* @param dnum The <code>double</code> value to be printed`
359			`*/`
360			`public void print(double dnum)`
361			`{`
362			`// We purposely call write() and not print() here. This preserves`
363			`// compatibility with JDK 1.2.`
364			`write(Double.toString(dnum));`
365			`}`
366
367			`/**`
368			`* This method prints an <code>Object</code> to the stream. The actual`
369			`* value printed is determined by calling the <code>String.valueOf()</code>`
370			`* method.`
371			`*`
372			`* @param obj The <code>Object</code> to print.`
373			`*/`
374			`public void print(Object obj)`
375			`{`
376			`// We purposely call write() and not print() here. This preserves`
377			`// compatibility with JDK 1.2.`
378			`write(obj == null ? "null" : obj.toString());`
379			`}`
380
381			`/**`
382			`* This is the system dependent line separator`
383			`*/`
384			`private static final char[] line_separator`
385			`= System.getProperty("line.separator", "\n").toCharArray();`
386
387			`/**`
388			`* This method prints a line separator sequence to the stream. The value`
389			`* printed is determined by the system property <xmp>line.separator</xmp>`
390			`* and is not necessarily the Unix '\n' newline character.`
391			`*/`
392			`public void println()`
393			`{`
394			`synchronized (lock)`
395			`{`
396			`try`
397			`{`
398			`write(line_separator, 0, line_separator.length);`
399			`if (autoflush)`
400			`out.flush();`
401			`}`
402			`catch (IOException ex)`
403			`{`
404			`error = true;`
405			`}`
406			`}`
407			`}`
408
409			`/**`
410			`* This methods prints a boolean value to the stream. <code>true</code>`
411			`* values are printed as "true" and <code>false</code> values are printed`
412			`* as "false".`
413			`*`
414			`* This method prints a line termination sequence after printing the value.`
415			`*`
416			`* @param bool The <code>boolean</code> value to print`
417			`*/`
418			`public void println(boolean bool)`
419			`{`
420			`synchronized (lock)`
421			`{`
422			`print(bool);`
423			`println();`
424			`}`
425			`}`
426
427			`/**`
428			`* This method prints an integer to the stream. The value printed is`
429			`* determined using the <code>String.valueOf()</code> method.`
430			`*`
431			`* This method prints a line termination sequence after printing the value.`
432			`*`
433			`* @param inum The <code>int</code> value to be printed`
434			`*/`
435			`public void println(int inum)`
436			`{`
437			`synchronized (lock)`
438			`{`
439			`print(inum);`
440			`println();`
441			`}`
442			`}`
443
444			`/**`
445			`* This method prints a long to the stream. The value printed is`
446			`* determined using the <code>String.valueOf()</code> method.`
447			`*`
448			`* This method prints a line termination sequence after printing the value.`
449			`*`
450			`* @param lnum The <code>long</code> value to be printed`
451			`*/`
452			`public void println(long lnum)`
453			`{`
454			`synchronized (lock)`
455			`{`
456			`print(lnum);`
457			`println();`
458			`}`
459			`}`
460
461			`/**`
462			`* This method prints a float to the stream. The value printed is`
463			`* determined using the <code>String.valueOf()</code> method.`
464			`*`
465			`* This method prints a line termination sequence after printing the value.`
466			`*`
467			`* @param fnum The <code>float</code> value to be printed`
468			`*/`
469			`public void println(float fnum)`
470			`{`
471			`synchronized (lock)`
472			`{`
473			`print(fnum);`
474			`println();`
475			`}`
476			`}`
477
478			`/**`
479			`* This method prints a double to the stream. The value printed is`
480			`* determined using the <code>String.valueOf()</code> method.`
481			`*`
482			`* This method prints a line termination sequence after printing the value.`
483			`*`
484			`* @param dnum The <code>double</code> value to be printed`
485			`*/`
486			`public void println(double dnum)`
487			`{`
488			`synchronized (lock)`
489			`{`
490			`print(dnum);`
491			`println();`
492			`}`
493			`}`
494
495			`/**`
496			`* This method prints an <code>Object</code> to the stream. The actual`
497			`* value printed is determined by calling the <code>String.valueOf()</code>`
498			`* method.`
499			`*`
500			`* This method prints a line termination sequence after printing the value.`
501			`*`
502			`* @param obj The <code>Object</code> to print.`
503			`*/`
504			`public void println(Object obj)`
505			`{`
506			`synchronized (lock)`
507			`{`
508			`print(obj);`
509			`println();`
510			`}`
511			`}`
512
513			`/**`
514			`* This method prints a <code>String</code> to the stream. The actual`
515			`* value printed depends on the system default encoding.`
516			`*`
517			`* This method prints a line termination sequence after printing the value.`
518			`*`
519			`* @param str The <code>String</code> to print.`
520			`*/`
521			`public void println(String str)`
522			`{`
523			`synchronized (lock)`
524			`{`
525			`print(str);`
526			`println();`
527			`}`
528			`}`
529
530			`/**`
531			`* This method prints a char to the stream. The actual value printed is`
532			`* determined by the character encoding in use.`
533			`*`
534			`* This method prints a line termination sequence after printing the value.`
535			`*`
536			`* @param ch The <code>char</code> value to be printed`
537			`*/`
538			`public void println(char ch)`
539			`{`
540			`synchronized (lock)`
541			`{`
542			`print(ch);`
543			`println();`
544			`}`
545			`}`
546
547			`/**`
548			`* This method prints an array of characters to the stream. The actual`
549			`* value printed depends on the system default encoding.`
550			`*`
551			`* This method prints a line termination sequence after printing the value.`
552			`*`
553			`* @param charArray The array of characters to print.`
554			`*/`
555			`public void println(char[] charArray)`
556			`{`
557			`synchronized (lock)`
558			`{`
559			`print(charArray);`
560			`println();`
561			`}`
562			`}`
563
564			`/**`
565			`* This method writes a single char to the stream.`
566			`*`
567			`* @param ch The char to be written, passed as a int`
568			`*/`
569			`public void write(int ch)`
570			`{`
571			`try`
572			`{`
573			`out.write(ch);`
574			`}`
575			`catch (IOException ex)`
576			`{`
577			`error = true;`
578			`}`
579			`}`
580
581			`/**`
582			`* This method writes <code>count</code> chars from the specified array`
583			`* starting at index <code>offset</code> into the array.`
584			`*`
585			`* @param charArray The array of chars to write`
586			`* @param offset The index into the array to start writing from`
587			`* @param count The number of chars to write`
588			`*/`
589			`public void write(char[] charArray, int offset, int count)`
590			`{`
591			`try`
592			`{`
593			`out.write(charArray, offset, count);`
594			`}`
595			`catch (IOException ex)`
596			`{`
597			`error = true;`
598			`}`
599			`}`
600
601			`/**`
602			`* This method writes <code>count</code> chars from the specified`
603			`* <code>String</code> to the output starting at character position`
604			`* <code>offset</code> into the <code>String</code>`
605			`*`
606			`* @param str The <code>String</code> to write chars from`
607			`* @param offset The offset into the <code>String</code> to start writing from`
608			`* @param count The number of chars to write.`
609			`*/`
610			`public void write(String str, int offset, int count)`
611			`{`
612			`try`
613			`{`
614			`out.write(str, offset, count);`
615			`}`
616			`catch (IOException ex)`
617			`{`
618			`error = true;`
619			`}`
620			`}`
621
622			`/**`
623			`* This method write all the chars in the specified array to the output.`
624			`*`
625			`* @param charArray The array of characters to write`
626			`*/`
627			`public void write(char[] charArray)`
628			`{`
629			`write(charArray, 0, charArray.length);`
630			`}`
631
632			`/**`
633			`* This method writes the contents of the specified <code>String</code>`
634			`* to the underlying stream.`
635			`*`
636			`* @param str The <code>String</code> to write`
637			`*/`
638			`public void write(String str)`
639			`{`
640			`write(str, 0, str.length());`
641			`}`
642
643			`/** @since 1.5 */`
644			`public PrintWriter append(char c)`
645			`{`
646			`write(c);`
647			`return this;`
648			`}`
649
650			`/** @since 1.5 */`
651			`public PrintWriter append(CharSequence cs)`
652			`{`
653			`write(cs == null ? "null" : cs.toString());`
654			`return this;`
655			`}`
656
657			`/** @since 1.5 */`
658			`public PrintWriter append(CharSequence cs, int start, int end)`
659			`{`
660			`write(cs == null ? "null" : cs.subSequence(start, end).toString());`
661			`return this;`
662			`}`
663
664			`/** @since 1.5 */`
665			`public PrintWriter printf(String format, Object... args)`
666			`{`
667			`return format(format, args);`
668			`}`
669
670			`/** @since 1.5 */`
671			`public PrintWriter printf(Locale locale, String format, Object... args)`
672			`{`
673			`return format(locale, format, args);`
674			`}`
675
676			`/** @since 1.5 */`
677			`public PrintWriter format(String format, Object... args)`
678			`{`
679			`return format(Locale.getDefault(), format, args);`
680			`}`
681
682			`/** @since 1.5 */`
683			`public PrintWriter format(Locale locale, String format, Object... args)`
684			`{`
685			`Formatter f = new Formatter(this, locale);`
686			`f.format(format, args);`
687			`return this;`
688			`}`
689			`}`