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jlechner |
/* TextConsumer.java --
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Copyright (C) 1999,2000,2001 Free Software Foundation, Inc.
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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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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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any later version.
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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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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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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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02110-1301 USA.
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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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conditions of the GNU General Public License cover the whole
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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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permission to link this library with independent modules to produce an
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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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terms of your choice, provided that you also meet, for each linked
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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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or based on this library. If you modify this library, you may extend
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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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exception statement from your version. */
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package gnu.xml.pipeline;
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import java.io.*;
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import org.xml.sax.*;
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import gnu.xml.util.XMLWriter;
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/**
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* Terminates a pipeline, consuming events to print them as well formed
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* XML (or XHTML) text.
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*
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* <p> Input must be well formed, and must include XML names (e.g. the
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* prefixes and prefix declarations must be present), or the output of
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* this class is undefined.
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*
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* @see NSFilter
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* @see WellFormednessFilter
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*
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* @author David Brownell
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*/
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public class TextConsumer extends XMLWriter implements EventConsumer
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{
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/**
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* Constructs an event consumer which echoes its input as text,
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* optionally adhering to some basic XHTML formatting options
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* which increase interoperability with old (v3) browsers.
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*
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* <p> For the best interoperability, when writing as XHTML only
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* ASCII characters are emitted; other characters are turned to
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* entity or character references as needed, and no XML declaration
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* is provided in the document.
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*/
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public TextConsumer (Writer w, boolean isXhtml)
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throws IOException
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{
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super (w, isXhtml ? "US-ASCII" : null);
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setXhtml (isXhtml);
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}
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/**
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* Constructs a consumer that writes its input as XML text.
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* XHTML rules are not followed.
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*/
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public TextConsumer (Writer w)
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throws IOException
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{
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this (w, false);
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}
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/**
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* Constructs a consumer that writes its input as XML text,
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* encoded in UTF-8. XHTML rules are not followed.
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*/
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public TextConsumer (OutputStream out)
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throws IOException
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{
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this (new OutputStreamWriter (out, "UTF8"), false);
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}
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/** <b>EventConsumer</b> Returns the document handler being used. */
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public ContentHandler getContentHandler ()
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{ return this; }
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/** <b>EventConsumer</b> Returns the dtd handler being used. */
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public DTDHandler getDTDHandler ()
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{ return this; }
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/** <b>XMLReader</b>Retrieves a property (lexical and decl handlers) */
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public Object getProperty (String propertyId)
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throws SAXNotRecognizedException
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{
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if (EventFilter.LEXICAL_HANDLER.equals (propertyId))
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return this;
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if (EventFilter.DECL_HANDLER.equals (propertyId))
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return this;
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throw new SAXNotRecognizedException (propertyId);
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}
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}
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