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/*
* $Id: TextConsumer.java,v 1.1.1.1 2003-02-01 02:10:20 cbj Exp $
* Copyright (C) 1999-2001 David Brownell
*
* This file is part of GNU JAXP, a library.
*
* GNU JAXP 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 of the License, or
* (at your option) any later version.
*
* GNU JAXP 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* As a special exception, if you link this library with other files to
* produce an executable, this library does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* This exception does not however invalidate any other reasons why the
* executable file might be covered by the GNU General Public License.
*/
package gnu.xml.pipeline;
import java.io.*;
import org.xml.sax.*;
import gnu.xml.util.XMLWriter;
/**
* Terminates a pipeline, consuming events to print them as well formed
* XML (or XHTML) text.
*
* <p> Input must be well formed, and must include XML names (e.g. the
* prefixes and prefix declarations must be present), or the output of
* this class is undefined.
*
* @see NSFilter
* @see WellFormednessFilter
*
* @author David Brownell
* @version $Date: 2003-02-01 02:10:20 $
*/
public class TextConsumer extends XMLWriter implements EventConsumer
{
/**
* Constructs an event consumer which echoes its input as text,
* optionally adhering to some basic XHTML formatting options
* which increase interoperability with old (v3) browsers.
*
* <p> For the best interoperability, when writing as XHTML only
* ASCII characters are emitted; other characters are turned to
* entity or character references as needed, and no XML declaration
* is provided in the document.
*/
public TextConsumer (Writer w, boolean isXhtml)
throws IOException
{
super (w, isXhtml ? "US-ASCII" : null);
setXhtml (isXhtml);
}
/**
* Constructs a consumer that writes its input as XML text.
* XHTML rules are not followed.
*/
public TextConsumer (Writer w)
throws IOException
{
this (w, false);
}
/**
* Constructs a consumer that writes its input as XML text,
* encoded in UTF-8. XHTML rules are not followed.
*/
public TextConsumer (OutputStream out)
throws IOException
{
this (new OutputStreamWriter (out, "UTF8"), false);
}
/** <b>EventConsumer</b> Returns the document handler being used. */
public ContentHandler getContentHandler ()
{ return this; }
/** <b>EventConsumer</b> Returns the dtd handler being used. */
public DTDHandler getDTDHandler ()
{ return this; }
/** <b>XMLReader</b>Retrieves a property (lexical and decl handlers) */
public Object getProperty (String propertyId)
throws SAXNotRecognizedException
{
if (EventFilter.LEXICAL_HANDLER.equals (propertyId))
return this;
if (EventFilter.DECL_HANDLER.equals (propertyId))
return this;
throw new SAXNotRecognizedException (propertyId);
}
}
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