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/*
* Copyright (c) 2001-2007 Sun Microsystems, Inc. All rights reserved.
*
* The Sun Project JXTA(TM) Software License
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by Sun Microsystems, Inc. for JXTA(TM) technology."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
* not be used to endorse or promote products derived from this software
* without prior written permission. For written permission, please contact
* Project JXTA at http://www.jxta.org.
*
* 5. Products derived from this software may not be called "JXTA", nor may
* "JXTA" appear in their name, without prior written permission of Sun.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SUN
* MICROSYSTEMS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* JXTA is a registered trademark of Sun Microsystems, Inc. in the United
* States and other countries.
*
* Please see the license information page at :
* for instructions on use of
* the license in source files.
*
* ====================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of Project JXTA. For more information on Project JXTA, please see
* http://www.jxta.org.
*
* This license is based on the BSD license adopted by the Apache Foundation.
*/
package net.jxta.impl.document;
import java.io.BufferedWriter;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.StringReader;
import java.io.StringWriter;
import java.io.Writer;
import java.io.IOException;
import java.security.ProviderException;
import net.jxta.document.MimeMediaType;
import net.jxta.document.StructuredDocument;
import net.jxta.document.StructuredDocumentFactory;
import net.jxta.document.StructuredTextDocument;
import net.jxta.document.TextElement;
import net.jxta.document.TextDocument;
/**
* This class is an implementation of the StructuredDocument interface using
* simple text
*/
public class PlainTextDocument extends PlainTextElement implements StructuredTextDocument {
private final static class Instantiator implements StructuredDocumentFactory.TextInstantiator {
/**
* The MIME Media Types which this StructuredDocument is
* capable of emitting.
*/
private static final MimeMediaType[] myTypes = {
MimeMediaType.TEXT_DEFAULTENCODING
};
// these are the file extensions which are likely to contain files of
// the type i like.
private static final ExtensionMapping[] myExtensions = {
new ExtensionMapping("txt", myTypes[0]), new ExtensionMapping("text", myTypes[0]), new ExtensionMapping("txt", null) };
/**
* Creates new PlainTextDocument
*/
public Instantiator() {}
/**
* {@inheritDoc}
*/
public MimeMediaType[] getSupportedMimeTypes() {
return (myTypes);
}
/**
* {@inheritDoc}
*/
public ExtensionMapping[] getSupportedFileExtensions() {
return (myExtensions);
}
/**
* {@inheritDoc}
*/
public StructuredDocument newInstance(MimeMediaType mimeType, String doctype) {
return new PlainTextDocument(mimeType, doctype);
}
/**
* {@inheritDoc}
*/
public StructuredDocument newInstance(MimeMediaType mimeType, String doctype, String value) {
return new PlainTextDocument(mimeType, doctype, value);
}
/**
* {@inheritDoc}
*/
public StructuredDocument newInstance(MimeMediaType mimeType, InputStream source) throws IOException {
throw new ProviderException("PlainTextDocument does not support input");
}
/**
* {@inheritDoc}
*/
public StructuredDocument newInstance(MimeMediaType mimeType, Reader source) throws IOException {
throw new ProviderException("PlainTextDocument does not support input");
}
}
public static final StructuredDocumentFactory.TextInstantiator INSTANTIATOR = new Instantiator();
private MimeMediaType mimeType = null;
/**
* Creates new PlainTextDocument
*/
public PlainTextDocument(final MimeMediaType mimeType, String type) {
super(null, type);
doc = this;
parent = this;
this.mimeType = mimeType;
}
/**
* Creates new PlainTextDocument with a value for the root element
*/
public PlainTextDocument(final MimeMediaType mimeType, final String type, final String value) {
super(null, type, value);
doc = this;
parent = this;
this.mimeType = mimeType;
}
/**
* {@inheritDoc}
*/
@Override
public String toString() {
StringWriter stringOut = new StringWriter();
try {
printNice(stringOut, 0, true);
stringOut.close();
} catch (IOException caught) {
return null;
}
return stringOut.toString();
}
/**
* get Type
*/
public MimeMediaType getMimeType() {
return mimeType;
}
/**
* {@inheritDoc}
*/
public String getFileExtension() {
return TextDocumentCommon.Utils.getExtensionForMime(INSTANTIATOR.getSupportedFileExtensions(), getMimeType());
}
/**
* {@inheritDoc}
*/
public PlainTextElement createElement(Object key) {
return createElement(key, null);
}
/**
* {@inheritDoc}
*/
public PlainTextElement createElement(Object key, Object val) {
if (!String.class.isAssignableFrom(key.getClass())) {
throw new ClassCastException(key.getClass().getName() + " not supported by createElement.");
}
if ((null != val) && !String.class.isAssignableFrom(val.getClass())) {
throw new ClassCastException(val.getClass().getName() + " not supported by createElement.");
}
return new PlainTextElement(this, (String) key, (String) val);
}
/**
* {@inheritDoc}
*/
public PlainTextElement createElement(String name) {
return new PlainTextElement(this, name);
}
/**
* {@inheritDoc}
*/
public PlainTextElement createElement(String name, String val) {
return new PlainTextElement(this, name, val);
}
/**
* {@inheritDoc}
*/
public InputStream getStream() throws IOException {
// XXX [email protected] 20010307 Should be using a pipe
String charset = mimeType.getParameter("charset");
if (charset == null) {
return new ByteArrayInputStream(toString().getBytes());
} else {
return new ByteArrayInputStream(toString().getBytes(charset));
}
}
/**
* {@inheritDoc}
*/
public void sendToStream(OutputStream stream) throws IOException {
String charset = mimeType.getParameter("charset");
Writer osw;
if (charset == null) {
osw = new OutputStreamWriter(stream);
} else {
osw = new OutputStreamWriter(stream, charset);
}
Writer out = new BufferedWriter(osw);
sendToWriter(out);
out.flush();
}
/**
* {@inheritDoc}
*/
public Reader getReader() {
// XXX [email protected] 20010307 Should be using a pipe
return new StringReader(toString());
}
/**
* {@inheritDoc}
*/
public void sendToWriter(Writer stream) throws IOException {
printNice(stream, 0, true);
}
}
