/**
* Copyright (C) 2010 Orbeon, Inc.
*
* This program is free software; you can redistribute it and/or modify it under the terms of the
* GNU Lesser General Public License as published by the Free Software Foundation; either version
* 2.1 of the License, or (at your option) any later version.
*
* This program 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 Lesser General Public License for more details.
*
* The full text of the license is available at http://www.gnu.org/copyleft/lesser.html
*/
package org.orbeon.oxf.util;
import org.orbeon.oxf.common.OXFException;
import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;
import java.io.IOException;
import java.io.Writer;
/**
* A Writer that converts the characters written into it into characters written to a ContentHandler.
*/
public class ContentHandlerWriter extends Writer {
private ContentHandler contentHandler;
private boolean supportFlush;
private char[] singleChar = new char[1];
public ContentHandlerWriter(ContentHandler contentHandler) {
this.contentHandler = contentHandler;
}
public ContentHandlerWriter(ContentHandler contentHandler, boolean supportFlush) {
this(contentHandler);
this.supportFlush = supportFlush;
}
public void close() throws IOException {
}
public void flush() throws IOException {
if (supportFlush) {
try {
contentHandler.processingInstruction("orbeon-serializer", "flush");
} catch (SAXException e) {
throw new OXFException(e);
}
}
}
public void write(int c) throws IOException {
singleChar[0] = (char) c;
try {
contentHandler.characters(singleChar, 0, 1);
} catch (SAXException e) {
throw new OXFException(e);
}
}
public void write(char cbuf[]) throws IOException {
try {
contentHandler.characters(cbuf, 0, cbuf.length);
} catch (SAXException e) {
throw new OXFException(e);
}
}
public void write(String str) throws IOException {
try {
int len = str.length();
char[] c = new char[len];
str.getChars(0, str.length(), c, 0);
contentHandler.characters(c, 0, len);
} catch (SAXException e) {
throw new OXFException(e);
}
}
public void write(String str, int off, int len) throws IOException {
try {
char[] c = new char[len];
str.getChars(off, off + len, c, 0);
contentHandler.characters(c, 0, len);
} catch (SAXException e) {
throw new OXFException(e);
}
}
public void write(char cbuf[], int off, int len) throws IOException {
try {
contentHandler.characters(cbuf, off, len);
} catch (SAXException e) {
throw new OXFException(e);
}
}
}