/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2011, Open Source Geospatial Foundation (OSGeo)
*
* This library 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;
* version 2.1 of the License.
*
* This library 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.
*/
package org.geotools.wfs.v2_0.bindings;
import java.util.Enumeration;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
import org.xml.sax.helpers.NamespaceSupport;
public class CopyingHandler extends DefaultHandler {
protected StringBuffer buffer;
protected NamespaceSupport namespaceContext;
public CopyingHandler() {
this(null);
}
public CopyingHandler(NamespaceSupport namespaceContext) {
this.namespaceContext = namespaceContext;
}
@Override
public void startElement(String uri, String localName, String qName, Attributes attributes)
throws SAXException {
boolean root = false;
if (buffer == null) {
buffer = new StringBuffer();
root = true;
}
buffer.append("<").append(qName);
if (attributes.getLength() > 0) {
for (int i = 0; i < attributes.getLength(); i++) {
buffer.append(" ").append(attributes.getQName(i)).append("=\"")
.append(attributes.getValue(i)).append("\"");
}
}
if (root && namespaceContext != null) {
//dump out namespace context
for (Enumeration e = namespaceContext.getPrefixes(); e.hasMoreElements(); ) {
String prefix = (String) e.nextElement();
if ("".equals(prefix)) {
buffer.append(" xmlns");
}
else {
buffer.append(" xmlns:").append(prefix);
}
buffer.append("='").append(namespaceContext.getURI(prefix)).append("'");
}
}
buffer.append(">");
}
@Override
public void characters(char[] ch, int start, int length) throws SAXException {
if (buffer == null) {
buffer = new StringBuffer();
}
buffer.append(ch, start, length);
}
@Override
public void endElement(String uri, String localName, String qName) throws SAXException {
if (buffer != null) {
buffer.append("</").append(qName).append(">");
}
}
@Override
public void endDocument() throws SAXException {
buffer = null;
}
}