/*
* Copyright 2012 Juergen Groothues
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package de.groothues.mysaml.impl;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.bootstrap.DOMImplementationRegistry;
import org.w3c.dom.ls.DOMImplementationLS;
import org.w3c.dom.ls.LSInput;
import org.w3c.dom.ls.LSParser;
import org.w3c.dom.ls.LSSerializer;
public class DomHelper {
public static Document createNewDocument() {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(true);
DocumentBuilder db;
try {
db = factory.newDocumentBuilder();
} catch (ParserConfigurationException e) {
throw new RuntimeException(e);
}
return db.newDocument();
}
public static String writeToString(Node node) {
try {
DOMImplementationRegistry registry = DOMImplementationRegistry.newInstance();
DOMImplementationLS impl =
(DOMImplementationLS)registry.getDOMImplementation("LS");
LSSerializer writer = impl.createLSSerializer();
return writer.writeToString(node);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public static Document parseXml(String xml) {
try {
DOMImplementationRegistry registry = DOMImplementationRegistry.newInstance();
DOMImplementationLS impl =
(DOMImplementationLS)registry.getDOMImplementation("LS");
LSInput input = impl.createLSInput();
input.setStringData(xml);
LSParser parser = impl.createLSParser(DOMImplementationLS.MODE_SYNCHRONOUS,
null);
return parser.parse(input);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}