/*******************************************************************************
* Copyright (c) 2006-2010 Vienna University of Technology,
* Department of Software Technology and Interactive Systems
*
* All rights reserved. This program and the accompanying
* materials are made available under the terms of the
* Apache License, Version 2.0 which accompanies
* this distribution, and is available at
* http://www.apache.org/licenses/LICENSE-2.0
*******************************************************************************/
package eu.planets_project.pp.plato.xml.plato;
import java.io.IOException;
import java.io.Serializable;
import java.io.StringWriter;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import com.sun.org.apache.xml.internal.serialize.OutputFormat;
import com.sun.org.apache.xml.internal.serialize.XMLSerializer;
/**
* Digester helper class for {@link eu.planets_project.pp.plato.xml.ProjectImporter}:
*
* For parsing XML data contained in a Node, and pass it on as string.
* Currently only used for definition of executable plan.
*
* @author Michael Kraxner
*
*/
public class NodeContentWrapper implements Serializable{
private static final long serialVersionUID = 981504451654217666L;
Element node = null;
/**
* @param value
*/
public void setNode(Object value) {
if (value instanceof Element) {
node = (Element)value;
} else {
node = null;
}
}
public void setNodeContentEPrintsPlan(Object target, String setter) {
if ((target == null) || ((setter == null) || "".equals(setter))) {
return;
}
try {
String value = "";
if (node != null) {
StringWriter stringWriter = new StringWriter();
try {
// node is a w3c element - create a w3c document
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(true);
DocumentBuilder builder = factory.newDocumentBuilder();
// add missing xsi namespace
Document w3cDoc = builder.newDocument();
Node dup = w3cDoc.importNode(node, true);
w3cDoc.appendChild(dup);
// print document
OutputFormat xmlFormat = new OutputFormat("xml","ISO-8859-1", true);
xmlFormat.setOmitXMLDeclaration(true);
XMLSerializer serializer = new XMLSerializer(stringWriter, xmlFormat);
serializer.serialize(w3cDoc);
value = stringWriter.toString();
} catch (ParserConfigurationException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
// finally: call setter on target object
Method setData = target.getClass().getMethod(setter, String.class);
setData.invoke(target, new Object[]{value});
} catch (SecurityException e) {
e.printStackTrace();
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (NoSuchMethodException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
}
}
public void setNodeContent(Object target, String setter) {
if ((target == null) || ((setter == null) || "".equals(setter))) {
return;
}
try {
String value = "";
if (node != null) {
StringWriter stringWriter = new StringWriter();
try {
// node is a w3c element - create a w3c document
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(true);
DocumentBuilder builder = factory.newDocumentBuilder();
// add missing xsi namespace
node.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns", "http://www.planets-project.eu/plato");
node.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance");
node.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns:wdt", "http://www.planets-project.eu/wdt");
normalizeChildPrefixes(node, "wdt");
Document w3cDoc = builder.newDocument();
Node dup = w3cDoc.importNode(node, true);
w3cDoc.appendChild(dup);
// print document
OutputFormat xmlFormat = new OutputFormat("xml","ISO-8859-1", true);
xmlFormat.setOmitXMLDeclaration(true);
XMLSerializer serializer = new XMLSerializer(stringWriter, xmlFormat);
serializer.serialize(w3cDoc);
value = stringWriter.toString();
} catch (ParserConfigurationException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
// finally: call setter on target object
Method setData = target.getClass().getMethod(setter, String.class);
setData.invoke(target, new Object[]{value});
} catch (SecurityException e) {
e.printStackTrace();
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (NoSuchMethodException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
}
}
private void normalizeChildPrefixes(Element node, String prefix) {
NodeList children = node.getChildNodes();
for (int i = 0; i < children.getLength(); i++) {
Node child = children.item(i);
if (child instanceof Element) {
((Element)child).setPrefix(prefix);
normalizeChildPrefixes((Element)child, prefix);
}
}
}
/**
* Invokes the function setter on <code>object</code> via reflection
* - with content of previously stored node as parameter.
*
* @param object
*/
// public void setContent(Object object) {
// try {
// String value = "";
// if (node != null) {
// StringWriter stringWriter = new StringWriter();
// XMLWriter writer = new XMLWriter(stringWriter, ProjectExporter.prettyFormat);
// try {
// // node is a w3c element - create a w3c document
// DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
// factory.setNamespaceAware(true);
// DocumentBuilder builder = factory.newDocumentBuilder();
//
// node.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance");
// Document w3cDoc = builder.newDocument();
// Node dup = w3cDoc.importNode(node, true);
// w3cDoc.appendChild(dup);
//// w3cDoc.getDocumentElement().setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance");
// OutputFormat xmlFormat = new OutputFormat("xml","ISO-8859-1", true);
// xmlFormat.setOmitXMLDeclaration(true);
// XMLSerializer serializer = new XMLSerializer(stringWriter, xmlFormat);
// serializer.serialize(w3cDoc);
//
//// // Convert w3c document to dom4j document
//// DOMReader reader = new DOMReader();
//// org.dom4j.Document dom4jDoc = reader.read( w3cDoc);
//// // and write dom4j document
//// writer.write(dom4jDoc);
//// writer.close();
// value = stringWriter.toString();
// } catch (ParserConfigurationException e) {
// e.printStackTrace();
// } catch (IOException e) {
// e.printStackTrace();
// }
// }
// Method setData = object.getClass().getMethod(setter, String.class);
// setData.invoke(object, new Object[]{value});
// } catch (SecurityException e) {
// e.printStackTrace();
// } catch (IllegalArgumentException e) {
// e.printStackTrace();
// } catch (NoSuchMethodException e) {
// e.printStackTrace();
// } catch (IllegalAccessException e) {
// e.printStackTrace();
// } catch (InvocationTargetException e) {
// e.printStackTrace();
// }
// }
}