Apache CXF example source code file (JDOMStreamWriter.java)

This example Apache CXF source code file (JDOMStreamWriter.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Apache CXF tags/keywords

attribute, document, document, element, element, jdomnamespacecontext, jdomstreamwriter, namespacecontext, object, stack, string, string, util, xmlstreamexception, xmlstreamexception

The Apache CXF JDOMStreamWriter.java source code

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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 org.apache.cxf.aegis.util.stax;

import java.util.HashMap;
import java.util.Map;
import java.util.Stack;

import javax.xml.namespace.NamespaceContext;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;

import org.jdom.Attribute;
import org.jdom.CDATA;
import org.jdom.Comment;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.EntityRef;
import org.jdom.Namespace;

public class JDOMStreamWriter implements XMLStreamWriter {
    private Stack<Element> stack = new Stack();

    private Document document;

    private Element currentNode;

    private NamespaceContext context;

    private Map properties = new HashMap();

    public JDOMStreamWriter() {
    }

    public JDOMStreamWriter(Element e) {
        newChild(e);
    }

    public void close() throws XMLStreamException {
    }

    public void flush() throws XMLStreamException {
    }    

    public void writeStartElement(String local) throws XMLStreamException {
        newChild(new Element(local));
    }

    private void newChild(Element element) {
        if (currentNode != null) {
            stack.push(currentNode);
            currentNode.addContent(element);
        } else {
            if (document != null) {
                document.setRootElement(element);
            }
        }

        JDOMNamespaceContext ctx = new JDOMNamespaceContext();
        ctx.setElement(element);
        this.context = ctx;

        currentNode = element;
    }

    public void writeStartElement(String namespace, String local) throws XMLStreamException {
        newChild(new Element(local, namespace));
    }

    public void writeStartElement(String prefix, String local, String namespace) throws XMLStreamException {
        if (prefix == null || prefix.equals("")) {
            writeStartElement(namespace, local);
        } else {
            newChild(new Element(local, prefix, namespace));
        }
    }

    public void writeEmptyElement(String namespace, String local) throws XMLStreamException {
        writeStartElement(namespace, local);
    }

    public void writeEmptyElement(String prefix, String namespace, String local) throws XMLStreamException {
        writeStartElement(prefix, namespace, local);
    }

    public void writeEmptyElement(String local) throws XMLStreamException {
        writeStartElement(local);
    }

    public void writeEndElement() throws XMLStreamException {
        currentNode = stack.pop();
    }

    public void writeEndDocument() throws XMLStreamException {
    }

    public void writeAttribute(String local, String value) throws XMLStreamException {
        currentNode.setAttribute(new Attribute(local, value));
    }

    public void writeAttribute(String prefix, String namespace, String local, String value)
        throws XMLStreamException {
        currentNode.setAttribute(new Attribute(local, value, Namespace.getNamespace(prefix, namespace)));
    }

    public void writeAttribute(String namespace, String local, String value) throws XMLStreamException {
        currentNode.setAttribute(new Attribute(local, value, Namespace.getNamespace(namespace)));
    }

    public void writeNamespace(String prefix, String namespace) throws XMLStreamException {
        Namespace decNS = currentNode.getNamespace(prefix);

        if (decNS == null || !decNS.getURI().equals(namespace)) {
            currentNode.addNamespaceDeclaration(Namespace.getNamespace(prefix, namespace));
        }
    }

    public void writeDefaultNamespace(String namespace) throws XMLStreamException {
        currentNode.addNamespaceDeclaration(Namespace.getNamespace("", namespace));
    }

    public void writeComment(String value) throws XMLStreamException {
        currentNode.addContent(new Comment(value));
    }

    public void writeProcessingInstruction(String arg0) throws XMLStreamException {
    }

    public void writeProcessingInstruction(String arg0, String arg1) throws XMLStreamException {
    }

    public void writeCData(String data) throws XMLStreamException {
        currentNode.addContent(new CDATA(data));
    }

    public void writeDTD(String arg0) throws XMLStreamException {

    }

    public void writeEntityRef(String ref) throws XMLStreamException {
        currentNode.addContent(new EntityRef(ref));
    }

    public void writeStartDocument() throws XMLStreamException {
        document = new Document(new Element("root"));
    }

    public void writeStartDocument(String version) throws XMLStreamException {
        writeStartDocument();

        // TODO: set encoding/version
    }

    public void writeStartDocument(String encoding, String version) throws XMLStreamException {
        writeStartDocument();

        // TODO: set encoding/version
    }

    public void writeCharacters(String text) throws XMLStreamException {
        currentNode.addContent(text);
    }

    public void writeCharacters(char[] text, int start, int len) throws XMLStreamException {
        // TODO Auto-generated method stub
        currentNode.addContent(new String(text, start, len));
    }

    public String getPrefix(String uri) throws XMLStreamException {
        return JDOMNamespaceContext.rawGetPrefix(currentNode, uri);
    }

    public void setPrefix(String arg0, String arg1) throws XMLStreamException {
    }

    public void setDefaultNamespace(String arg0) throws XMLStreamException {
    }

    public void setNamespaceContext(NamespaceContext ctx) throws XMLStreamException {
        this.context = ctx;
    }

    public NamespaceContext getNamespaceContext() {
        return context;
    }

    public Object getProperty(String prop) throws IllegalArgumentException {
        return properties.get(prop);
    }

    public Document getDocument() {
        return document;
    }
}