com.syrup.storage.xml.XmlFactory.java Source code

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Here is the source code for com.syrup.storage.xml.XmlFactory.java

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/*
 * Copyright 2002-2006 the original author or authors.
 *
 * 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 com.syrup.storage.xml;

import java.io.IOException;
import java.io.StringWriter;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.apache.http.protocol.HTTP;
import org.w3c.dom.Document;
import org.w3c.dom.Element;

import com.syrup.storage.IStorage;
import com.syrup.storage.TestStore;

public class XmlFactory {

    /**
     * Returns a <code>Document</code> object representing a ???
     * 
     * @param mockServices List of services to convert into an xml document
      * @return <code>Document</code> object representing a cXML order request
     */
    public Document getAsDocument(IStorage store) {
        try {
            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
            factory.setNamespaceAware(true);

            DocumentBuilder docBuilder = factory.newDocumentBuilder();
            Document document = docBuilder.newDocument();

            XmlFileConfigurationGenerator xmlGeneratorSupport = new XmlFileConfigurationGenerator();

            Element xmlRootElement = xmlGeneratorSupport.getElement(document, store);
            document.appendChild(xmlRootElement);

            return document;
        } catch (ParserConfigurationException pce) {
            System.out.println(":" + pce.getMessage());

            return null;
        }
    }

    /**
     * Convert document to string. Helper method.
     * 
     * @param document
     *            the document object.
     * @return String.
      * @throws java.io.IOException when unable to write the xml
      * @throws javax.xml.transform.TransformerException when unable to transform the document
     */
    public static String documentToString(Document document) throws IOException, TransformerException {
        String soapRequest = null;

        if (document != null) {
            Transformer transformer = TransformerFactory.newInstance().newTransformer();
            transformer.setOutputProperty(OutputKeys.INDENT, "yes");
            transformer.setOutputProperty(OutputKeys.METHOD, "xml");
            transformer.setOutputProperty(OutputKeys.ENCODING, HTTP.UTF_8);
            StreamResult result = new StreamResult(new StringWriter());
            DOMSource source = new DOMSource(document);
            transformer.transform(source, result);
            return result.getWriter().toString();
        }

        return soapRequest;
    }

    public static void main(String[] args) throws IOException, TransformerException {
        XmlFactory g = new XmlFactory();
        Document result = g.getAsDocument(new TestStore());
        System.out.println(XmlFactory.documentToString(result));
    }
}