Java XML String Transform mergeXml(String... xmlSources)

Description

Merges many Serialized XML Strings into one following the MergeDocument schema.

License

Open Source License

Parameter

Parameter	Description
xmlSources	a parameter

Declaration

public static String mergeXml(String... xmlSources) 

Method Source Code

//package com.java2s;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.List;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
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.w3c.dom.Document;

public class Main {
    /**//from w w w.  j  av  a  2s  . c  o m
     * Merges many Serialized XML Strings into one following the MergeDocument schema.
     * @param xmlSources
     * @return
     */
    public static String mergeXml(String... xmlSources) {
        String merge = "<merge:root xmlns:merge=\"http://org.jboss.tusk.esb.support.soa/merged\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">";

        for (String s : xmlSources) {
            merge = merge + "<source>";
            merge = merge + s;
            merge = merge + "</source>";
        }
        merge += "</merge:root>";
        return merge;
    }

    /**
     * Merges many DOM Objects into one following the MergeDocument schema.
     * @param xmlDocuments
     * @return
     * @throws TransformerException
     */
    public static String mergeXml(Document... xmlDocuments) throws TransformerException {

        List<String> mergedSerialized = new ArrayList<String>(xmlDocuments.length);
        for (Document document : xmlDocuments) {
            StringWriter writer = new StringWriter();
            TransformerFactory xformFactory = TransformerFactory.newInstance();
            Transformer idTransform = xformFactory.newTransformer();
            idTransform.setOutputProperty("omit-xml-declaration", "yes");
            Source input = new DOMSource(document);
            Result output = new StreamResult(writer);
            idTransform.transform(input, output);

            mergedSerialized.add(writer.toString());
        }
        //Array of serialized XML documents.
        String[] serializedArray = new String[mergedSerialized.size()];
        mergedSerialized.toArray(serializedArray);

        return mergeXml(serializedArray);
    }
}

Related

1. getValidator(String path)
2. getXmlStringFromSource(Source payload)
3. identity(String xml)
4. indentXML(String fileContent)
5. loadSourceFromURL(String systemID)
6. normXML(String s)
7. parseEventsToXML(String module, Hashtable keyvalues)
8. parseToString(final Node node)
9. parseXmlFile(String filename, boolean validating, boolean namespaceAware)