XMLSerializer.java

package org.objectweb.jonas_lib.xml;

import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;

import org.w3c.dom.Document;

import org.apache.xml.serialize.DOMSerializer;
import org.apache.xml.serialize.Method;
import org.apache.xml.serialize.OutputFormat;
import org.apache.xml.serialize.Serializer;
import org.apache.xml.serialize.SerializerFactory;


public class XMLSerializer {

    private static final int DEF_INDENT_SIZE = 4;

    private static final int DEF_LINE_WIDTH = 80;

    private static final String DEF_LINE_SEP = "\n";

    private Document doc;

    private OutputFormat format;

    private SerializerFactory factory;

    public XMLSerializer(Document doc) {
        this.doc = doc;
        // define the format for the xml document
        format = new OutputFormat();
        setIndent(DEF_INDENT_SIZE);
        setLineSeparator(DEF_LINE_SEP);
        setLineWidth(DEF_LINE_WIDTH);

        // document serialization and writing
        factory = SerializerFactory.getSerializerFactory(Method.XML);
    }

    public void setLineSeparator(String sep) {
        format.setLineSeparator(sep);
    }

    public void setLineWidth(int width) {
        format.setLineWidth(width);
    }

    public void setIndent(int indent) {
        format.setIndent(indent);
    }

    public void serialize(OutputStream os) throws IOException {
        serialize(new OutputStreamWriter(os));
    }

    public void serialize(Writer writer) throws IOException {
        Serializer genericSerializer = factory.makeSerializer(writer, format);
        DOMSerializer domSerializer = genericSerializer.asDOMSerializer();

        domSerializer.serialize(doc);
    }
}

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