Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.io.StringWriter;
import java.io.Writer;

import java.util.HashMap;

import java.util.Map;

import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.TransformerFactoryConfigurationError;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Node;

public class Main {
    /**
     * Converts an XML node to a string.
     * @param node the XML node
     * @return the string
     */
    public static String toString(Node node) {
        return toString(node, new HashMap<String, String>());
    }

    /**
     * Converts an XML node to a string.
     * @param node the XML node
     * @param prettyPrint true to pretty print, false not to
     * @return the string
     */
    public static String toString(Node node, boolean prettyPrint) {
        Map<String, String> properties = new HashMap<String, String>();
        if (prettyPrint) {
            properties.put(OutputKeys.INDENT, "yes");
            properties.put("{http://xml.apache.org/xslt}indent-amount", "2");
        }
        return toString(node, properties);
    }

    /**
     * Converts an XML node to a string.
     * @param node the XML node
     * @param outputProperties the output properties
     * @return the string
     */
    public static String toString(Node node, Map<String, String> outputProperties) {
        try {
            StringWriter writer = new StringWriter();
            toWriter(node, writer, outputProperties);
            return writer.toString();
        } catch (TransformerException e) {
            //should never be thrown because we're writing to string
            throw new RuntimeException(e);
        }
    }

    /**
     * Writes an XML node to a writer.
     * @param node the XML node
     * @param writer the writer
     * @throws TransformerException if there's a problem writing to the writer
     */
    public static void toWriter(Node node, Writer writer) throws TransformerException {
        toWriter(node, writer, new HashMap<String, String>());
    }

    /**
     * Writes an XML node to a writer.
     * @param node the XML node
     * @param writer the writer
     * @param outputProperties the output properties
     * @throws TransformerException if there's a problem writing to the writer
     */
    public static void toWriter(Node node, Writer writer, Map<String, String> outputProperties)
            throws TransformerException {
        try {
            Transformer transformer = TransformerFactory.newInstance().newTransformer();
            for (Map.Entry<String, String> property : outputProperties.entrySet()) {
                try {
                    transformer.setOutputProperty(property.getKey(), property.getValue());
                } catch (IllegalArgumentException e) {
                    //ignore invalid output properties
                }
            }

            DOMSource source = new DOMSource(node);
            StreamResult result = new StreamResult(writer);
            transformer.transform(source, result);
        } catch (TransformerConfigurationException e) {
            //no complex configurations
        } catch (TransformerFactoryConfigurationError e) {
            //no complex configurations
        }
    }
}