Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * 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.
 */

import java.io.IOException;

import java.io.StringWriter;

import java.util.Enumeration;

import java.util.Properties;

import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

public class Main {
    /**
     * Convert Properties to string
     *
     * @param props
     * @return xml string
     * @throws IOException
     */
    public static String writePropToString(Properties props) throws IOException {
        try {
            org.w3c.dom.Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
            org.w3c.dom.Element conf = doc.createElement("configuration");
            doc.appendChild(conf);
            conf.appendChild(doc.createTextNode("\n"));
            for (Enumeration e = props.keys(); e.hasMoreElements();) {
                String name = (String) e.nextElement();
                Object object = props.get(name);
                String value;
                if (object instanceof String) {
                    value = (String) object;
                } else {
                    continue;
                }
                org.w3c.dom.Element propNode = doc.createElement("property");
                conf.appendChild(propNode);

                org.w3c.dom.Element nameNode = doc.createElement("name");
                nameNode.appendChild(doc.createTextNode(name.trim()));
                propNode.appendChild(nameNode);

                org.w3c.dom.Element valueNode = doc.createElement("value");
                valueNode.appendChild(doc.createTextNode(value.trim()));
                propNode.appendChild(valueNode);

                conf.appendChild(doc.createTextNode("\n"));
            }

            Source source = new DOMSource(doc);
            StringWriter stringWriter = new StringWriter();
            Result result = new StreamResult(stringWriter);
            TransformerFactory factory = TransformerFactory.newInstance();
            Transformer transformer = factory.newTransformer();
            transformer.transform(source, result);

            return stringWriter.getBuffer().toString();
        } catch (Exception e) {
            throw new IOException(e);
        }
    }
}