Dépôt officiel du code source de l'ERP OpenConcerto

/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 *

 * Copyright 2011 OpenConcerto, by ILM Informatique. All rights reserved.

 *

 * The contents of this file are subject to the terms of the GNU General Public License Version 3

 * only ("GPL"). You may not use this file except in compliance with the License. You can obtain a

 * copy of the License at http://www.gnu.org/licenses/gpl-3.0.html See the License for the specific

 * language governing permissions and limitations under the License.

 *

 * When distributing the software, include this License Header Notice in each file.

 */

 package org.openconcerto.xml;

import java.io.BufferedInputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.io.PrintStream;

import java.util.Properties;

import org.jdom2.Document;

import org.jdom2.Element;

import org.jdom2.input.SAXBuilder;

import org.jdom2.input.sax.XMLReaderSAX2Factory;

public class FastXMLProperties {

    public static void load(Properties props, InputStream in) throws IOException {

        final SAXBuilder builder = new SAXBuilder(new XMLReaderSAX2Factory(false, "com.bluecast.xml.Piccolo"), null, null);

        try {

            final Document document = builder.build(new BufferedInputStream(in));

            for (Element element : document.getRootElement().getChildren()) {

                if (element.getName().equals("entry")) {

                    props.setProperty(element.getAttributeValue("key"), element.getText());

                }

            }

        } catch (Exception e) {

            throw new IOException(e);

        }

    }

    /**

     * Fast alternative (<1ms) for Properties.storeToXML (30ms)

     *

     */

    public static void store(Properties props, OutputStream out, String comment) throws IOException {

        PrintStream prt = new PrintStream(out, false, "UTF-8");

        prt.append("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\r\n");

        prt.append("<properties>\\r\n");

        if (comment != null) {

            prt.append("<comment>");

            prt.append(comment);

            prt.append("</comment>\\r\n");

        }

        synchronized (props) {

            for (String k : props.stringPropertyNames()) {

                prt.append("<entry key=\"");

                prt.append(XMLUtils.escapeAttribute(k));

                prt.append("\">");

                prt.append(XMLUtils.escapeText(props.getProperty(k)));

                prt.append("</entry>\\r\n");

            }

        }

        prt.append("</properties>");

        prt.close();

    }

}