Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the Common Development and Distribution License, Version 1.0
 * only (the "License"). You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at license/ESCIDOC.LICENSE or http://www.escidoc.de/license. See the License for
 * the specific language governing permissions and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each file and include the License file at
 * license/ESCIDOC.LICENSE. If applicable, add the following below this CDDL HEADER, with the fields enclosed by
 * brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 *
 * Copyright 2006-2011 Fachinformationszentrum Karlsruhe Gesellschaft fuer wissenschaftlich-technische Information mbH
 * and Max-Planck-Gesellschaft zur Foerderung der Wissenschaft e.V. All rights reserved. Use is subject to license
 * terms.
 */

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
    /**
     * The thread-safe compiled pattern to extract an object id from an XML representation of a resource, either by
     * getting it from the attribute objid or extracting it from the attribute ...:href.
     */
    private static final Pattern PATTERN_OBJID_FROM_XML = Pattern.compile("(.*?objid=\"|.*?:href=\".*/)(.*?)\".*");

    /**
     * Extracts the objid from the provided resource XML representation.<br/> Either the first occurence of objid="..."
     * is searched and the value is returned, or the first occurence of :href="..." is searched and from this value the
     * objid is extracted and returned.
     *
     * @param resourceXml The XML representation of the resource to get the objid from.
     * @return Returns the extracted objid or {@code null}.
     */
    public static String getIdFromXml(final CharSequence resourceXml) {

        final Matcher matcher = PATTERN_OBJID_FROM_XML.matcher(resourceXml);
        return matcher.find() ? matcher.group(2) : null;
    }
}