001/*
002 * This library is part of OpenCms -
003 * the Open Source Content Management System
004 *
005 * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
006 *
007 * This library is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * This library is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * Lesser General Public License for more details.
016 *
017 * For further information about Alkacon Software, please see the
018 * company website: http://www.alkacon.com
019 *
020 * For further information about OpenCms, please see the
021 * project website: http://www.opencms.org
022 *
023 * You should have received a copy of the GNU Lesser General Public
024 * License along with this library; if not, write to the Free Software
025 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
026 */
027
028package org.opencms.ade.contenteditor;
029
030import org.opencms.file.CmsResource;
031import org.opencms.util.CmsStringUtil;
032import org.opencms.xml.content.I_CmsXmlContentEditorChangeHandler;
033
034/**
035 * Abstract implementation of the content editor change handler.<p>
036 */
037public abstract class A_CmsXmlContentEditorChangeHandler implements I_CmsXmlContentEditorChangeHandler {
038
039    /** The configuration string. */
040    protected String m_configuration;
041
042    /** The content field to watch for changes. */
043    protected String m_scope;
044
045    /**
046     * @see org.opencms.xml.content.I_CmsXmlContentEditorChangeHandler#getConfiguration()
047     */
048    public String getConfiguration() {
049
050        return m_configuration;
051    }
052
053    /**
054     * @see org.opencms.xml.content.I_CmsXmlContentEditorChangeHandler#getScope()
055     */
056    public String getScope() {
057
058        return m_scope;
059    }
060
061    /**
062     * Resolves a relative content value path to an absolute one.<p>
063     *
064     * @param source the source path
065     * @param target the target path
066     *
067     * @return the resolved path
068     */
069    public String resolveRelativePath(String source, String target) {
070
071        String result = null;
072        if (target.startsWith(".")) {
073            if (target.startsWith("./")) {
074                target = target.substring(2);
075            }
076            while (target.startsWith("../")) {
077                source = CmsResource.getParentFolder(source);
078                target = target.substring(3);
079            }
080            result = CmsStringUtil.joinPaths(source, target);
081        } else {
082            result = target;
083        }
084        return result;
085    }
086
087    /**
088     * @see org.opencms.xml.content.I_CmsXmlContentEditorChangeHandler#setConfiguration(java.lang.String)
089     */
090    public void setConfiguration(String configuration) {
091
092        m_configuration = configuration;
093    }
094
095    /**
096     * @see org.opencms.xml.content.I_CmsXmlContentEditorChangeHandler#setScope(java.lang.String)
097     */
098    public void setScope(String scope) {
099
100        m_scope = scope;
101    }
102
103}