nodetemplateimpl.java

jsp + xmｌ实现ｔｒｅｅｖｉｅｗ

/*
 * ====================================================================
 * The JSP Tree Software License, Version 1.1
 *
 * (this license is derived and fully compatible with the Apache Software
 * License - see http://www.apache.org/LICENSE.txt)
 *
 * Copyright (c) 2002-2005 jsptree.sourceforge.net . All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by
 *        jsptree.sourceforge.net (http://jsptree.sourceforge.net/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The name "JSP Tree" must not be used to endorse or promote
 *    products derived from this software without prior written permission.
 *    For written permission, please contact [e-mail] .
 *
 * 5. Products derived from this software may not be called "JSP Tree",
 *    nor may "JSP Tree" appear in their name, without prior written
 *    permission of jsptree.sourceforge.net.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 */

package net.sf.jsptree.template;

import java.util.Iterator;
import java.util.Map;

/**
 * @author Vladislav Kamensky
 */
public class NodeTemplateImpl implements NodeTemplate {

    public static final String NODE = "node.tmpl";

    public static final String SELECTED_NODE = "selected_node.tmpl";

    public static final String OPENED_NODE = "opened_node.tmpl";

    public static final String OPENED_NODE_LAST_CHILD = "opened_node_last.tmpl";

    public static final String OPENED_SELECTED_NODE = "opened_selected_node.tmpl";

    public static final String OPENED_SELECTED_NODE_LAST_CHILD = "opened_selected_node_last.tmpl";

    public static final String CLOSED_NODE = "closed_node.tmpl";

    public static final String CLOSED_NODE_LAST_CHILD = "closed_node_last.tmpl";

    public static final String CLOSED_SELECTED_NODE = "closed_selected_node.tmpl";

    public static final String CLOSED_SELECTED_NODE_LAST_CHILD = "closed_selected_node_last.tmpl";

    public static final String LEAF = "leaf.tmpl";

    public static final String LEAF_LAST_CHILD = "leaf_last.tmpl";

    public static final String LEAF_SELECTED = "leaf_selected.tmpl";

    public static final String LEAF_SELECTED_LAST_CHILD = "leaf_selected_last.tmpl";

    public static final String LEFT_SHIFT = "left_shift.tmpl";

    public static final String RIGHT_SHIFT = "right_shift.tmpl";

    public static final String[] DEFAULT_TEMPLATES = {NODE,
                                                      SELECTED_NODE,
                                                      LEAF,
                                                      LEAF_SELECTED,
                                                      LEFT_SHIFT,
                                                      RIGHT_SHIFT};

    public static final String[] MENU_TEMPLATES = {OPENED_NODE,
                                                   OPENED_SELECTED_NODE,
                                                   CLOSED_NODE,
                                                   CLOSED_SELECTED_NODE,
                                                   LEAF,
                                                   LEAF_SELECTED,
                                                   LEFT_SHIFT};

    public static final String[] FOLDER_TEMPLATES = {OPENED_NODE,
                                                     OPENED_NODE_LAST_CHILD,
                                                     OPENED_SELECTED_NODE,
                                                     OPENED_SELECTED_NODE_LAST_CHILD,
                                                     CLOSED_NODE,
                                                     CLOSED_NODE_LAST_CHILD,
                                                     CLOSED_SELECTED_NODE,
                                                     CLOSED_SELECTED_NODE_LAST_CHILD,
                                                     LEAF,
                                                     LEAF_LAST_CHILD,
                                                     LEAF_SELECTED,
                                                     LEAF_SELECTED_LAST_CHILD,
                                                     LEFT_SHIFT,
                                                     RIGHT_SHIFT};

    private String m_body;

    NodeTemplateImpl(String p_body) {
        m_body = p_body;
    }

    public String getHTML() {
        return m_body;
    }

    public String getHTML(String p_tag, String p_value) {

        return searchAndReplace(m_body, p_tag, p_value);
    }

    public String getHTML(Map p_tags) {
        String a_body = m_body;
        for (Iterator a_it = p_tags.keySet().iterator(); a_it.hasNext();) {
            String a_key = (String) a_it.next();
            String a_value = (String) p_tags.get(a_key);
            a_body = searchAndReplace(a_body, a_key, a_value);
        }
        return a_body;
    }

    public static String searchAndReplace(String p_str, String p_search, String p_replace) {
        if (p_str == null || p_search == null || p_replace == null) return p_str;

        String a_left = null;
        String a_right = null;
        int result = 0;
        while ((result = p_str.indexOf(p_search, result - 1)) != -1) {
            a_left = p_str.substring(0, result);
            a_right = p_str.substring(result + p_search.length());
            result += p_replace.length() + 1;
            p_str = a_left + p_replace + a_right;
            if (result > p_str.length()) {
                break;
            }
        }
        return p_str;
    }

}