ajaxvaluelistxmlbuilder.java

这是AJAX的一个HTML实现！ HTML标签AJAX的实现！

/**
 * Copyright 2007 Jens Kapitza
 *
 * Licensed 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.
 */
package net.sourceforge.ajaxtags.xml;

import net.sourceforge.ajaxtags.helpers.ValueItem;

/**
 * Helper class to build valid XML for ajax with more then one value
 * 
 * @author Jens Kapitza
 * @version $Revision$ $Date: 2007/07/22 16:29:16 $ $Author: jenskapitza $
 */
class AjaxValueListXmlBuilder extends BaseXmlBuilder<ValueItem> {

    /**
     * add an Item
     * 
     * @param name
     *            the name
     * @param asCdata
     *            true if so else false
     * @param value
     *            a list of values
     * @return the xmlbuilder
     * 
     */

    public AjaxValueListXmlBuilder addItem(String name, boolean asCdata,
	    String... value) {
	getListe().add(new ValueItem(name, asCdata, value));
	return this;
    }

    /**
     * add an Item with asCdata = false
     * 
     * @param name
     *            the name
     * @param value
     *            a list of values
     * @return the xmlbuilder
     */
    public AjaxValueListXmlBuilder addItem(String name, String... value) {
	return addItem(name, false, value);
    }

    /**
     * build the node
     * 
     * @param item
     *            the item
     * @return xml string for this item
     */
    private static String valueToString(ValueItem item) {
	StringBuffer xml = new StringBuffer();
	xml.append("<name>");
	if (item.isAsCData()) {
	    xml.append("<![CDATA[");
	}
	xml.append(item.getName());
	if (item.isAsCData()) {
	    xml.append("]]>");
	}
	xml.append("</name>");
	for (String value : item.getValue()) {
	    xml.append("<value>");
	    if (item.isAsCData()) {
		xml.append("<![CDATA[");
	    }
	    xml.append(value);
	    if (item.isAsCData()) {
		xml.append("]]>");
	    }
	    xml.append("</value>");
	}

	return xml.toString();
    }

    /**
     * build the xml string
     * 
     * @see BaseXmlBuilder#getXMLString()
     */
    @Override
    protected String getXMLString() {
	StringBuffer xml = new StringBuffer();
	xml.append("<ajax-response>");
	xml.append("<response>");
	for (ValueItem item : getItems()) {
	    xml.append("<item>");
	    xml.append(valueToString(item));
	    xml.append("</item>");
	}
	xml.append("</response>");
	xml.append("</ajax-response>");

	return xml.toString();
    }

}