ajaxservercallback.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.tags;

import javax.servlet.jsp.JspException;


/**
 * Realize a Server Update
 * 
 * @author Jens Kapitza
 * 
 * @version $Revision$ $Date: 2007/06/23 18:36:51 $ $Author: jenskapitza $
 */
public class AjaxServerCallback extends BaseAjaxBodyTag {
    /**
     * 
     */
    private static final long serialVersionUID = 1L;
    private boolean plainText;
 
    @Override
    protected boolean skipBody() {
	return true;
    }

    @Override
    public int doEndTag() throws JspException {
	// nun das JS erzeugen
	// vertige JS function aufrufen!
	OptionsBuilder options = getOptionsBuilder();
	options.add("plainText", String.valueOf(this.plainText), false);
 
	StringBuffer script = new StringBuffer();
	script.append("<script type=\"text/javascript\">\n");
	script.append("new AjaxJspTag.Callback({"
		+ options.toString() + "});\n");
	script.append("</script>\n");
	 
	out(script);

	return EVAL_PAGE;
    }
 
    public boolean isPlainText() {
	return plainText;
    }

    public void setPlainText(boolean plainText) {
	this.plainText = plainText;
    }
}