ajaxautocompletetag.java

这是AJAX的一个HTML实现！ HTML标签AJAX的实现！

/**
 * Copyright 2005 Darren L. Spurgeon
 * 
 * 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;

/**
 * Tag handler for the autocomplete AJAX tag.
 * 
 * @author Darren Spurgeon
 * @version $Revision$ $Date: 2007/06/20 20:55:56 $ $Author: jenskapitza $
 */
public class AjaxAutocompleteTag extends BaseAjaxBodyTag {

    /**
     * serialVersionUID
     */
    private static final long serialVersionUID = -6332721548834673822L;

    private String minimumCharacters;

    private String appendSeparator;

    private String className;

    private String indicator;

    public String getAppendSeparator() {
	return appendSeparator;
    }

    public void setAppendSeparator(String appendSeparator) {
	this.appendSeparator = appendSeparator;
    }

    public String getClassName() {
	return className;
    }

    public void setClassName(String className) {
	this.className = className;
    }

    public String getIndicator() {
	return indicator;
    }

    public void setIndicator(String indicator) {
	this.indicator = indicator;
    }

    public String getMinimumCharacters() {
	return minimumCharacters;
    }

    public void setMinimumCharacters(String minimumCharacters) {
	this.minimumCharacters = minimumCharacters;
    }

    @Override
    protected boolean skipBody() {
	return true;
    }

    @Override
    public int doEndTag() throws JspException {
	OptionsBuilder options = getOptionsBuilder();
	options.add("className", this.className, true);
	options.add("indicator", this.indicator, true);
	options.add("minChars", this.minimumCharacters, true);
	options.add("appendSeparator", this.appendSeparator, true);

	StringBuffer script = new StringBuffer();
	script.append("<script type=\"text/javascript\">\n");

	script.append(getJSVariable());
	script.append("new AjaxJspTag.Autocomplete(\n").append("\"").append(
		getBaseUrl()).append("\", {\n").append(options.toString())
		.append("});\n").append("</script>\n\n");

	out(script);
	return EVAL_PAGE;
    }

    @Override
    public void releaseTag() {
	this.className = null;
	this.minimumCharacters = null;
	this.appendSeparator = null;
	this.indicator = null;
    }

}