Package org.springmodules.xt.ajax.action

Source Code of org.springmodules.xt.ajax.action.ExecuteJavascriptFunctionAction

/*
* Copyright 2006 the original author or authors.
*
* 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 org.springmodules.xt.ajax.action;

import java.util.HashMap;
import java.util.Map;
import net.sf.json.JSONObject;

/**
* Ajax action for executing a Javascript function (declared in the client side) with the following signature: <i>function name(options)</i>.<br>
* The <i>options</i> argument must be a JSON object in the form: <i>{param1 : value1, param2 : value2 ... }</i>.
*
* @author Sergio Bossa
*/
public class ExecuteJavascriptFunctionAction extends AbstractExecuteJavascriptAction {
   
    private static final long serialVersionUID = 26L;
   
    private String name;
    private Map<String, Object> options = new HashMap<String, Object>();
   
    /**
     * Action constructor.
     * @param name The function name.
     * @param options A map of key/value pairs representing function options.
     */
    public ExecuteJavascriptFunctionAction(String name, Map<String, Object> options) {
        this.name = name;
        this.options = options;
    }
   
    protected String getJavascript() {
        StringBuilder function = new StringBuilder();
       
        function.append(name).append("(");
        if (this.options != null && !this.options.isEmpty()) {
            JSONObject json = JSONObject.fromMap(this.options);
            function.append(json.toString());
        }
        function.append(");");
       
        return function.toString();
    }
}
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