/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.catalina.ant;


import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;

import org.apache.tools.ant.BuildException;


/**
 * Ant task that implements the <code>/sessions</code> command
 * supported by the Tomcat manager application.
 *
 * @author Vivek Chopra
 * @version $Revision$
 */
public class SessionsTask extends AbstractCatalinaTask {

    // Properties

    /**
     * The context path of the web application we are managing.
     */
    protected String path = null;

    public String getPath() {
        return (this.path);
    }

    public void setPath(String path) {
        this.path = path;
    }

    // Public Methods

    /**
     * Execute the requested operation.
     *
     * @exception BuildException if an error occurs
     */
    public void execute() throws BuildException {

        super.execute();
        if (path == null) {
            throw new BuildException
                ("Must specify 'path' attribute");
        }
        
        try {
            execute("/sessions?path=" + URLEncoder.encode(this.path, getCharset()));
        } catch (UnsupportedEncodingException e) {
            throw new BuildException
                ("Invalid 'charset' attribute: " + getCharset());
        }
        
    }

}