/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2001 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Ant", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

package org.apache.tools.ant.taskdefs.optional.sitraka;

import java.util.Hashtable;
import java.util.Vector;

import org.apache.tools.ant.BuildException;

/**
 * Trigger information. It will return as a command line argument by calling
 * the <tt>toString()</tt> method.
 *
 * @author <a href="mailto:sbailliez@imediation.com">Stephane Bailliez</a>
 */
public class Triggers {

    protected Vector triggers = new Vector();

    public Triggers() {
    }

    public void addMethod(Method method) {
        triggers.addElement(method);
    }

    // -jp_trigger=ClassName.*():E:S,ClassName.MethodName():X:X
    public String toString() {
        StringBuffer buf = new StringBuffer();
        final int size = triggers.size();
        for (int i = 0; i < size; i++) {
            buf.append(triggers.elementAt(i).toString());
            if (i < size - 1) {
                buf.append(',');
            }
        }
        return buf.toString();
    }


    public static class Method {
        protected String name;
        protected String event;
        protected String action;
        protected String param;

        public void setName(String value) {
            name = value;
        }

        public void setEvent(String value) {
            if (eventMap.get(value) == null) {
                throw new BuildException("Invalid event, must be one of " + eventMap);
            }
            event = value;
        }

        public void setAction(String value) throws BuildException {
            if (actionMap.get(value) == null) {
                throw new BuildException("Invalid action, must be one of " + actionMap);
            }
            action = value;
        }

        public void setParam(String value) {
            param = value;
        }

        // return <name>:<event>:<action>[:param]
        public String toString() {
            StringBuffer buf = new StringBuffer();
            buf.append(name).append(":"); //@todo name must not be null, check for it
            buf.append(eventMap.get(event)).append(":");
            buf.append(actionMap.get(action));
            if (param != null) {
                buf.append(":").append(param);
            }
            return buf.toString();
        }
    }

    /** mapping of actions to cryptic command line mnemonics */
    private final static Hashtable actionMap = new Hashtable(3);

    /** mapping of events to cryptic command line mnemonics */
    private final static Hashtable eventMap = new Hashtable(3);

    static {
        actionMap.put("enter", "E");
        actionMap.put("exit", "X");
        // clear|pause|resume|snapshot|suspend|exit
        eventMap.put("clear", "C");
        eventMap.put("pause", "P");
        eventMap.put("resume", "R");
        eventMap.put("snapshot", "S");
        eventMap.put("suspend", "A");
        eventMap.put("exit", "X");
    }

}
