/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2000-2001 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.
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 * 4. The names "The Jakarta Project", "Ant", and "Apache Software
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 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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 * 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.iplanet;

import org.apache.tools.ant.types.Commandline;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.taskdefs.Execute;
import org.apache.tools.ant.taskdefs.LogStreamHandler;

import java.util.Vector;
import java.io.File;

/**
 * @author <a href="mailto:martin.gee@icsynergy.com">Martin Gee</a>
 */
public class IASUnDeployTask extends Task {
	/**
	 *
	 */
	public void setVerbose(boolean verbose) {
		_verbose = verbose;
	}

	/**
	 *
	 */
	public void setIas_home(File ias_home) {
		if (!ias_home.isDirectory()) {
			throw new BuildException("ias_home directory " + 
					 ias_home.getPath() + " is not valid");
		}
		_ias_homeDirectory = ias_home;
	}

	/**
	 *
	 */
	public IASInstance createInstance() {
		_instance = new IASInstance();
		return _instance;
	}

	/**
	 *
	 */
	public Deployable createApplication() {
		Deployable deployable = new Deployable(Deployable.APPLICATION);
		_deployableList.addElement(deployable);
		return deployable;
	}

	/**
	 *
	 */
	public Deployable createModule() {
		Deployable deployable = new Deployable(Deployable.MODULE);
		_deployableList.addElement(deployable);
		return deployable;
	}

	/**
	 *
	 */
	public Deployable createResource() {
		Deployable deployable = new Deployable(Deployable.RESOURCE);
		_deployableList.addElement(deployable);
		return deployable;
	}

	/**
	 *
	 */
	public void execute() 
	throws BuildException
	{
		deploy();
	}

	/**
	 *
	 */
	protected void deploy(String cmd, Deployable deployable)
	throws BuildException
	{
		try {
			Commandline cmdline = new Commandline();

			// check if we have the path to iAS/ias
			if (_ias_homeDirectory != null) {
				cmdline.setExecutable(_ias_homeDirectory.toString()+"/bin/iasdeploy");
			} else {	 // hope ejbc is in the path!
				cmdline.setExecutable("iasdeploy");
			}

			cmdline.createArgument().setValue(cmd);

			if (_verbose) {
				cmdline.createArgument().setValue("-verbose");
			}

			IASInstance instance = _instance;
			if (deployable.getInstance() != null) {
				instance = deployable.getInstance();
			}

			if (instance != null) {
				if (instance.getName() != null) {
					cmdline.createArgument().setValue("-instance");
					cmdline.createArgument().setValue(instance.getName());
				} else {
					cmdline.createArgument().setValue("-user");
					cmdline.createArgument().setValue(instance.getUser());
					cmdline.createArgument().setValue("-password");
					cmdline.createArgument().setValue(instance.getPassword());
					cmdline.createArgument().setValue("-host");
					cmdline.createArgument().setValue(instance.getHost());
					cmdline.createArgument().setValue("-port");
					cmdline.createArgument().setValue(""+instance.getPort());
				}
			}

			cmdline.createArgument().setValue(deployable.getName());

			Execute exe = new Execute(new LogStreamHandler(this, 
																		  Project.MSG_INFO,
																		  Project.MSG_WARN));
			exe.setAntRun(project);
			exe.setWorkingDirectory(project.getBaseDir());
			exe.setCommandline(cmdline.getCommandline());

			if (_verbose) {
				log("CMDLINE:"+cmdline.toString());
			}

			if (0 != exe.execute()) {
				throw new BuildException("IASDeploy ERROR");
			}
		} catch (Exception e) {
			if (_verbose) {
				e.printStackTrace();
			}
			throw new BuildException("IASDeploy EXCEPTION");
		}
	}

	/**
	 *
	 */
	protected void deploy()
	throws BuildException
	{
		for (int i = 0; i < _deployableList.size(); i++) {
			Deployable deployable = (Deployable) _deployableList.elementAt(i);
			switch (deployable.type()) {
			case Deployable.APPLICATION:
				deploy(APPLICATION, deployable);
				break;
			case Deployable.MODULE:
				deploy(MODULE, deployable);
				break;
			}
		}
	}

	public static final String APPLICATION = "removeapp";
	public static final String MODULE = "removemodule";

	// directory where iAS/ias lives
	private File _ias_homeDirectory;

	// debug
	private boolean _verbose;
	private IASInstance _instance = null;
	private Vector _deployableList = new Vector();
}