/*******************************************************************************
 * Copyright (c) 2003, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    IBM Corporation - Initial API and implementation
 *******************************************************************************/
package org.eclipse.jst.server.tomcat.core.internal;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jdt.launching.JavaRuntime;
import org.eclipse.wst.server.core.IModule;
/**
 * Tomcat 32 handler.
 */
public class Tomcat32Handler implements ITomcatVersionHandler {
	/**
	 * @see ITomcatVersionHandler#verifyInstallPath(IPath)
	 */
	public IStatus verifyInstallPath(IPath installPath) {
		return TomcatPlugin.verifyInstallPath(installPath, TomcatPlugin.TOMCAT_32);
	}
	
	/**
	 * @see ITomcatVersionHandler#getRuntimeClass()
	 */
	public String getRuntimeClass() {
		return "org.apache.tomcat.startup.Tomcat";
	}

	/**
	 * @see ITomcatVersionHandler#getRuntimeClasspath(IPath)
	 */
	public List getRuntimeClasspath(IPath installPath) {
		List cp = new ArrayList();
		// add all jars from the Tomcat lib directory
		File libDir = installPath.append("lib").toFile();
		if (libDir.exists()) {
			String[] libs = libDir.list();
			for (int i = 0; i < libs.length; i++) {
				if (libs[i].endsWith("jar")) {
					IPath path = installPath.append("lib").append(libs[i]);
					cp.add(JavaRuntime.newArchiveRuntimeClasspathEntry(path));
				}
			}
		}

		return cp;
	}

	/**
	 * @see ITomcatVersionHandler#getRuntimeProgramArguments(IPath, boolean, boolean)
	 */
	public String[] getRuntimeProgramArguments(IPath configPath, boolean debug, boolean starting) {
		List list = new ArrayList();
		if (configPath != null) {
			list.add("-f \"" + configPath.append("conf").append("server.xml").toOSString() + "\"");
		}
		
		if (!starting)
			list.add("-stop");
		
		String[] s = new String[list.size()];
		list.toArray(s);
		return s;
	}

	/**
	 * @see ITomcatVersionHandler#getExcludedRuntimeProgramArguments(boolean, boolean)
	 */
	public String[] getExcludedRuntimeProgramArguments(boolean debug, boolean starting) {
		return null;
	}
	
	/**
	 * @see ITomcatVersionHandler#getRuntimeVMArguments(IPath, IPath, IPath, boolean)
	 */
	public String[] getRuntimeVMArguments(IPath installPath, IPath configPath, IPath deployPath, boolean isTestEnv) {
		List list = new ArrayList();
		list.add("-Dtomcat.home=\"" + installPath.toOSString() + "\"");
		// Include a system property for the configurable deploy location
		list.add("-Dwtp.deploy=\"" + deployPath.toOSString() + "\"");
		
		String[] s = new String[list.size()];
		list.toArray(s);
		return s;
	}

	/**
	 * @see ITomcatVersionHandler#getRuntimePolicyFile(IPath)
	 */
	public String getRuntimePolicyFile(IPath configPath) {
		return configPath.append("conf").append("tomcat.policy").toOSString();
	}

	/**
	 * @see ITomcatVersionHandler#canAddModule(IModule)
	 */
	public IStatus canAddModule(IModule module) {
		if ("2.2".equals(module.getModuleType().getVersion()))
			return Status.OK_STATUS;
		
		return new Status(IStatus.ERROR, TomcatPlugin.PLUGIN_ID, 0, Messages.errorSpec32, null);
	}

	/**
	 * @see ITomcatVersionHandler#getRuntimeBaseDirectory(TomcatServer)
	 */
	public IPath getRuntimeBaseDirectory(TomcatServer server) {
		return TomcatVersionHelper.getStandardBaseDirectory(server);
	}

	/**
	 * @see ITomcatVersionHandler#prepareRuntimeDirectory(IPath)
	 */
	public IStatus prepareRuntimeDirectory(IPath confDir) {
		if (Trace.isTraceEnabled())
			Trace.trace(Trace.FINER, "Preparing runtime directory");
		// Prepare instance directory structure that is relative to server.xml
		File temp = confDir.append("conf").toFile();
		if (!temp.exists())
			temp.mkdirs();
		temp = confDir.append("webapps").toFile();
		if (!temp.exists())
			temp.mkdirs();
		temp = confDir.append("work").toFile();
		if (!temp.exists())
			temp.mkdirs();

		return Status.OK_STATUS;		
	}

	/**
	 * @see ITomcatVersionHandler#prepareDeployDirectory(IPath)
	 */
	public IStatus prepareDeployDirectory(IPath deployPath) {
		return TomcatVersionHelper.createDeploymentDirectory(deployPath,
				TomcatVersionHelper.DEFAULT_WEBXML_SERVLET22);
	}
	
	/**
	 * @see ITomcatVersionHandler#prepareForServingDirectly(IPath, TomcatServer)
	 */
	public IStatus prepareForServingDirectly(IPath baseDir, TomcatServer server) {
		if (server.isServeModulesWithoutPublish())
			return new Status(IStatus.ERROR, TomcatPlugin.PLUGIN_ID, 0, Messages.errorNoPublishNotSupported, null);
		return Status.OK_STATUS;
	}
	
	/**
	 * @see ITomcatVersionHandler#getSharedLoader(IPath)
	 */
	public String getSharedLoader(IPath baseDir) {
		// Not supported
		return null;
	}
	
	/**
	 * Returns false since Tomcat 3.2 doesn't support this feature.
	 * 
	 * @return false since feature is not supported
	 */
	public boolean supportsServeModulesWithoutPublish() {
		return false;
	}

	/**
	 * @see ITomcatVersionHandler#supportsDebugArgument()
	 */
	public boolean supportsDebugArgument() {
		return true;
	}

	/**
	 * @see ITomcatVersionHandler#supportsSeparateContextFiles()
	 */
	public boolean supportsSeparateContextFiles() {
		return false;
	}
	
	/**
	 * @see ITomcatVersionHandler#getEndorsedDirectories(IPath)
	 */
	public String getEndorsedDirectories(IPath installPath) {
		return "";
	}
	
}