Copyright (c) 2000, 2012 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2000, 2012 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.launching;


import java.io.File;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunch;
import org.eclipse.debug.core.model.IProcess;
import org.eclipse.jdt.launching.IVMInstall;
import org.eclipse.jdt.launching.JavaRuntime;
import org.eclipse.jdt.launching.LibraryLocation;
import org.eclipse.jdt.launching.VMRunnerConfiguration;

import com.ibm.icu.text.DateFormat;

A 1.1.x VM runner
/**
 * A 1.1.x VM runner
 */
public class Standard11xVMRunner extends StandardVMRunner {

	public Standard11xVMRunner(IVMInstall vmInstance) {
		super(vmInstance);
	}

	/* (non-Javadoc)
	 * @see org.eclipse.jdt.launching.IVMRunner#run(org.eclipse.jdt.launching.VMRunnerConfiguration, org.eclipse.debug.core.ILaunch, org.eclipse.core.runtime.IProgressMonitor)
	 */
	@Override
	public void run(VMRunnerConfiguration config, ILaunch launch, IProgressMonitor monitor) throws CoreException {
		if (monitor == null) {
			monitor = new NullProgressMonitor();
		}
		IProgressMonitor subMonitor = new SubProgressMonitor(monitor, 1);
		subMonitor.beginTask(LaunchingMessages.StandardVMRunner_Launching_VM____1, 2);
		subMonitor.subTask(LaunchingMessages.StandardVMRunner_Constructing_command_line____2); //

		String program= constructProgramString(config);

		List<String> arguments= new ArrayList<>();
		arguments.add(program);

		// VM arguments are the first thing after the java program so that users can specify
		// options like '-client' & '-server' which are required to be the first option
		String[] vmArgs= combineVmArgs(config, fVMInstance);
		addArguments(vmArgs, arguments);

		String[] bootCP= config.getBootClassPath();
		String[] classPath = config.getClassPath();

		String[] combinedPath = null;
		if (bootCP == null) {
			LibraryLocation[] locs = JavaRuntime.getLibraryLocations(fVMInstance);
			bootCP = new String[locs.length];
			for (int i = 0; i < locs.length; i++) {
				bootCP[i] = locs[i].getSystemLibraryPath().toOSString();
			}
		}

		combinedPath = new String[bootCP.length + classPath.length];
		int offset = 0;
		for (int i = 0; i < bootCP.length; i++) {
			combinedPath[offset] = bootCP[i];
			offset++;
		}
		for (int i = 0; i < classPath.length; i++) {
			combinedPath[offset] = classPath[i];
			offset++;
		}
		if (combinedPath.length > 0) {
			arguments.add("-classpath"); //$NON-NLS-1$
			arguments.add(convertClassPath(combinedPath));
		}
		arguments.add(config.getClassToLaunch());

		String[] programArgs= config.getProgramArguments();

		String[] envp = prependJREPath(config.getEnvironment());
		int lastVMArgumentIndex = arguments.size() - 1;
		addArguments(programArgs, arguments);

		String[] cmdLine= new String[arguments.size()];
		arguments.toArray(cmdLine);

		// check for cancellation
		if (monitor.isCanceled()) {
			return;
		}
		File workingDir = getWorkingDir(config);
		ClasspathShortener classpathShortener = new ClasspathShortener(fVMInstance, launch, cmdLine, lastVMArgumentIndex, workingDir, envp);
		if (classpathShortener.shortenCommandLineIfNecessary()) {
			cmdLine = classpathShortener.getCmdLine();
			envp = classpathShortener.getEnvp();
		}

		subMonitor.worked(1);
		subMonitor.subTask(LaunchingMessages.StandardVMRunner_Starting_virtual_machine____3);

		Process p= null;
		String[] newCmdLine = validateCommandLine(launch.getLaunchConfiguration(), cmdLine);
		if(newCmdLine != null) {
			cmdLine = newCmdLine;
		}
		p= exec(cmdLine, workingDir, envp);
		if (p == null) {
			return;
		}

		// check for cancellation
		if (monitor.isCanceled()) {
			p.destroy();
			return;
		}
		String timestamp = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.MEDIUM).format(new Date(System.currentTimeMillis()));
		IProcess process= DebugPlugin.newProcess(launch, p, renderProcessLabel(cmdLine, timestamp));
		process.setAttribute(DebugPlugin.ATTR_PATH, cmdLine[0]);
		process.setAttribute(IProcess.ATTR_CMDLINE, renderCommandLine(cmdLine));
		String ltime = launch.getAttribute(DebugPlugin.ATTR_LAUNCH_TIMESTAMP);
		process.setAttribute(DebugPlugin.ATTR_LAUNCH_TIMESTAMP, ltime != null ? ltime : timestamp);
		if(workingDir != null) {
			process.setAttribute(DebugPlugin.ATTR_WORKING_DIRECTORY, workingDir.getAbsolutePath());
		}
		if (!classpathShortener.getProcessTempFiles().isEmpty()) {
			String tempFiles = classpathShortener.getProcessTempFiles().stream().map(file -> file.getAbsolutePath()).collect(Collectors.joining(File.pathSeparator));
			process.setAttribute(LaunchingPlugin.ATTR_LAUNCH_TEMP_FILES, tempFiles);
		}
		subMonitor.worked(1);
	}
}