plugins/org.eclipse.jst.server.tomcat.core/tomcatcore/org/eclipse/jst/server/tomcat/core/internal/TomcatRuntime.java - servertools/webtools.servertools - Git at Google

 /*******************************************************************************
  * Copyright (c) 2003, 2007 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.text.MessageFormat;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;

 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.core.runtime.Platform;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.debug.core.ILaunch;
 import org.eclipse.debug.core.ILaunchManager;
 import org.eclipse.debug.core.Launch;
 import org.eclipse.debug.core.model.IStreamsProxy;
 import org.eclipse.jdt.launching.*;

 import org.eclipse.wst.server.core.IRuntimeType;
 import org.eclipse.wst.server.core.model.RuntimeDelegate;
 /**
  *
  */
 public class TomcatRuntime extends RuntimeDelegate implements ITomcatRuntime, ITomcatRuntimeWorkingCopy {
 	protected static final String PROP_VM_INSTALL_TYPE_ID = "vm-install-type-id";
 	protected static final String PROP_VM_INSTALL_ID = "vm-install-id";

 	protected static Map sdkMap = new HashMap(2);

 	public TomcatRuntime() {
 		// do nothing
 	}

 	public ITomcatVersionHandler getVersionHandler() {
 		IRuntimeType type = getRuntime().getRuntimeType();
 		return TomcatPlugin.getTomcatVersionHandler(type.getId());
 	}

 	protected String getVMInstallTypeId() {
 		return getAttribute(PROP_VM_INSTALL_TYPE_ID, (String)null);
 	}

 	protected String getVMInstallId() {
 		return getAttribute(PROP_VM_INSTALL_ID, (String)null);
 	}

 	public boolean isUsingDefaultJRE() {
 		return getVMInstallTypeId() == null;
 	}

 	public IVMInstall getVMInstall() {
 		if (getVMInstallTypeId() == null)
 			return JavaRuntime.getDefaultVMInstall();
 		try {
 			IVMInstallType vmInstallType = JavaRuntime.getVMInstallType(getVMInstallTypeId());
 			IVMInstall[] vmInstalls = vmInstallType.getVMInstalls();
 			int size = vmInstalls.length;
 			String id = getVMInstallId();
 			for (int i = 0; i < size; i++) {
 				if (id.equals(vmInstalls[i].getId()))
 					return vmInstalls[i];
 			}
 		} catch (Exception e) {
 			// ignore
 		}
 		return null;
 	}

 	public List getRuntimeClasspath() {
 		return getVersionHandler().getRuntimeClasspath(getRuntime().getLocation());
 	}

 	/**
 	 * Verifies the Tomcat installation directory. If it is
 	 * correct, true is returned. Otherwise, the user is notified
 	 * and false is returned.
 	 * @return boolean
 	 */
 	public IStatus verifyLocation() {
 		return getVersionHandler().verifyInstallPath(getRuntime().getLocation());
 	}

 	/*
 	 * Validate the runtime
 	 */
 	public IStatus validate() {
 		IStatus status = super.validate();
 		if (!status.isOK())
 			return status;

 		status = verifyLocation();
 		if (!status.isOK())
 			return status;
 //			return new Status(IStatus.ERROR, TomcatPlugin.PLUGIN_ID, 0, Messages.errorInstallDir, null);
 		// don't accept trailing space since that can cause startup problems
 		if (getRuntime().getLocation().hasTrailingSeparator())
 			return new Status(IStatus.ERROR, TomcatPlugin.PLUGIN_ID, 0, Messages.errorInstallDirTrailingSlash, null);
 		if (getVMInstall() == null)
 			return new Status(IStatus.ERROR, TomcatPlugin.PLUGIN_ID, 0, Messages.errorJRE, null);

 		// check for tools.jar (contains the javac compiler on Windows & Linux) to see whether
 		// Tomcat will be able to compile JSPs.
 		boolean found = false;
 		File file = getVMInstall().getInstallLocation();
 		if (file != null) {
 			File toolsJar = new File(file, "lib" + File.separator + "tools.jar");
 			if (toolsJar.exists())
 				found = true;
 		}

 		// on Tomcat 5.5 and 6.0, the Eclipse JDT compiler is used for JSP's
 		String id = getRuntime().getRuntimeType().getId();
 		if (!found) {
 			if (id != null && (id.indexOf("55") > 0 || id.indexOf("60") > 0))
 				found = true;
 		}

 		// on Mac, tools.jar is merged into classes.zip. if tools.jar wasn't found,
 		// try loading the javac class by running a check inside the VM
 		if (!found) {
 			String os = Platform.getOS();
 			if (os != null && os.toLowerCase().indexOf("mac") >= 0)
 				found = checkForCompiler();
 		}

 		if (!found)
 			return new Status(IStatus.WARNING, TomcatPlugin.PLUGIN_ID, 0, Messages.warningJRE, null);

 		File f = getRuntime().getLocation().append("conf").toFile();
 		File[] conf = f.listFiles();
 		if (conf != null) {
 			int size = conf.length;
 			for (int i = 0; i < size; i++) {
 				if (!f.canRead())
 					return new Status(IStatus.WARNING, TomcatPlugin.PLUGIN_ID, 0, Messages.warningCantReadConfig, null);
 			}
 		}

 		// For Tomcat 6.0, ensure we have J2SE 5.0
 		if (id != null && id.indexOf("60") > 0) {
 			IVMInstall vmInstall = getVMInstall();
 			if (vmInstall instanceof IVMInstall2) {
 				String javaVersion = ((IVMInstall2)vmInstall).getJavaVersion();
 				if (javaVersion != null && javaVersion.compareTo("1.5") < 0) {
 					return new Status(IStatus.ERROR, TomcatPlugin.PLUGIN_ID, 0, Messages.errorJRETomcat60, null);
 				}
 			}
 		}

 		return Status.OK_STATUS;
 	}

 	/**
 	 * @see RuntimeDelegate#setDefaults(IProgressMonitor)
 	 */
 	public void setDefaults(IProgressMonitor monitor) {
 		IRuntimeType type = getRuntimeWorkingCopy().getRuntimeType();
 		getRuntimeWorkingCopy().setLocation(new Path(TomcatPlugin.getPreference("location" + type.getId())));
 	}

 	public void setVMInstall(IVMInstall vmInstall) {
 		if (vmInstall == null) {
 			setVMInstall(null, null);
 		} else
 			setVMInstall(vmInstall.getVMInstallType().getId(), vmInstall.getId());
 	}

 	protected void setVMInstall(String typeId, String id) {
 		if (typeId == null)
 			setAttribute(PROP_VM_INSTALL_TYPE_ID, (String)null);
 		else
 			setAttribute(PROP_VM_INSTALL_TYPE_ID, typeId);

 		if (id == null)
 			setAttribute(PROP_VM_INSTALL_ID, (String)null);
 		else
 			setAttribute(PROP_VM_INSTALL_ID, id);
 	}

 	/**
 	 * Checks for the existance of the Java compiler in the given java
 	 * executable. A main program is run (<code>org.eclipse.jst.tomcat.core.
 	 * internal.ClassDetector</code>), that dumps a true or false value
 	 * depending on whether the compiler is found. This output is then
 	 * parsed and cached for future reference.
 	 *
 	 * @return true if the compiler was found
 	 */
 	protected boolean checkForCompiler() {
 		// first try the cache
 		File javaHome = getVMInstall().getInstallLocation();
 		try {
 			Boolean b = (Boolean) sdkMap.get(javaHome);
 			return b.booleanValue();
 		} catch (Exception e) {
 			// ignore
 		}

 		// locate tomcatcore.jar - it contains the class detector main program
 		File file = TomcatPlugin.getPlugin();
 		if (file != null && file.exists()) {
 			IVMRunner vmRunner = getVMInstall().getVMRunner(ILaunchManager.RUN_MODE);
 			VMRunnerConfiguration config = new VMRunnerConfiguration("org.eclipse.jst.server.tomcat.core.internal.ClassDetector", new String[] { file.getAbsolutePath() });
 			config.setProgramArguments(new String[] { "com.sun.tools.javac.Main" });
 			ILaunch launch = new Launch(null, ILaunchManager.RUN_MODE, null);
 			try {
 				vmRunner.run(config, launch, null);
 				for (int i = 0; i < 200; i++) {
 					// wait no more than 10 seconds (200 * 50 mils)
 					if (launch.isTerminated()) {
 						break;
 					}
 					try {
 						Thread.sleep(50);
 					} catch (InterruptedException e) {
 						// ignore
 					}
 				}
 				IStreamsProxy streamsProxy = launch.getProcesses()[0].getStreamsProxy();
 				String text = null;
 				if (streamsProxy != null) {
 					text = streamsProxy.getOutputStreamMonitor().getContents();

 					if (text != null && text.length() > 0) {
 						boolean found = false;
 						if ("true".equals(text))
 							found = true;

 						sdkMap.put(javaHome, new Boolean(found));
 						return found;
 					}
 				}
 			} catch (Exception e) {
 				Trace.trace(Trace.SEVERE, "Error checking for JDK", e);
 			} finally {
 				if (!launch.isTerminated()) {
 					try {
 						launch.terminate();
 					} catch (Exception ex) {
 						// ignore
 					}
 				}
 			}
 		}

 		// log error that we were unable to check for the compiler
 		TomcatPlugin.log(MessageFormat.format("Failed compiler check for {0}", new String[] { javaHome.getAbsolutePath() }));
 		return false;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2003, 2007 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.text.MessageFormat;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Map;

	import org.eclipse.core.runtime.IProgressMonitor;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.core.runtime.Platform;
	import org.eclipse.core.runtime.Status;
	import org.eclipse.debug.core.ILaunch;
	import org.eclipse.debug.core.ILaunchManager;
	import org.eclipse.debug.core.Launch;
	import org.eclipse.debug.core.model.IStreamsProxy;
	import org.eclipse.jdt.launching.*;

	import org.eclipse.wst.server.core.IRuntimeType;
	import org.eclipse.wst.server.core.model.RuntimeDelegate;
	/**
	*
	*/
	public class TomcatRuntime extends RuntimeDelegate implements ITomcatRuntime, ITomcatRuntimeWorkingCopy {
	protected static final String PROP_VM_INSTALL_TYPE_ID = "vm-install-type-id";
	protected static final String PROP_VM_INSTALL_ID = "vm-install-id";

	protected static Map sdkMap = new HashMap(2);

	public TomcatRuntime() {
	// do nothing
	}

	public ITomcatVersionHandler getVersionHandler() {
	IRuntimeType type = getRuntime().getRuntimeType();
	return TomcatPlugin.getTomcatVersionHandler(type.getId());
	}

	protected String getVMInstallTypeId() {
	return getAttribute(PROP_VM_INSTALL_TYPE_ID, (String)null);
	}

	protected String getVMInstallId() {
	return getAttribute(PROP_VM_INSTALL_ID, (String)null);
	}

	public boolean isUsingDefaultJRE() {
	return getVMInstallTypeId() == null;
	}

	public IVMInstall getVMInstall() {
	if (getVMInstallTypeId() == null)
	return JavaRuntime.getDefaultVMInstall();
	try {
	IVMInstallType vmInstallType = JavaRuntime.getVMInstallType(getVMInstallTypeId());
	IVMInstall[] vmInstalls = vmInstallType.getVMInstalls();
	int size = vmInstalls.length;
	String id = getVMInstallId();
	for (int i = 0; i < size; i++) {
	if (id.equals(vmInstalls[i].getId()))
	return vmInstalls[i];
	}
	} catch (Exception e) {
	// ignore
	}
	return null;
	}

	public List getRuntimeClasspath() {
	return getVersionHandler().getRuntimeClasspath(getRuntime().getLocation());
	}

	/**
	* Verifies the Tomcat installation directory. If it is
	* correct, true is returned. Otherwise, the user is notified
	* and false is returned.
	* @return boolean
	*/
	public IStatus verifyLocation() {
	return getVersionHandler().verifyInstallPath(getRuntime().getLocation());
	}

	/*
	* Validate the runtime
	*/
	public IStatus validate() {
	IStatus status = super.validate();
	if (!status.isOK())
	return status;

	status = verifyLocation();
	if (!status.isOK())
	return status;
	// return new Status(IStatus.ERROR, TomcatPlugin.PLUGIN_ID, 0, Messages.errorInstallDir, null);
	// don't accept trailing space since that can cause startup problems
	if (getRuntime().getLocation().hasTrailingSeparator())
	return new Status(IStatus.ERROR, TomcatPlugin.PLUGIN_ID, 0, Messages.errorInstallDirTrailingSlash, null);
	if (getVMInstall() == null)
	return new Status(IStatus.ERROR, TomcatPlugin.PLUGIN_ID, 0, Messages.errorJRE, null);

	// check for tools.jar (contains the javac compiler on Windows & Linux) to see whether
	// Tomcat will be able to compile JSPs.
	boolean found = false;
	File file = getVMInstall().getInstallLocation();
	if (file != null) {
	File toolsJar = new File(file, "lib" + File.separator + "tools.jar");
	if (toolsJar.exists())
	found = true;
	}

	// on Tomcat 5.5 and 6.0, the Eclipse JDT compiler is used for JSP's
	String id = getRuntime().getRuntimeType().getId();
	if (!found) {
	if (id != null && (id.indexOf("55") > 0 \|\| id.indexOf("60") > 0))
	found = true;
	}

	// on Mac, tools.jar is merged into classes.zip. if tools.jar wasn't found,
	// try loading the javac class by running a check inside the VM
	if (!found) {
	String os = Platform.getOS();
	if (os != null && os.toLowerCase().indexOf("mac") >= 0)
	found = checkForCompiler();
	}

	if (!found)
	return new Status(IStatus.WARNING, TomcatPlugin.PLUGIN_ID, 0, Messages.warningJRE, null);

	File f = getRuntime().getLocation().append("conf").toFile();
	File[] conf = f.listFiles();
	if (conf != null) {
	int size = conf.length;
	for (int i = 0; i < size; i++) {
	if (!f.canRead())
	return new Status(IStatus.WARNING, TomcatPlugin.PLUGIN_ID, 0, Messages.warningCantReadConfig, null);
	}
	}

	// For Tomcat 6.0, ensure we have J2SE 5.0
	if (id != null && id.indexOf("60") > 0) {
	IVMInstall vmInstall = getVMInstall();
	if (vmInstall instanceof IVMInstall2) {
	String javaVersion = ((IVMInstall2)vmInstall).getJavaVersion();
	if (javaVersion != null && javaVersion.compareTo("1.5") < 0) {
	return new Status(IStatus.ERROR, TomcatPlugin.PLUGIN_ID, 0, Messages.errorJRETomcat60, null);
	}
	}
	}

	return Status.OK_STATUS;
	}

	/**
	* @see RuntimeDelegate#setDefaults(IProgressMonitor)
	*/
	public void setDefaults(IProgressMonitor monitor) {
	IRuntimeType type = getRuntimeWorkingCopy().getRuntimeType();
	getRuntimeWorkingCopy().setLocation(new Path(TomcatPlugin.getPreference("location" + type.getId())));
	}

	public void setVMInstall(IVMInstall vmInstall) {
	if (vmInstall == null) {
	setVMInstall(null, null);
	} else
	setVMInstall(vmInstall.getVMInstallType().getId(), vmInstall.getId());
	}

	protected void setVMInstall(String typeId, String id) {
	if (typeId == null)
	setAttribute(PROP_VM_INSTALL_TYPE_ID, (String)null);
	else
	setAttribute(PROP_VM_INSTALL_TYPE_ID, typeId);

	if (id == null)
	setAttribute(PROP_VM_INSTALL_ID, (String)null);
	else
	setAttribute(PROP_VM_INSTALL_ID, id);
	}

	/**
	* Checks for the existance of the Java compiler in the given java
	* executable. A main program is run (<code>org.eclipse.jst.tomcat.core.
	* internal.ClassDetector</code>), that dumps a true or false value
	* depending on whether the compiler is found. This output is then
	* parsed and cached for future reference.
	*
	* @return true if the compiler was found
	*/
	protected boolean checkForCompiler() {
	// first try the cache
	File javaHome = getVMInstall().getInstallLocation();
	try {
	Boolean b = (Boolean) sdkMap.get(javaHome);
	return b.booleanValue();
	} catch (Exception e) {
	// ignore
	}

	// locate tomcatcore.jar - it contains the class detector main program
	File file = TomcatPlugin.getPlugin();
	if (file != null && file.exists()) {
	IVMRunner vmRunner = getVMInstall().getVMRunner(ILaunchManager.RUN_MODE);
	VMRunnerConfiguration config = new VMRunnerConfiguration("org.eclipse.jst.server.tomcat.core.internal.ClassDetector", new String[] { file.getAbsolutePath() });
	config.setProgramArguments(new String[] { "com.sun.tools.javac.Main" });
	ILaunch launch = new Launch(null, ILaunchManager.RUN_MODE, null);
	try {
	vmRunner.run(config, launch, null);
	for (int i = 0; i < 200; i++) {
	// wait no more than 10 seconds (200 * 50 mils)
	if (launch.isTerminated()) {
	break;
	}
	try {
	Thread.sleep(50);
	} catch (InterruptedException e) {
	// ignore
	}
	}
	IStreamsProxy streamsProxy = launch.getProcesses()[0].getStreamsProxy();
	String text = null;
	if (streamsProxy != null) {
	text = streamsProxy.getOutputStreamMonitor().getContents();

	if (text != null && text.length() > 0) {
	boolean found = false;
	if ("true".equals(text))
	found = true;

	sdkMap.put(javaHome, new Boolean(found));
	return found;
	}
	}
	} catch (Exception e) {
	Trace.trace(Trace.SEVERE, "Error checking for JDK", e);
	} finally {
	if (!launch.isTerminated()) {
	try {
	launch.terminate();
	} catch (Exception ex) {
	// ignore
	}
	}
	}
	}

	// log error that we were unable to check for the compiler
	TomcatPlugin.log(MessageFormat.format("Failed compiler check for {0}", new String[] { javaHome.getAbsolutePath() }));
	return false;
	}
	}