rms/org.eclipse.ptp.rm.lml.core/src/org/eclipse/ptp/rm/lml/core/LMLCorePlugin.java - ptp/org.eclipse.ptp - Git at Google

 /*******************************************************************************
  * Copyright (c) 2005 The Regents of the University of California.
  * This material was produced under U.S. Government contract W-7405-ENG-36
  * for Los Alamos National Laboratory, which is operated by the University
  * of California for the U.S. Department of Energy. The U.S. Government has
  * rights to use, reproduce, and distribute this software. NEITHER THE
  * GOVERNMENT NOR THE UNIVERSITY MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR
  * ASSUMES ANY LIABILITY FOR THE USE OF THIS SOFTWARE. If software is modified
  * to produce derivative works, such modified software should be clearly marked,
  * so as not to confuse it with the version available from LANL.
  *
  * Additionally, 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
  *
  * LA-CC 04-115
  *
  * Modified by:
  * 		Claudia Knobloch, Forschungszentrum Juelich GmbH
  *******************************************************************************/
 package org.eclipse.ptp.rm.lml.core;

 import java.io.File;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.text.SimpleDateFormat;
 import java.util.MissingResourceException;
 import java.util.ResourceBundle;

 import javax.xml.XMLConstants;
 import javax.xml.bind.JAXBContext;
 import javax.xml.bind.JAXBException;
 import javax.xml.bind.Unmarshaller;
 import javax.xml.validation.Schema;
 import javax.xml.validation.SchemaFactory;

 import org.eclipse.core.resources.ISaveContext;
 import org.eclipse.core.resources.ISaveParticipant;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.FileLocator;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Platform;
 import org.eclipse.core.runtime.Plugin;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.ptp.rm.lml.core.messages.Messages;
 import org.eclipse.ptp.rm.lml.core.util.DebugUtil;
 import org.eclipse.ptp.rm.lml.internal.core.LMLManager;
 import org.osgi.framework.Bundle;
 import org.osgi.framework.BundleContext;
 import org.xml.sax.SAXException;

 public class LMLCorePlugin extends Plugin {
 	public static final String PLUGIN_ID = "org.eclipse.ptp.rm.lml.core"; //$NON-NLS-1$

 	// The shared instance.
 	private static LMLCorePlugin fPlugin;

 	/*
 	 * Unmarshaller for JAXB-generator
 	 */
 	private static Unmarshaller unmarshaller;

 	/*
 	 * DateFormat for (EEE MMM d HH:mm:ss yyyy)
 	 */
 	private SimpleDateFormat simpleDateFormat1;

 	/*
 	 * DateFormat for (EEE MMM dd HH:mm:ss yyyy)
 	 */
 	private SimpleDateFormat simpleDateFormat2;

 	/**
 	 * Returns the shared instance.
 	 */
 	public static LMLCorePlugin getDefault() {
 		return fPlugin;
 	}

 	/**
 	 * Returns the string from the plugin's resource bundle, or 'key' if not
 	 * found.
 	 */
 	public static String getResourceString(String key) {
 		ResourceBundle bundle = LMLCorePlugin.getDefault().getResourceBundle();
 		try {
 			return (bundle != null) ? bundle.getString(key) : key;
 		} catch (MissingResourceException e) {
 			return key;
 		}
 	}

 	/**
 	 * Generate a unique identifier
 	 *
 	 * @return unique identifier string
 	 */
 	public static String getUniqueIdentifier() {
 		if (getDefault() == null) {
 			// If the default instance is not yet initialized,
 			// return a static identifier. This identifier must
 			// match the plugin id defined in plugin.xml
 			return PLUGIN_ID;
 		}
 		return getDefault().getBundle().getSymbolicName();
 	}

 	/**
 	 * Create log entry from an IStatus
 	 *
 	 * @param status
 	 */
 	public static void log(IStatus status) {
 		getDefault().getLog().log(status);
 	}

 	/**
 	 * Create log entry from a string
 	 *
 	 * @param msg
 	 */
 	public static void log(String msg) {
 		if (DebugUtil.RM_TRACING) {
 			System.err.println(msg);
 		}
 		log(new Status(IStatus.ERROR, getUniqueIdentifier(), IStatus.ERROR, msg, null));
 	}

 	/**
 	 * Create log entry from a Throwable
 	 *
 	 * @param e
 	 */
 	public static void log(Throwable e) {
 		log(new Status(IStatus.ERROR, getUniqueIdentifier(), IStatus.ERROR, Messages.LMLCorePlugin_0, e));
 	}

 	/*
 	 * Resource bundle
 	 */
 	private ResourceBundle resourceBundle;
 	/*
 	 * ModelManager for this Eclipse session
 	 */
 	private ILMLManager lmlManager;

 	/**
 	 * The constructor.
 	 */
 	public LMLCorePlugin() {
 		super();

 		fPlugin = this;

 		try {
 			resourceBundle = ResourceBundle.getBundle(PLUGIN_ID + ".ParallelPluginResources"); //$NON-NLS-1$
 		} catch (MissingResourceException x) {
 			resourceBundle = null;
 		}
 	}

 	/**
 	 * Getting the corresponding SimpleDateFormat to a given length:
 	 *
 	 * @param length of a string
 	 * @return
 	 */
 	public SimpleDateFormat getSimpleDateFormat(int length) {
 		return length == simpleDateFormat1.toPattern().length() ? simpleDateFormat1 : simpleDateFormat2;
 	}

 	/**
 	 * Get the model manager
 	 *
 	 * @return the model manager
 	 */
 	public ILMLManager getLMLManager() {
 		return lmlManager;
 	}

 	/**
 	 * Get the JAXB unmarshaller.
 	 *
 	 * @return the JAXB unmarshaller
 	 */
 	public Unmarshaller getUnmarshaller() {
 		return unmarshaller;
 	}


 	/**
 	 * For the generation of instances from classes by JAXB a unmarshaller is needed. In the method the needed unmarshaller is created. It is said where the classes for the instantiation are.
 	 * @throws MalformedURLException
 	 * @throws JAXBException
 	 */
 	private void createUnmarshaller() throws MalformedURLException, JAXBException {
 		URL xsd = getBundle().getEntry("/schema/lgui.xsd");

 		JAXBContext jc = JAXBContext.newInstance("org.eclipse.ptp.rm.lml.internal.core.elements");

 		unmarshaller = jc.createUnmarshaller();

 		//if xsd is null => do not check for validity
 		if(xsd!=null){

 			Schema mySchema;
 			SchemaFactory sf = SchemaFactory.newInstance( XMLConstants.W3C_XML_SCHEMA_NS_URI );

 			try {

 				mySchema = sf.newSchema( xsd );
 			} catch( SAXException saxe ){
 				// ...(error handling)
 				mySchema = null;

 			}

 			//Connect schema to unmarshaller
 			unmarshaller.setSchema(mySchema);

 		}
 	}

 	/**
 	 * Returns the plugin's resource bundle,
 	 */
 	public ResourceBundle getResourceBundle() {
 		return resourceBundle;
 	}

 	/**
 	 * Locate the fragment for our architecture. This should really be phased
 	 * out, since there is now no guarantee that there will be local executables
 	 * for the proxy server or debugger.
 	 *
 	 * @param fragment
 	 * @param file
 	 * @return path to "bin" directory in fragment
 	 */
 	public String locateFragmentFile(String fragment, String file) {
 		Bundle[] frags = Platform.getFragments(Platform.getBundle(LMLCorePlugin.PLUGIN_ID));

 		if (frags != null) {
 			String os = Platform.getOS();
 			String arch = Platform.getOSArch();
 			String frag_os_arch = fragment + "." + os + "." + arch; //$NON-NLS-1$ //$NON-NLS-2$

 			for (int i = 0; i < frags.length; i++) {
 				Bundle frag = frags[i];
 				URL path = frag.getEntry("/"); //$NON-NLS-1$
 				try {
 					URL local_path = FileLocator.toFileURL(path);
 					String str_path = local_path.getPath();

 					/*
 					 * Check each fragment that matches our os and arch for a
 					 * bin directory.
 					 */

 					int idx = str_path.indexOf(frag_os_arch);
 					if (idx > 0) {
 						/*
 						 * found it! This is the right fragment for our OS &
 						 * arch
 						 */
 						String file_path = str_path + "bin/" + file; //$NON-NLS-1$
 						File f = new File(file_path);
 						if (f.exists()) {
 							return file_path;
 						}
 					}

 				} catch (Exception e) {
 				}
 			}
 		}

 		/* guess we never found it.... */
 		return null;
 	}

 	/**
 	 * This method is called upon plug-in activation
 	 */
 	@Override
 	public void start(BundleContext context) throws Exception {
 		super.start(context);
 		createUnmarshaller();
 		simpleDateFormat1 = new SimpleDateFormat("EEE MMM d HH:mm:ss yyyy");
 		simpleDateFormat2 = new SimpleDateFormat("EEE MMM dd HH:mm:ss yyyy");
 		DebugUtil.configurePluginDebugOptions();
 		ResourcesPlugin.getWorkspace().addSaveParticipant(getUniqueIdentifier(), new ISaveParticipant() {
 			public void saving(ISaveContext saveContext) throws CoreException {
 				Preferences.savePreferences(getUniqueIdentifier());
 			}

 			public void rollback(ISaveContext saveContext) {
 			}

 			public void prepareToSave(ISaveContext saveContext) throws CoreException {
 			}

 			public void doneSaving(ISaveContext saveContext) {
 			}
 		});
 		lmlManager = new LMLManager();
 	}

 	/**
 	 * This method is called when the plug-in is stopped
 	 */
 	@Override
 	public void stop(BundleContext context) throws Exception {
 		try {
 			Preferences.savePreferences(getUniqueIdentifier());
 			ResourcesPlugin.getWorkspace().removeSaveParticipant(getUniqueIdentifier());
 		} finally {
 			super.stop(context);
 			fPlugin = null;
 		}
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2005 The Regents of the University of California.
	* This material was produced under U.S. Government contract W-7405-ENG-36
	* for Los Alamos National Laboratory, which is operated by the University
	* of California for the U.S. Department of Energy. The U.S. Government has
	* rights to use, reproduce, and distribute this software. NEITHER THE
	* GOVERNMENT NOR THE UNIVERSITY MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR
	* ASSUMES ANY LIABILITY FOR THE USE OF THIS SOFTWARE. If software is modified
	* to produce derivative works, such modified software should be clearly marked,
	* so as not to confuse it with the version available from LANL.
	*
	* Additionally, 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
	*
	* LA-CC 04-115
	*
	* Modified by:
	* Claudia Knobloch, Forschungszentrum Juelich GmbH
	*******************************************************************************/
	package org.eclipse.ptp.rm.lml.core;

	import java.io.File;
	import java.net.MalformedURLException;
	import java.net.URL;
	import java.text.SimpleDateFormat;
	import java.util.MissingResourceException;
	import java.util.ResourceBundle;

	import javax.xml.XMLConstants;
	import javax.xml.bind.JAXBContext;
	import javax.xml.bind.JAXBException;
	import javax.xml.bind.Unmarshaller;
	import javax.xml.validation.Schema;
	import javax.xml.validation.SchemaFactory;

	import org.eclipse.core.resources.ISaveContext;
	import org.eclipse.core.resources.ISaveParticipant;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.FileLocator;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.Platform;
	import org.eclipse.core.runtime.Plugin;
	import org.eclipse.core.runtime.Status;
	import org.eclipse.ptp.rm.lml.core.messages.Messages;
	import org.eclipse.ptp.rm.lml.core.util.DebugUtil;
	import org.eclipse.ptp.rm.lml.internal.core.LMLManager;
	import org.osgi.framework.Bundle;
	import org.osgi.framework.BundleContext;
	import org.xml.sax.SAXException;

	public class LMLCorePlugin extends Plugin {
	public static final String PLUGIN_ID = "org.eclipse.ptp.rm.lml.core"; //$NON-NLS-1$

	// The shared instance.
	private static LMLCorePlugin fPlugin;

	/*
	* Unmarshaller for JAXB-generator
	*/
	private static Unmarshaller unmarshaller;

	/*
	* DateFormat for (EEE MMM d HH:mm:ss yyyy)
	*/
	private SimpleDateFormat simpleDateFormat1;

	/*
	* DateFormat for (EEE MMM dd HH:mm:ss yyyy)
	*/
	private SimpleDateFormat simpleDateFormat2;

	/**
	* Returns the shared instance.
	*/
	public static LMLCorePlugin getDefault() {
	return fPlugin;
	}

	/**
	* Returns the string from the plugin's resource bundle, or 'key' if not
	* found.
	*/
	public static String getResourceString(String key) {
	ResourceBundle bundle = LMLCorePlugin.getDefault().getResourceBundle();
	try {
	return (bundle != null) ? bundle.getString(key) : key;
	} catch (MissingResourceException e) {
	return key;
	}
	}

	/**
	* Generate a unique identifier
	*
	* @return unique identifier string
	*/
	public static String getUniqueIdentifier() {
	if (getDefault() == null) {
	// If the default instance is not yet initialized,
	// return a static identifier. This identifier must
	// match the plugin id defined in plugin.xml
	return PLUGIN_ID;
	}
	return getDefault().getBundle().getSymbolicName();
	}

	/**
	* Create log entry from an IStatus
	*
	* @param status
	*/
	public static void log(IStatus status) {
	getDefault().getLog().log(status);
	}

	/**
	* Create log entry from a string
	*
	* @param msg
	*/
	public static void log(String msg) {
	if (DebugUtil.RM_TRACING) {
	System.err.println(msg);
	}
	log(new Status(IStatus.ERROR, getUniqueIdentifier(), IStatus.ERROR, msg, null));
	}

	/**
	* Create log entry from a Throwable
	*
	* @param e
	*/
	public static void log(Throwable e) {
	log(new Status(IStatus.ERROR, getUniqueIdentifier(), IStatus.ERROR, Messages.LMLCorePlugin_0, e));
	}

	/*
	* Resource bundle
	*/
	private ResourceBundle resourceBundle;
	/*
	* ModelManager for this Eclipse session
	*/
	private ILMLManager lmlManager;

	/**
	* The constructor.
	*/
	public LMLCorePlugin() {
	super();

	fPlugin = this;

	try {
	resourceBundle = ResourceBundle.getBundle(PLUGIN_ID + ".ParallelPluginResources"); //$NON-NLS-1$
	} catch (MissingResourceException x) {
	resourceBundle = null;
	}
	}

	/**
	* Getting the corresponding SimpleDateFormat to a given length:
	*
	* @param length of a string
	* @return
	*/
	public SimpleDateFormat getSimpleDateFormat(int length) {
	return length == simpleDateFormat1.toPattern().length() ? simpleDateFormat1 : simpleDateFormat2;
	}

	/**
	* Get the model manager
	*
	* @return the model manager
	*/
	public ILMLManager getLMLManager() {
	return lmlManager;
	}

	/**
	* Get the JAXB unmarshaller.
	*
	* @return the JAXB unmarshaller
	*/
	public Unmarshaller getUnmarshaller() {
	return unmarshaller;
	}


	/**
	* For the generation of instances from classes by JAXB a unmarshaller is needed. In the method the needed unmarshaller is created. It is said where the classes for the instantiation are.
	* @throws MalformedURLException
	* @throws JAXBException
	*/
	private void createUnmarshaller() throws MalformedURLException, JAXBException {
	URL xsd = getBundle().getEntry("/schema/lgui.xsd");

	JAXBContext jc = JAXBContext.newInstance("org.eclipse.ptp.rm.lml.internal.core.elements");

	unmarshaller = jc.createUnmarshaller();

	//if xsd is null => do not check for validity
	if(xsd!=null){

	Schema mySchema;
	SchemaFactory sf = SchemaFactory.newInstance( XMLConstants.W3C_XML_SCHEMA_NS_URI );

	try {

	mySchema = sf.newSchema( xsd );
	} catch( SAXException saxe ){
	// ...(error handling)
	mySchema = null;

	}

	//Connect schema to unmarshaller
	unmarshaller.setSchema(mySchema);

	}
	}

	/**
	* Returns the plugin's resource bundle,
	*/
	public ResourceBundle getResourceBundle() {
	return resourceBundle;
	}

	/**
	* Locate the fragment for our architecture. This should really be phased
	* out, since there is now no guarantee that there will be local executables
	* for the proxy server or debugger.
	*
	* @param fragment
	* @param file
	* @return path to "bin" directory in fragment
	*/
	public String locateFragmentFile(String fragment, String file) {
	Bundle[] frags = Platform.getFragments(Platform.getBundle(LMLCorePlugin.PLUGIN_ID));

	if (frags != null) {
	String os = Platform.getOS();
	String arch = Platform.getOSArch();
	String frag_os_arch = fragment + "." + os + "." + arch; //$NON-NLS-1$ //$NON-NLS-2$

	for (int i = 0; i < frags.length; i++) {
	Bundle frag = frags[i];
	URL path = frag.getEntry("/"); //$NON-NLS-1$
	try {
	URL local_path = FileLocator.toFileURL(path);
	String str_path = local_path.getPath();

	/*
	* Check each fragment that matches our os and arch for a
	* bin directory.
	*/

	int idx = str_path.indexOf(frag_os_arch);
	if (idx > 0) {
	/*
	* found it! This is the right fragment for our OS &
	* arch
	*/
	String file_path = str_path + "bin/" + file; //$NON-NLS-1$
	File f = new File(file_path);
	if (f.exists()) {
	return file_path;
	}
	}

	} catch (Exception e) {
	}
	}
	}

	/* guess we never found it.... */
	return null;
	}

	/**
	* This method is called upon plug-in activation
	*/
	@Override
	public void start(BundleContext context) throws Exception {
	super.start(context);
	createUnmarshaller();
	simpleDateFormat1 = new SimpleDateFormat("EEE MMM d HH:mm:ss yyyy");
	simpleDateFormat2 = new SimpleDateFormat("EEE MMM dd HH:mm:ss yyyy");
	DebugUtil.configurePluginDebugOptions();
	ResourcesPlugin.getWorkspace().addSaveParticipant(getUniqueIdentifier(), new ISaveParticipant() {
	public void saving(ISaveContext saveContext) throws CoreException {
	Preferences.savePreferences(getUniqueIdentifier());
	}

	public void rollback(ISaveContext saveContext) {
	}

	public void prepareToSave(ISaveContext saveContext) throws CoreException {
	}

	public void doneSaving(ISaveContext saveContext) {
	}
	});
	lmlManager = new LMLManager();
	}

	/**
	* This method is called when the plug-in is stopped
	*/
	@Override
	public void stop(BundleContext context) throws Exception {
	try {
	Preferences.savePreferences(getUniqueIdentifier());
	ResourcesPlugin.getWorkspace().removeSaveParticipant(getUniqueIdentifier());
	} finally {
	super.stop(context);
	fPlugin = null;
	}
	}

	}