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/*******************************************************************************
* Copyright (c) 2004, 2008, 2009 Red Hat, Inc.
* 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:
* Keith Seitz <keiths@redhat.com> - initial API and implementation
* Kent Sebastian <ksebasti@redhat.com> -
*******************************************************************************/
package org.eclipse.linuxtools.internal.oprofile.core;
import java.io.IOException;
import java.net.URL;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Plugin;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.linuxtools.internal.oprofile.core.linux.LinuxOpxmlProvider;
import org.eclipse.swt.widgets.Display;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
/**
* The main plugin class to be used in the desktop.
*/
public class OprofileCorePlugin extends Plugin {
private static final String PLUGIN_ID = "org.eclipse.linuxtools.oprofile.core"; //$NON-NLS-1$
// The shared instance.
private static OprofileCorePlugin plugin;
public static final String DEBUG_PRINT_PREFIX = "DEBUG: "; //$NON-NLS-1$
/**
* The constructor.
*/
public OprofileCorePlugin() {
plugin = this;
}
/**
* This method is called when the plug-in is stopped
*/
@Override
public void stop(BundleContext context) throws Exception {
super.stop(context);
plugin = null;
}
/**
* Returns the shared instance.
*/
public static OprofileCorePlugin getDefault() {
return plugin;
}
/**
* Returns the unique id of this plugin. Should match plugin.xml!
*/
public static String getId() {
return PLUGIN_ID;
}
/**
* Returns the OpxmlProvider registered with the plugin or throws an exception
*
* @return the OpxmlProvider
*/
public IOpxmlProvider getOpxmlProvider() {
return new LinuxOpxmlProvider();
}
/**
* Creates an error status object
*
* @param errorClassString
* A string of the error class
* @param e
* The type of exception
* @return the status object of the error
*/
public static IStatus createErrorStatus(String errorClassString, Exception e) {
String statusMessage = OprofileProperties.getString(errorClassString + ".error.statusMessage"); //$NON-NLS-1$
if (e == null) {
return new Status(IStatus.ERROR, getId(), IStatus.OK, statusMessage, null);
} else {
return new Status(IStatus.ERROR, getId(), IStatus.OK, statusMessage, e);
}
}
/**
* Shows an error Dialog
*
* @param errorClassString
* A string of the error class
* @param ex
* The type of exception
*/
public static void showErrorDialog(String errorClassString, CoreException ex) {
final IStatus status;
final String dialogTitle = OprofileProperties.getString(errorClassString + ".error.dialog.title"); //$NON-NLS-1$
final String errorMessage = OprofileProperties.getString(errorClassString + ".error.dialog.message"); //$NON-NLS-1$
if (ex == null) {
status = createErrorStatus(errorClassString, null);
} else {
status = ex.getStatus();
}
// needs to be run in the ui thread otherwise swt throws invalid thread access
Display.getDefault().syncExec(() -> ErrorDialog.openError(null, dialogTitle, errorMessage, status));
}
/**
*
* @return {@code true} when platform was started in debug mode ({@code -debug}
* switch) and
* {@code org.eclipse.linuxtools.internal.oprofile.core/debug} is set in
* some .options file either in $HOME/.options or $(pwd)/.options.
*/
public static boolean isDebugMode() {
return Platform.inDebugMode() && Platform.getDebugOption(OprofileCorePlugin.getId() + "/debug") != null; //$NON-NLS-1$
}
/**
* Log a string message with the given severity in the error log.
*
* @param severity
* the severity of this exception
* @param msg
* the string message to be logged
*/
public static void log(int severity, String msg) {
plugin.getLog().log(new Status(severity, PLUGIN_ID, IStatus.OK, msg, null));
}
/**
* Returns the location of the plugin by checking the path of the bundle's
* locationURL.
*
* @return An absolute path representing the location of this plugin
*/
public String getPluginLocation() {
Bundle bundle = getBundle();
URL locationUrl = FileLocator.find(bundle, new Path("/"), null); //$NON-NLS-1$
URL fileUrl = null;
try {
fileUrl = FileLocator.toFileURL(locationUrl);
} catch (IOException e) {
e.printStackTrace();
}
return fileUrl.getFile();
}
}
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