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/*******************************************************************************
* Copyright (c) 2012 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.common.ui.internal;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Status;
import org.eclipse.jpt.common.utility.internal.StringTools;
import org.eclipse.osgi.service.debug.DebugOptions;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;
import org.osgi.util.tracker.ServiceTracker;
/**
* Common Dali UI plug-in behavior.
* See JptPlugin
*/
public class JptUIPlugin
extends AbstractUIPlugin
{
protected BundleContext bundleContext;
protected ServiceTracker<DebugOptions, DebugOptions> debugOptionsServiceTracker;
protected JptUIPlugin() {
super();
}
// ********** logging **********
/**
* Log the specified message with a severity of
* {@link IStatus#ERROR ERROR}.
* @see #log(int, String)
* @see IStatus
*/
public void logError(String message) {
this.log(IStatus.ERROR, message);
}
/**
* Log the specified message with the specified severity.
* @see IStatus#getSeverity()
*/
public void log(int severity, String message) {
this.log(severity, message, null);
}
/**
* Log the specified exception or error with a severity of
* {@link IStatus#ERROR ERROR}.
* @see #log(int, Throwable)
* @see IStatus
*/
public void logError(Throwable throwable) {
this.log(IStatus.ERROR, throwable);
}
/**
* Log the specified exception or error with the specified severity.
* @see IStatus#getSeverity()
*/
public void log(int severity, Throwable throwable) {
this.log(severity, throwable.getLocalizedMessage(), throwable);
}
/**
* Log the specified message and exception or error with a severity of
* {@link IStatus#ERROR ERROR}.
* @see #log(int, String, Throwable)
* @see IStatus
*/
public void logError(String msg, Throwable throwable) {
this.log(IStatus.ERROR, msg, throwable);
}
/**
* Log the specified message and exception or error
* with the specified severity.
* @see IStatus#getSeverity()
* @see IStatus#getCode()
*/
public void log(int severity, String msg, Throwable throwable) {
this.log(severity, IStatus.OK, msg, throwable);
}
/**
* Log the specified message and exception or error
* with the specified severity and code.
* @see IStatus#getSeverity()
* @see IStatus#getCode()
*/
public void log(int severity, int code, String msg, Throwable throwable) {
this.getLog().log(new Status(severity, this.getPluginID(), code, msg, throwable));
}
// ********** debug options **********
/**
* Return the specified debug option as a <code>boolean</code> value.
* Return <code>false</code> if no such option is found.
* <p>
* The debug option is within the scope of the plug-in's debug options
* (e.g. for the plug-in <code>"org.eclipse.jpt.common.core"</code>,
* the specified option <code>"foo"</code> will be mapped to
* the {@link Platform} option
* <code>"org.eclipse.jpt.common.core/debug/foo"</code>).
*/
public boolean getBooleanDebugOption(String option) {
return this.getBooleanDebugOption(option, false);
}
/**
* Return the specified debug option as a <code>boolean</code> value.
* Return the specified default value if no such option is found.
* <p>
* The debug option is within the scope of the plug-in's debug options
* (e.g. for the plug-in <code>"org.eclipse.jpt.common.core"</code>,
* the specified option <code>"foo"</code> will be mapped to
* the {@link Platform} option
* <code>"org.eclipse.jpt.common.core/debug/foo"</code>).
*/
public boolean getBooleanDebugOption(String option, boolean defaultValue) {
String value = this.getDebugOption(option);
return (value == null) ? defaultValue : Boolean.parseBoolean(value.trim());
}
/**
* Return the specified debug option as an <code>int</code> value.
* Return <code>-1</code> if no such option is found.
* <p>
* The debug option is within the scope of the plug-in's debug options
* (e.g. for the plug-in <code>"org.eclipse.jpt.common.core"</code>,
* the specified option <code>"foo"</code> will be mapped to
* the {@link Platform} option
* <code>"org.eclipse.jpt.common.core/debug/foo"</code>).
*/
public int getIntegerDebugOption(String option) {
return this.getIntegerDebugOption(option, -1);
}
/**
* Return the specified debug option as an <code>int</code> value.
* Return the specified default value if no such option is found.
* <p>
* The debug option is within the scope of the plug-in's debug options
* (e.g. for the plug-in <code>"org.eclipse.jpt.common.core"</code>,
* the specified option <code>"foo"</code> will be mapped to
* the {@link Platform} option
* <code>"org.eclipse.jpt.common.core/debug/foo"</code>).
*/
public int getIntegerDebugOption(String option, int defaultValue) {
String value = this.getDebugOption(option);
return (value == null) ? defaultValue : Integer.parseInt(value.trim());
}
/**
* Return the specified debug option.
* Return <code>null</code> if no such option is found.
* <p>
* The debug option is within the scope of the plug-in's debug options
* (e.g. for the plug-in <code>"org.eclipse.jpt.common.core"</code>,
* the specified option <code>"foo"</code> will be mapped to
* the {@link Platform} option
* <code>"org.eclipse.jpt.common.core/debug/foo"</code>).
*/
public String getDebugOption(String option) {
return this.getDebugOption(option, null);
}
/**
* Return the specified debug option.
* Return the specified default value if no such option is found.
* <p>
* The debug option is within the scope of the plug-in's debug options
* (e.g. for the plug-in <code>"org.eclipse.jpt.common.core"</code>,
* the specified option <code>"foo"</code> will be mapped to
* the {@link Platform} option
* <code>"org.eclipse.jpt.common.core/debug/foo"</code>).
*/
public String getDebugOption(String option, String defaultValue) {
return this.isDebugging() ? this.getDebugOption_(option, defaultValue) : defaultValue;
}
protected String getDebugOption_(String option, String defaultValue) {
if (StringTools.stringIsEmpty(option)) {
throw new IllegalArgumentException("debug option cannot be blank"); //$NON-NLS-1$
}
String value = this.getDebugOption_(option);
return (value != null) ? value : defaultValue;
}
protected String getDebugOption_(String option) {
DebugOptions debugOptions = this.getDebugOptions();
return (debugOptions == null) ? null : debugOptions.getOption(this.getPluginDebugOption() + option);
}
protected DebugOptions getDebugOptions() {
ServiceTracker<DebugOptions, DebugOptions> tracker = this.getDebugOptionsServiceTracker();
return (tracker == null) ? null : tracker.getService();
}
private synchronized ServiceTracker<DebugOptions, DebugOptions> getDebugOptionsServiceTracker() {
if (this.isActive() && (this.debugOptionsServiceTracker == null)) {
this.debugOptionsServiceTracker = this.buildDebugOptionsServiceTracker();
this.debugOptionsServiceTracker.open();
}
return this.debugOptionsServiceTracker;
}
private ServiceTracker<DebugOptions, DebugOptions> buildDebugOptionsServiceTracker() {
return new ServiceTracker<DebugOptions, DebugOptions>(this.bundleContext, DebugOptions.class, null);
}
/**
* Return the plug-in's debug option path.
*/
protected String getPluginDebugOption() {
return this.getPluginID() + DEBUG_OPTION_SCOPE;
}
protected static final String DEBUG_OPTION_SCOPE = "/debug/"; //$NON-NLS-1$
// ********** plug-in lifecycle **********
@Override
public synchronized void start(BundleContext context) throws Exception {
super.start(context);
this.bundleContext = context;
}
@Override
public synchronized void stop(BundleContext context) throws Exception {
try {
this.stop_();
} finally {
this.bundleContext = null;
super.stop(context);
}
}
protected void stop_() throws Exception {
if (this.debugOptionsServiceTracker != null) {
this.debugOptionsServiceTracker.close();
this.debugOptionsServiceTracker = null;
}
}
// ********** misc **********
public String getPluginID() {
return this.getBundle().getSymbolicName();
}
/**
* Return whether the plug-in is active; i.e. it has been
* {@link #start(BundleContext) started}.
*/
public synchronized boolean isActive() {
return this.bundleContext != null;
}
/**
* Return whether the plug-in is inactive; i.e. it has been
* {@link #stop(BundleContext) stopped} or not yet
* {@link #start(BundleContext) started}.
*/
public boolean isInactive() {
return ! this.isActive();
}
}
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