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/*******************************************************************************
* Copyright (c) 2011 Wind River Systems, Inc. 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipe.tcf.te.launch.ui.activator;
import java.io.File;
import java.io.IOException;
import org.eclipse.cdt.utils.elf.Elf;
import org.eclipse.cdt.utils.elf.Elf.ELFhdr;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.swt.graphics.Image;
import org.eclipse.tcf.te.runtime.tracing.TraceHandler;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;
/**
* The activator class controls the plug-in life cycle
*/
public class UIPlugin extends AbstractUIPlugin {
// The shared instance
private static UIPlugin plugin;
// The trace handler instance
private static TraceHandler traceHandler;
/**
* The constructor
*/
public UIPlugin() {
}
/**
* Returns the shared instance
*
* @return the shared instance
*/
public static UIPlugin getDefault() {
return plugin;
}
/**
* Convenience method which returns the unique identifier of this plugin.
*/
public static String getUniqueIdentifier() {
if (getDefault() != null && getDefault().getBundle() != null) {
return getDefault().getBundle().getSymbolicName();
}
return null;
}
/**
* Returns the bundles trace handler.
*
* @return The bundles trace handler.
*/
public static TraceHandler getTraceHandler() {
if (traceHandler == null) {
traceHandler = new TraceHandler(getUniqueIdentifier());
}
return traceHandler;
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
*/
@Override
public void start(BundleContext context) throws Exception {
super.start(context);
plugin = this;
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
*/
@Override
public void stop(BundleContext context) throws Exception {
plugin = null;
traceHandler = null;
super.stop(context);
}
/* (non-Javadoc)
* @see org.eclipse.ui.plugin.AbstractUIPlugin#initializeImageRegistry(org.eclipse.jface.resource.ImageRegistry)
*/
@Override
protected void initializeImageRegistry(ImageRegistry registry) {
}
/**
* Loads the image registered under the specified key from the image
* registry and returns the <code>Image</code> object instance.
*
* @param key The key the image is registered with.
* @return The <code>Image</code> object instance or <code>null</code>.
*/
public static Image getImage(String key) {
return getDefault().getImageRegistry().get(key);
}
/**
* Loads the image registered under the specified key from the image
* registry and returns the <code>ImageDescriptor</code> object instance.
*
* @param key The key the image is registered with.
* @return The <code>ImageDescriptor</code> object instance or <code>null</code>.
*/
public static ImageDescriptor getImageDescriptor(String key) {
return getDefault().getImageRegistry().getDescriptor(key);
}
/**
* Returns the ELF image type if the specified file is an ELF file at all.
*
* @param file The file representation of the physical file to test. Must be not <code>null</code>!
* @return The ELF image type as defined within <code>org.eclipse.cdt.utils.elf.Elf.Attribute</code>, or <code>-1</code> if invalid or not detectable.
*/
public int getELFType(File file) throws IOException {
int type = -1;
if (file != null) {
Elf elfFile = null;
try {
elfFile = new Elf(file.getAbsolutePath());
type = elfFile.getAttributes().getType();
}
finally {
if (elfFile != null) {
elfFile.dispose();
}
elfFile = null;
}
}
return type;
}
/**
* Returns the ELF address class if the specified file is an ELF file at all.
*
* @param file The file representation of the physical file to test. Must be not <code>null</code>!
* @return The ELF address class as defined within <code>org.eclipse.cdt.utils.elf.Elf.ELFhdr.ELFCLASS*</code>. <code>ELFCLASSNONE</code> (0) if the ELF address class is not set.
*/
public int getELFClass(File file) throws IOException {
int elfclass = Elf.ELFhdr.ELFCLASSNONE;
if (file != null) {
Elf elfFile = null;
try {
elfFile = new Elf(file.getAbsolutePath());
elfclass = elfFile.getELFhdr().e_ident[ELFhdr.EI_CLASS];
}
finally {
if (elfFile != null) {
elfFile.dispose();
}
elfFile = null;
}
}
return elfclass;
}
}
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