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/*****************************************************************************
* Copyright (c) 2009 Ken Gilmer
* 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:
* Ken Gilmer - initial API and implementation
*******************************************************************************/
package org.openembedded.bc.ui;
import java.io.File;
import java.io.IOException;
import java.io.Writer;
import java.lang.reflect.InvocationTargetException;
import java.util.Hashtable;
import java.util.Map;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.openembedded.bc.bitbake.BBSession;
import org.openembedded.bc.bitbake.ProjectInfoHelper;
import org.openembedded.bc.bitbake.ShellSession;
import org.openembedded.bc.ui.model.ProjectInfo;
import org.osgi.framework.BundleContext;
public class Activator extends AbstractUIPlugin {
// The plug-in ID
public static final String PLUGIN_ID = "org.openembedded.bc.ui";
public static final String IMAGE_VARIABLE = "IMAGE_VARIABLE";
public static final String IMAGE_FUNCTION = "IMAGE_FUNCTION";
// The shared instance
private static Activator plugin;
private static Map shellMap;
private static Map projInfoMap;
private static Hashtable bbSessionMap;
/**
* Get or create a BitBake session passing in ProjectInfo
*
* @param pinfo
* @return
* @throws IOException
*/
public static BBSession getBBSession(String projectRoot, Writer out) throws IOException {
if (bbSessionMap == null) {
bbSessionMap = new Hashtable();
}
BBSession bbs = (BBSession) bbSessionMap.get(projectRoot);
if (bbs == null) {
bbs = new BBSession(getShellSession(projectRoot, out), projectRoot);
bbSessionMap.put(projectRoot, bbs);
}
return bbs;
}
public static void clearBBSession(String projectRoot) {
bbSessionMap.remove(projectRoot);
}
/**
* Get or create a BitBake session passing in ProjectInfo
*
* @param pinfo
* @return
* @throws IOException
*/
public static BBSession getBBSession(String projectRoot) throws IOException {
if (bbSessionMap == null) {
bbSessionMap = new Hashtable();
}
BBSession bbs = (BBSession) bbSessionMap.get(projectRoot);
if (bbs == null) {
bbs = new BBSession(getShellSession(projectRoot, null), projectRoot);
bbSessionMap.put(projectRoot, bbs);
}
return bbs;
}
/**
* Returns the shared instance
*
* @return the shared instance
*/
public static Activator getDefault() {
return plugin;
}
/**
* Returns an image descriptor for the image file at the given plug-in
* relative path
*
* @param path
* the path
* @return the image descriptor
*/
public static ImageDescriptor getImageDescriptor(String path) {
return imageDescriptorFromPlugin(PLUGIN_ID, path);
}
public static ProjectInfo getProjInfo(String location) throws CoreException, InvocationTargetException, InterruptedException {
if (projInfoMap == null) {
projInfoMap = new Hashtable();
}
ProjectInfo pi = (ProjectInfo) projInfoMap.get(location);
if (pi == null) {
pi = new ProjectInfo();
pi.setLocation(location);
try {
pi.setInitScriptPath(ProjectInfoHelper.getInitScriptPath(location));
} catch (IOException e) {
throw new InvocationTargetException(e);
}
}
return pi;
}
/**
* @param absolutePath
* @return a cached shell session for a given project root.
* @throws IOException
*/
private static ShellSession getShellSession(String absolutePath, Writer out) throws IOException {
if (shellMap == null) {
shellMap = new Hashtable();
}
try {
ShellSession ss = (ShellSession) shellMap.get(absolutePath);
if (ss == null) {
ss = new ShellSession(ShellSession.SHELL_TYPE_BASH, new File(absolutePath), ProjectInfoHelper.getInitScriptPath(absolutePath), out);
}
return ss;
} catch (IOException e) {
Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Invalid bitbake commander project at " + absolutePath));
return null;
}
}
public static void putProjInfo(String location, ProjectInfo pinfo) {
if (projInfoMap == null) {
projInfoMap = new Hashtable();
}
projInfoMap.put(location, pinfo);
}
/**
* The constructor
*/
public Activator() {
this.getImageRegistry().put(IMAGE_VARIABLE, Activator.getImageDescriptor("icons/variable.gif"));
this.getImageRegistry().put(IMAGE_FUNCTION, Activator.getImageDescriptor("icons/function.gif"));
}
/*
* (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;
super.stop(context);
}
/**
* Reset a configuration
*
* @param path
*/
public static void resetBBSession(String path) {
shellMap.remove(path);
bbSessionMap.remove(path);
}
}
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