plugins/org.symbian.tools.tmw.debug/src/org/symbian/tools/tmw/debug/internal/launch/WebApplicationSourceLocator.java
/**
* Copyright (c) 2010 Symbian Foundation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of the License "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Symbian Foundation - initial contribution.
* Contributors:
* Description:
* Overview:
* Details:
* Platforms/Drives/Compatibility:
* Assumptions/Requirement/Pre-requisites:
* Failures and causes:
*/
package org.symbian.tools.tmw.debug.internal.launch;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import org.chromium.debug.core.model.StackFrame;
import org.chromium.sdk.Script;
import org.eclipse.core.filesystem.EFS;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.debug.core.model.ISourceLocator;
import org.eclipse.debug.core.model.IStackFrame;
import org.eclipse.debug.core.sourcelookup.AbstractSourceLookupDirector;
import org.eclipse.debug.core.sourcelookup.AbstractSourceLookupParticipant;
import org.eclipse.debug.core.sourcelookup.ISourceLookupDirector;
import org.eclipse.debug.core.sourcelookup.ISourceLookupParticipant;
import org.symbian.tools.tmw.debug.internal.Activator;
import org.symbian.tools.tmw.debug.internal.model.ResourceManager;
import org.symbian.tools.tmw.previewer.PreviewerPlugin;
import org.symbian.tools.tmw.previewer.http.WebappManager;
public final class WebApplicationSourceLocator extends AbstractSourceLookupDirector implements ISourceLocator,
ISourceLookupDirector {
public static final class WebApplicationSourceLookupParticipant extends AbstractSourceLookupParticipant {
private final ResourceManager resourceManager;
private final WebApplicationSourceLocator locator;
public WebApplicationSourceLookupParticipant(WebApplicationSourceLocator locator,
ResourceManager resourceManager) {
this.locator = locator;
this.resourceManager = resourceManager;
}
public String getSourceName(Object object) throws CoreException {
Script script = null;
if (object instanceof StackFrame) {
script = ((StackFrame) object).getCallFrame().getScript();
} else if (object instanceof Script) {
script = (Script) object;
} else {
System.out.println("Source lookup request for " + object.getClass());
}
if (script != null) {
IFile resource = resourceManager.getResource(script);
if (resource != null) {
return resource.getProjectRelativePath().toString();
} else {
return locator.fileUrl(script);
}
}
return null;
}
}
private final ResourceManager resourceManager;
public WebApplicationSourceLocator(ResourceManager resourceManager) {
this.resourceManager = resourceManager;
}
public String fileUrl(Script script) throws CoreException {
String name = script.getName();
try {
URI uri = new URI(name);
if ("http".equals(uri.getScheme()) && WebappManager.getHost().equals(uri.getHost())
&& WebappManager.getPort() == uri.getPort()) {
final IPath stateLocation = Activator.getDefault().getStateLocation();
final IPath path = stateLocation.append("systemlibraries")
.append(new Path(uri.getPath()).lastSegment());
final File file = path.toFile();
file.getParentFile().mkdirs();
final String source = script.getSource();
final BufferedWriter writer = new BufferedWriter(new FileWriter(file));
try {
writer.write(source);
} finally {
writer.close();
}
return new Path(file.getParentFile().getName()).append(file.getName()).toString();
}
} catch (URISyntaxException e) {
throw new RuntimeException(e);
} catch (IOException e) {
throw new CoreException(new Status(IStatus.ERROR, Activator.PLUGIN_ID,
"Cannot load web runtime system libraries", e));
}
return null;
}
public Object getSourceElement(IStackFrame stackFrame) {
if (stackFrame instanceof StackFrame == false) {
return null;
}
StackFrame jsStackFrame = (StackFrame) stackFrame;
Script script = jsStackFrame.getCallFrame().getScript();
if (script == null) {
return null;
}
IFile resource = resourceManager.getResource(script);
if (resource != null) {
return resource;
} else {
File file = PreviewerPlugin.getDefault().getHttpPreviewer().getLocalFile(script.getName());
if (file != null) {
try {
return EFS.getStore(file.toURI());
} catch (CoreException e) {
Activator.log(e);
}
}
}
return null;
}
public void initializeParticipants() {
addParticipants(new ISourceLookupParticipant[] { new WebApplicationSourceLookupParticipant(this,
resourceManager) });
}
}