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/*******************************************************************************
* Copyright (c) 2013 protos software gmbh (http://www.protos.de).
* 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:
* Henrik Rentz-Reichert (initial contribution)
*
*******************************************************************************/
package org.eclipse.etrice.ui.common.editor;
import static com.google.common.collect.Maps.newHashMap;
import java.util.HashMap;
import java.util.Map;
import org.apache.log4j.Logger;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IStorage;
import org.eclipse.core.runtime.IPath;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.plugin.EcorePlugin;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.xtext.resource.XtextResourceSet;
import org.eclipse.xtext.ui.resource.IResourceSetProvider;
import org.eclipse.xtext.ui.resource.IStorage2UriMapperJdtExtensions;
import org.eclipse.xtext.ui.util.JdtClasspathUriResolver;
import org.eclipse.xtext.util.Pair;
import com.google.inject.Inject;
import com.google.inject.Provider;
/**
* This class is copied from XtextResourceSetProvider with the only modification that we skip our own project in
* the platform project mappings (marked with <b>[HRR]</b>)
*
* @author Henrik Rentz-Reichert
*/
public class CustomResourceSetProvider implements IResourceSetProvider {
private final static Logger LOG = Logger.getLogger(CustomResourceSetProvider.class);
@Inject
private Provider<XtextResourceSet> resourceSetProvider;
@Inject
private IStorage2UriMapperJdtExtensions storage2UriMapper;
public ResourceSet get(IProject project) {
XtextResourceSet set = resourceSetProvider.get();
IJavaProject javaProject = JavaCore.create(project);
if (javaProject != null && javaProject.exists()) {
set.getURIConverter().getURIMap().putAll(computePlatformURIMap(javaProject));
set.setClasspathURIContext(javaProject);
set.setClasspathUriResolver(new JdtClasspathUriResolver());
}
return set;
}
protected Map<URI, URI> computePlatformURIMap(IJavaProject javaProject) {
HashMap<URI, URI> hashMap = newHashMap();
try {
hashMap.putAll(EcorePlugin.computePlatformURIMap(false));
} catch (Exception e) {
LOG.error(e.getMessage(), e);
}
if (!javaProject.exists())
return hashMap;
try {
IPackageFragmentRoot[] roots = javaProject.getAllPackageFragmentRoots();
for (IPackageFragmentRoot root : roots) {
Pair<URI, URI> uriMapping = storage2UriMapper.getURIMapping(root);
if (uriMapping != null) {
// we could just install the prefix mapping, i.e. platform:resource/my.project/ -> file:/my/path/to/my.project/
// but then we wouldn't be able to load resources when using hosted bundles, because the target path points to the bin folder.
// so instead we install qualified file mappings, which also makes normalization faster (i.e. just a lookup in a map instead of testing prefix URIs)
//
Map<URI, IStorage> mapping = storage2UriMapper.getAllEntries(root);
for (URI key : mapping.keySet()) {
IStorage storage = mapping.get(key);
URI physicalURI = null;
if (storage instanceof IFile) {
physicalURI = URI.createPlatformResourceURI(storage.getFullPath().toString(), true);
} else {
physicalURI = key.replacePrefix(uriMapping.getFirst(), uriMapping.getSecond());
}
hashMap.put(key, physicalURI);
if (key.isPlatformResource()) {
URI pluginURI = URI.createPlatformPluginURI(key.toPlatformString(false), false);
hashMap.put(pluginURI, physicalURI);
}
}
}
}
/*
*/
final IProject project = javaProject.getProject();
for (IProject iProject : project.getWorkspace().getRoot().getProjects()) {
// [HRR]: following line was:
// if (iProject.isAccessible()) {
if (iProject!=project && iProject.isAccessible()) {
IPath location = iProject.getLocation();
if (location != null) {
// append a trailing slash so that URI.isPrefix is true.
hashMap.put(URI.createPlatformResourceURI(iProject.getName()+"/", true), URI.createFileURI(location.toFile().getPath()+"/"));
}
}
}
} catch (JavaModelException e) {
LOG.error(e.getMessage(), e);
}
return hashMap;
}
}
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