protected void refreshOutputFolders(
IBuildContext ctx,
Map<String, OutputConfiguration> outputConfigurations,
IProgressMonitor monitor)
throws CoreException {
SubMonitor subMonitor = SubMonitor.convert(monitor, outputConfigurations.size());
for (OutputConfiguration config : outputConfigurations.values()) {
SubMonitor child = subMonitor.newChild(1);
final IProject project = ctx.getBuiltProject();
IFolder folder = project.getFolder(config.getOutputDirectory());
folder.refreshLocal(IResource.DEPTH_INFINITE, child);
}
}
protected void cleanOutput(
IBuildContext ctx, OutputConfiguration config, IProgressMonitor monitor)
throws CoreException {
final IProject project = ctx.getBuiltProject();
IFolder folder = project.getFolder(config.getOutputDirectory());
if (!folder.exists()) return;
if (config.isCanClearOutputDirectory()) {
for (IResource resource : folder.members()) resource.delete(IResource.KEEP_HISTORY, monitor);
} else {
if (config.isCleanUpDerivedResources()) {
List<IFile> resources = derivedResourceMarkers.findDerivedResources(folder, null);
for (IFile iFile : resources) {
iFile.delete(IResource.KEEP_HISTORY, monitor);
}
}
}
}
/** @since 2.7 */
protected String getCurrentSourceFolder(IBuildContext context, Delta delta) {
Iterable<org.eclipse.xtext.util.Pair<IStorage, IProject>> storages =
storage2UriMapper.getStorages(delta.getUri());
for (org.eclipse.xtext.util.Pair<IStorage, IProject> pair : storages) {
final IResource resource = (IResource) pair.getFirst();
IProject project = pair.getSecond();
for (OutputConfiguration output : getOutputConfigurations(context).values()) {
for (SourceMapping sourceMapping : output.getSourceMappings()) {
IContainer folder = ResourceUtil.getContainer(project, sourceMapping.getSourceFolder());
if (folder.contains(resource)) {
return sourceMapping.getSourceFolder();
}
}
}
}
return null;
}
/** @since 2.6 */
protected Set<IContainer> getOutputs(IProject project, OutputConfiguration outputConfiguration) {
Set<IContainer> outputs = Sets.newLinkedHashSet();
for (String outputPath : outputConfiguration.getOutputDirectories()) {
IContainer output = getContainer(project, outputPath);
outputs.add(output);
}
return outputs;
}
/** @since 2.7 */
protected Set<IFile> getDerivedResources(
Delta delta,
final Map<String, OutputConfiguration> outputConfigurations,
Map<OutputConfiguration, Iterable<IMarker>> generatorMarkers) {
String uri = delta.getUri().toString();
Set<IFile> derivedResources = newLinkedHashSet();
for (OutputConfiguration config : outputConfigurations.values()) {
if (config.isCleanUpDerivedResources()) {
Iterable<IMarker> markers = generatorMarkers.get(config);
for (IMarker marker : markers) {
String source = derivedResourceMarkers.getSource(marker);
if (source != null && source.equals(uri))
derivedResources.add((IFile) marker.getResource());
}
}
}
return derivedResources;
}
/** @since 2.4 */
protected Map<OutputConfiguration, Iterable<IMarker>> getGeneratorMarkers(
IProject builtProject, Collection<OutputConfiguration> outputConfigurations)
throws CoreException {
Map<OutputConfiguration, Iterable<IMarker>> generatorMarkers = newHashMap();
for (OutputConfiguration config : outputConfigurations) {
if (config.isCleanUpDerivedResources()) {
List<IMarker> markers = Lists.newArrayList();
for (IContainer container : getOutputs(builtProject, config)) {
Iterables.addAll(
markers,
derivedResourceMarkers.findDerivedResourceMarkers(
container, generatorIdProvider.getGeneratorIdentifier()));
}
generatorMarkers.put(config, markers);
}
}
return generatorMarkers;
}
/** @since 2.5 */
protected void cleanOutput(
IBuildContext ctx,
OutputConfiguration config,
EclipseResourceFileSystemAccess2 access,
IProgressMonitor monitor)
throws CoreException {
final IProject project = ctx.getBuiltProject();
for (IContainer container : getOutputs(project, config)) {
if (!container.exists()) {
return;
}
if (config.isCanClearOutputDirectory()) {
for (IResource resource : container.members()) {
if (!config.isKeepLocalHistory()) {
resource.delete(IResource.NONE, monitor);
} else if (access == null) {
resource.delete(IResource.KEEP_HISTORY, monitor);
} else {
delete(resource, config, access, monitor);
}
}
} else if (config.isCleanUpDerivedResources()) {
List<IFile> resources = derivedResourceMarkers.findDerivedResources(container, null);
for (IFile iFile : resources) {
if (monitor.isCanceled()) {
throw new OperationCanceledException();
}
if (access != null) {
access.deleteFile(iFile, config.getName(), monitor);
} else {
iFile.delete(
config.isKeepLocalHistory() ? IResource.KEEP_HISTORY : IResource.NONE, monitor);
}
}
}
}
}
private void delete(
IResource resource,
OutputConfiguration config,
EclipseResourceFileSystemAccess2 access,
IProgressMonitor monitor)
throws CoreException {
if (monitor.isCanceled()) {
throw new OperationCanceledException();
}
if (resource instanceof IContainer) {
IContainer container = (IContainer) resource;
for (IResource child : container.members()) {
delete(child, config, access, monitor);
}
container.delete(IResource.KEEP_HISTORY, monitor);
} else if (resource instanceof IFile) {
IFile file = (IFile) resource;
access.deleteFile(file, config.getName(), monitor);
} else {
resource.delete(IResource.KEEP_HISTORY, monitor);
}
}
public void build(final IBuildContext context, IProgressMonitor monitor) throws CoreException {
if (!isEnabled(context)) {
return;
}
final List<IResourceDescription.Delta> deltas = getRelevantDeltas(context);
if (deltas.isEmpty()) {
return;
}
final int numberOfDeltas = deltas.size();
// monitor handling
if (monitor.isCanceled()) throw new OperationCanceledException();
SubMonitor subMonitor = SubMonitor.convert(monitor, numberOfDeltas + 3);
EclipseResourceFileSystemAccess2 access = fileSystemAccessProvider.get();
final IProject builtProject = context.getBuiltProject();
access.setProject(builtProject);
final Map<String, OutputConfiguration> outputConfigurations = getOutputConfigurations(context);
refreshOutputFolders(context, outputConfigurations, subMonitor.newChild(1));
access.setOutputConfigurations(outputConfigurations);
if (context.getBuildType() == BuildType.CLEAN || context.getBuildType() == BuildType.RECOVERY) {
SubMonitor cleanMonitor =
SubMonitor.convert(subMonitor.newChild(1), outputConfigurations.size());
for (OutputConfiguration config : outputConfigurations.values()) {
cleanOutput(context, config, cleanMonitor.newChild(1));
}
if (context.getBuildType() == BuildType.CLEAN) return;
}
Map<OutputConfiguration, Iterable<IMarker>> generatorMarkers = newHashMap();
for (OutputConfiguration config : outputConfigurations.values()) {
if (config.isCleanUpDerivedResources()) {
final IFolder outputFolder = builtProject.getFolder(config.getOutputDirectory());
final Iterable<IMarker> markers =
derivedResourceMarkers.findDerivedResourceMarkers(
outputFolder, generatorIdProvider.getGeneratorIdentifier());
generatorMarkers.put(config, markers);
}
}
for (int i = 0; i < numberOfDeltas; i++) {
final IResourceDescription.Delta delta = deltas.get(i);
// monitor handling
if (subMonitor.isCanceled()) throw new OperationCanceledException();
subMonitor.subTask(
"Compiling " + delta.getUri().lastSegment() + " (" + i + " of " + numberOfDeltas + ")");
access.setMonitor(subMonitor.newChild(1));
final String uri = delta.getUri().toString();
final Set<IFile> derivedResources = newLinkedHashSet();
for (OutputConfiguration config : outputConfigurations.values()) {
if (config.isCleanUpDerivedResources()) {
Iterable<IMarker> markers = generatorMarkers.get(config);
for (IMarker marker : markers) {
String source = derivedResourceMarkers.getSource(marker);
if (source != null && source.equals(uri))
derivedResources.add((IFile) marker.getResource());
}
}
}
access.setPostProcessor(
new EclipseResourceFileSystemAccess2.IFileCallback() {
public boolean beforeFileDeletion(IFile file) {
derivedResources.remove(file);
context.needRebuild();
return true;
}
public void afterFileUpdate(IFile file) {
handleFileAccess(file);
}
public void afterFileCreation(IFile file) {
handleFileAccess(file);
}
protected void handleFileAccess(IFile file) {
try {
derivedResources.remove(file);
derivedResourceMarkers.installMarker(file, uri);
context.needRebuild();
} catch (CoreException e) {
throw new RuntimeException(e);
}
}
});
if (delta.getNew() != null) {
handleChangedContents(delta, context, access);
}
access.flushSourceTraces();
SubMonitor deleteMonitor =
SubMonitor.convert(subMonitor.newChild(1), derivedResources.size());
for (IFile iFile : newLinkedHashSet(derivedResources)) {
IMarker marker = derivedResourceMarkers.findDerivedResourceMarker(iFile, uri);
if (marker != null) marker.delete();
if (derivedResourceMarkers.findDerivedResourceMarkers(iFile).length == 0) {
access.deleteFile(iFile, deleteMonitor);
context.needRebuild();
}
}
}
}
/** @return a set of {@link OutputConfiguration} available for the generator */
public Set<OutputConfiguration> getOutputConfigurations() {
OutputConfiguration defaultOutput = new OutputConfiguration(IFileSystemAccess.DEFAULT_OUTPUT);
defaultOutput.setDescription("Output Folder");
defaultOutput.setOutputDirectory("./src-gen");
defaultOutput.setOverrideExistingResources(true);
defaultOutput.setCreateOutputDirectory(true);
defaultOutput.setCleanUpDerivedResources(true);
defaultOutput.setSetDerivedProperty(true);
OutputConfiguration onceOutput = new OutputConfiguration(SRC_OUTPUT);
onceOutput.setDescription("Output Folder (once)");
onceOutput.setOutputDirectory("./src");
onceOutput.setOverrideExistingResources(true);
onceOutput.setCreateOutputDirectory(true);
onceOutput.setCleanUpDerivedResources(true);
onceOutput.setSetDerivedProperty(true);
return newHashSet(defaultOutput, onceOutput);
}