org.eclipse.xtext.builder.IXtextBuilderParticipant Java Examples

private N4JSBuilderParticipant findJSBuilderParticipant() {
	ImmutableList<IXtextBuilderParticipant> all = builderParticipant.getParticipants();
	for (IXtextBuilderParticipant candidate : all) {
		if (candidate instanceof DeferredBuilderParticipant) {
			DeferredBuilderParticipant dbp = (DeferredBuilderParticipant) candidate;
			if (isParticipating(dbp)) {
				IXtextBuilderParticipant delegate = dbp.getDelegate();
				if (delegate instanceof N4JSBuilderParticipant) {
					return (N4JSBuilderParticipant) delegate;
				}
			}
		}
		// N4JSBuilderParticipant is never directly used, it's always delegated to via an DeferredBuilderParticipant
	}
	throw new IllegalStateException();
}
 

protected synchronized ImmutableList<IXtextBuilderParticipant> initParticipants() {
	ImmutableList<IXtextBuilderParticipant> result = participants;
	if (result == null) {
		if (classToParticipant == null) {
			classToParticipant = Maps.newHashMap();
			Activator activator = Activator.getDefault();
			if (activator != null) {
				String pluginID = activator.getBundle().getSymbolicName();
				String extensionPointID = EXTENSION_POINT_ID;
				BuilderParticipantReader reader = new BuilderParticipantReader(extensionRegistry, pluginID, extensionPointID);
				reader.readRegistry();
			}
		}
		result = ImmutableList.copyOf(classToParticipant.values());
		participants = result;
	}
	return result;
}
 

/**
 * Builds all other registered (non-language specific) {@link IXtextBuilderParticipant}s.
 *
 * @param buildContext
 *          the {@link IBuildContext}, must not be {@code null}
 * @param monitor
 *          the {@link IProgressMonitor}, must not be {@code null}
 * @throws CoreException
 *           caused by an {@link IXtextBuilderParticipant}
 */
protected void buildOtherParticipants(final IBuildContext buildContext, final IProgressMonitor monitor) throws CoreException {
  ImmutableList<IXtextBuilderParticipant> otherBuilderParticipants = getParticipants();
  if (otherBuilderParticipants.isEmpty()) {
    return;
  }
  SubMonitor progress = SubMonitor.convert(monitor, otherBuilderParticipants.size());
  progress.subTask(Messages.RegistryBuilderParticipant_InvokingBuildParticipants);
  for (final IXtextBuilderParticipant participant : otherBuilderParticipants) {
    if (progress.isCanceled()) {
      throw new OperationCanceledException();
    }
    try {
      if (initializeParticipant(participant)) {
        participant.build(buildContext, progress.newChild(1));
      }
      // CHECKSTYLE:CHECK-OFF IllegalCatchCheck we need to recover from any exception and continue the build
    } catch (Throwable throwable) {
      // CHECKSTYLE:CHECK-ON IllegalCatchCheck
      LOG.error("Error occurred during build of builder participant: " //$NON-NLS-1$
          + participant.getClass().getName(), throwable);
    }
  }
}
 

@Override
protected boolean readElement(IConfigurationElement element, boolean add) {
	if (element.getName().equals(PARTICIPANT)) {
		String className = element.getAttribute(ATT_CLASS);
		if (className == null) {
			logMissingAttribute(element, ATT_CLASS);
		} else if (add) {
			IXtextBuilderParticipant participant = new DeferredBuilderParticipant(element);
			if (classToParticipant.containsKey(className)) {
				readerLog.warn("The builder participant '" + className + "' was registered twice."); //$NON-NLS-1$ //$NON-NLS-2$
			}
			classToParticipant.put(className, participant);
			participants = null;
			return true;
		} else {
			classToParticipant.remove(className);
			participants = null;
			return true;
		}
	}
	return false;
}
 

/**
 * Intentionally package visible producer for the {@link IBuildParticipantInstruction}.
 *
 * @param project
 *            the currently build project
 * @param buildType
 *            the current build type
 * @return a StatefulBuilderParticipant. Never <code>null</code>.
 */
IBuildParticipantInstruction prepareBuild(IProject project, IXtextBuilderParticipant.BuildType buildType)
		throws CoreException {

	if (!isEnabled(project)) {
		return IBuildParticipantInstruction.NOOP;
	}
	EclipseResourceFileSystemAccess2 access = fileSystemAccessProvider.get();
	access.setProject(project);
	final Map<String, OutputConfiguration> outputConfigurations = getOutputConfigurations(project);
	refreshOutputFolders(project, outputConfigurations, null);
	access.setOutputConfigurations(outputConfigurations);
	if (buildType == BuildType.CLEAN || buildType == BuildType.RECOVERY) {
		IBuildParticipantInstruction clean = new CleanInstruction(project, outputConfigurations,
				getDerivedResourceMarkers());
		if (buildType == BuildType.RECOVERY) {
			clean.finish(Collections.<Delta> emptyList(), null);
		} else {
			return clean;
		}
	}
	Map<OutputConfiguration, Iterable<IMarker>> generatorMarkers = getGeneratorMarkers(project,
			outputConfigurations.values());
	BuildInstruction buildInstruction = new BuildInstruction(project, outputConfigurations,
			getDerivedResourceMarkers(), access,
			generatorMarkers, storage2UriMapper, compositeGenerator, injector);
	return buildInstruction;
}
 

@Override
public void build(IBuildContext buildContext, IProgressMonitor monitor) throws CoreException {
	ImmutableList<IXtextBuilderParticipant> participants = getParticipants();
	if (participants.isEmpty())
		return;
	SubMonitor progress = SubMonitor.convert(monitor, participants.size());
	progress.subTask(Messages.RegistryBuilderParticipant_InvokingBuildParticipants);
	for (IXtextBuilderParticipant participant : participants) {
		if (progress.isCanceled())
			throw new OperationCanceledException();
		participant.build(buildContext, progress.split(1));
	}
	if (progress.isCanceled())
		throw new OperationCanceledException();
}
 

public ImmutableList<IXtextBuilderParticipant> getParticipants() {
	ImmutableList<IXtextBuilderParticipant> result = participants;
	if (participants == null) {
		result = initParticipants();
	}
	return result;
}
 

/** {@inheritDoc} */
@Override
protected synchronized ImmutableList<IXtextBuilderParticipant> initParticipants() {
  if (immutableCommonParticipants == null) {
    String pluginID = "org.eclipse.xtext.builder"; //$NON-NLS-1$ // Activator.getDefault().getBundle().getSymbolicName();
    String extensionPointID = EXTENSION_POINT_ID;
    ConditionalBuilderParticipantReader reader = new ConditionalBuilderParticipantReader(extensionRegistry, pluginID, extensionPointID);
    reader.readRegistry();
    immutableCommonParticipants = reader.getCommonParticipants();
  }
  return immutableCommonParticipants;
}
 

/**
 * Initializes the given {@link IXtextBuilderParticipant}.
 *
 * @param participant
 *          the {@link IXtextBuilderParticipant} to initialize, must not be {@code null}
 * @return whether the builder participant was initialized successfully
 */
private boolean initializeParticipant(final IXtextBuilderParticipant participant) {
  String languageId = null;
  if (participant instanceof IGeneratorModuleProvider) {
    languageId = ((IGeneratorModuleProvider) participant).getGeneratorModuleId();
  } else if (participant instanceof ILanguageSpecificBuilderParticipant) {
    languageId = ((ILanguageSpecificBuilderParticipant) participant).getLanguageId();
  }
  if (languageId != null && !BuilderParticipantSettings.isBuilderParticipantEnabled(languageId)) {
    return false;
  }
  if (!initializedParticipants.contains(participant)) {
    if (languageId != null) {
      final IResourceServiceProvider resourceServiceProvider = resourceServiceProviderLocator.getResourceServiceProviderById(languageId);
      if (resourceServiceProvider != null) {
        // inject members of the participant
        final Injector injector = resourceServiceProvider.get(Injector.class);
        injector.injectMembers(participant);
      } else {
        LOG.error(NLS.bind("No ResourceServiceProvider found for builder participant ''{0}'' and language id ''{1}''", participant.getClass().getName(), languageId)); //$NON-NLS-1$
        return false;
      }
    }
    initializedParticipants.add(participant);
  }
  return true;
}
 

/**
 * {@inheritDoc}
 */
@Override
public Class<? extends IXtextBuilderParticipant> bindIXtextBuilderParticipant() {
  return FormatBuilderParticipant.class;
}
 

public Class<? extends IXtextBuilderParticipant> bindIXtextBuilderParticipant() {
	return BuilderParticipant.class;
}
 

public Class<? extends IXtextBuilderParticipant> bindIXtextBuilderParticipant() {
	return BuilderParticipant.class;
}
 

private IXtextBuilderParticipant getDelegate(IBuildContext context) {
	if (!interestedIn(context)) {
		return new NoOpBuilderParticipant();
	}
	return getDelegate();
}
 

public IXtextBuilderParticipant getDelegate() {
	if (delegate == null) {
		initDelegate();
	}
	return delegate;
}
 

public Class<? extends IXtextBuilderParticipant> bindIXtextBuilderParticipant() {
	return BuilderParticipant.class;
}
 

@Override
public Class<? extends IXtextBuilderParticipant> bindIXtextBuilderParticipant() {
	return XtendParallelBuilderParticipant.class;
}
 

public Class<? extends IXtextBuilderParticipant> bindIXtextBuilderParticipant() {
	return BuilderParticipant.class;
}
 

public IXtextBuilderParticipant getDelegate() {
	return delegate;
}
 

/** {@inheritDoc} */
@Override
public ImmutableList<IXtextBuilderParticipant> getParticipants() {
  return initParticipants();
}
 

protected ImmutableList<IXtextBuilderParticipant> getCommonParticipants() {
  return ImmutableList.copyOf(commonParticipants);
}
 

public Class<? extends IXtextBuilderParticipant> bindIXtextBuilderParticipant() {
	return BuilderParticipant.class;
}
 

@Override
public Class<? extends IXtextBuilderParticipant> bindIXtextBuilderParticipant() {
	return XtxtUMLBuilderParticipant.class;
}
 

public Class<? extends IXtextBuilderParticipant> bindIXtextBuilderParticipant() {
	return BuilderParticipant.class;
}
 

public Class<? extends IXtextBuilderParticipant> bindIXtextBuilderParticipant() {
	return BuilderParticipant.class;
}
 

/**
 * Bind the {@link IXtextBuilderParticipant} being aware of generating the Javascript files in the output directory.
 */
@Override
public Class<? extends IXtextBuilderParticipant> bindIXtextBuilderParticipant() {
	return N4JSBuilderParticipant.class;
}
 

public Class<? extends IXtextBuilderParticipant> bindIXtextBuilderParticipant() {
	return BuilderParticipant.class;
}
 

public Class<? extends IXtextBuilderParticipant> bindIXtextBuilderParticipant() {
	return BuilderParticipant.class;
}
 

public Class<? extends IXtextBuilderParticipant> bindIXtextBuilderParticipant() {
	return BuilderParticipant.class;
}
 

public Class<? extends IXtextBuilderParticipant> bindIXtextBuilderParticipant() {
	return BuilderParticipant.class;
}
 

public Class<? extends IXtextBuilderParticipant> bindIXtextBuilderParticipant() {
	return BuilderParticipant.class;
}