Java Code Examples for org.eclipse.core.resources.IProject

/**
 * Creates the sample template.
 * 
 * @param templateName
 *            the template name
 * @param variableName
 *            the variable name
 * @param variableValue
 *            the variable value
 * @param monitor
 *            the {@link IProgressMonitor}
 * @param project
 *            the {@link IllegalPropertySetDataException}
 * @return
 * @throws IOException
 *             if the template file can't be saved
 * @throws CoreException
 *             if the template file can't be saved
 * @throws InvalidFormatException
 *             if the sample template can't be read
 * @return the template {@link URI}
 */
private URI createSampleTemplate(final String templateName, final String variableName, final EObject variableValue,
        IProgressMonitor monitor, final IProject project)
        throws IOException, CoreException, InvalidFormatException {
    final URI res;

    final URIConverter uriConverter = new ExtensibleURIConverterImpl();
    final MemoryURIHandler handler = new MemoryURIHandler();
    uriConverter.getURIHandlers().add(0, handler);
    try (XWPFDocument sampleTemplate = M2DocUtils.createSampleTemplate(variableName, variableValue.eClass());) {
        final URI memoryURI = URI
                .createURI(MemoryURIHandler.PROTOCOL + "://resources/temp." + M2DocUtils.DOCX_EXTENSION_FILE);
        POIServices.getInstance().saveFile(uriConverter, sampleTemplate, memoryURI);

        try (InputStream source = uriConverter.createInputStream(memoryURI)) {
            final IFile templateFile = project.getFile(templateName);
            templateFile.create(source, true, monitor);
            res = URI.createPlatformResourceURI(templateFile.getFullPath().toString(), true);
        }
    }

    return res;
}
 

/**
 * {@inheritDoc}
 */
@Override
protected void buttonPressed(final int buttonId) {
	if (buttonId == IDialogConstants.OK_ID) {
		fData.setRefactoringAware(true);
		final RefactoringDescriptorProxy[] descriptors= fHistoryControl.getCheckedDescriptors();
		Set<IProject> set= new HashSet<IProject>();
		IWorkspaceRoot root= ResourcesPlugin.getWorkspace().getRoot();
		for (int index= 0; index < descriptors.length; index++) {
			final String project= descriptors[index].getProject();
			if (project != null && !"".equals(project)) //$NON-NLS-1$
				set.add(root.getProject(project));
		}
		fData.setRefactoringProjects(set.toArray(new IProject[set.size()]));
		fData.setRefactoringDescriptors(descriptors);
		fData.setExportStructuralOnly(fExportStructural.getSelection());
		final IDialogSettings settings= fSettings;
		if (settings != null)
			settings.put(SETTING_SORT, fHistoryControl.isSortByProjects());
	}
	super.buttonPressed(buttonId);
}
 

private static MainMethod extractMainMethodInfo(ICompilationUnit typeRoot, IMethod method) throws JavaModelException {
    final Range range = getRange(typeRoot, method);
    IResource resource = typeRoot.getResource();
    if (resource != null) {
        IProject project = resource.getProject();
        if (project != null) {
            String mainClass = method.getDeclaringType().getFullyQualifiedName();
            IJavaProject javaProject = JdtUtils.getJavaProject(project);
            if (javaProject != null) {
                String moduleName = JdtUtils.getModuleName(javaProject);
                if (moduleName != null) {
                    mainClass = moduleName + "/" + mainClass;
                }
            }

            String projectName = ProjectsManager.DEFAULT_PROJECT_NAME.equals(project.getName()) ? null : project.getName();
            return new MainMethod(range, mainClass, projectName);
        }
    }

    return null;
}
 

@Test
public void testAddToJavaProject() throws Exception {
	javaProjectFactory.setProjectName("test");
	javaProjectFactory.addFolders(Collections.singletonList("src"));
	javaProjectFactory.addBuilderIds(JavaCore.BUILDER_ID, XtextProjectHelper.BUILDER_ID);
	javaProjectFactory.addProjectNatures(JavaCore.NATURE_ID, XtextProjectHelper.NATURE_ID);
	IProject project = javaProjectFactory.createProject(null, null);
	IJavaProject javaProject = JavaCore.create(project);
	JavaProjectSetupUtil.makeJava8Compliant(javaProject);
	IFile file = project.getFile("src/Foo.xtend");
	file.create(new StringInputStream("import org.eclipse.xtend.lib.annotations.Accessors class Foo { @Accessors int bar }"),
			true, null);
	syncUtil.waitForBuild(null);
	markerAssert.assertErrorMarker(file, IssueCodes.XBASE_LIB_NOT_ON_CLASSPATH);
	adder.addLibsToClasspath(javaProject, null);
	waitForAutoBuild();
	syncUtil.waitForBuild(null);
	markerAssert.assertNoErrorMarker(file);
}
 

private void addHybrisNature(IProject project, IProgressMonitor monitor) throws CoreException {
	IProjectDescription description = project.getDescription();
	String[] natures = description.getNatureIds();

	for (int i = 0; i < natures.length; ++i) {
		if (HYBRIS_NATURE_ID.equals(natures[i])) {
			return;
		}
	}

	// Add the nature
	String[] newNatures = new String[natures.length + 1];
	System.arraycopy(natures, 0, newNatures, 0, natures.length);
	newNatures[natures.length] = HYBRIS_NATURE_ID;
	description.setNatureIds(newNatures);
	project.setDescription(description, monitor);
}
 

@Override
public Object[] getChildren(Object parentElement) {
	try {
		if (parentElement instanceof IJavaModel)
			return concatenate(super.getChildren(parentElement), getNonJavaProjects((IJavaModel)parentElement));

		if (parentElement instanceof IProject) {
			IProject project= (IProject) parentElement;
			if (project.isAccessible()) {
				return project.members();
			}
			return NO_CHILDREN;
		}
		return super.getChildren(parentElement);
	} catch (CoreException e) {
		return NO_CHILDREN;
	}
}
 

/**
 * Compute the non-java resources contained in this java project.
 */
private Object[] computeNonJavaResources() {
	IProject[] projects = ResourcesPlugin.getWorkspace().getRoot().getProjects();
	int length = projects.length;
	Object[] resources = null;
	int index = 0;
	for (int i = 0; i < length; i++) {
		IProject project = projects[i];
		if (!JavaProject.hasJavaNature(project)) {
			if (resources == null) {
				resources = new Object[length];
			}
			resources[index++] = project;
		}
	}
	if (index == 0) return NO_NON_JAVA_RESOURCES;
	if (index < length) {
		System.arraycopy(resources, 0, resources = new Object[index], 0, index);
	}
	return resources;
}
 

@Override
protected IProject[] build(int kind, @SuppressWarnings("rawtypes") Map args, IProgressMonitor monitor)
		throws CoreException {
	//TODO find referenced extensions and their eclipse projects and return them
	if (kind == CLEAN_BUILD) {
		clean(monitor);
	}
	else if (kind == FULL_BUILD) {
		fullBuild(monitor);
	} else {
		IResourceDelta delta = getDelta(getProject());
		if (delta == null) {
			fullBuild(monitor);
		} else {
			incrementalBuild(delta, monitor);
		}
	}
	return null;
}
 

private String getFullPath(IPath path, IProject project)
	{
//		String curPath = path.toOSString( );
//		String directPath = project.getLocation( ).toOSString( );
//		int index = directPath.lastIndexOf( File.separator );
//		String absPath = directPath.substring( 0, index ) + curPath;
//		return absPath;
		
		String directPath;
		try {
			
			directPath = project.getDescription().getLocationURI().toURL().getPath();
		} catch (Exception e) {
			directPath = project.getLocation().toOSString();
		} 
		String curPath = path.toOSString( );
		int index = curPath.substring(1).indexOf( File.separator );
		String absPath = directPath + curPath.substring(index+1);
		return absPath;
	}
 

private static void handleParentProjectOpen(IProject project) {
    Job job = Job.createSystem("TmfProjectRegistry.handleParentProjectOpen Job", monitor -> { //$NON-NLS-1$
        if (!project.exists() || !project.isOpen()) {
            return;
        }
        IProject shadowProject = TmfProjectModelHelper.getShadowProject(project);
        if (shadowProject != null && shadowProject.exists() && !shadowProject.isOpen()) {
            try {
                shadowProject.open(new NullProgressMonitor());
            } catch (CoreException e) {
                // Do nothing ... addTracingNature() will handle this
            }
        }
        addTracingNature(project, monitor);
    });
    job.schedule();
}
 

/**
 * Check if index is populated with external project content and workspace project content when the external
 * location with single project is registered and workspace contains project with different name.
 */
@Test
public void testWorkspaceProjectAndExternalProject() throws Exception {
	IProject createJSProject = ProjectTestsUtils.createJSProject("LibFoo2");
	IFolder src = configureProjectWithXtext(createJSProject);
	IFile packageJson = createJSProject.getProject().getFile(IN4JSProject.PACKAGE_JSON);
	assertMarkers("package.json of first project should have no errors", packageJson, 0);
	createTestFile(src, "Foo", "console.log('hi')");

	waitForAutoBuild();

	Collection<String> expectedExternal = collectIndexableFiles(externalLibrariesRoot);

	Collection<String> expectedWorkspace = collectIndexableFiles(ResourcesPlugin.getWorkspace());
	Collection<String> expected = new HashSet<>();
	expected.addAll(expectedExternal);
	expected.addAll(expectedWorkspace);

	assertResourceDescriptions(expected, BuilderUtil.getAllResourceDescriptions());
}
 

public static IProject createPluginProject(String name) throws CoreException {
	Injector injector = XtendActivator.getInstance().getInjector("org.eclipse.xtend.core.Xtend");
	PluginProjectFactory projectFactory = injector.getInstance(PluginProjectFactory.class);
	projectFactory.setBreeToUse(JREContainerProvider.PREFERRED_BREE);
	projectFactory.setProjectName(name);
	projectFactory.setProjectDefaultCharset(StandardCharsets.ISO_8859_1.name());
	projectFactory.addFolders(Collections.singletonList("src"));
	projectFactory.addBuilderIds(
		JavaCore.BUILDER_ID, 
		"org.eclipse.pde.ManifestBuilder",
		"org.eclipse.pde.SchemaBuilder",
		XtextProjectHelper.BUILDER_ID);
	projectFactory.addProjectNatures(JavaCore.NATURE_ID, "org.eclipse.pde.PluginNature", XtextProjectHelper.NATURE_ID);
	projectFactory.addRequiredBundles(Lists.newArrayList(
			"org.eclipse.xtext.xbase.lib",
			"org.eclipse.xtend.lib"));
	IProject result = projectFactory.createProject(new NullProgressMonitor(), null);
	JavaProjectSetupUtil.makeJava8Compliant(JavaCore.create(result));
	return result;
}
 

/**
 * This operation rebuilds an Item from its builder and the current project
 * space.
 */
private void rebuildItem(ItemBuilder builder, Item item,
		IProject projectSpace) {

	// Build the proper Item
	Item rebuiltItem = itemBuilderList.get(item.getItemBuilderName())
			.build(projectSpace);

	// Give the project to this temp Item
	item.setProject(projectSpace);
	// Copy over the information from the persistence
	// provider
	rebuiltItem.copy(item);
	// Setup the project space
	rebuiltItem.setProject(projectSpace);
	// Refresh the data on the Item
	rebuiltItem.reloadProjectData();
	// Resubmit the Item's Form so that it can repair its state
	rebuiltItem.submitForm(rebuiltItem.getForm());
	// Register as a observer of the Item
	rebuiltItem.addListener(this);
	// Load the Item into the list
	itemList.put(rebuiltItem.getId(), rebuiltItem);
}
 

/** Add exported packages into the project.
 *
 * @param project the project.
 * @param exportedPackages the exported packages.
 * @throws Exception
 */
public static void addExportedPackages(IProject project, String ... exportedPackages) throws Exception{
	IFile manifest = project.getFile("META-INF/MANIFEST.MF"); //$NON-NLS-1$
	Manifest mf = new Manifest(manifest.getContents());
	String value = mf.getMainAttributes().getValue("Export-Package"); //$NON-NLS-1$
	for (String exported : exportedPackages) {
		if (value == null) {
			value = exported;
		} else {
			value += ","+exported; //$NON-NLS-1$
		}
	}
	mf.getMainAttributes().putValue("Export-Package", value); //$NON-NLS-1$
	ByteArrayOutputStream stream = new ByteArrayOutputStream();
	mf.write(stream);
	manifest.setContents(new ByteArrayInputStream(stream.toByteArray()), true, true, null);
}
 

@Override
public final void acceptSearchMatch(final SearchMatch match) throws CoreException {
	final SearchMatch accepted= fRequestor.acceptSearchMatch(match);
	if (accepted != null) {
		fCollectedMatches.add(accepted);
		final IResource resource= accepted.getResource();
		if (!resource.equals(fLastResource)) {
			if (fBinary) {
				final IJavaElement element= JavaCore.create(resource);
				if (!(element instanceof ICompilationUnit)) {
					final IProject project= resource.getProject();
					if (!fGrouping) {
						fStatus.addEntry(fSeverity, Messages.format(RefactoringCoreMessages.RefactoringSearchEngine_binary_match_ungrouped, BasicElementLabels.getResourceName(project)), null, null, RefactoringStatusEntry.NO_CODE);
					} else if (!fBinaryResources.contains(resource)) {
						fStatus.addEntry(fSeverity, Messages.format(RefactoringCoreMessages.RefactoringSearchEngine_binary_match_grouped, BasicElementLabels.getResourceName(project)), null, null, RefactoringStatusEntry.NO_CODE);
					}
					fBinaryResources.add(resource);
				}
			}
			if (fInaccurate && accepted.getAccuracy() == SearchMatch.A_INACCURATE && !fInaccurateMatches.contains(accepted)) {
				fStatus.addEntry(fSeverity, Messages.format(RefactoringCoreMessages.RefactoringSearchEngine_inaccurate_match, BasicElementLabels.getResourceName(resource)), null, null, RefactoringStatusEntry.NO_CODE);
				fInaccurateMatches.add(accepted);
			}
		}
	}
}
 

public void resourceChanged(IResourceChangeEvent event)
{
	if (event.getType() == IResourceChangeEvent.PRE_DELETE)
	{
		// check if it is a studio project and then send the ping out
		try
		{
			IProject project = event.getResource().getProject();
			IProjectDescription description = project.getDescription();
			String[] natures = description.getNatureIds();
			if (!ArrayUtil.isEmpty(natures))
			{
				// just checking the primary nature
				String projectType = STUDIO_NATURE_MAP.get(natures[0]);
				if (!StringUtil.isEmpty(projectType))
				{
					sendProjectDeleteEvent(project, projectType);
				}
			}
		}
		catch (Exception e)
		{
			UsagePlugin.logError(e);
		}
	}
}
 

public static HostPagePathTreeItem[] createRootItems(IProject project) {
  List<HostPagePathTreeItem> rootItems = new ArrayList<HostPagePathTreeItem>();

  // Add root for war directory if this is a web app project
  if (WebAppUtilities.isWebApp(project)) {
    IFolder warFolder = WebAppUtilities.getWarSrc(project);
    if (warFolder.exists()) {
      rootItems.add(new HostPagePathTreeItem(warFolder, null));
    }
  }

  // Add roots for each public path of each module
  for (IModule module : ModuleUtils.findAllModules(
      JavaCore.create(project), false)) {
    rootItems.addAll(createItemsForModule((ModuleFile) module));
  }

  return rootItems.toArray(new HostPagePathTreeItem[0]);
}
 

@Test
public void testGetClasspathsForMaven() throws Exception {
    importProjects("maven/classpathtest");
    IProject project = WorkspaceHelper.getProject("classpathtest");
    String uriString = project.getFile("src/main/java/main/App.java").getLocationURI().toString();
    ClasspathOptions options = new ClasspathOptions();
    options.scope = "runtime";
    ClasspathResult result = ProjectCommand.getClasspaths(uriString, options);
    assertEquals(1, result.classpaths.length);
    assertEquals(0, result.modulepaths.length);
    assertTrue(result.classpaths[0].indexOf("junit") == -1);

    options.scope = "test";
    result = ProjectCommand.getClasspaths(uriString, options);
    assertEquals(4, result.classpaths.length);
    assertEquals(0, result.modulepaths.length);
    boolean containsJunit = Arrays.stream(result.classpaths).anyMatch(element -> {
        return element.indexOf("junit") > -1;
    });
    assertTrue(containsJunit);
}
 

private boolean isContainedInInvisibleProject(IProject project, Collection<IPath> rootPaths) {
    if (project == null) {
        return false;
    }

    IFolder workspaceLinkFolder = project.getFolder(ProjectUtils.WORKSPACE_LINK);
    return workspaceLinkFolder.exists() && ResourceUtils.isContainedIn(workspaceLinkFolder.getLocation(), rootPaths);
}
 

public static void setLaunchConfigExternalUrlPrefix(IProject project, String launchConfigExternalUrlPrefix)
    throws BackingStoreException {
  IEclipsePreferences prefs = getProjectProperties(project);
  if (launchConfigExternalUrlPrefix == null) {
    launchConfigExternalUrlPrefix = "";
  }
  prefs.put(LAUNCH_CONFIG_EXTERNAL_URL_PREFIX, launchConfigExternalUrlPrefix);
  prefs.flush();
}
 

protected ResourceSet getResourceSet(IProject project) {
	ResourceSet resourceSet = projectToResourceSet.get(project);
	if (resourceSet == null) {
		resourceSet = createResourceSet(project);
		projectToResourceSet.put(project, resourceSet);
	}
	return resourceSet;
}
 

public void addLibsToClasspath(IJavaProject javaProject, IProgressMonitor monitor) {
	try {
		SubMonitor progress = SubMonitor.convert(monitor, 2);
		IProject project = javaProject.getProject();
		if (!project.hasNature(PLUGIN_NATURE) || !addToPluginManifest(project, progress.newChild(1)))
			addToClasspath(javaProject, progress.newChild(1));
	} catch (Exception exc) {
		LOG.error("Error adding Xtend libs to classpath", exc);
	}
}
 

@SuppressWarnings("unchecked")
@Override
public <T> T getAdapter(Class<T> adapter) {
    if (IProject.class == adapter) {
        return (T) this.project;
    }
    return null;
}
 

public static IPath getAbsoluteFileSystemPath(IPath workspaceRelativePath) {
  assert (workspaceRelativePath.segmentCount() > 0);
  String projectName = workspaceRelativePath.segment(0);

  IProject project = Util.getWorkspaceRoot().getProject(projectName);
  assert (project.exists());

  IPath projectFileSystemPath = project.getLocation();
  IPath projectRelativePath = workspaceRelativePath.removeFirstSegments(1);
  return projectFileSystemPath.append(projectRelativePath);
}
 

protected void openErrorDialog(IProject project, String version) {
    Display.getDefault().asyncExec(() -> MessageDialog
            .openError(Display.getDefault().getActiveShell(),
                    Messages.repositoryError,
                    String.format(Messages.repositoryError, project.getName(),
                            version,
                            ProductVersion.CURRENT_VERSION)));
}
 

/**
 *
 * 01. MyClassOne import MyVariableTwo, calls in chain
 * 01a. method of variable type (MyClassTwo),
 * 01b. method of type of this variable type method (MyRoleThree),
 * 01c. MyRoleThree method (typed with MyInterfaceFour)
 * 01d. finally a MyInterfaceFour's method
 * 02. Creating files in an order that there are initial error markers as required files are not created yet
 * 03. When all files have been created no file should have error markers
 *
 * @throws Exception when creating resources fails
 */
@SuppressWarnings("resource")
//@formatter:on
@Test
public void testRenamingMethodAccessedViaSubclass() throws Exception {
	final IProject project = createJSProject("testRenamingMethodAccessedViaSubclass");
	IFolder folder = configureProjectWithXtext(project);
	IFolder moduleFolder = createFolder(folder, TransitiveInheritMemberTestFiles.moduleFolder());

	IFile fileC = createTestFile(moduleFolder, "C", TransitiveInheritMemberTestFiles.C());
	IFile fileB = createTestFile(moduleFolder, "B", TransitiveInheritMemberTestFiles.B());
	IFile fileA = createTestFile(moduleFolder, "A", TransitiveInheritMemberTestFiles.A());
	waitForAutoBuild();

	assertMarkers("File A should have no errors", fileA, 0);
	assertMarkers("File B should have no errors", fileB, 0);
	assertMarkers("File C should have no errors", fileC, 0);

	fileC.setContents(new StringInputStream(TransitiveInheritMemberTestFiles.CChanged().toString()),
			true,
			true,
			monitor());
	waitForAutoBuild();

	assertMarkers("File A with other missing method name in chain should have errors", fileA,
			1);
	assertMarkers("File B should have no errors", fileB, 0);
	assertMarkers("File C should have no errors", fileC, 0);

	fileC.setContents(new StringInputStream(TransitiveInheritMemberTestFiles.C().toString()),
			true,
			true,
			monitor());
	waitForAutoBuild();

	assertMarkers("File A with old method name in chain should have no errors", fileA, 0);
}
 

/**
 * @param processReceiver optional, receives the process after it is started
 */
public static void compile(IJavaProject javaProject, IPath warLocation,
    GWTCompileSettings settings, OutputStream consoleOutputStream,
    IProcessReceiver processReceiver) throws IOException,
    InterruptedException, CoreException, OperationCanceledException {
  IProject project = javaProject.getProject();

  if (settings.getEntryPointModules().isEmpty()) {
    // Nothing to compile, so just return.
    return;
  }

  int processStatus = ProcessUtilities.launchProcessAndWaitFor(
      computeCompilerCommandLine(javaProject, warLocation, settings),
      project.getLocation().toFile(), consoleOutputStream, processReceiver);

  /*
   * Do a refresh on the war folder if it's in the workspace. This ensures
   * that Eclipse sees the generated artifacts from the GWT compile, and
   * doesn't complain about stale resources during subsequent file searches.
   */
  if (warLocation != null) {
     for (IContainer warFolder : ResourcesPlugin.getWorkspace().getRoot()
        .findContainersForLocationURI(URIUtil.toURI(warLocation))) {
      warFolder.refreshLocal(IResource.DEPTH_INFINITE, null);
    }
  }

  if (processStatus != 0) {
    if (processReceiver != null && processReceiver.hasDestroyedProcess()) {
      PrintWriter printWriter = new PrintWriter(consoleOutputStream);
      printWriter.println("GWT compilation terminated by the user.");
      printWriter.flush();
      throw new OperationCanceledException();
    } else {
      throw new CoreException(new Status(IStatus.ERROR, GWTPlugin.PLUGIN_ID,
          "GWT compilation failed"));
    }
  }
}
 

public void setRunning(IProject proj, Boolean value) throws CoreException {
	try{
		if (value != null && value.equals(Boolean.FALSE)){
			value = null;
		}
		if(proj.isOpen()){
			proj.setSessionProperty(new QualifiedName(CommonNames.UI_PATH,CommonNames.ISRUNNING ),value);
		}
	}catch(Exception e){
		Logger.log("DerbyServerUtils.setRunning() error: "+e, IStatus.ERROR);	
		
	}
	DerbyIsRunningDecorator.performUpdateDecor(proj);
}
 

/**
 * 针对项目检查当前导入器是否可用，主要判断是否存在数据模块和当前项目是否设置了术语库
 * @param project
 *            当前项目
 * @return true可用，false不可用
 */
public boolean checkTbMatcher(IProject project) {
	if (termMatch == null) {
		return false;
	}
	return termMatch.checkTbMatcher(project);
}
 

@Test
public void testGetResourcesPerProject_selectedProjectAndClasses() throws JavaModelException {
    // Select project and classes A and B
    List<?> classes = Arrays.asList(getProject(), getClassA(), getClassB());
    Map<IProject, List<WorkItem>> resourcesPerProject = ResourceUtils
            .getResourcesPerProject(new StructuredSelection(classes));

    // We should have project -> [project]
    assertNotNull(resourcesPerProject);
    assertEquals(1, resourcesPerProject.size());
    assertTrue(resourcesPerProject.containsKey(getProject()));
    assertEquals(Collections.singletonList(new WorkItem(getProject())), resourcesPerProject.get(getProject()));
}