Java IClasspathEntry.CPE_SOURCE属性代码示例

public static void getProjectClassPath(IJavaProject project, List<File> dst) throws Exception {
	IRuntimeClasspathEntry [] rentries = JavaRuntime.computeUnresolvedRuntimeClasspath(project);
	for (IRuntimeClasspathEntry entry : rentries) {
		switch (entry.getType()) {
		case IClasspathEntry.CPE_SOURCE: 
			break;
		case IClasspathEntry.CPE_PROJECT:
			break;
		case IClasspathEntry.CPE_LIBRARY:
			break;
		case IClasspathEntry.CPE_VARIABLE:
			// JRE like entries
			IRuntimeClasspathEntry [] variableEntries  = JavaRuntime.resolveRuntimeClasspathEntry(entry, project);
			break;
		case IClasspathEntry.CPE_CONTAINER:
			IRuntimeClasspathEntry [] containerEntries  = JavaRuntime.resolveRuntimeClasspathEntry(entry, project);
			for (IRuntimeClasspathEntry containerentry : containerEntries) {
				dst.add(new File (containerentry.getLocation()));
			}
			break;
		default:
			throw new Exception("unsupported classpath entry "+entry);
		}
	}
}
 

/**
 * @param projectName
 * @return the direct child folders of the project
 * @throws CoreException
 */
public static List<String> getFilteredSourceFolders(String projectName, String[] excludes) throws CoreException {
	List<String> ret = new ArrayList<String>();
	IJavaProject javaProject = (IJavaProject) JavaCore.create(getProject(projectName));
	IClasspathEntry[] entries = javaProject.getRawClasspath();
	for (int i = 0; i < entries.length; i++) {
		IClasspathEntry entry = entries[i];
		if (entry.getEntryKind() == IClasspathEntry.CPE_SOURCE) {
			IPath path = entry.getPath().makeRelativeTo(new Path(projectName));
			boolean isExcluded = false;
			for (int j = 0; j < excludes.length; j++) {

				if (excludes[j].equalsIgnoreCase(path.toString())) {
					isExcluded = true;
					break;
				}
			}
			if (!isExcluded) {
				String p = path.toString();
				ret.add(p);
			}
		}
	}

	return ret;
}
 

private boolean isSourcePath(String path) throws JavaModelException, BackingStoreException {
  Path pp = new File(instance.getWorkspaceRoot().toString() + File.separator + path).toPath();
  IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
  for (IClasspathEntry entry : project.getRawClasspath()) {
    if (entry.getEntryKind() == IClasspathEntry.CPE_SOURCE) {
      IResource res = root.findMember(entry.getPath());
      if (res != null) {
        String file = res.getLocation().toOSString();
        if (!file.isEmpty() && pp.startsWith(file)) {
          IPath[] inclusionPatterns = entry.getInclusionPatterns();
          if (!matchPatterns(pp, entry.getExclusionPatterns()) && (inclusionPatterns == null
              || inclusionPatterns.length == 0 || matchPatterns(pp, inclusionPatterns))) {
            return true;
          }
        }
      }
    }
  }
  return false;
}
 

/**
 * Remove all JRE runtime entries from the given set
 *
 * @param scope
 *          set to filter
 * @return filtered set without JRE runtime entries
 */
public static Set<IPackageFragmentRoot> filterJREEntries(
    Collection<IPackageFragmentRoot> scope) throws JavaModelException {
  final Set<IPackageFragmentRoot> filtered = new HashSet<IPackageFragmentRoot>();
  for (final IPackageFragmentRoot root : scope) {
    final IClasspathEntry entry = root.getRawClasspathEntry();
    switch (entry.getEntryKind()) {
    case IClasspathEntry.CPE_SOURCE:
    case IClasspathEntry.CPE_LIBRARY:
    case IClasspathEntry.CPE_VARIABLE:
      filtered.add(root);
      break;
    case IClasspathEntry.CPE_CONTAINER:
      IClasspathContainer container = JavaCore.getClasspathContainer(
          entry.getPath(), root.getJavaProject());
      if (container != null
          && container.getKind() == IClasspathContainer.K_APPLICATION) {
        filtered.add(root);
      }
      break;
    }
  }
  return filtered;
}
 

/**
 * Return the set of Java source paths for the given project, relative to the project. Return an
 * empty list if not a Java project.
 */
public static List<IPath> getJavaSourcePaths(IProject project) {
  IJavaProject javaProject = JavaCore.create(project);
  if (!javaProject.exists()) {
    return Collections.emptyList();
  }
  try {
    IClasspathEntry[] classpathEntries = javaProject.getRawClasspath();
    List<IPath> paths = new ArrayList<>();
    for (IClasspathEntry entry : classpathEntries) {
      if (entry.getEntryKind() == IClasspathEntry.CPE_SOURCE) {
        // source paths are absolute to the root folder of the project
        paths.add(entry.getPath().removeFirstSegments(1));
      }
    }
    return paths;
  } catch (JavaModelException ex) {
    return Collections.emptyList();
  }
}
 

public static void removeFromClassPath(IResource res, int type, IJavaProject javaProject, IProgressMonitor monitor) throws JavaModelException
{
	List<IClasspathEntry> entries = new LinkedList<IClasspathEntry>(Arrays.asList(javaProject.getRawClasspath()));
	
	ListIterator<IClasspathEntry> iterator = entries.listIterator();
	boolean changed = false;
	while (iterator.hasNext())
	{
		IClasspathEntry entry = iterator.next();
		if (entry.getEntryKind() ==  IClasspathEntry.CPE_SOURCE)
		{
			if (res.getFullPath().equals(entry.getPath()))
			{
				changed = true;
				if (debug)
					Activator.log("Removing src path [" + res.getFullPath() + "] for project [" + javaProject.getProject().getName() + "]");
				iterator.remove();
			}
		}
	}
	
	if (changed) {
		setClasspath(entries.toArray(new IClasspathEntry[entries.size()]), javaProject, monitor);
	}
}
 

public static void addToClassPath(IResource res, int type, IJavaProject javaProject, IProgressMonitor monitor) throws JavaModelException
{
	Set<IClasspathEntry> entries = new HashSet<IClasspathEntry>(Arrays.asList(javaProject.getRawClasspath()));
	IClasspathEntry entry = null;
	switch (type) {
	case IClasspathEntry.CPE_SOURCE: 
		entry = JavaCore.newSourceEntry(res.getFullPath());
		break;
	case IClasspathEntry.CPE_LIBRARY: 
		entry = JavaCore.newLibraryEntry(res.getFullPath(), null, null, true);
		break;
	case IClasspathEntry.CPE_PROJECT: 
		entry = JavaCore.newProjectEntry(res.getFullPath(), true);
		break;
	}
		
	entries.add(entry);
	setClasspath(entries.toArray(new IClasspathEntry[entries.size()]), javaProject, monitor);
}
 

/**
 * Convert an Eclipse JDT project into an IntelliJ project view
 */
public static ProjectView getProjectView(IProject project)
    throws BackingStoreException, JavaModelException {
  com.google.devtools.bazel.e4b.projectviews.Builder builder = ProjectView.builder();
  IScopeContext projectScope = new ProjectScope(project);
  Preferences projectNode = projectScope.getNode(Activator.PLUGIN_ID);
  for (String s : projectNode.keys()) {
    if (s.startsWith("buildArgs")) {
      builder.addBuildFlag(projectNode.get(s, ""));
    } else if (s.startsWith("target")) {
      builder.addTarget(projectNode.get(s, ""));
    }
  }

  IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
  for (IClasspathEntry entry : ((IJavaProject) project).getRawClasspath()) {
    switch (entry.getEntryKind()) {
      case IClasspathEntry.CPE_SOURCE:
        IResource res = root.findMember(entry.getPath());
        if (res != null) {
          builder.addDirectory(res.getProjectRelativePath().removeFirstSegments(1).toOSString());
        }
        break;
      case IClasspathEntry.CPE_CONTAINER:
        String path = entry.getPath().toOSString();
        if (path.startsWith(STANDARD_VM_CONTAINER_PREFIX)) {
          builder.setJavaLanguageLevel(
              Integer.parseInt(path.substring(STANDARD_VM_CONTAINER_PREFIX.length())));
        }
        break;
    }
  }
  return builder.build();
}
 

private void assertCorrectOutputPathForJavaTestSource() throws JavaModelException {
  IJavaProject javaProject = JavaCore.create(project);
  for (IClasspathEntry entry : javaProject.getRawClasspath()) {
    if (entry.getEntryKind() == IClasspathEntry.CPE_SOURCE
        && containsSegment(entry.getPath(), "test")) {
      assertNotNull(entry.getOutputLocation());
      assertEquals("test-classes", entry.getOutputLocation().lastSegment());
      return;
    }
  }
  fail();
}
 

private void fixTestSourceDirectorySettings(IProject newProject, IProgressMonitor monitor)
    throws CoreException {
  // 1. Fix the output folder of "src/test/java".
  IPath testSourcePath = newProject.getFolder("src/test/java").getFullPath();

  IJavaProject javaProject = JavaCore.create(newProject);
  IClasspathEntry[] entries = javaProject.getRawClasspath();
  for (int i = 0; i < entries.length; i++) {
    IClasspathEntry entry = entries[i];
    if (entry.getEntryKind() == IClasspathEntry.CPE_SOURCE
        && entry.getPath().equals(testSourcePath)
        && entry.getOutputLocation() == null) {  // Default output location?
      IPath oldOutputPath = javaProject.getOutputLocation();
      IPath newOutputPath = oldOutputPath.removeLastSegments(1).append("test-classes");

      entries[i] = JavaCore.newSourceEntry(testSourcePath, ClasspathEntry.INCLUDE_ALL,
          ClasspathEntry.EXCLUDE_NONE, newOutputPath);
      javaProject.setRawClasspath(entries, monitor);
      break;
    }
  }

  // 2. Remove "src/test/java" from the Web Deployment Assembly sources.
  deployAssemblyEntryRemoveJob =
      new DeployAssemblyEntryRemoveJob(newProject, new Path("src/test/java"));
  deployAssemblyEntryRemoveJob.setSystem(true);
  deployAssemblyEntryRemoveJob.schedule();
}
 

private ResourceLoader createResourceLoader(final IProject project) {
  if (project != null) {
    IJavaProject javaProject = JavaCore.create(project);
    if (javaProject != null) {
      IWorkspaceRoot workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
      try {
        IClasspathEntry[] classPathEntries = javaProject.getResolvedClasspath(true);
        URL[] urls = new URL[classPathEntries.length];
        for (int i = 0; i < classPathEntries.length; i++) {
          IClasspathEntry entry = classPathEntries[i];
          IPath path = null;
          switch (entry.getEntryKind()) {
          case IClasspathEntry.CPE_PROJECT:
            IJavaProject requiredProject = JavaCore.create((IProject) workspaceRoot.findMember(entry.getPath()));
            if (requiredProject != null) {
              path = workspaceRoot.findMember(requiredProject.getOutputLocation()).getLocation();
            }
            break;
          case IClasspathEntry.CPE_SOURCE:
            path = workspaceRoot.findMember(entry.getPath()).getLocation();
            break;
          default:
            path = entry.getPath();
            break;
          }
          if (path != null) {
            urls[i] = path.toFile().toURI().toURL();
          }
        }
        ClassLoader parentClassLoader = javaProject.getClass().getClassLoader();
        URLClassLoader classLoader = new URLClassLoader(urls, parentClassLoader);
        return new CustomResourceLoader(classLoader);
      } catch (MalformedURLException | CoreException e) {
        LOG.warn("Failed to create class loader for project " + project.getName(), e);
      }
    }
  }
  return new ResourceLoaderImpl(GeneratorSupport.class.getClassLoader());
}
 

private void addDependencies(final IProgressMonitor monitor, final ICanceler canceler, final WorkspaceBuilder builder)
    throws JavaModelException,
      InterruptedException {
  for (final IJavaProject javaProject : this.model.getJavaProjects()) {
    final String message = MessageFormat.format("scanne dependencies for project {0}", javaProject.getElementName()); //$NON-NLS-1$
    this.logger.log(Level.INFO, message);
    monitor.subTask(message);
    final Project project = builder.getProject(javaProject.getPath().toPortableString());
    if (project == null) {
      continue;
    }
    final Set<ILibrary> libraries = new HashSet<>();
    ClasspathCollector.collect(canceler, libraries, project);
    for (final IClasspathEntry classpathEntry : javaProject.getRawClasspath()) {
      if (canceler.isCanceled()) {
        throw new InterruptedException();
      }
      final int entryKind = classpathEntry.getEntryKind();
      switch (entryKind) {
        case IClasspathEntry.CPE_LIBRARY:
        case IClasspathEntry.CPE_PROJECT: {
          final org.eclipse.core.runtime.IPath path = classpathEntry.getPath();
          final Library library = builder.getLibrary(path.toPortableString());
          if (library == null || libraries.contains(library)) {
            continue;
          }
          ClasspathCollector.collect(canceler, libraries, library);
          if (libraries.contains(project)) {
            final String submessage =
                MessageFormat.format("dependencies for project {0} builds cycle over library {1}", //$NON-NLS-1$
                    javaProject.getElementName(), library.getName());
            this.logger.log(Level.ERROR, submessage);
            this.logger.log(Level.ERROR, ObjectUtilities.toString(library));
            throw new JavaModelException(new Exception(submessage), IStatus.ERROR);
          }
          libraries.add(library);
          project.getDependencies().add(new Dependency(library, classpathEntry.isExported()));
          break;
        }
        case IClasspathEntry.CPE_CONTAINER: {
          break;
        }
        case IClasspathEntry.CPE_SOURCE: {
          break;
        }
        case IClasspathEntry.CPE_VARIABLE: {
          break;
        }
        default:
          break;
      }
      project.setClasspath(libraries);
    }
  }
}
 

protected void addProjectEntries(Set<IRuntimeClasspathEntry> resolved, IPath path, int scope, String classifier,
      ILaunchConfiguration launchConfiguration, final IProgressMonitor monitor) throws CoreException {
    IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
    IProject project = root.getProject(path.segment(0));

    IMavenProjectFacade projectFacade = projectManager.create(project, monitor);
    if(projectFacade == null) {
      return;
    }

    ResolverConfiguration configuration = projectFacade.getResolverConfiguration();
    if(configuration == null) {
      return;
    }

    IJavaProject javaProject = JavaCore.create(project);

    boolean projectResolved = false;

    for(IClasspathEntry entry : javaProject.getRawClasspath()) {
      IRuntimeClasspathEntry rce = null;
      switch(entry.getEntryKind()) {
        case IClasspathEntry.CPE_SOURCE:
          if(!projectResolved) {

            IMavenClassifierManager mavenClassifierManager = MavenJdtPlugin.getDefault().getMavenClassifierManager();
            IClassifierClasspathProvider classifierClasspathProvider = mavenClassifierManager
                .getClassifierClasspathProvider(projectFacade, classifier);

            if(IClasspathManager.CLASSPATH_TEST == scope) {
              classifierClasspathProvider.setTestClasspath(resolved, projectFacade, monitor);
            } else {
              classifierClasspathProvider.setRuntimeClasspath(resolved, projectFacade, monitor);
            }

            projectResolved = true;
          }
          break;
        case IClasspathEntry.CPE_CONTAINER:
          IClasspathContainer container = JavaCore.getClasspathContainer(entry.getPath(), javaProject);
          if(container != null && !MavenClasspathHelpers.isMaven2ClasspathContainer(entry.getPath())) {
            switch(container.getKind()) {
              case IClasspathContainer.K_APPLICATION:
                rce = JavaRuntime.newRuntimeContainerClasspathEntry(container.getPath(),
                    IRuntimeClasspathEntry.USER_CLASSES, javaProject);
                break;
//                case IClasspathContainer.K_DEFAULT_SYSTEM:
//                  unresolved.add(JavaRuntime.newRuntimeContainerClasspathEntry(container.getPath(), IRuntimeClasspathEntry.STANDARD_CLASSES, javaProject));
//                  break;
//                case IClasspathContainer.K_SYSTEM:
//                  unresolved.add(JavaRuntime.newRuntimeContainerClasspathEntry(container.getPath(), IRuntimeClasspathEntry.BOOTSTRAP_CLASSES, javaProject));
//                  break;
            }
          }
          break;
        case IClasspathEntry.CPE_LIBRARY:
          rce = JavaRuntime.newArchiveRuntimeClasspathEntry(entry.getPath());
          break;
        case IClasspathEntry.CPE_VARIABLE:
          if(!JavaRuntime.JRELIB_VARIABLE.equals(entry.getPath().segment(0))) {
            rce = JavaRuntime.newVariableRuntimeClasspathEntry(entry.getPath());
          }
          break;
        case IClasspathEntry.CPE_PROJECT:
          IProject res = root.getProject(entry.getPath().segment(0));
          if(res != null) {
            IJavaProject otherProject = JavaCore.create(res);
            if(otherProject != null) {
              rce = JavaRuntime.newDefaultProjectClasspathEntry(otherProject);
            }
          }
          break;
        default:
          break;
      }
      if(rce != null) {
        addStandardClasspathEntries(resolved, rce, launchConfiguration);
      }
    }
  }