Ejemplo n.º 1
0
  /**
   * Returns whether elements of the given project or jar can see the given focus (an IJavaProject
   * or a JarPackageFragmentRot) either because the focus is part of the project or the jar, or
   * because it is accessible throught the project's classpath
   */
  public static boolean canSeeFocus(SearchPattern pattern, IPath projectOrJarPath) {
    try {
      IJavaModel model = JavaModelManager.getJavaModelManager().getJavaModel();
      IJavaProject project = getJavaProject(projectOrJarPath, model);
      IJavaElement[] focuses = getFocusedElementsAndTypes(pattern, project, null);
      if (focuses.length == 0) return false;
      if (project != null) {
        return canSeeFocus(focuses, (JavaProject) project, null);
      }

      // projectOrJarPath is a jar
      // it can see the focus only if it is on the classpath of a project that can see the focus
      IJavaProject[] allProjects = model.getJavaProjects();
      for (int i = 0, length = allProjects.length; i < length; i++) {
        JavaProject otherProject = (JavaProject) allProjects[i];
        IClasspathEntry entry = otherProject.getClasspathEntryFor(projectOrJarPath);
        if (entry != null && entry.getEntryKind() == IClasspathEntry.CPE_LIBRARY) {
          if (canSeeFocus(focuses, otherProject, null)) {
            return true;
          }
        }
      }
      return false;
    } catch (JavaModelException e) {
      return false;
    }
  }
  private IRuntimeClasspathEntry convertClasspathEntry(IClasspathEntry entry) {
    if (entry == null) return null;

    IPath srcPath = entry.getSourceAttachmentPath();
    if (srcPath != null && srcPath.segmentCount() > 0) {
      IRuntimeClasspathEntry rte = JavaRuntime.newArchiveRuntimeClasspathEntry(entry.getPath());
      rte.setSourceAttachmentPath(srcPath);
      rte.setSourceAttachmentRootPath(entry.getSourceAttachmentRootPath());
      return rte;
    }
    return null;
  }
  private void addProjectSourceContainers(IProject project, ArrayList result) throws CoreException {
    if (project == null || !project.hasNature(JavaCore.NATURE_ID)) return;

    IJavaProject jProject = JavaCore.create(project);
    result.add(JavaRuntime.newProjectRuntimeClasspathEntry(jProject));

    IClasspathEntry[] entries = jProject.getRawClasspath();
    for (int i = 0; i < entries.length; i++) {
      IClasspathEntry entry = entries[i];
      if (entry.getEntryKind() == IClasspathEntry.CPE_LIBRARY) {
        IRuntimeClasspathEntry rte = convertClasspathEntry(entry);
        if (rte != null) result.add(rte);
      }
    }
  }
Ejemplo n.º 4
0
  /* Return the list of projects for which it requires a resource delta. This builder's project
   * is implicitly included and need not be specified. Builders must re-specify the list
   * of interesting projects every time they are run as this is not carried forward
   * beyond the next build. Missing projects should be specified but will be ignored until
   * they are added to the workspace.
   */
  private IProject[] getRequiredProjects(boolean includeBinaryPrerequisites) {
    if (this.javaProject == null || this.workspaceRoot == null) return new IProject[0];

    ArrayList projects = new ArrayList();
    ExternalFoldersManager externalFoldersManager = JavaModelManager.getExternalManager();
    try {
      IClasspathEntry[] entries = this.javaProject.getExpandedClasspath();
      for (int i = 0, l = entries.length; i < l; i++) {
        IClasspathEntry entry = entries[i];
        IPath path = entry.getPath();
        IProject p = null;
        switch (entry.getEntryKind()) {
          case IClasspathEntry.CPE_PROJECT:
            p =
                this.workspaceRoot.getProject(
                    path.lastSegment()); // missing projects are considered too
            if (((ClasspathEntry) entry).isOptional()
                && !JavaProject.hasJavaNature(p)) // except if entry is optional
            p = null;
            break;
          case IClasspathEntry.CPE_LIBRARY:
            if (includeBinaryPrerequisites && path.segmentCount() > 0) {
              // some binary resources on the class path can come from projects that are not
              // included in the project references
              IResource resource = this.workspaceRoot.findMember(path.segment(0));
              if (resource instanceof IProject) {
                p = (IProject) resource;
              } else {
                resource = externalFoldersManager.getFolder(path);
                if (resource != null) p = resource.getProject();
              }
            }
        }
        if (p != null && !projects.contains(p)) projects.add(p);
      }
    } catch (JavaModelException e) {
      return new IProject[0];
    }
    IProject[] result = new IProject[projects.size()];
    projects.toArray(result);
    return result;
  }
Ejemplo n.º 5
0
  private static boolean canSeeFocus(
      IJavaElement focus, JavaProject javaProject, char[][][] focusQualifiedNames) {
    try {
      if (focus == null) return false;
      if (focus.equals(javaProject)) return true;

      if (focus instanceof JarPackageFragmentRoot) {
        // focus is part of a jar
        IPath focusPath = focus.getPath();
        IClasspathEntry[] entries = javaProject.getExpandedClasspath();
        for (int i = 0, length = entries.length; i < length; i++) {
          IClasspathEntry entry = entries[i];
          if (entry.getEntryKind() == IClasspathEntry.CPE_LIBRARY
              && entry.getPath().equals(focusPath)) return true;
        }
        return false;
      }
      // look for dependent projects
      IPath focusPath = ((JavaProject) focus).getProject().getFullPath();
      IClasspathEntry[] entries = javaProject.getExpandedClasspath();
      for (int i = 0, length = entries.length; i < length; i++) {
        IClasspathEntry entry = entries[i];
        if (entry.getEntryKind() == IClasspathEntry.CPE_PROJECT
            && entry.getPath().equals(focusPath)) {
          if (focusQualifiedNames
              != null) { // builder state is usable, hence use it to try to reduce project which can
                         // see the focus...
            State projectState =
                (State)
                    JavaModelManager.getJavaModelManager()
                        .getLastBuiltState(javaProject.getProject(), null);
            if (projectState != null) {
              Object[] values = projectState.getReferences().valueTable;
              int vLength = values.length;
              for (int j = 0; j < vLength; j++) {
                if (values[j] == null) continue;
                ReferenceCollection references = (ReferenceCollection) values[j];
                if (references.includes(focusQualifiedNames, null, null)) {
                  return true;
                }
              }
              return false;
            }
          }
          return true;
        }
      }
      return false;
    } catch (JavaModelException e) {
      return false;
    }
  }
Ejemplo n.º 6
0
  /*
   *  Compute the list of paths which are keying index files.
   */
  private void initializeIndexLocations() {
    IPath[] projectsAndJars = this.searchScope.enclosingProjectsAndJars();
    IndexManager manager = JavaModelManager.getIndexManager();
    SimpleSet locations = new SimpleSet();
    IJavaElement focus = MatchLocator.projectOrJarFocus(this.pattern);
    if (focus == null) {
      for (int i = 0; i < projectsAndJars.length; i++) {
        IPath path = projectsAndJars[i];
        Object target = JavaModel.getTarget(path, false /*don't check existence*/);
        if (target instanceof IFolder) // case of an external folder
        path = ((IFolder) target).getFullPath();
        locations.add(manager.computeIndexLocation(path));
      }
    } else {
      try {
        // See whether the state builder might be used to reduce the number of index locations

        // find the projects from projectsAndJars that see the focus then walk those projects
        // looking for the jars from projectsAndJars
        int length = projectsAndJars.length;
        JavaProject[] projectsCanSeeFocus = new JavaProject[length];
        SimpleSet visitedProjects = new SimpleSet(length);
        int projectIndex = 0;
        SimpleSet externalLibsToCheck = new SimpleSet(length);
        ObjectVector superTypes = new ObjectVector();
        IJavaElement[] focuses = getFocusedElementsAndTypes(this.pattern, focus, superTypes);
        char[][][] focusQualifiedNames = null;
        boolean isAutoBuilding = ResourcesPlugin.getWorkspace().getDescription().isAutoBuilding();
        if (isAutoBuilding && focus instanceof IJavaProject) {
          focusQualifiedNames = getQualifiedNames(superTypes);
        }
        IJavaModel model = JavaModelManager.getJavaModelManager().getJavaModel();
        for (int i = 0; i < length; i++) {
          IPath path = projectsAndJars[i];
          JavaProject project = (JavaProject) getJavaProject(path, model);
          if (project != null) {
            visitedProjects.add(project);
            if (canSeeFocus(focuses, project, focusQualifiedNames)) {
              locations.add(manager.computeIndexLocation(path));
              projectsCanSeeFocus[projectIndex++] = project;
            }
          } else {
            externalLibsToCheck.add(path);
          }
        }
        for (int i = 0; i < projectIndex && externalLibsToCheck.elementSize > 0; i++) {
          IClasspathEntry[] entries = projectsCanSeeFocus[i].getResolvedClasspath();
          for (int j = entries.length; --j >= 0; ) {
            IClasspathEntry entry = entries[j];
            if (entry.getEntryKind() == IClasspathEntry.CPE_LIBRARY) {
              IPath path = entry.getPath();
              if (externalLibsToCheck.remove(path) != null) {
                Object target = JavaModel.getTarget(path, false /*don't check existence*/);
                if (target instanceof IFolder) // case of an external folder
                path = ((IFolder) target).getFullPath();
                locations.add(manager.computeIndexLocation(path));
              }
            }
          }
        }
        // jar files can be included in the search scope without including one of the projects that
        // references them, so scan all projects that have not been visited
        if (externalLibsToCheck.elementSize > 0) {
          IJavaProject[] allProjects = model.getJavaProjects();
          for (int i = 0, l = allProjects.length;
              i < l && externalLibsToCheck.elementSize > 0;
              i++) {
            JavaProject project = (JavaProject) allProjects[i];
            if (!visitedProjects.includes(project)) {
              IClasspathEntry[] entries = project.getResolvedClasspath();
              for (int j = entries.length; --j >= 0; ) {
                IClasspathEntry entry = entries[j];
                if (entry.getEntryKind() == IClasspathEntry.CPE_LIBRARY) {
                  IPath path = entry.getPath();
                  if (externalLibsToCheck.remove(path) != null) {
                    Object target = JavaModel.getTarget(path, false /*don't check existence*/);
                    if (target instanceof IFolder) // case of an external folder
                    path = ((IFolder) target).getFullPath();
                    locations.add(manager.computeIndexLocation(path));
                  }
                }
              }
            }
          }
        }
      } catch (JavaModelException e) {
        // ignored
      }
    }

    this.indexLocations = new IPath[locations.elementSize];
    Object[] values = locations.values;
    int count = 0;
    for (int i = values.length; --i >= 0; )
      if (values[i] != null) this.indexLocations[count++] = (IPath) values[i];
  }