Examples of org.eclipse.jdt.core.IJavaElement

org.eclipse.jdt.core.IJavaElement
Common protocol for all elements provided by the Java model. Java model elements are exposed to clients as handles to the actual underlying element. The Java model may hand out any number of handles for each element. Handles that refer to the same element are guaranteed to be equal, but not necessarily identical.
Methods annotated as "handle-only" do not require underlying elements to exist. Methods that require underlying elements to exist throw a JavaModelException when an underlying element is missing. JavaModelException.isDoesNotExist can be used to recognize this common special case.
@noimplement This interface is not intended to be implemented by clients.

        HashMap<String, List<String>> forPackage = new HashMap<String, List<String>>();        
        for(Point each: mapPerProject.getConfiguration().points()) {
            String fileName = each.getDocument();
            IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
            IResource resource = root.findMember(new Path(fileName));
            IJavaElement create = JavaCore.create(resource);
            
            if (!(create instanceof ICompilationUnit)) continue;
            ICompilationUnit unit = (ICompilationUnit) create;
            try {
                IPackageDeclaration[] packageDeclarations = unit.getPackageDeclarations();

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            JavaCompletionProposal jcp = (JavaCompletionProposal) o;
            //TODO: FIXME: this is very fragile as it uses reflection to access the private completion field.
            //Yet this is needed to do mvel filtering based on the method signtures, IF we use the richer JDT completion
            //                    Object field = ReflectionUtils.getField( o,
            //                                                             "fProposal" );
            IJavaElement javaElement = jcp.getJavaElement();
            if ( javaElement.getElementType() == IJavaElement.FIELD ) {
                set.add( o );


            }
        } else {
            set.add( o );

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    int index = name.length();
    /* Stop at the last fragment */
    JavaProject project = (JavaProject) this.compilationUnit.getJavaProject();
    do {
      String testedName = new String(searchedName, 0, index);
      IJavaElement fragment = null;
      try {
        fragment = project.findPackageFragment(testedName);
      } catch (JavaModelException e) {
        return name;
      }

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    try {
      if (!this.hasComputedEnclosingJavaElements) {
        computeEnclosingJavaElements();
      }
      if (this.compilationUnit == null) return null;
      IJavaElement enclosingElement = this.compilationUnit.getElementAt(this.completionContext.offset);
      return enclosingElement == null ? this.compilationUnit : enclosingElement;
    } catch (JavaModelException e) {
      Util.log(e, "Cannot compute enclosing element"); //$NON-NLS-1$
      return null;
    }

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    final int length = elements.length;
    final HashMap sourceElementPositions = new HashMap(); // a map from ICompilationUnit to int[] (positions in elements)
    int cuNumber = 0;
    final HashtableOfObjectToInt binaryElementPositions = new HashtableOfObjectToInt(); // a map from String (binding key) to int (position in elements)
    for (int i = 0; i < length; i++) {
      IJavaElement element = elements[i];
      if (!(element instanceof SourceRefElement))
        throw new IllegalStateException(element + " is not part of a compilation unit or class file"); //$NON-NLS-1$
      Object cu = element.getAncestor(IJavaElement.COMPILATION_UNIT);
      if (cu != null) {
        // source member
        IntArrayList intList = (IntArrayList) sourceElementPositions.get(cu);
        if (intList == null) {
          sourceElementPositions.put(cu, intList = new IntArrayList());

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}
private boolean filterEnum(SearchMatch match) {
  
  // filter org.apache.commons.lang.enum package for projects above 1.5 
  // https://bugs.eclipse.org/bugs/show_bug.cgi?id=317264  
  IJavaElement element = (IJavaElement)match.getElement();
  PackageFragment pkg = (PackageFragment)element.getAncestor(IJavaElement.PACKAGE_FRAGMENT);
  if (pkg != null) {
    // enum was found in org.apache.commons.lang.enum at index 5
    if (pkg.names.length == 5 && pkg.names[4].equals("enum")) {  //$NON-NLS-1$
      if (this.options == null) {
        IJavaProject proj = (IJavaProject)pkg.getAncestor(IJavaElement.JAVA_PROJECT);

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    SearchPattern[] patterns = ((OrPattern) searchPattern).patterns;
    for (int i = 0, length = patterns.length; i < length; i++) {
      locatePackageDeclarations(patterns[i], participant, projects);
    }
  } else if (searchPattern instanceof PackageDeclarationPattern) {
    IJavaElement focus = searchPattern.focus;
    if (focus != null) {
      if (encloses(focus)) {
        SearchMatch match = new PackageDeclarationMatch(focus.getAncestor(IJavaElement.PACKAGE_FRAGMENT), SearchMatch.A_ACCURATE, -1, -1, participant, focus.getResource());
        report(match);
      }
      return;
    }
    PackageDeclarationPattern pkgPattern = (PackageDeclarationPattern) searchPattern;

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 * Visit the given method declaration and report the nodes that match exactly the
 * search pattern (i.e. the ones in the matching nodes set)
 * Note that the method declaration has already been checked.
 */
protected void reportMatching(AbstractMethodDeclaration method, TypeDeclaration type, IJavaElement parent, int accuracy, boolean typeInHierarchy, MatchingNodeSet nodeSet) throws CoreException {
  IJavaElement enclosingElement = null;


  // report method declaration itself
  if (accuracy > -1) {
    enclosingElement = createHandle(method, parent);
    if (enclosingElement != null) { // skip if unable to find method

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 * @param otherElements TODO
 */
protected void reportMatching(Annotation[] annotations, IJavaElement enclosingElement, IJavaElement[] otherElements, Binding elementBinding, MatchingNodeSet nodeSet, boolean matchedContainer, boolean enclosesElement) throws CoreException {
  for (int i=0, al=annotations.length; i<al; i++) {
    Annotation annotationType = annotations[i];
    IJavaElement localAnnotation = null;
    IJavaElement[] otherAnnotations = null;
    int length = otherElements == null ? 0 : otherElements.length;
    boolean handlesCreated = false;


    // Look for annotation type ref

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    if (nodes != null) {
      if (!matchedUnitContainer) {
        for (int i = 0, l = nodes.length; i < l; i++)
          nodeSet.matchingNodes.removeKey(nodes[i]);
      } else {
        IJavaElement element = createPackageDeclarationHandle(unit);
        for (int i = 0, l = nodes.length; i < l; i++) {
          ASTNode node = nodes[i];
          Integer level = (Integer) nodeSet.matchingNodes.removeKey(node);
          if (encloses(element)) {
            this.patternLocator.matchReportReference(node, element, null, null, null/*no binding*/, level.intValue(), this);
          }
        }
      }
    }
  }


  if (matchedUnitContainer) {
    ImportReference pkg = unit.currentPackage;
    if (pkg != null && pkg.annotations != null) {
      IJavaElement element = createPackageDeclarationHandle(unit);
      if (element != null) {
        reportMatching(pkg.annotations, element, null, null, nodeSet, true, encloses(element));
      }
    }

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