Example usage for org.eclipse.jdt.core IJavaElementDelta getElement

Introduction

In this page you can find the example usage for org.eclipse.jdt.core IJavaElementDelta getElement.

Prototype

public IJavaElement getElement();

Source Link

Document

Returns the element that this delta describes a change to.

Usage

From source file:at.bestsolution.efxclipse.tooling.model.internal.ModelUpdater.java

License:Open Source License

@Override
public void reconcile(ReconcileContext context) {
    IJavaElementDelta delta = context.getDelta();
    if (delta != null) {
        if (delta.getElement() instanceof ICompilationUnit) {

            ICompilationUnit u = (ICompilationUnit) delta.getElement();
            try {
                for (IType t : u.getTypes()) {
                    FXPlugin.getClassmodel().clearCache(t);
                }//from   www.  j  a va  2 s.  co  m
            } catch (JavaModelException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }
    super.reconcile(context);
}

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From source file:com.amazonaws.eclipse.lambda.project.listener.JavaElementDeltaAcceptor.java

License:Open Source License

public static void accept(IJavaElementDelta delta, Visitor visitor) {
    if (visitor.visit(delta.getElement())) {
        accept(delta.getAffectedChildren(), visitor);
    }// w ww.j a v a  2 s  .  co  m
}

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From source file:com.blackducksoftware.integration.eclipseplugin.internal.listeners.ProjectDependenciesChangedListener.java

License:Apache License

private void visit(final IJavaElementDelta delta) {
    final IJavaElement el = delta.getElement();
    switch (el.getElementType()) {
    case IJavaElement.JAVA_MODEL: {
        visitChildren(delta);//from  www. j  a  va 2  s.  co  m
        break;
    }
    case IJavaElement.JAVA_PROJECT: {
        if (isClasspathChanged(delta.getFlags())) {
            visitChildren(delta);
        }
        break;
    }
    case IJavaElement.PACKAGE_FRAGMENT_ROOT: {
        if ((delta.getFlags() & IJavaElementDelta.F_REMOVED_FROM_CLASSPATH) != 0
                || (delta.getKind() & IJavaElementDelta.REMOVED) != 0) {
            try {
                removeDependency(el);
            } catch (final CoreException | MalformedURLException e) {
                e.printStackTrace();
            }
        }
        if ((delta.getFlags() & IJavaElementDelta.F_ADDED_TO_CLASSPATH) != 0
                || (delta.getKind() & IJavaElementDelta.ADDED) != 0) {
            try {
                addDependency(el);
            } catch (final CoreException | MalformedURLException e) {
                e.printStackTrace();
            }
        }
        break;
    }
    default: {
        break;
    }
    }

}

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From source file:com.cisco.yangide.core.indexing.DeltaProcessor.java

License:Open Source License

private boolean processJavaDeltas(IJavaElementDelta[] affectedChildren) {

    for (IJavaElementDelta d : affectedChildren) {
        IJavaElement element = d.getElement();
        if (element instanceof IPackageFragmentRoot) {
            IPath path = ((IPackageFragmentRoot) element).getPath();

            if (path != null && path.toFile().exists() && path.lastSegment().toLowerCase().endsWith(".jar")) {

                switch (d.getKind()) {
                case IJavaElementDelta.ADDED:
                case IJavaElementDelta.CHANGED:
                    this.manager.indexManager.addJarFile(element.getJavaProject().getProject(), path);
                    break;
                case IJavaElementDelta.REMOVED:
                    this.manager.indexManager.indexAll(element.getJavaProject().getProject());
                    return false;
                }/*w w w . j  av  a 2s.  co  m*/
            }
        }
        if (!processJavaDeltas(d.getAffectedChildren())) {
            return false;
        }
    }
    return true;
}

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From source file:com.codenvy.ide.ext.java.server.internal.core.ModelUpdater.java

License:Open Source License

/**
 * Converts an <code>IResourceDelta</code> and its children into
 * the corresponding <code>IJavaElementDelta</code>s.
 * Return whether the delta corresponds to a resource on the classpath.
 * If it is not a resource on the classpath, it will be added as a non-java
 * resource by the sender of this method.
 *//* w ww . ja va2  s  .c om*/
protected void traverseDelta(IJavaElementDelta delta, IPackageFragmentRoot root, IJavaProject project) {

    boolean processChildren = true;

    Openable element = (Openable) delta.getElement();
    switch (element.getElementType()) {
    case IJavaElement.JAVA_PROJECT:
        project = (IJavaProject) element;
        break;
    case IJavaElement.PACKAGE_FRAGMENT_ROOT:
        root = (IPackageFragmentRoot) element;
        break;
    case IJavaElement.COMPILATION_UNIT:
        // filter out working copies that are not primary (we don't want to add/remove them to/from the package fragment
        CompilationUnit cu = (CompilationUnit) element;
        if (cu.isWorkingCopy() && !cu.isPrimary()) {
            return;
        }
        // $FALL-THROUGH$
    case IJavaElement.CLASS_FILE:
        processChildren = false;
        break;
    }

    switch (delta.getKind()) {
    case IJavaElementDelta.ADDED:
        elementAdded(element);
        break;
    case IJavaElementDelta.REMOVED:
        elementRemoved(element);
        break;
    case IJavaElementDelta.CHANGED:
        if ((delta.getFlags() & IJavaElementDelta.F_CONTENT) != 0) {
            elementChanged(element);
        }
        break;
    }
    if (processChildren) {
        IJavaElementDelta[] children = delta.getAffectedChildren();
        for (int i = 0; i < children.length; i++) {
            IJavaElementDelta childDelta = children[i];
            traverseDelta(childDelta, root, project);
        }
    }
}

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From source file:com.codenvy.ide.ext.java.server.internal.core.search.JavaWorkspaceScope.java

License:Open Source License

public void processDelta(IJavaElementDelta delta, int eventType) {
    if (this.enclosingPaths == null)
        return;/*from   www.j  a  v  a  2  s  .  c o m*/
    IJavaElement element = delta.getElement();
    switch (element.getElementType()) {
    case IJavaElement.JAVA_MODEL:
        IJavaElementDelta[] children = delta.getAffectedChildren();
        for (int i = 0, length = children.length; i < length; i++) {
            IJavaElementDelta child = children[i];
            processDelta(child, eventType);
        }
        break;
    case IJavaElement.JAVA_PROJECT:
        int kind = delta.getKind();
        switch (kind) {
        case IJavaElementDelta.ADDED:
        case IJavaElementDelta.REMOVED:
            this.enclosingPaths = null;
            break;
        case IJavaElementDelta.CHANGED:
            int flags = delta.getFlags();
            if ((flags & IJavaElementDelta.F_CLOSED) != 0 || (flags & IJavaElementDelta.F_OPENED) != 0) {
                this.enclosingPaths = null;
            } else {
                children = delta.getAffectedChildren();
                for (int i = 0, length = children.length; i < length; i++) {
                    IJavaElementDelta child = children[i];
                    processDelta(child, eventType);
                }
            }
            break;
        }
        break;
    case IJavaElement.PACKAGE_FRAGMENT_ROOT:
        kind = delta.getKind();
        switch (kind) {
        case IJavaElementDelta.ADDED:
        case IJavaElementDelta.REMOVED:
            this.enclosingPaths = null;
            break;
        case IJavaElementDelta.CHANGED:
            int flags = delta.getFlags();
            if ((flags & IJavaElementDelta.F_ADDED_TO_CLASSPATH) > 0
                    || (flags & IJavaElementDelta.F_REMOVED_FROM_CLASSPATH) > 0) {
                this.enclosingPaths = null;
            }
            break;
        }
        break;
    }
}

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From source file:com.crispico.flower.mp.codesync.code.java.JavaElementChangedListener.java

License:Open Source License

private void processDelta(IJavaElementDelta deltaToProcess) {
    for (IJavaElementDelta delta : deltaToProcess.getAffectedChildren()) {
        processDelta(delta);// www.j  a v a  2s . c  om
    }

    IJavaProject project = deltaToProcess.getElement().getJavaProject();
    if (project != null) {
        String path = project.getPath().toString();
        EditorStatefulService service = (EditorStatefulService) CommunicationPlugin.getInstance()
                .getServiceRegistry().getService(CodeSyncEditorStatefulService.SERVICE_ID);
        EditableResource editableResource = service.getEditableResource(path);
        if (editableResource != null) {
            for (EditableResourceClient client : editableResource.getClients()) {
                //               try {
                //                  CodeSyncPlugin.getInstance().getDragOnDiagramHandler().handleDragOnDiagram(Arrays.asList(deltaToProcess.getElement().getCorrespondingResource()), null, null, null, client.getCommunicationChannel());
                //               } catch (JavaModelException e) {
                //                  e.printStackTrace();
                //               }
            }
        }
    }
}

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From source file:com.google.gdt.eclipse.core.java.ClasspathChangedListener.java

License:Open Source License

public void elementChanged(ElementChangedEvent event) {
    for (IJavaElementDelta delta : event.getDelta().getChangedChildren()) {
        int flags = delta.getFlags();
        if ((flags & IJavaElementDelta.F_CLASSPATH_CHANGED) != 0) {
            IJavaElement element = delta.getElement();
            if (element.getElementType() != IJavaElement.JAVA_PROJECT) {
                continue;
            }//from w w  w . j  a va  2 s . c  om

            classpathChanged((IJavaProject) element);
        }
    }
}

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From source file:com.google.gdt.eclipse.core.reference.ElementChangeListener.java

License:Open Source License

public void elementChanged(ElementChangedEvent event) {
    final Map<IJavaElement, IJavaElementDelta> changedElements = new HashMap<IJavaElement, IJavaElementDelta>();

    JavaModelSearch.visitJavaElementDelta(event.getDelta(), new IJavaElementDeltaVisitor() {
        public boolean visit(IJavaElementDelta delta) {
            IJavaElement element = delta.getElement();

            /*/* w  w w  .j  a  v a2s.com*/
             * We care about packages being only added or removed because if we
             * called the change listeners on a change to a package, any change
             * to any file in that package will cause all ui.xml files that
             * reference that package (say with xmlns urn imports) to be
             * revalidated. Some projects end up having hundreds of ui.xml files
             * referencing a package, and then saving any change in that package
             * ends up taking tens of seconds.
             */
            int type = element.getElementType();
            if (type == IJavaElement.PACKAGE_FRAGMENT && delta.getKind() == IJavaElementDelta.CHANGED) {
                return true;
            }

            Set<IReference> references = referenceManager.getReferencesWithMatchingJavaElement(element,
                    EnumSet.of(ReferenceLocationType.TARGET));
            if (references != null && references.size() > 0) {
                changedElements.put(element, delta);
            }
            return true;
        }
    });

    if (changedElements.size() > 0) {
        callReferenceChangeListeners(changedElements);
    }
}

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From source file:com.google.gdt.eclipse.managedapis.impl.ManagedApiChangeListener.java

License:Open Source License

/**
 * Implements the standard elementChanged method defined by the
 * IElementChangedListener, this method identifies events of importance to a
 * specific ManagedApiProject and calls the appropriate abstract method on a
 * match./*from  www  . j a  v a  2 s.co m*/
 */
public void elementChanged(ElementChangedEvent event) {
    if (managedApiProject == null) {
        throw new IllegalStateException("managedApiProject must be set prior to registering the listener");
    }

    for (IJavaElementDelta delta : event.getDelta().getRemovedChildren()) {
        int flags = delta.getFlags();
        if (flags == 0) {
            IJavaElement element = delta.getElement();
            IJavaProject javaProject = (IJavaProject) element.getAdapter(IJavaProject.class);
            if (javaProject != null) {
                IProject project = javaProject.getProject();
                if (project.equals(managedApiProject.getJavaProject().getProject())) {
                    managedApiProjectRemoved();
                }
            }
        }
    }

    for (IJavaElementDelta delta : event.getDelta().getChangedChildren()) {
        int flags = delta.getFlags();
        if ((flags & IJavaElementDelta.F_CLASSPATH_CHANGED) != 0) {
            IJavaElement element = delta.getElement();
            if (element.getElementType() == IJavaElement.JAVA_PROJECT
                    && element.equals(managedApiProject.getJavaProject())) {
                Set<ManagedApi> managedApiRemovalSet = new HashSet<ManagedApi>(
                        delta.getChangedChildren().length);
                List<String> managedApiFolderNames = new ArrayList();
                for (IJavaElementDelta childDelta : delta.getChangedChildren()) {
                    if ((childDelta.getFlags() & IJavaElementDelta.F_REMOVED_FROM_CLASSPATH) != 0) {
                        IJavaElement childElement = childDelta.getElement();
                        if (childElement.getElementType() == IJavaElement.PACKAGE_FRAGMENT_ROOT
                                && managedApiProject.isPackageFragmentRootInManagedApi(
                                        (IPackageFragmentRoot) childElement)) {
                            String managedApiFolderName = managedApiProject
                                    .getPathRelativeToManagedApiRoot((IPackageFragmentRoot) childElement);
                            if (!managedApiFolderNames.contains(managedApiFolderName)) {
                                managedApiFolderNames.add(managedApiFolderName);
                                managedApiRemovalSet
                                        .add(managedApiProject.createManagedApi(managedApiFolderName));
                            }
                        }
                    }
                }
                if (managedApiRemovalSet.size() > 0) {
                    managedApiRemoved(
                            managedApiRemovalSet.toArray(new ManagedApiImpl[managedApiRemovalSet.size()]));
                }
            }
        } else if ((flags & IJavaElementDelta.F_CLOSED) != 0) {
            IJavaElement element = delta.getElement();
            if (element.getElementType() == IJavaElement.JAVA_PROJECT
                    && element.equals(managedApiProject.getJavaProject())) {
                managedApiProjectClosed();
            }
        }
    }
}

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