| /******************************************************************************* |
| * Copyright (c) 2009, 2014 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.pde.api.tools.ui.internal.wizards; |
| |
| import java.util.Arrays; |
| import java.util.Comparator; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.OperationCanceledException; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.jobs.Job; |
| import org.eclipse.jdt.core.IClassFile; |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.IPackageFragment; |
| import org.eclipse.jdt.core.IPackageFragmentRoot; |
| import org.eclipse.jdt.core.IType; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.pde.api.tools.internal.ApiBaselineManager; |
| import org.eclipse.pde.api.tools.internal.provisional.ApiPlugin; |
| import org.eclipse.pde.api.tools.internal.provisional.Factory; |
| import org.eclipse.pde.api.tools.internal.provisional.IApiAnnotations; |
| import org.eclipse.pde.api.tools.internal.provisional.IApiDescription; |
| import org.eclipse.pde.api.tools.internal.provisional.VisibilityModifiers; |
| import org.eclipse.pde.api.tools.internal.provisional.comparator.ApiComparator; |
| import org.eclipse.pde.api.tools.internal.provisional.comparator.ApiScope; |
| import org.eclipse.pde.api.tools.internal.provisional.comparator.IDelta; |
| import org.eclipse.pde.api.tools.internal.provisional.model.IApiBaseline; |
| import org.eclipse.pde.api.tools.internal.provisional.model.IApiComponent; |
| import org.eclipse.pde.api.tools.internal.provisional.model.IApiScope; |
| import org.eclipse.pde.api.tools.internal.provisional.model.IApiTypeRoot; |
| import org.eclipse.pde.api.tools.ui.internal.actions.ActionMessages; |
| import org.eclipse.pde.api.tools.ui.internal.actions.DeltaSession; |
| |
| /** |
| * Default operation for comparing a given selection to the given API baseline |
| * |
| * @since 1.0.1 |
| */ |
| public class CompareOperation extends Job { |
| |
| private IApiBaseline baseline = null; |
| private IStructuredSelection selection = null; |
| |
| /** |
| * Constructor |
| * |
| * @param baseline |
| * @param selection |
| */ |
| public CompareOperation(IApiBaseline baseline, IStructuredSelection selection) { |
| super(ActionMessages.CompareWithAction_comparing_apis); |
| this.baseline = baseline; |
| Assert.isNotNull(this.baseline); |
| this.selection = selection; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see org.eclipse.core.runtime.jobs.Job#run(org.eclipse.core.runtime. |
| * IProgressMonitor) |
| */ |
| @Override |
| protected IStatus run(IProgressMonitor monitor) { |
| monitor.beginTask(ActionMessages.CompareDialogCollectingElementTaskName, IProgressMonitor.UNKNOWN); |
| String baselineName = this.baseline.getName(); |
| final IApiScope scope = walkStructureSelection(this.selection, monitor); |
| try { |
| monitor.subTask(ActionMessages.CompareDialogComputeDeltasTaskName); |
| try { |
| IDelta delta = ApiComparator.compare(scope, baseline, VisibilityModifiers.API, false, monitor); |
| if (delta == null) { |
| // we don't want to continue. The .log file should already |
| // contain details about the failure |
| return Status.CANCEL_STATUS; |
| } |
| int size = this.selection.size(); |
| String description = NLS.bind(ActionMessages.CompareWithAction_compared_with_against, new Object[] { |
| new Integer(size), baselineName, |
| new Integer(delta.getChildren().length) }); |
| if (size == 0) { |
| description = ActionMessages.CompareWithAction_compared_against_nothing; |
| } else if (size == 1) { |
| Object selectedElement = this.selection.getFirstElement(); |
| String elementName = selectedElement instanceof IJavaElement ? ((IJavaElement) selectedElement).getElementName() : selectedElement.toString(); |
| description = NLS.bind(ActionMessages.CompareWithAction_compared_project_with, new Object[] { |
| elementName, |
| baselineName, |
| new Integer(delta.getChildren().length) }); |
| } |
| ApiPlugin.getDefault().getSessionManager().addSession(new DeltaSession(description, delta, baselineName), true); |
| return Status.OK_STATUS; |
| } catch (CoreException e) { |
| ApiPlugin.log(e); |
| } catch (OperationCanceledException e) { |
| // ignore |
| } |
| } finally { |
| monitor.done(); |
| } |
| return Status.CANCEL_STATUS; |
| } |
| |
| /** |
| * @param structuredSelection |
| * @param monitor |
| * @return the scope |
| */ |
| public static ApiScope walkStructureSelection(IStructuredSelection structuredSelection, IProgressMonitor monitor) { |
| Object[] selected = structuredSelection.toArray(); |
| ApiScope scope = new ApiScope(); |
| IApiBaseline workspaceBaseline = ApiBaselineManager.getManager().getWorkspaceBaseline(); |
| if (workspaceBaseline == null) { |
| return scope; |
| } |
| Arrays.sort(selected, new Comparator<Object>() { |
| @Override |
| public int compare(Object o1, Object o2) { |
| if (o1 instanceof IJavaElement && o2 instanceof IJavaElement) { |
| IJavaElement element = (IJavaElement) o1; |
| IJavaElement element2 = (IJavaElement) o2; |
| return element.getElementType() - element2.getElementType(); |
| } |
| return 0; |
| } |
| }); |
| int length = selected.length; |
| for (int i = 0; i < length; i++) { |
| Object currentSelection = selected[i]; |
| if (currentSelection instanceof IJavaElement) { |
| IJavaElement element = (IJavaElement) currentSelection; |
| IJavaProject javaProject = element.getJavaProject(); |
| try { |
| switch (element.getElementType()) { |
| case IJavaElement.COMPILATION_UNIT: { |
| ICompilationUnit compilationUnit = (ICompilationUnit) element; |
| IApiComponent apiComponent = workspaceBaseline.getApiComponent(javaProject.getElementName()); |
| if (apiComponent != null) { |
| addElementFor(compilationUnit, apiComponent, scope); |
| } |
| break; |
| } |
| case IJavaElement.PACKAGE_FRAGMENT: { |
| IPackageFragment fragment = (IPackageFragment) element; |
| IApiComponent apiComponent = workspaceBaseline.getApiComponent(javaProject.getElementName()); |
| IPackageFragmentRoot packageFragmentRoot = (IPackageFragmentRoot) fragment.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT); |
| boolean isArchive = false; |
| if (packageFragmentRoot != null) { |
| isArchive = packageFragmentRoot.isArchive(); |
| } |
| if (apiComponent != null) { |
| addElementFor(fragment, isArchive, apiComponent, scope); |
| } |
| break; |
| } |
| case IJavaElement.PACKAGE_FRAGMENT_ROOT: { |
| IPackageFragmentRoot fragmentRoot = (IPackageFragmentRoot) element; |
| IApiComponent apiComponent = workspaceBaseline.getApiComponent(javaProject.getElementName()); |
| if (apiComponent != null) { |
| addElementFor(fragmentRoot, apiComponent, scope); |
| } |
| break; |
| } |
| case IJavaElement.JAVA_PROJECT: |
| IApiComponent apiComponent = workspaceBaseline.getApiComponent(javaProject.getElementName()); |
| if (apiComponent != null) { |
| scope.addElement(apiComponent); |
| } |
| break; |
| default: |
| break; |
| } |
| } catch (JavaModelException e) { |
| ApiPlugin.log(e); |
| } catch (CoreException e) { |
| ApiPlugin.log(e); |
| } |
| } |
| } |
| return scope; |
| } |
| |
| private static void addElementFor(IPackageFragmentRoot fragmentRoot, IApiComponent apiComponent, ApiScope scope) throws JavaModelException, CoreException { |
| boolean isArchive = fragmentRoot.isArchive(); |
| IJavaElement[] packageFragments = fragmentRoot.getChildren(); |
| for (int j = 0, max2 = packageFragments.length; j < max2; j++) { |
| IPackageFragment packageFragment = (IPackageFragment) packageFragments[j]; |
| addElementFor(packageFragment, isArchive, apiComponent, scope); |
| } |
| } |
| |
| private static void addElementFor(IPackageFragment packageFragment, boolean isArchive, IApiComponent apiComponent, ApiScope scope) throws JavaModelException, CoreException { |
| |
| // add package fragment elements only if this is an API package |
| IApiDescription apiDescription = apiComponent.getApiDescription(); |
| IApiAnnotations annotations = apiDescription.resolveAnnotations(Factory.packageDescriptor(packageFragment.getElementName())); |
| if (annotations == null || !VisibilityModifiers.isAPI(annotations.getVisibility())) { |
| return; |
| } |
| if (isArchive) { |
| IClassFile[] classFiles = packageFragment.getClassFiles(); |
| for (int i = 0, max = classFiles.length; i < max; i++) { |
| addElementFor(classFiles[i], apiComponent, scope); |
| } |
| } else { |
| ICompilationUnit[] units = packageFragment.getCompilationUnits(); |
| for (int i = 0, max = units.length; i < max; i++) { |
| addElementFor(units[i], apiComponent, scope); |
| } |
| } |
| } |
| |
| private static void addElementFor(IClassFile classFile, IApiComponent apiComponent, ApiScope scope) { |
| try { |
| IApiTypeRoot typeRoot = apiComponent.findTypeRoot(classFile.getType().getFullyQualifiedName()); |
| if (typeRoot != null) { |
| scope.addElement(typeRoot); |
| } |
| } catch (CoreException e) { |
| ApiPlugin.log(e); |
| } |
| } |
| |
| private static void addElementFor(ICompilationUnit compilationUnit, IApiComponent component, ApiScope scope) throws JavaModelException { |
| IType[] types = compilationUnit.getTypes(); |
| for (int i = 0, max = types.length; i < max; i++) { |
| try { |
| IApiTypeRoot typeRoot = component.findTypeRoot(types[i].getFullyQualifiedName()); |
| if (typeRoot != null) { |
| scope.addElement(typeRoot); |
| } |
| } catch (CoreException e) { |
| ApiPlugin.log(e); |
| } |
| } |
| } |
| } |