| /******************************************************************************* |
| * Copyright (c) 2004, 2015 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.jdt.launching.sourcelookup.containers; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IContainer; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IWorkspaceRoot; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.debug.core.sourcelookup.ISourceContainer; |
| import org.eclipse.debug.core.sourcelookup.ISourceContainerType; |
| import org.eclipse.debug.core.sourcelookup.containers.CompositeSourceContainer; |
| import org.eclipse.debug.core.sourcelookup.containers.FolderSourceContainer; |
| import org.eclipse.debug.core.sourcelookup.containers.ProjectSourceContainer; |
| import org.eclipse.jdt.core.IClasspathEntry; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.internal.launching.LaunchingPlugin; |
| |
| /** |
| * Java project source container. Searches for source in a project's |
| * source folders. |
| * <p> |
| * This class may be instantiated. |
| * </p> |
| * |
| * @since 3.0 |
| * @noextend This class is not intended to be sub-classed by clients. |
| */ |
| public class JavaProjectSourceContainer extends CompositeSourceContainer { |
| |
| // Java project |
| private IJavaProject fProject; |
| // Source folders |
| private ISourceContainer[] fSourceFolders; |
| // Generic project container |
| private ISourceContainer[] fOthers; |
| |
| private static String[] fgJavaExtensions = null; |
| |
| /** |
| * initialize java file extensions |
| */ |
| static { |
| String[] extensions = JavaCore.getJavaLikeExtensions(); |
| fgJavaExtensions = new String[extensions.length]; |
| for (int i = 0; i < extensions.length; i++) { |
| String ext = extensions[i]; |
| fgJavaExtensions[i] = '.' + ext; |
| } |
| } |
| |
| /** |
| * Unique identifier for Java project source container type |
| * (value <code>org.eclipse.jdt.launching.sourceContainer.javaProject</code>). |
| */ |
| public static final String TYPE_ID = LaunchingPlugin.getUniqueIdentifier() + ".sourceContainer.javaProject"; //$NON-NLS-1$ |
| |
| /** |
| * Constructs a source container on the given Java project. |
| * |
| * @param project project to look for source in |
| */ |
| public JavaProjectSourceContainer(IJavaProject project) { |
| fProject = project; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.core.sourcelookup.ISourceContainer#getName() |
| */ |
| @Override |
| public String getName() { |
| return fProject.getElementName(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.core.sourcelookup.ISourceContainer#getType() |
| */ |
| @Override |
| public ISourceContainerType getType() { |
| return getSourceContainerType(TYPE_ID); |
| } |
| |
| /** |
| * Returns the Java project associated with this source container. |
| * |
| * @return Java project |
| */ |
| public IJavaProject getJavaProject() { |
| return fProject; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.core.sourcelookup.containers.CompositeSourceContainer#createSourceContainers() |
| */ |
| @Override |
| protected ISourceContainer[] createSourceContainers() throws CoreException { |
| List<ISourceContainer> containers = new ArrayList<>(); |
| IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot(); |
| if (fProject.getProject().isOpen()) { |
| IClasspathEntry[] entries = fProject.getRawClasspath(); |
| for (int i = 0; i < entries.length; i++) { |
| IClasspathEntry entry = entries[i]; |
| switch (entry.getEntryKind()) { |
| case IClasspathEntry.CPE_SOURCE: |
| IPath path = entry.getPath(); |
| IResource resource = root.findMember(path); |
| if (resource instanceof IContainer) { |
| containers.add(new FolderSourceContainer((IContainer)resource, false)); |
| } |
| break; |
| } |
| } |
| } |
| // cache the Java source folders to search for java like files in |
| fSourceFolders = containers.toArray(new ISourceContainer[containers.size()]); |
| ISourceContainer theProject = new ProjectSourceContainer(fProject.getProject(), false); |
| fOthers = new ISourceContainer[] {theProject}; |
| containers.add(theProject); |
| return containers.toArray(new ISourceContainer[containers.size()]); |
| } |
| /* (non-Javadoc) |
| * @see java.lang.Object#equals(java.lang.Object) |
| */ |
| @Override |
| public boolean equals(Object obj) { |
| if (obj instanceof JavaProjectSourceContainer) { |
| return getJavaProject().equals(((JavaProjectSourceContainer)obj).getJavaProject()); |
| } |
| return super.equals(obj); |
| } |
| /* (non-Javadoc) |
| * @see java.lang.Object#hashCode() |
| */ |
| @Override |
| public int hashCode() { |
| return getJavaProject().hashCode(); |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.sourcelookup.ISourceContainer#findSourceElements(java.lang.String) |
| */ |
| @Override |
| public Object[] findSourceElements(String name) throws CoreException { |
| // force container initialization |
| getSourceContainers(); |
| |
| if (isJavaLikeFileName(name)) { |
| // only look in source folders |
| Object[] objects = findSourceElements(name, fSourceFolders); |
| List<Object> filtered = null; |
| for (int i = 0; i < objects.length; i++) { |
| Object object = objects[i]; |
| if (object instanceof IResource) { |
| if (!getJavaProject().isOnClasspath((IResource)object)) { |
| if (filtered == null) { |
| filtered = new ArrayList<>(objects.length); |
| for (int j = 0; j < objects.length; j++) { |
| filtered.add(objects[j]); |
| } |
| } |
| filtered.remove(object); |
| } |
| } |
| } |
| if (filtered == null) { |
| return objects; |
| } |
| return filtered.toArray(); |
| } |
| // look elsewhere if not a java like file |
| return findSourceElements(name, fOthers); |
| } |
| @Override |
| public void dispose() { |
| fSourceFolders = null; |
| fOthers = null; |
| super.dispose(); |
| } |
| |
| private boolean isJavaLikeFileName(String name) { |
| for (int i = 0; i < fgJavaExtensions.length; i++) { |
| String ext = fgJavaExtensions[i]; |
| if (name.endsWith(ext)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| } |