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/*******************************************************************************
* Copyright (c) 2000, 2013 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.internal.core.search.indexing;
import java.io.IOException;
import java.net.URI;
import java.util.HashSet;
import org.eclipse.core.filesystem.EFS;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceProxy;
import org.eclipse.core.resources.IResourceProxyVisitor;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.internal.compiler.SourceElementParser;
import org.eclipse.jdt.internal.compiler.util.SimpleLookupTable;
import org.eclipse.jdt.internal.core.ClasspathEntry;
import org.eclipse.jdt.internal.core.JavaProject;
import org.eclipse.jdt.internal.core.index.Index;
import org.eclipse.jdt.internal.core.search.processing.JobManager;
import org.eclipse.jdt.internal.core.util.Util;
@SuppressWarnings({"rawtypes", "unchecked"})
public class IndexAllProject extends IndexRequest {
IProject project;
public IndexAllProject(IProject project, IndexManager manager) {
super(project.getFullPath(), manager);
this.project = project;
}
public boolean equals(Object o) {
if (o instanceof IndexAllProject)
return this.project.equals(((IndexAllProject) o).project);
return false;
}
/**
* Ensure consistency of a project index. Need to walk all nested resources,
* and discover resources which have either been changed, added or deleted
* since the index was produced.
*/
public boolean execute(IProgressMonitor progressMonitor) {
if (this.isCancelled || progressMonitor != null && progressMonitor.isCanceled()) return true;
if (!this.project.isAccessible()) return true; // nothing to do
ReadWriteMonitor monitor = null;
try {
// Get source folder entries. Libraries are done as a separate job
JavaProject javaProject = (JavaProject)JavaCore.create(this.project);
// Do not create marker while getting raw classpath (see bug 41859)
IClasspathEntry[] entries = javaProject.getRawClasspath();
int length = entries.length;
IClasspathEntry[] sourceEntries = new IClasspathEntry[length];
int sourceEntriesNumber = 0;
for (int i = 0; i < length; i++) {
IClasspathEntry entry = entries[i];
if (entry.getEntryKind() == IClasspathEntry.CPE_SOURCE)
sourceEntries[sourceEntriesNumber++] = entry;
}
if (sourceEntriesNumber == 0) {
IPath projectPath = javaProject.getPath();
for (int i = 0; i < length; i++) {
IClasspathEntry entry = entries[i];
if (entry.getEntryKind() == IClasspathEntry.CPE_LIBRARY && entry.getPath().equals(projectPath)) {
// the project is also a library folder (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=89815)
// ensure a job exists to index it as a binary folder
this.manager.indexLibrary(projectPath, this.project, ((ClasspathEntry)entry).getLibraryIndexLocation());
return true;
}
}
// nothing to index but want to save an empty index file so its not 'rebuilt' when part of a search request
Index index = this.manager.getIndexForUpdate(this.containerPath, true, /*reuse index file*/ true /*create if none*/);
if (index != null)
this.manager.saveIndex(index);
return true;
}
if (sourceEntriesNumber != length)
System.arraycopy(sourceEntries, 0, sourceEntries = new IClasspathEntry[sourceEntriesNumber], 0, sourceEntriesNumber);
Index index = this.manager.getIndexForUpdate(this.containerPath, true, /*reuse index file*/ true /*create if none*/);
if (index == null) return true;
monitor = index.monitor;
if (monitor == null) return true; // index got deleted since acquired
monitor.enterRead(); // ask permission to read
String[] paths = index.queryDocumentNames(""); // all file names //$NON-NLS-1$
int max = paths == null ? 0 : paths.length;
final SimpleLookupTable indexedFileNames = new SimpleLookupTable(max == 0 ? 33 : max + 11);
final String OK = "OK"; //$NON-NLS-1$
final String DELETED = "DELETED"; //$NON-NLS-1$
if (paths != null) {
for (int i = 0; i < max; i++)
indexedFileNames.put(paths[i], DELETED);
}
final long indexLastModified = max == 0 ? 0L : index.getIndexLastModified();
IWorkspaceRoot root = this.project.getWorkspace().getRoot();
for (int i = 0; i < sourceEntriesNumber; i++) {
if (this.isCancelled) return false;
IClasspathEntry entry = sourceEntries[i];
IResource sourceFolder = root.findMember(entry.getPath());
if (sourceFolder != null) {
// collect output locations if source is project (see http://bugs.eclipse.org/bugs/show_bug.cgi?id=32041)
final HashSet outputs = new HashSet();
if (sourceFolder.getType() == IResource.PROJECT) {
// Do not create marker while getting output location (see bug 41859)
outputs.add(javaProject.getOutputLocation());
for (int j = 0; j < sourceEntriesNumber; j++) {
IPath output = sourceEntries[j].getOutputLocation();
if (output != null) {
outputs.add(output);
}
}
}
final boolean hasOutputs = !outputs.isEmpty();
final char[][] inclusionPatterns = ((ClasspathEntry) entry).fullInclusionPatternChars();
final char[][] exclusionPatterns = ((ClasspathEntry) entry).fullExclusionPatternChars();
if (max == 0) {
sourceFolder.accept(
new IResourceProxyVisitor() {
public boolean visit(IResourceProxy proxy) {
if (IndexAllProject.this.isCancelled) return false;
switch(proxy.getType()) {
case IResource.FILE :
if (org.eclipse.jdt.internal.core.util.Util.isJavaLikeFileName(proxy.getName())) {
IFile file = (IFile) proxy.requestResource();
if (exclusionPatterns != null || inclusionPatterns != null)
if (Util.isExcluded(file, inclusionPatterns, exclusionPatterns))
return false;
indexedFileNames.put(Util.relativePath(file.getFullPath(), 1/*remove project segment*/), file);
}
return false;
case IResource.FOLDER :
if (exclusionPatterns != null && inclusionPatterns == null) {
// if there are inclusion patterns then we must walk the children
if (Util.isExcluded(proxy.requestFullPath(), inclusionPatterns, exclusionPatterns, true))
return false;
}
if (hasOutputs && outputs.contains(proxy.requestFullPath()))
return false;
}
return true;
}
},
IResource.NONE
);
} else {
sourceFolder.accept(
new IResourceProxyVisitor() {
public boolean visit(IResourceProxy proxy) throws CoreException {
if (IndexAllProject.this.isCancelled) return false;
switch(proxy.getType()) {
case IResource.FILE :
if (org.eclipse.jdt.internal.core.util.Util.isJavaLikeFileName(proxy.getName())) {
IFile file = (IFile) proxy.requestResource();
URI location = file.getLocationURI();
if (location == null) return false;
if (exclusionPatterns != null || inclusionPatterns != null)
if (Util.isExcluded(file, inclusionPatterns, exclusionPatterns))
return false;
String relativePathString = Util.relativePath(file.getFullPath(), 1/*remove project segment*/);
indexedFileNames.put(relativePathString,
indexedFileNames.get(relativePathString) == null
|| indexLastModified < EFS.getStore(location).fetchInfo().getLastModified()
? (Object) file
: (Object) OK);
}
return false;
case IResource.FOLDER :
if (exclusionPatterns != null || inclusionPatterns != null)
if (Util.isExcluded(proxy.requestResource(), inclusionPatterns, exclusionPatterns))
return false;
if (hasOutputs && outputs.contains(proxy.requestFullPath()))
return false;
}
return true;
}
},
IResource.NONE
);
}
}
}
SourceElementParser parser = this.manager.getSourceElementParser(javaProject, null/*requestor will be set by indexer*/);
Object[] names = indexedFileNames.keyTable;
Object[] values = indexedFileNames.valueTable;
for (int i = 0, namesLength = names.length; i < namesLength; i++) {
String name = (String) names[i];
if (name != null) {
if (this.isCancelled) return false;
Object value = values[i];
if (value != OK) {
if (value == DELETED)
this.manager.remove(name, this.containerPath);
else
this.manager.addSource((IFile) value, this.containerPath, parser);
}
}
}
// request to save index when all cus have been indexed... also sets state to SAVED_STATE
this.manager.request(new SaveIndex(this.containerPath, this.manager));
} catch (CoreException e) {
if (JobManager.VERBOSE) {
Util.verbose("-> failed to index " + this.project + " because of the following exception:", System.err); //$NON-NLS-1$ //$NON-NLS-2$
e.printStackTrace();
}
this.manager.removeIndex(this.containerPath);
return false;
} catch (IOException e) {
if (JobManager.VERBOSE) {
Util.verbose("-> failed to index " + this.project + " because of the following exception:", System.err); //$NON-NLS-1$ //$NON-NLS-2$
e.printStackTrace();
}
this.manager.removeIndex(this.containerPath);
return false;
} finally {
if (monitor != null)
monitor.exitRead(); // free read lock
}
return true;
}
public int hashCode() {
return this.project.hashCode();
}
protected Integer updatedIndexState() {
return IndexManager.REBUILDING_STATE;
}
public String toString() {
return "indexing project " + this.project.getFullPath(); //$NON-NLS-1$
}
}
