/*******************************************************************************
* Copyright (c) 2000, 2006 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.aspectj.org.eclipse.jdt.internal.core.search;
import java.util.HashSet;
import org.eclipse.core.runtime.IPath;
import org.aspectj.org.eclipse.jdt.core.IJavaElement;
import org.aspectj.org.eclipse.jdt.core.IJavaElementDelta;
import org.aspectj.org.eclipse.jdt.core.JavaModelException;
import org.aspectj.org.eclipse.jdt.internal.compiler.env.AccessRuleSet;
import org.aspectj.org.eclipse.jdt.internal.core.JavaModelManager;
import org.aspectj.org.eclipse.jdt.internal.core.JavaProject;
import org.aspectj.org.eclipse.jdt.core.IJavaProject;
/**
* A Java-specific scope for searching the entire workspace.
* The scope can be configured to not search binaries. By default, binaries
* are included.
*/
public class JavaWorkspaceScope extends JavaSearchScope {
protected boolean needsInitialize;
public boolean encloses(IJavaElement element) {
/*
if (this.needsInitialize) {
this.initialize();
}
return super.encloses(element);
*/
/*A workspace scope encloses all java elements (this assumes that the index selector
* and thus enclosingProjectAndJars() returns indexes on the classpath only and that these
* indexes are consistent.)
* NOTE: Returning true gains 20% of a hierarchy build on Object
*/
return true;
}
public boolean encloses(String resourcePathString) {
/*
if (this.needsInitialize) {
this.initialize();
}
return super.encloses(resourcePathString);
*/
/*A workspace scope encloses all resources (this assumes that the index selector
* and thus enclosingProjectAndJars() returns indexes on the classpath only and that these
* indexes are consistent.)
* NOTE: Returning true gains 20% of a hierarchy build on Object
*/
return true;
}
public IPath[] enclosingProjectsAndJars() {
if (this.needsInitialize) {
this.initialize(5);
}
return super.enclosingProjectsAndJars();
}
public boolean equals(Object o) {
return o instanceof JavaWorkspaceScope;
}
public AccessRuleSet getAccessRuleSet(String relativePath, String containerPath) {
if (this.pathRestrictions == null)
return null;
return super.getAccessRuleSet(relativePath, containerPath);
}
public int hashCode() {
return JavaWorkspaceScope.class.hashCode();
}
public void initialize(int size) {
super.initialize(size);
try {
IJavaProject[] projects = JavaModelManager.getJavaModelManager().getJavaModel().getJavaProjects();
for (int i = 0, length = projects.length; i < length; i++) {
int includeMask = SOURCES | APPLICATION_LIBRARIES | SYSTEM_LIBRARIES;
add((JavaProject) projects[i], null, includeMask, new HashSet(length*2, 1), null);
}
} catch (JavaModelException ignored) {
// ignore
}
this.needsInitialize = false;
}
public void processDelta(IJavaElementDelta delta) {
if (this.needsInitialize) return;
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];
this.processDelta(child);
}
break;
case IJavaElement.JAVA_PROJECT:
int kind = delta.getKind();
switch (kind) {
case IJavaElementDelta.ADDED:
case IJavaElementDelta.REMOVED:
this.needsInitialize = true;
break;
case IJavaElementDelta.CHANGED:
int flags = delta.getFlags();
if ((flags & IJavaElementDelta.F_CLOSED) != 0
|| (flags & IJavaElementDelta.F_OPENED) != 0) {
this.needsInitialize = true;
} else {
children = delta.getAffectedChildren();
for (int i = 0, length = children.length; i < length; i++) {
IJavaElementDelta child = children[i];
this.processDelta(child);
}
}
break;
}
break;
case IJavaElement.PACKAGE_FRAGMENT_ROOT:
kind = delta.getKind();
switch (kind) {
case IJavaElementDelta.ADDED:
case IJavaElementDelta.REMOVED:
this.needsInitialize = true;
break;
case IJavaElementDelta.CHANGED:
int flags = delta.getFlags();
if ((flags & IJavaElementDelta.F_ADDED_TO_CLASSPATH) > 0
|| (flags & IJavaElementDelta.F_REMOVED_FROM_CLASSPATH) > 0) {
this.needsInitialize = true;
}
break;
}
break;
}
}
public String toString() {
return "JavaWorkspaceScope"; //$NON-NLS-1$
}
}