org.eclipse.jdt.internal.core.search.UnindexedSearchScope Maven / Gradle / Ivy
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/*******************************************************************************
* Copyright (c) 2015, 2016 Google, Inc and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Stefan Xenos (Google) - Initial implementation
*******************************************************************************/
package org.eclipse.jdt.internal.core.search;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IJavaElementDelta;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.core.search.IJavaSearchScope;
public class UnindexedSearchScope extends AbstractSearchScope {
private final IJavaSearchScope searchScope;
private UnindexedSearchScope(IJavaSearchScope scope) {
this.searchScope = scope;
}
public static IJavaSearchScope filterEntriesCoveredByTheNewIndex(IJavaSearchScope scope) {
return new UnindexedSearchScope(scope);
}
@Override
public boolean encloses(String resourcePathString) {
int separatorIndex = resourcePathString.indexOf(JAR_FILE_ENTRY_SEPARATOR);
if (separatorIndex != -1) {
// Files within jar files would have been indexed
return false;
}
// Jar files themselves would have been indexed
if (isJarFile(resourcePathString)) {
return false;
}
// Consult with the search scope
return this.searchScope.encloses(resourcePathString);
}
private boolean isJarFile(String possibleJarFile) {
if (possibleJarFile == null) {
return false;
}
return (possibleJarFile.endsWith(".jar") || possibleJarFile.endsWith(".JAR")); //$NON-NLS-1$//$NON-NLS-2$
}
@Override
public boolean encloses(IJavaElement element) {
try {
IResource underlyingResource = element.getUnderlyingResource();
if (underlyingResource != null && isJarFile(underlyingResource.getName())) {
return false;
}
} catch (JavaModelException e) {
JavaCore.getPlugin().getLog().log(e.getStatus());
}
return this.searchScope.encloses(element);
}
@Override
public IPath[] enclosingProjectsAndJars() {
IPath[] unfiltered = this.searchScope.enclosingProjectsAndJars();
List result = new ArrayList<>();
for (IPath next : unfiltered) {
if (isJarFile(next.lastSegment())) {
continue;
}
result.add(next);
}
return result.toArray(new IPath[result.size()]);
}
@Override
public void processDelta(IJavaElementDelta delta, int eventType) {
if (this.searchScope instanceof AbstractSearchScope) {
AbstractSearchScope inner = (AbstractSearchScope) this.searchScope;
inner.processDelta(delta, eventType);
}
}
@Override
public boolean isParallelSearchSupported() {
return true;
}
}