/*******************************************************************************
* 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;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.aspectj.org.eclipse.jdt.core.*;
import org.aspectj.org.eclipse.jdt.internal.core.util.Util;
/**
* The element info for <code>PackageFragmentRoot</code>s.
*/
class PackageFragmentRootInfo extends OpenableElementInfo {
/**
* The SourceMapper for this JAR (or <code>null</code> if
* this JAR does not have source attached).
*/
protected SourceMapper sourceMapper = null;
/**
* The kind of the root associated with this info.
* Valid kinds are: <ul>
* <li><code>IPackageFragmentRoot.K_SOURCE</code>
* <li><code>IPackageFragmentRoot.K_BINARY</code></ul>
*/
protected int fRootKind= IPackageFragmentRoot.K_SOURCE;
/**
* A array with all the non-java resources contained by this PackageFragment
*/
protected Object[] fNonJavaResources;
/**
* Create and initialize a new instance of the receiver
*/
public PackageFragmentRootInfo() {
this.fNonJavaResources = null;
}
/**
* Starting at this folder, create non-java resources for this package fragment root
* and add them to the non-java resources collection.
*
* @exception JavaModelException The resource associated with this package fragment does not exist
*/
static Object[] computeFolderNonJavaResources(JavaProject project, IContainer folder, char[][] inclusionPatterns, char[][] exclusionPatterns) throws JavaModelException {
Object[] nonJavaResources = new IResource[5];
int nonJavaResourcesCounter = 0;
try {
IClasspathEntry[] classpath = project.getResolvedClasspath();
IResource[] members = folder.members();
int length = members.length;
if (length > 0) {
String sourceLevel = project.getOption(JavaCore.COMPILER_SOURCE, true);
String complianceLevel = project.getOption(JavaCore.COMPILER_COMPLIANCE, true);
nextResource: for (int i = 0; i < length; i++) {
IResource member = members[i];
switch (member.getType()) {
case IResource.FILE :
String fileName = member.getName();
// ignore .java files that are not excluded
if (Util.isValidCompilationUnitName(fileName, sourceLevel, complianceLevel) && !Util.isExcluded(member, inclusionPatterns, exclusionPatterns))
continue nextResource;
// ignore .class files
if (Util.isValidClassFileName(fileName, sourceLevel, complianceLevel))
continue nextResource;
// ignore .zip or .jar file on classpath
if (org.aspectj.org.eclipse.jdt.internal.compiler.util.Util.isArchiveFileName(fileName) && isClasspathEntry(member.getFullPath(), classpath))
continue nextResource;
break;
case IResource.FOLDER :
// ignore valid packages or excluded folders that correspond to a nested pkg fragment root
if (Util.isValidFolderNameForPackage(member.getName(), sourceLevel, complianceLevel)
&& (!Util.isExcluded(member, inclusionPatterns, exclusionPatterns)
|| isClasspathEntry(member.getFullPath(), classpath)))
continue nextResource;
break;
}
if (nonJavaResources.length == nonJavaResourcesCounter) {
// resize
System.arraycopy(nonJavaResources, 0, (nonJavaResources = new IResource[nonJavaResourcesCounter * 2]), 0, nonJavaResourcesCounter);
}
nonJavaResources[nonJavaResourcesCounter++] = member;
}
}
if (nonJavaResources.length != nonJavaResourcesCounter) {
System.arraycopy(nonJavaResources, 0, (nonJavaResources = new IResource[nonJavaResourcesCounter]), 0, nonJavaResourcesCounter);
}
return nonJavaResources;
} catch (CoreException e) {
throw new JavaModelException(e);
}
}
/**
* Compute the non-package resources of this package fragment root.
*/
private Object[] computeNonJavaResources(IJavaProject project, IResource underlyingResource, PackageFragmentRoot handle) {
Object[] nonJavaResources = NO_NON_JAVA_RESOURCES;
try {
// the underlying resource may be a folder or a project (in the case that the project folder
// is actually the package fragment root)
if (underlyingResource.getType() == IResource.FOLDER || underlyingResource.getType() == IResource.PROJECT) {
nonJavaResources =
computeFolderNonJavaResources(
(JavaProject)project,
(IContainer) underlyingResource,
handle.fullInclusionPatternChars(),
handle.fullExclusionPatternChars());
}
} catch (JavaModelException e) {
// ignore
}
return nonJavaResources;
}
/**
* Returns an array of non-java resources contained in the receiver.
*/
synchronized Object[] getNonJavaResources(IJavaProject project, IResource underlyingResource, PackageFragmentRoot handle) {
Object[] nonJavaResources = this.fNonJavaResources;
if (nonJavaResources == null) {
nonJavaResources = this.computeNonJavaResources(project, underlyingResource, handle);
this.fNonJavaResources = nonJavaResources;
}
return nonJavaResources;
}
/**
* Returns the kind of this root.
*/
public int getRootKind() {
return this.fRootKind;
}
/**
* Retuns the SourceMapper for this root, or <code>null</code>
* if this root does not have attached source.
*/
protected SourceMapper getSourceMapper() {
return this.sourceMapper;
}
private static boolean isClasspathEntry(IPath path, IClasspathEntry[] resolvedClasspath) {
for (int i = 0, length = resolvedClasspath.length; i < length; i++) {
IClasspathEntry entry = resolvedClasspath[i];
if (entry.getPath().equals(path)) {
return true;
}
}
return false;
}
/**
* Set the fNonJavaResources to res value
*/
void setNonJavaResources(Object[] resources) {
this.fNonJavaResources = resources;
}
/**
* Sets the kind of this root.
*/
protected void setRootKind(int newRootKind) {
this.fRootKind = newRootKind;
}
/**
* Sets the SourceMapper for this root.
*/
protected void setSourceMapper(SourceMapper mapper) {
this.sourceMapper= mapper;
}
}