/*******************************************************************************
* Copyright (c) 2000, 2010 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;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.Map;
import org.eclipse.core.resources.*;
import org.eclipse.core.runtime.*;
import org.eclipse.jdt.core.*;
import org.eclipse.jdt.core.compiler.CharOperation;
import org.eclipse.jdt.internal.core.util.MementoTokenizer;
import org.eclipse.jdt.internal.core.util.Messages;
import org.eclipse.jdt.internal.core.util.Util;
/**
* @see IPackageFragmentRoot
*/
public class PackageFragmentRoot extends Openable implements IPackageFragmentRoot {
/**
* The delimiter between the source path and root path in the
* attachment server property.
*/
protected final static char ATTACHMENT_PROPERTY_DELIMITER= '*';
/*
* No source attachment property
*/
public final static String NO_SOURCE_ATTACHMENT = ""; //$NON-NLS-1$
/**
* The resource associated with this root (null for external jar)
*/
protected IResource resource;
/**
* Constructs a package fragment root which is the root of the java package
* directory hierarchy.
*/
protected PackageFragmentRoot(IResource resource, JavaProject project) {
super(project);
this.resource = resource;
}
/**
* @see IPackageFragmentRoot
*/
public void attachSource(IPath sourcePath, IPath rootPath, IProgressMonitor monitor) throws JavaModelException {
try {
verifyAttachSource(sourcePath);
if (monitor != null) {
monitor.beginTask(Messages.element_attachingSource, 2);
}
SourceMapper oldMapper= getSourceMapper();
boolean rootNeedsToBeClosed= false;
if (sourcePath == null) {
//source being detached
rootNeedsToBeClosed= true;
setSourceMapper(null);
/* Disable deltas (see 1GDTUSD)
// fire a delta to notify the UI about the source detachement.
JavaModelManager manager = (JavaModelManager) JavaModelManager.getJavaModelManager();
JavaModel model = (JavaModel) getJavaModel();
JavaElementDelta attachedSourceDelta = new JavaElementDelta(model);
attachedSourceDelta .sourceDetached(this); // this would be a PackageFragmentRoot
manager.registerResourceDelta(attachedSourceDelta );
manager.fire(); // maybe you want to fire the change later. Let us know about it.
*/
} else {
/*
// fire a delta to notify the UI about the source attachment.
JavaModelManager manager = (JavaModelManager) JavaModelManager.getJavaModelManager();
JavaModel model = (JavaModel) getJavaModel();
JavaElementDelta attachedSourceDelta = new JavaElementDelta(model);
attachedSourceDelta .sourceAttached(this); // this would be a PackageFragmentRoot
manager.registerResourceDelta(attachedSourceDelta );
manager.fire(); // maybe you want to fire the change later. Let us know about it.
*/
//check if different from the current attachment
IPath storedSourcePath= getSourceAttachmentPath();
IPath storedRootPath= getSourceAttachmentRootPath();
if (monitor != null) {
monitor.worked(1);
}
if (storedSourcePath != null) {
if (!(storedSourcePath.equals(sourcePath) && (rootPath != null && rootPath.equals(storedRootPath)) || storedRootPath == null)) {
rootNeedsToBeClosed= true;
}
}
// check if source path is valid
Object target = JavaModel.getTarget(sourcePath, false);
if (target == null) {
throw new JavaModelException(new JavaModelStatus(IJavaModelStatusConstants.INVALID_PATH, sourcePath));
}
SourceMapper mapper = createSourceMapper(sourcePath, rootPath);
if (rootPath == null && mapper.rootPath != null) {
// as a side effect of calling the SourceMapper constructor, the root path was computed
rootPath = new Path(mapper.rootPath);
}
setSourceMapper(mapper);
}
if (sourcePath == null) {
Util.setSourceAttachmentProperty(getPath(), null); //remove the property
} else {
//set the property to the path of the mapped source
Util.setSourceAttachmentProperty(
getPath(),
sourcePath.toString()
+ (rootPath == null ? "" : (ATTACHMENT_PROPERTY_DELIMITER + rootPath.toString()))); //$NON-NLS-1$
}
if (rootNeedsToBeClosed) {
if (oldMapper != null) {
oldMapper.close();
}
BufferManager manager= BufferManager.getDefaultBufferManager();
Enumeration openBuffers= manager.getOpenBuffers();
while (openBuffers.hasMoreElements()) {
IBuffer buffer= (IBuffer) openBuffers.nextElement();
IOpenable possibleMember= buffer.getOwner();
if (isAncestorOf((IJavaElement) possibleMember)) {
buffer.close();
}
}
if (monitor != null) {
monitor.worked(1);
}
}
} catch (JavaModelException e) {
Util.setSourceAttachmentProperty(getPath(), null); // loose info - will be recomputed
throw e;
} finally {
if (monitor != null) {
monitor.done();
}
}
}
/**
* @see Openable
*/
protected boolean buildStructure(OpenableElementInfo info, IProgressMonitor pm, Map newElements, IResource underlyingResource) throws JavaModelException {
((PackageFragmentRootInfo) info).setRootKind(determineKind(underlyingResource));
return computeChildren(info, underlyingResource);
}
SourceMapper createSourceMapper(IPath sourcePath, IPath rootPath) {
SourceMapper mapper = new SourceMapper(
sourcePath,
rootPath == null ? null : rootPath.toOSString(),
getJavaProject().getOptions(true)); // cannot use workspace options if external jar is 1.5 jar and workspace options are 1.4 options
return mapper;
}
/*
* @see org.eclipse.jdt.core.IPackageFragmentRoot#delete
*/
public void delete(
int updateResourceFlags,
int updateModelFlags,
IProgressMonitor monitor)
throws JavaModelException {
DeletePackageFragmentRootOperation op = new DeletePackageFragmentRootOperation(this, updateResourceFlags, updateModelFlags);
op.runOperation(monitor);
}
/**
* Compute the package fragment children of this package fragment root.
*
* @exception JavaModelException The resource associated with this package fragment root does not exist
*/
protected boolean computeChildren(OpenableElementInfo info, IResource underlyingResource) throws JavaModelException {
// Note the children are not opened (so not added to newElements) for a regular package fragment root
// However they are opened for a Jar package fragment root (see JarPackageFragmentRoot#computeChildren)
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) {
ArrayList vChildren = new ArrayList(5);
IContainer rootFolder = (IContainer) underlyingResource;
char[][] inclusionPatterns = fullInclusionPatternChars();
char[][] exclusionPatterns = fullExclusionPatternChars();
computeFolderChildren(rootFolder, !Util.isExcluded(rootFolder, inclusionPatterns, exclusionPatterns), CharOperation.NO_STRINGS, vChildren, inclusionPatterns, exclusionPatterns);
IJavaElement[] children = new IJavaElement[vChildren.size()];
vChildren.toArray(children);
info.setChildren(children);
}
} catch (JavaModelException e) {
//problem resolving children; structure remains unknown
info.setChildren(new IJavaElement[]{});
throw e;
}
return true;
}
/**
* Starting at this folder, create package fragments and add the fragments that are not exclused
* to the collection of children.
*
* @exception JavaModelException The resource associated with this package fragment does not exist
*/
protected void computeFolderChildren(IContainer folder, boolean isIncluded, String[] pkgName, ArrayList vChildren, char[][] inclusionPatterns, char[][] exclusionPatterns) throws JavaModelException {
if (isIncluded) {
IPackageFragment pkg = getPackageFragment(pkgName);
vChildren.add(pkg);
}
try {
JavaProject javaProject = (JavaProject)getJavaProject();
JavaModelManager manager = JavaModelManager.getJavaModelManager();
IResource[] members = folder.members();
boolean hasIncluded = isIncluded;
int length = members.length;
if (length >0) {
String sourceLevel = javaProject.getOption(JavaCore.COMPILER_SOURCE, true);
String complianceLevel = javaProject.getOption(JavaCore.COMPILER_COMPLIANCE, true);
for (int i = 0; i < length; i++) {
IResource member = members[i];
String memberName = member.getName();
switch(member.getType()) {
case IResource.FOLDER:
// recurse into sub folders even even parent not included as a sub folder could be included
// (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=65637)
if (Util.isValidFolderNameForPackage(memberName, sourceLevel, complianceLevel)) {
// eliminate binary output only if nested inside direct subfolders
if (javaProject.contains(member)) {
String[] newNames = Util.arrayConcat(pkgName, manager.intern(memberName));
boolean isMemberIncluded = !Util.isExcluded(member, inclusionPatterns, exclusionPatterns);
computeFolderChildren((IFolder) member, isMemberIncluded, newNames, vChildren, inclusionPatterns, exclusionPatterns);
}
}
break;
case IResource.FILE:
// inclusion filter may only include files, in which case we still want to include the immediate parent package (lazily)
if (!hasIncluded
&& Util.isValidCompilationUnitName(memberName, sourceLevel, complianceLevel)
&& !Util.isExcluded(member, inclusionPatterns, exclusionPatterns)) {
hasIncluded = true;
IPackageFragment pkg = getPackageFragment(pkgName);
vChildren.add(pkg);
}
break;
}
}
}
} catch(IllegalArgumentException e){
throw new JavaModelException(e, IJavaModelStatusConstants.ELEMENT_DOES_NOT_EXIST); // could be thrown by ElementTree when path is not found
} catch (CoreException e) {
throw new JavaModelException(e);
}
}
/*
* @see org.eclipse.jdt.core.IPackageFragmentRoot#copy
*/
public void copy(
IPath destination,
int updateResourceFlags,
int updateModelFlags,
IClasspathEntry sibling,
IProgressMonitor monitor)
throws JavaModelException {
CopyPackageFragmentRootOperation op =
new CopyPackageFragmentRootOperation(this, destination, updateResourceFlags, updateModelFlags, sibling);
op.runOperation(monitor);
}
/**
* Returns a new element info for this element.
*/
protected Object createElementInfo() {
return new PackageFragmentRootInfo();
}
/**
* @see IPackageFragmentRoot
*/
public IPackageFragment createPackageFragment(String pkgName, boolean force, IProgressMonitor monitor) throws JavaModelException {
CreatePackageFragmentOperation op = new CreatePackageFragmentOperation(this, pkgName, force);
op.runOperation(monitor);
return getPackageFragment(op.pkgName);
}
/**
* Returns the root's kind - K_SOURCE or K_BINARY, defaults
* to K_SOURCE if it is not on the classpath.
*
* @exception JavaModelException if the project and root do
* not exist.
*/
protected int determineKind(IResource underlyingResource) throws JavaModelException {
IClasspathEntry entry = ((JavaProject)getJavaProject()).getClasspathEntryFor(underlyingResource.getFullPath());
if (entry != null) {
return entry.getContentKind();
}
return IPackageFragmentRoot.K_SOURCE;
}
/**
* Compares two objects for equality;
* for <code>PackageFragmentRoot</code>s, equality is having the
* same parent, same resources, and occurrence count.
*
*/
public boolean equals(Object o) {
if (this == o)
return true;
if (!(o instanceof PackageFragmentRoot))
return false;
PackageFragmentRoot other = (PackageFragmentRoot) o;
return resource().equals(other.resource()) &&
this.parent.equals(other.parent);
}
private IClasspathEntry findSourceAttachmentRecommendation() {
try {
IPath rootPath = getPath();
IClasspathEntry entry;
// try on enclosing project first
JavaProject parentProject = (JavaProject) getJavaProject();
try {
entry = parentProject.getClasspathEntryFor(rootPath);
if (entry != null) {
Object target = JavaModel.getTarget(entry.getSourceAttachmentPath(), true);
if (target != null) {
return entry;
}
}
} catch(JavaModelException e){
// ignore
}
// iterate over all projects
IJavaModel model = getJavaModel();
IJavaProject[] jProjects = model.getJavaProjects();
for (int i = 0, max = jProjects.length; i < max; i++){
JavaProject jProject = (JavaProject) jProjects[i];
if (jProject == parentProject) continue; // already done
try {
entry = jProject.getClasspathEntryFor(rootPath);
if (entry != null){
Object target = JavaModel.getTarget(entry.getSourceAttachmentPath(), true);
if (target != null) {
return entry;
}
}
} catch(JavaModelException e){
// ignore
}
}
} catch(JavaModelException e){
// ignore
}
return null;
}
/*
* Returns the exclusion patterns from the classpath entry associated with this root.
*/
public char[][] fullExclusionPatternChars() {
try {
if (isOpen() && getKind() != IPackageFragmentRoot.K_SOURCE) return null;
ClasspathEntry entry = (ClasspathEntry) getRawClasspathEntry();
if (entry == null) {
return null;
} else {
return entry.fullExclusionPatternChars();
}
} catch (JavaModelException e) {
return null;
}
}
/*
* Returns the inclusion patterns from the classpath entry associated with this root.
*/
public char[][] fullInclusionPatternChars() {
try {
if (isOpen() && getKind() != IPackageFragmentRoot.K_SOURCE) return null;
ClasspathEntry entry = (ClasspathEntry)getRawClasspathEntry();
if (entry == null) {
return null;
} else {
return entry.fullInclusionPatternChars();
}
} catch (JavaModelException e) {
return null;
}
}
public String getElementName() {
IResource res = resource();
if (res instanceof IFolder)
return ((IFolder) res).getName();
return ""; //$NON-NLS-1$
}
/**
* @see IJavaElement
*/
public int getElementType() {
return PACKAGE_FRAGMENT_ROOT;
}
/**
* @see JavaElement#getHandleMemento()
*/
protected char getHandleMementoDelimiter() {
return JavaElement.JEM_PACKAGEFRAGMENTROOT;
}
/*
* @see JavaElement
*/
public IJavaElement getHandleFromMemento(String token, MementoTokenizer memento, WorkingCopyOwner owner) {
switch (token.charAt(0)) {
case JEM_PACKAGEFRAGMENT:
String[] pkgName;
if (memento.hasMoreTokens()) {
token = memento.nextToken();
char firstChar = token.charAt(0);
if (firstChar == JEM_CLASSFILE || firstChar == JEM_COMPILATIONUNIT || firstChar == JEM_COUNT) {
pkgName = CharOperation.NO_STRINGS;
} else {
pkgName = Util.splitOn('.', token, 0, token.length());
token = null;
}
} else {
pkgName = CharOperation.NO_STRINGS;
token = null;
}
JavaElement pkg = getPackageFragment(pkgName);
if (token == null) {
return pkg.getHandleFromMemento(memento, owner);
} else {
return pkg.getHandleFromMemento(token, memento, owner);
}
}
return null;
}
/**
* @see JavaElement#getHandleMemento(StringBuffer)
*/
protected void getHandleMemento(StringBuffer buff) {
IPath path;
IResource underlyingResource = getResource();
if (underlyingResource != null) {
// internal jar or regular root
if (resource().getProject().equals(getJavaProject().getProject())) {
path = underlyingResource.getProjectRelativePath();
} else {
path = underlyingResource.getFullPath();
}
} else {
// external jar
path = getPath();
}
((JavaElement)getParent()).getHandleMemento(buff);
buff.append(getHandleMementoDelimiter());
escapeMementoName(buff, path.toString());
}
/**
* @see IPackageFragmentRoot
*/
public int getKind() throws JavaModelException {
return ((PackageFragmentRootInfo)getElementInfo()).getRootKind();
}
/*
* A version of getKind() that doesn't update the timestamp of the info in the Java model cache
* to speed things up
*/
int internalKind() throws JavaModelException {
JavaModelManager manager = JavaModelManager.getJavaModelManager();
PackageFragmentRootInfo info = (PackageFragmentRootInfo) manager.peekAtInfo(this);
if (info == null) {
info = (PackageFragmentRootInfo) openWhenClosed(createElementInfo(), null);
}
return info.getRootKind();
}
/**
* Returns an array of non-java resources contained in the receiver.
*/
public Object[] getNonJavaResources() throws JavaModelException {
return ((PackageFragmentRootInfo) getElementInfo()).getNonJavaResources(getJavaProject(), resource(), this);
}
/**
* @see IPackageFragmentRoot
*/
public IPackageFragment getPackageFragment(String packageName) {
// tolerate package names with spaces (e.g. 'x . y') (http://bugs.eclipse.org/bugs/show_bug.cgi?id=21957)
String[] pkgName = Util.getTrimmedSimpleNames(packageName);
return getPackageFragment(pkgName);
}
public PackageFragment getPackageFragment(String[] pkgName) {
return new PackageFragment(this, pkgName);
}
/**
* Returns the package name for the given folder
* (which is a decendent of this root).
*/
protected String getPackageName(IFolder folder) {
IPath myPath= getPath();
IPath pkgPath= folder.getFullPath();
int mySegmentCount= myPath.segmentCount();
int pkgSegmentCount= pkgPath.segmentCount();
StringBuffer pkgName = new StringBuffer(IPackageFragment.DEFAULT_PACKAGE_NAME);
for (int i= mySegmentCount; i < pkgSegmentCount; i++) {
if (i > mySegmentCount) {
pkgName.append('.');
}
pkgName.append(pkgPath.segment(i));
}
return pkgName.toString();
}
/**
* @see IJavaElement
*/
public IPath getPath() {
return internalPath();
}
public IPath internalPath() {
return resource().getFullPath();
}
/*
* @see IPackageFragmentRoot
*/
public IClasspathEntry getRawClasspathEntry() throws JavaModelException {
IClasspathEntry rawEntry = null;
JavaProject project = (JavaProject)getJavaProject();
project.getResolvedClasspath(); // force the reverse rawEntry cache to be populated
Map rootPathToRawEntries = project.getPerProjectInfo().rootPathToRawEntries;
if (rootPathToRawEntries != null) {
rawEntry = (IClasspathEntry) rootPathToRawEntries.get(getPath());
}
if (rawEntry == null) {
throw new JavaModelException(new JavaModelStatus(IJavaModelStatusConstants.ELEMENT_NOT_ON_CLASSPATH, this));
}
return rawEntry;
}
/*
* @see IPackageFragmentRoot
*/
public IClasspathEntry getResolvedClasspathEntry() throws JavaModelException {
IClasspathEntry resolvedEntry = null;
JavaProject project = (JavaProject)getJavaProject();
project.getResolvedClasspath(); // force the resolved entry cache to be populated
Map rootPathToResolvedEntries = project.getPerProjectInfo().rootPathToResolvedEntries;
if (rootPathToResolvedEntries != null) {
resolvedEntry = (IClasspathEntry) rootPathToResolvedEntries.get(getPath());
}
if (resolvedEntry == null) {
throw new JavaModelException(new JavaModelStatus(IJavaModelStatusConstants.ELEMENT_NOT_ON_CLASSPATH, this));
}
return resolvedEntry;
}
public IResource resource() {
if (this.resource != null) // perf improvement to avoid message send in resource()
return this.resource;
return super.resource();
}
/*
* @see IJavaElement
*/
public IResource resource(PackageFragmentRoot root) {
return this.resource;
}
/**
* @see IPackageFragmentRoot
*/
public IPath getSourceAttachmentPath() throws JavaModelException {
if (getKind() != K_BINARY) return null;
// 1) look source attachment property (set iff attachSource(...) was called
IPath path = getPath();
String serverPathString= Util.getSourceAttachmentProperty(path);
if (serverPathString != null) {
int index= serverPathString.lastIndexOf(ATTACHMENT_PROPERTY_DELIMITER);
if (index < 0) {
// no root path specified
return new Path(serverPathString);
} else {
String serverSourcePathString= serverPathString.substring(0, index);
return new Path(serverSourcePathString);
}
}
// 2) look at classpath entry
IClasspathEntry entry = ((JavaProject) getParent()).getClasspathEntryFor(path);
IPath sourceAttachmentPath;
if (entry != null && (sourceAttachmentPath = entry.getSourceAttachmentPath()) != null)
return sourceAttachmentPath;
// 3) look for a recommendation
entry = findSourceAttachmentRecommendation();
if (entry != null && (sourceAttachmentPath = entry.getSourceAttachmentPath()) != null) {
return sourceAttachmentPath;
}
return null;
}
/**
* For use by <code>AttachSourceOperation</code> only.
* Sets the source mapper associated with this root.
*/
public void setSourceMapper(SourceMapper mapper) throws JavaModelException {
((PackageFragmentRootInfo) getElementInfo()).setSourceMapper(mapper);
}
/**
* @see IPackageFragmentRoot
*/
public IPath getSourceAttachmentRootPath() throws JavaModelException {
if (getKind() != K_BINARY) return null;
// 1) look source attachment property (set iff attachSource(...) was called
IPath path = getPath();
String serverPathString= Util.getSourceAttachmentProperty(path);
if (serverPathString != null) {
int index = serverPathString.lastIndexOf(ATTACHMENT_PROPERTY_DELIMITER);
if (index == -1) return null;
String serverRootPathString= IPackageFragmentRoot.DEFAULT_PACKAGEROOT_PATH;
if (index != serverPathString.length() - 1) {
serverRootPathString= serverPathString.substring(index + 1);
}
return new Path(serverRootPathString);
}
// 2) look at classpath entry
IClasspathEntry entry = ((JavaProject) getParent()).getClasspathEntryFor(path);
IPath sourceAttachmentRootPath;
if (entry != null && (sourceAttachmentRootPath = entry.getSourceAttachmentRootPath()) != null)
return sourceAttachmentRootPath;
// 3) look for a recomendation
entry = findSourceAttachmentRecommendation();
if (entry != null && (sourceAttachmentRootPath = entry.getSourceAttachmentRootPath()) != null)
return sourceAttachmentRootPath;
return null;
}
/**
* @see JavaElement
*/
public SourceMapper getSourceMapper() {
SourceMapper mapper;
try {
PackageFragmentRootInfo rootInfo = (PackageFragmentRootInfo) getElementInfo();
mapper = rootInfo.getSourceMapper();
if (mapper == null) {
// first call to this method
IPath sourcePath= getSourceAttachmentPath();
IPath rootPath= getSourceAttachmentRootPath();
if (sourcePath == null)
mapper = createSourceMapper(getPath(), rootPath); // attach root to itself
else
mapper = createSourceMapper(sourcePath, rootPath);
rootInfo.setSourceMapper(mapper);
}
} catch (JavaModelException e) {
// no source can be attached
mapper = null;
}
return mapper;
}
/**
* @see IJavaElement
*/
public IResource getUnderlyingResource() throws JavaModelException {
if (!exists()) throw newNotPresentException();
return resource();
}
/**
* @see IParent
*/
public boolean hasChildren() throws JavaModelException {
// a package fragment root always has the default package as a child
return true;
}
public int hashCode() {
return resource().hashCode();
}
/**
* @see IPackageFragmentRoot
*/
public boolean isArchive() {
return false;
}
/**
* @see IPackageFragmentRoot
*/
public boolean isExternal() {
return false;
}
/*
* Validate whether this package fragment root is on the classpath of its project.
*/
protected IStatus validateOnClasspath() {
IPath path = getPath();
try {
// check package fragment root on classpath of its project
JavaProject project = (JavaProject) getJavaProject();
IClasspathEntry entry = project.getClasspathEntryFor(path);
if (entry != null) {
return Status.OK_STATUS;
}
} catch(JavaModelException e){
// could not read classpath, then assume it is outside
return e.getJavaModelStatus();
}
return new JavaModelStatus(IJavaModelStatusConstants.ELEMENT_NOT_ON_CLASSPATH, this);
}
/*
* @see org.eclipse.jdt.core.IPackageFragmentRoot#move
*/
public void move(
IPath destination,
int updateResourceFlags,
int updateModelFlags,
IClasspathEntry sibling,
IProgressMonitor monitor)
throws JavaModelException {
MovePackageFragmentRootOperation op =
new MovePackageFragmentRootOperation(this, destination, updateResourceFlags, updateModelFlags, sibling);
op.runOperation(monitor);
}
/**
* @private Debugging purposes
*/
protected void toStringInfo(int tab, StringBuffer buffer, Object info, boolean showResolvedInfo) {
buffer.append(tabString(tab));
IPath path = getPath();
if (isExternal()) {
buffer.append(path.toOSString());
} else if (getJavaProject().getElementName().equals(path.segment(0))) {
if (path.segmentCount() == 1) {
buffer.append("<project root>"); //$NON-NLS-1$
} else {
buffer.append(path.removeFirstSegments(1).makeRelative());
}
} else {
buffer.append(path);
}
if (info == null) {
buffer.append(" (not open)"); //$NON-NLS-1$
}
}
protected IStatus validateExistence(IResource underlyingResource) {
// check whether this pkg fragment root can be opened
IStatus status = validateOnClasspath();
if (!status.isOK())
return status;
if (!resourceExists(underlyingResource))
return newDoesNotExistStatus();
return JavaModelStatus.VERIFIED_OK;
}
/**
* Possible failures: <ul>
* <li>ELEMENT_NOT_PRESENT - the root supplied to the operation
* does not exist
* <li>INVALID_ELEMENT_TYPES - the root is not of kind K_BINARY
* <li>RELATIVE_PATH - the path supplied to this operation must be
* an absolute path
* </ul>
*/
protected void verifyAttachSource(IPath sourcePath) throws JavaModelException {
if (!exists()) {
throw newNotPresentException();
} else if (getKind() != K_BINARY) {
throw new JavaModelException(new JavaModelStatus(IJavaModelStatusConstants.INVALID_ELEMENT_TYPES, this));
} else if (sourcePath != null && !sourcePath.isAbsolute()) {
throw new JavaModelException(new JavaModelStatus(IJavaModelStatusConstants.RELATIVE_PATH, sourcePath));
}
}
}
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