protected boolean checkForClassFileChanges(
IResourceDelta binaryDelta, ClasspathMultiDirectory md, int segmentCount)
throws CoreException {
IResource resource = binaryDelta.getResource();
// remember that if inclusion & exclusion patterns change then a full build is done
boolean isExcluded =
(md.exclusionPatterns != null || md.inclusionPatterns != null)
&& Util.isExcluded(resource, md.inclusionPatterns, md.exclusionPatterns);
switch (resource.getType()) {
case IResource.FOLDER:
if (isExcluded && md.inclusionPatterns == null)
return true; // no need to go further with this delta since its children cannot be
// included
IResourceDelta[] children = binaryDelta.getAffectedChildren();
for (int i = 0, l = children.length; i < l; i++)
if (!checkForClassFileChanges(children[i], md, segmentCount)) return false;
return true;
case IResource.FILE:
if (!isExcluded
&& org.eclipse.jdt.internal.compiler.util.Util.isClassFileName(resource.getName())) {
// perform full build if a managed class file has been changed
IPath typePath =
resource.getFullPath().removeFirstSegments(segmentCount).removeFileExtension();
if (this.newState.isKnownType(typePath.toString())) {
if (JavaBuilder.DEBUG)
System.out.println(
"MUST DO FULL BUILD. Found change to class file " + typePath); // $NON-NLS-1$
return false;
}
return true;
}
}
return true;
}
protected boolean findSourceFiles(
IResourceDelta sourceDelta, ClasspathMultiDirectory md, int segmentCount)
throws CoreException {
// When a package becomes a type or vice versa, expect 2 deltas,
// one on the folder & one on the source file
IResource resource = sourceDelta.getResource();
// remember that if inclusion & exclusion patterns change then a full build is done
boolean isExcluded =
(md.exclusionPatterns != null || md.inclusionPatterns != null)
&& Util.isExcluded(resource, md.inclusionPatterns, md.exclusionPatterns);
switch (resource.getType()) {
case IResource.FOLDER:
if (isExcluded && md.inclusionPatterns == null)
return true; // no need to go further with this delta since its children cannot be
// included
switch (sourceDelta.getKind()) {
case IResourceDelta.ADDED:
if (!isExcluded) {
IPath addedPackagePath = resource.getFullPath().removeFirstSegments(segmentCount);
createFolder(
addedPackagePath, md.binaryFolder); // ensure package exists in the output folder
// see if any known source file is from the same package... classpath already includes
// new package
if (this.sourceLocations.length > 1
&& this.newState.isKnownPackage(addedPackagePath.toString())) {
if (JavaBuilder.DEBUG)
System.out.println(
"Skipped dependents of added package " + addedPackagePath); // $NON-NLS-1$
} else {
if (JavaBuilder.DEBUG)
System.out.println("Found added package " + addedPackagePath); // $NON-NLS-1$
addDependentsOf(addedPackagePath, true);
}
}
// $FALL-THROUGH$ collect all the source files
case IResourceDelta.CHANGED:
IResourceDelta[] children = sourceDelta.getAffectedChildren();
for (int i = 0, l = children.length; i < l; i++)
if (!findSourceFiles(children[i], md, segmentCount)) return false;
return true;
case IResourceDelta.REMOVED:
if (isExcluded) {
// since this folder is excluded then there is nothing to delete (from this md), but
// must walk any included subfolders
children = sourceDelta.getAffectedChildren();
for (int i = 0, l = children.length; i < l; i++)
if (!findSourceFiles(children[i], md, segmentCount)) return false;
return true;
}
IPath removedPackagePath = resource.getFullPath().removeFirstSegments(segmentCount);
if (this.sourceLocations.length > 1) {
for (int i = 0, l = this.sourceLocations.length; i < l; i++) {
if (this.sourceLocations[i].sourceFolder.getFolder(removedPackagePath).exists()) {
// only a package fragment was removed, same as removing multiple source files
createFolder(
removedPackagePath,
md.binaryFolder); // ensure package exists in the output folder
IResourceDelta[] removedChildren = sourceDelta.getAffectedChildren();
for (int j = 0, m = removedChildren.length; j < m; j++)
if (!findSourceFiles(removedChildren[j], md, segmentCount)) return false;
return true;
}
}
}
if ((sourceDelta.getFlags() & IResourceDelta.MOVED_TO) != 0) {
// same idea as moving a source file
// see bug 163200
IResource movedFolder =
this.javaBuilder.workspaceRoot.getFolder(sourceDelta.getMovedToPath());
JavaBuilder.removeProblemsAndTasksFor(movedFolder);
}
IFolder removedPackageFolder = md.binaryFolder.getFolder(removedPackagePath);
if (removedPackageFolder.exists()) removedPackageFolder.delete(IResource.FORCE, null);
// add dependents even when the package thinks it does not exist to be on the safe side
if (JavaBuilder.DEBUG)
System.out.println("Found removed package " + removedPackagePath); // $NON-NLS-1$
addDependentsOf(removedPackagePath, true);
this.newState.removePackage(sourceDelta);
}
return true;
case IResource.FILE:
if (isExcluded) return true;
String resourceName = resource.getName();
// GROOVY start
// determine if this is a Groovy project
final boolean isInterestingProject =
LanguageSupportFactory.isInterestingProject(this.javaBuilder.getProject());
// GROOVY end
// GROOVY start
/* old {
if (org.eclipse.jdt.internal.core.util.Util.isJavaLikeFileName(resourceName)) {
} new */
// GRECLIPSE-404 must call 'isJavaLikeFile' directly in order to make the Scala-Eclipse
// plugin's weaving happy
if ((!isInterestingProject
&& org.eclipse.jdt.internal.core.util.Util.isJavaLikeFileName(resourceName)
&& !LanguageSupportFactory.isInterestingSourceFile(resourceName))
|| (isInterestingProject
&& LanguageSupportFactory.isSourceFile(resourceName, isInterestingProject))) {
// GROOVY end
IPath typePath =
resource.getFullPath().removeFirstSegments(segmentCount).removeFileExtension();
String typeLocator = resource.getProjectRelativePath().toString();
switch (sourceDelta.getKind()) {
case IResourceDelta.ADDED:
if (JavaBuilder.DEBUG)
System.out.println("Compile this added source file " + typeLocator); // $NON-NLS-1$
this.sourceFiles.add(new SourceFile((IFile) resource, md, true));
String typeName = typePath.toString();
if (!this.newState.isDuplicateLocator(
typeName, typeLocator)) { // adding dependents results in 2 duplicate errors
if (JavaBuilder.DEBUG)
System.out.println("Found added source file " + typeName); // $NON-NLS-1$
addDependentsOf(typePath, true);
}
return true;
case IResourceDelta.REMOVED:
char[][] definedTypeNames = this.newState.getDefinedTypeNamesFor(typeLocator);
if (definedTypeNames == null) { // defined a single type matching typePath
removeClassFile(typePath, md.binaryFolder);
if ((sourceDelta.getFlags() & IResourceDelta.MOVED_TO) != 0) {
// remove problems and tasks for a compilation unit that is being moved (to
// another package or renamed)
// if the target file is a compilation unit, the new cu will be recompiled
// if the target file is a non-java resource, then markers are removed
// see bug 2857
IResource movedFile =
this.javaBuilder.workspaceRoot.getFile(sourceDelta.getMovedToPath());
JavaBuilder.removeProblemsAndTasksFor(movedFile);
}
} else {
if (JavaBuilder.DEBUG)
System.out.println(
"Found removed source file " + typePath.toString()); // $NON-NLS-1$
addDependentsOf(
typePath,
true); // add dependents of the source file since it may be involved in a name
// collision
if (definedTypeNames.length
> 0) { // skip it if it failed to successfully define a type
IPath packagePath = typePath.removeLastSegments(1);
for (int i = 0, l = definedTypeNames.length; i < l; i++)
removeClassFile(
packagePath.append(new String(definedTypeNames[i])), md.binaryFolder);
}
}
this.newState.removeLocator(typeLocator);
return true;
case IResourceDelta.CHANGED:
if ((sourceDelta.getFlags() & IResourceDelta.CONTENT) == 0
&& (sourceDelta.getFlags() & IResourceDelta.ENCODING) == 0)
return true; // skip it since it really isn't changed
if (JavaBuilder.DEBUG)
System.out.println(
"Compile this changed source file " + typeLocator); // $NON-NLS-1$
this.sourceFiles.add(new SourceFile((IFile) resource, md, true));
}
return true;
} else if (org.eclipse.jdt.internal.compiler.util.Util.isClassFileName(resourceName)) {
// perform full build if a managed class file has been changed
if (this.makeOutputFolderConsistent) {
IPath typePath =
resource.getFullPath().removeFirstSegments(segmentCount).removeFileExtension();
if (this.newState.isKnownType(typePath.toString())) {
if (JavaBuilder.DEBUG)
System.out.println(
"MUST DO FULL BUILD. Found change to class file " + typePath); // $NON-NLS-1$
return false;
}
}
return true;
} else if (md.hasIndependentOutputFolder) {
if (this.javaBuilder.filterExtraResource(resource)) return true;
// copy all other resource deltas to the output folder
IPath resourcePath = resource.getFullPath().removeFirstSegments(segmentCount);
IResource outputFile = md.binaryFolder.getFile(resourcePath);
switch (sourceDelta.getKind()) {
case IResourceDelta.ADDED:
if (outputFile.exists()) {
if (JavaBuilder.DEBUG)
System.out.println("Deleting existing file " + resourcePath); // $NON-NLS-1$
outputFile.delete(IResource.FORCE, null);
}
if (JavaBuilder.DEBUG)
System.out.println("Copying added file " + resourcePath); // $NON-NLS-1$
createFolder(
resourcePath.removeLastSegments(1),
md.binaryFolder); // ensure package exists in the output folder
copyResource(resource, outputFile);
return true;
case IResourceDelta.REMOVED:
if (outputFile.exists()) {
if (JavaBuilder.DEBUG)
System.out.println("Deleting removed file " + resourcePath); // $NON-NLS-1$
outputFile.delete(IResource.FORCE, null);
}
return true;
case IResourceDelta.CHANGED:
if ((sourceDelta.getFlags() & IResourceDelta.CONTENT) == 0
&& (sourceDelta.getFlags() & IResourceDelta.ENCODING) == 0)
return true; // skip it since it really isn't changed
if (outputFile.exists()) {
if (JavaBuilder.DEBUG)
System.out.println("Deleting existing file " + resourcePath); // $NON-NLS-1$
outputFile.delete(IResource.FORCE, null);
}
if (JavaBuilder.DEBUG)
System.out.println("Copying changed file " + resourcePath); // $NON-NLS-1$
createFolder(
resourcePath.removeLastSegments(1),
md.binaryFolder); // ensure package exists in the output folder
copyResource(resource, outputFile);
}
return true;
}
}
return true;
}
protected void findAffectedSourceFiles(
IResourceDelta binaryDelta, int segmentCount, StringSet structurallyChangedTypes) {
// When a package becomes a type or vice versa, expect 2 deltas,
// one on the folder & one on the class file
IResource resource = binaryDelta.getResource();
switch (resource.getType()) {
case IResource.FOLDER:
switch (binaryDelta.getKind()) {
case IResourceDelta.ADDED:
case IResourceDelta.REMOVED:
IPath packagePath = resource.getFullPath().removeFirstSegments(segmentCount);
String packageName = packagePath.toString();
if (binaryDelta.getKind() == IResourceDelta.ADDED) {
// see if any known source file is from the same package... classpath already includes
// new package
if (!this.newState.isKnownPackage(packageName)) {
if (JavaBuilder.DEBUG)
System.out.println("Found added package " + packageName); // $NON-NLS-1$
addDependentsOf(packagePath, false);
return;
}
if (JavaBuilder.DEBUG)
System.out.println(
"Skipped dependents of added package " + packageName); // $NON-NLS-1$
} else {
// see if the package still exists on the classpath
if (!this.nameEnvironment.isPackage(packageName)) {
if (JavaBuilder.DEBUG)
System.out.println("Found removed package " + packageName); // $NON-NLS-1$
addDependentsOf(packagePath, false);
return;
}
if (JavaBuilder.DEBUG)
System.out.println(
"Skipped dependents of removed package " + packageName); // $NON-NLS-1$
}
// $FALL-THROUGH$ traverse the sub-packages and .class files
case IResourceDelta.CHANGED:
IResourceDelta[] children = binaryDelta.getAffectedChildren();
for (int i = 0, l = children.length; i < l; i++)
findAffectedSourceFiles(children[i], segmentCount, structurallyChangedTypes);
}
return;
case IResource.FILE:
if (org.eclipse.jdt.internal.compiler.util.Util.isClassFileName(resource.getName())) {
IPath typePath =
resource.getFullPath().removeFirstSegments(segmentCount).removeFileExtension();
switch (binaryDelta.getKind()) {
case IResourceDelta.ADDED:
case IResourceDelta.REMOVED:
if (JavaBuilder.DEBUG)
System.out.println("Found added/removed class file " + typePath); // $NON-NLS-1$
addDependentsOf(typePath, false);
return;
case IResourceDelta.CHANGED:
if ((binaryDelta.getFlags() & IResourceDelta.CONTENT) == 0)
return; // skip it since it really isn't changed
if (structurallyChangedTypes != null
&& !structurallyChangedTypes.includes(typePath.toString()))
return; // skip since it wasn't a structural change
if (JavaBuilder.DEBUG)
System.out.println("Found changed class file " + typePath); // $NON-NLS-1$
addDependentsOf(typePath, false);
}
return;
}
}
}