protected boolean findSourceFiles(IResourceDelta delta) throws CoreException {
ArrayList visited =
this.makeOutputFolderConsistent ? new ArrayList(this.sourceLocations.length) : null;
for (int i = 0, l = this.sourceLocations.length; i < l; i++) {
ClasspathMultiDirectory md = this.sourceLocations[i];
if (this.makeOutputFolderConsistent
&& md.hasIndependentOutputFolder
&& !visited.contains(md.binaryFolder)) {
// even a project which acts as its own source folder can have an independent/nested output
// folder
visited.add(md.binaryFolder);
IResourceDelta binaryDelta = delta.findMember(md.binaryFolder.getProjectRelativePath());
if (binaryDelta != null) {
int segmentCount = binaryDelta.getFullPath().segmentCount();
IResourceDelta[] children = binaryDelta.getAffectedChildren();
for (int j = 0, m = children.length; j < m; j++)
if (!checkForClassFileChanges(children[j], md, segmentCount)) return false;
}
}
if (md.sourceFolder.equals(this.javaBuilder.currentProject)) {
// skip nested source & output folders when the project is a source folder
int segmentCount = delta.getFullPath().segmentCount();
IResourceDelta[] children = delta.getAffectedChildren();
for (int j = 0, m = children.length; j < m; j++)
if (!isExcludedFromProject(children[j].getFullPath()))
if (!findSourceFiles(children[j], md, segmentCount)) return false;
} else {
IResourceDelta sourceDelta = delta.findMember(md.sourceFolder.getProjectRelativePath());
if (sourceDelta != null) {
if (sourceDelta.getKind() == IResourceDelta.REMOVED) {
if (JavaBuilder.DEBUG)
System.out.println(
"ABORTING incremental build... found removed source folder"); //$NON-NLS-1$
return false; // removed source folder should not make it here, but handle anyways
// (ADDED is supported)
}
int segmentCount = sourceDelta.getFullPath().segmentCount();
IResourceDelta[] children = sourceDelta.getAffectedChildren();
try {
for (int j = 0, m = children.length; j < m; j++)
if (!findSourceFiles(children[j], md, segmentCount)) return false;
} catch (CoreException e) {
// catch the case that a package has been renamed and collides on disk with an
// as-yet-to-be-deleted package
if (e.getStatus().getCode() == IResourceStatus.CASE_VARIANT_EXISTS) {
if (JavaBuilder.DEBUG)
System.out.println(
"ABORTING incremental build... found renamed package"); //$NON-NLS-1$
return false;
}
throw e; // rethrow
}
}
}
this.notifier.checkCancel();
}
return true;
}
protected boolean findAffectedSourceFiles(
IResourceDelta delta, ClasspathLocation[] classFoldersAndJars, IProject prereqProject) {
for (int i = 0, l = classFoldersAndJars.length; i < l; i++) {
ClasspathLocation bLocation = classFoldersAndJars[i];
// either a .class file folder or a zip/jar file
if (bLocation != null) { // skip unchanged output folder
IPath p = bLocation.getProjectRelativePath();
if (p != null) {
IResourceDelta binaryDelta = delta.findMember(p);
if (binaryDelta != null) {
if (bLocation instanceof ClasspathJar) {
if (JavaBuilder.DEBUG)
System.out.println(
"ABORTING incremental build... found delta to jar/zip file"); //$NON-NLS-1$
return false; // do full build since jar file was changed (added/removed were caught
// as classpath change)
}
if (binaryDelta.getKind() == IResourceDelta.ADDED
|| binaryDelta.getKind() == IResourceDelta.REMOVED) {
if (JavaBuilder.DEBUG)
System.out.println(
"ABORTING incremental build... found added/removed binary folder"); //$NON-NLS-1$
return false; // added/removed binary folder should not make it here (classpath
// change), but handle anyways
}
int segmentCount = binaryDelta.getFullPath().segmentCount();
IResourceDelta[] children =
binaryDelta.getAffectedChildren(); // .class files from class folder
StringSet structurallyChangedTypes = null;
if (bLocation.isOutputFolder())
structurallyChangedTypes =
this.newState.getStructurallyChangedTypes(
this.javaBuilder.getLastState(prereqProject));
for (int j = 0, m = children.length; j < m; j++)
findAffectedSourceFiles(children[j], segmentCount, structurallyChangedTypes);
this.notifier.checkCancel();
}
}
}
}
return true;
}
private boolean hasStructuralDelta() {
// handle case when currentProject has only .class file folders and/or jar files... no
// source/output folders
IResourceDelta delta = getDelta(this.currentProject);
if (delta != null && delta.getKind() != IResourceDelta.NO_CHANGE) {
ClasspathLocation[] classFoldersAndJars =
(ClasspathLocation[]) this.binaryLocationsPerProject.get(this.currentProject);
if (classFoldersAndJars != null) {
for (int i = 0, l = classFoldersAndJars.length; i < l; i++) {
ClasspathLocation classFolderOrJar =
classFoldersAndJars[i]; // either a .class file folder or a zip/jar file
if (classFolderOrJar != null) {
IPath p = classFolderOrJar.getProjectRelativePath();
if (p != null) {
IResourceDelta binaryDelta = delta.findMember(p);
if (binaryDelta != null && binaryDelta.getKind() != IResourceDelta.NO_CHANGE)
return true;
}
}
}
}
}
return false;
}
@Override
public boolean visit(IResourceDelta delta) throws CoreException {
if (delta == null) {
return false;
}
IFile file = getFile();
if (file == null) {
return false;
}
delta = delta.findMember(file.getFullPath());
if (delta == null) {
return false;
}
Runnable runnable = null;
switch (delta.getKind()) {
case IResourceDelta.CHANGED:
FileInfo info = (FileInfo) getElementInfo(fileEditorInput);
if (info == null || !canRefreshFromFile(info)) {
break;
}
boolean isSynchronized = computeModificationStamp(file) == info.modificationStamp;
if ((IResourceDelta.ENCODING & delta.getFlags()) != 0 && isSynchronized) {
runnable =
new SafeChange(fileEditorInput) {
@Override
protected void execute(IEditorInput input) throws Exception {
handleElementContentChanged(input);
}
};
}
if (runnable == null
&& (IResourceDelta.CONTENT & delta.getFlags()) != 0
&& !isSynchronized) {
runnable =
new SafeChange(fileEditorInput) {
@Override
protected void execute(IEditorInput input) throws Exception {
handleElementContentChanged(input);
}
};
}
break;
case IResourceDelta.REMOVED:
if ((IResourceDelta.MOVED_TO & delta.getFlags()) != 0) {
final IPath path = delta.getMovedToPath();
runnable =
new SafeChange(fileEditorInput) {
@Override
protected void execute(IEditorInput input) throws Exception {
handleElementMoved(input, path);
}
};
} else {
info = (FileInfo) getElementInfo(fileEditorInput);
if (info != null && canRefreshFromFile(info)) {
runnable =
new SafeChange(fileEditorInput) {
@Override
protected void execute(IEditorInput input) throws Exception {
handleElementDeleted(input);
}
};
}
}
break;
}
if (runnable != null) {
update(runnable);
}
return false;
}