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;
}
private SimpleLookupTable findDeltas() {
this.notifier.subTask(
Messages.bind(Messages.build_readingDelta, this.currentProject.getName()));
IResourceDelta delta = getDelta(this.currentProject);
SimpleLookupTable deltas = new SimpleLookupTable(3);
if (delta != null) {
if (delta.getKind() != IResourceDelta.NO_CHANGE) {
if (DEBUG)
System.out.println(
"JavaBuilder: Found source delta for: "
+ this.currentProject.getName()); // $NON-NLS-1$
deltas.put(this.currentProject, delta);
}
} else {
if (DEBUG)
System.out.println(
"JavaBuilder: Missing delta for: " + this.currentProject.getName()); // $NON-NLS-1$
this.notifier.subTask(""); // $NON-NLS-1$
return null;
}
Object[] keyTable = this.binaryLocationsPerProject.keyTable;
Object[] valueTable = this.binaryLocationsPerProject.valueTable;
nextProject:
for (int i = 0, l = keyTable.length; i < l; i++) {
IProject p = (IProject) keyTable[i];
if (p != null && p != this.currentProject) {
State s = getLastState(p);
if (!this.lastState.wasStructurallyChanged(p, s)) { // see if we can skip its delta
if (s.wasNoopBuild())
continue nextProject; // project has no source folders and can be skipped
ClasspathLocation[] classFoldersAndJars = (ClasspathLocation[]) valueTable[i];
boolean canSkip = true;
for (int j = 0, m = classFoldersAndJars.length; j < m; j++) {
if (classFoldersAndJars[j].isOutputFolder())
classFoldersAndJars[j] =
null; // can ignore output folder since project was not structurally changed
else canSkip = false;
}
if (canSkip)
continue nextProject; // project has no structural changes in its output folders
}
this.notifier.subTask(Messages.bind(Messages.build_readingDelta, p.getName()));
delta = getDelta(p);
if (delta != null) {
if (delta.getKind() != IResourceDelta.NO_CHANGE) {
if (DEBUG)
System.out.println(
"JavaBuilder: Found binary delta for: " + p.getName()); // $NON-NLS-1$
deltas.put(p, delta);
}
} else {
if (DEBUG)
System.out.println("JavaBuilder: Missing delta for: " + p.getName()); // $NON-NLS-1$
this.notifier.subTask(""); // $NON-NLS-1$
return null;
}
}
}
this.notifier.subTask(""); // $NON-NLS-1$
return deltas;
}