private void createBuildPathChange(IResource[] sourceResources, CompositeChange rootChange)
throws ModelException {
IResource[] uniqueSourceResources = removeDuplicateResources(sourceResources);
for (IResource element : uniqueSourceResources) {
// only container need handle build/include path.
if (element instanceof IContainer) {
IProject project = element.getProject();
// if moving to another project
if (RefactoringUtility.getResource(fMainDestinationPath).getProject() != project) {
removeBuildPath(element, project);
IPath path = element.getFullPath().removeLastSegments(1);
RenameBuildAndIcludePathChange biChange =
new RenameBuildAndIcludePathChange(
path,
path,
element.getName(),
"",
oldBuildEntries, //$NON-NLS-1$
newBuildEntries,
oldIncludePath,
newIncludePathEntries);
if (newBuildEntries.size() > 0 || newIncludePathEntries.size() > 0) {
rootChange.add(biChange);
}
} else {
updateBuildPath(element, project);
RenameBuildAndIcludePathChange biChange =
new RenameBuildAndIcludePathChange(
element.getFullPath().removeLastSegments(1),
fMainDestinationPath,
element.getName(),
element.getName(),
oldBuildEntries,
newBuildEntries,
oldIncludePath,
newIncludePathEntries);
if (newBuildEntries.size() > 0 || newIncludePathEntries.size() > 0) {
rootChange.add(biChange);
}
}
}
}
}
private IResource[] removeDuplicateResources(IResource[] sourceResources) {
// ignore empty array
if (sourceResources == null || sourceResources.length == 0) {
return sourceResources;
}
ArrayList<IResource> result = new ArrayList<IResource>();
for (IResource source : sourceResources) {
if (result.size() == 0) {
result.add(source);
} else {
// check if the resource is parent of any item in the result
for (IResource existing : result) {
// if the resource is parent of an existing item in the
// result.
// remove the existing item, add the new one.
if (source.getFullPath().isPrefixOf(existing.getFullPath())) {
result.remove(existing);
result.add(source);
}
}
boolean noNeedAdded = false;
for (IResource existing : result) {
// if the resource is parent of an existing item in the
// result.
// remove the existing item, add the new one.
if (existing.getFullPath().isPrefixOf(source.getFullPath())) {
noNeedAdded = true;
}
}
// the source is not in the result after loop
if (!result.contains(source) && !noNeedAdded) {
result.add(source);
}
}
}
IResource[] ret = new IResource[result.size()];
return result.toArray(ret);
}
