private Set<String> getDuplicates(Set<GradleLibrary> libraries) {
Set<String> duplicates = new HashSet<String>();
Set<String> seen = new HashSet<String>();
for (GradleLibrary library : libraries) {
if (library.getFile() != null && !seen.add(library.getFile().getName())) {
duplicates.add(library.getFile().getName());
}
}
return duplicates;
}
private Set<GradleLibrary> minus(Set<GradleLibrary> source, Set<GradleLibrary> toRemove) {
if (source == null || toRemove == null) {
return source;
}
Set<File> filesToRemove = new HashSet<File>();
for (GradleLibrary library : toRemove) {
filesToRemove.add(library.getFile());
}
Set<GradleLibrary> result = new LinkedHashSet<GradleLibrary>();
for (GradleLibrary library : source) {
if (!filesToRemove.contains(library.getFile())) {
result.add(library);
}
}
return result;
}