@Override
protected boolean canPaste(Object targetObject, Object[] sourceObjects) {
HashMap<?, ?> currentPackageFragments = null;
// Only export package objects that represent existing package
// fragments within the Java project that this plugin.xml is stored
// can be pasted
for (Object sourceObject : sourceObjects) {
// Only export package objects are allowed
if ((sourceObject instanceof ExportPackageObject) == false) {
return false;
}
// Get the package fragments that are allowed and store them to
// assist in searching
if (currentPackageFragments == null) {
currentPackageFragments = createCurrentExportPackageMap();
}
// Only export packages that are in the list of allowed package
// fragments are allowed
ExportPackageObject exportPackageObject = (ExportPackageObject) sourceObject;
if (currentPackageFragments.containsKey(exportPackageObject.getName()) == false) {
return false;
}
}
return true;
}
