/**
* Returns a list of project names referenced in the team project set <code>input</code> for the
* provider <code>prooviderType</code>.
*
* @throws CoreException
*/
public static List<String> readProjectReferences(
InputStream input, RepositoryProviderType providerType) throws CoreException {
try {
List<String> referenceStrings = new ArrayList<String>();
XmlMemento[] providers = importProjectSet(input);
for (XmlMemento provider : providers) {
if (provider.getString("id").equals(providerType.getID())) { // $NON-NLS-1$
XmlMemento[] projects = provider.getChildren("project"); // $NON-NLS-1$
for (XmlMemento project : projects) {
referenceStrings.add(project.getString("reference")); // $NON-NLS-1$
}
}
}
return referenceStrings;
} catch (Exception e) {
throw new CoreException(
new Status(
IStatus.ERROR,
ScmInternal.ID_PLUGIN,
"Unexpected error reading project sets.",
e)); //$NON-NLS-1$
}
}
/**
* Returns a team project set for <code>projects</code>.
*
* @param projects the projects to include
* @return an XML document
* @throws CoreException indicates that the team project set could not be created
*/
public static ByteArrayOutputStream exportProjectSet(List<IProject> projects)
throws CoreException {
Map<String, Set<IProject>> map = new HashMap<String, Set<IProject>>();
for (IProject project : projects) {
RepositoryProvider provider = RepositoryProvider.getProvider(project);
if (provider != null) {
String id = provider.getID();
Set<IProject> list = map.get(id);
if (list == null) {
list =
new TreeSet<IProject>(
new Comparator<IProject>() {
public int compare(IProject o1, IProject o2) {
return o1.getName().toLowerCase().compareTo(o2.getName().toLowerCase());
}
});
map.put(id, list);
}
list.add(project);
}
}
BufferedWriter writer = null;
ByteArrayOutputStream output = new ByteArrayOutputStream();
try {
writer = new BufferedWriter(new OutputStreamWriter(output, "UTF-8")); // $NON-NLS-1$
XmlMemento xmlMemento = getXMLMementoRoot();
Iterator<String> it = map.keySet().iterator();
while (it.hasNext()) {
String id = it.next();
XmlMemento memento = xmlMemento.createChild("provider"); // $NON-NLS-1$
memento.putString("id", id); // $NON-NLS-1$
Set<IProject> list = map.get(id);
IProject[] projectArray = list.toArray(new IProject[list.size()]);
RepositoryProviderType providerType = RepositoryProviderType.getProviderType(id);
ProjectSetCapability serializer = providerType.getProjectSetCapability();
ProjectSetCapability.ensureBackwardsCompatible(providerType, serializer);
if (serializer != null) {
String[] references = serializer.asReference(projectArray, null, null);
for (String reference : references) {
XmlMemento proj = memento.createChild("project"); // $NON-NLS-1$
proj.putString("reference", reference); // $NON-NLS-1$
}
}
}
xmlMemento.save(writer);
return output;
} catch (Exception e) {
throw new CoreException(
new Status(
IStatus.ERROR,
ScmInternal.ID_PLUGIN,
"Unexpected error exporting project sets.",
e)); //$NON-NLS-1$
} finally {
if (writer != null) {
try {
writer.close();
} catch (IOException e) {
// ignore
}
}
}
}
