/**
* Ensures that the repository has been initialized again after a call to {@link
* ResourceRepository#clear()}
*
* @return true if the repository was just re-initialized.
*/
public synchronized boolean ensureInitialized() {
if (mCleared && !mInitializing) {
ScanningContext context = new ScanningContext(this);
mInitializing = true;
IAbstractResource[] resources = mResourceFolder.listMembers();
for (IAbstractResource res : resources) {
if (res instanceof IAbstractFolder) {
IAbstractFolder folder = (IAbstractFolder) res;
ResourceFolder resFolder = processFolder(folder);
if (resFolder != null) {
// now we process the content of the folder
IAbstractResource[] files = folder.listMembers();
for (IAbstractResource fileRes : files) {
if (fileRes instanceof IAbstractFile) {
IAbstractFile file = (IAbstractFile) fileRes;
resFolder.processFile(file, ResourceDeltaKind.ADDED, context);
}
}
}
}
}
mInitializing = false;
mCleared = false;
return true;
}
return false;
}
/**
* Removes a {@link ResourceFolder} associated with the specified {@link IAbstractFolder}.
*
* @param type The type of the folder
* @param removedFolder the IAbstractFolder object.
* @param context the scanning context
* @return the {@link ResourceFolder} that was removed, or null if no matches were found.
*/
@Nullable
public ResourceFolder removeFolder(
@NonNull ResourceFolderType type,
@NonNull IAbstractFolder removedFolder,
@Nullable ScanningContext context) {
ensureInitialized();
// get the list of folders for the resource type.
List<ResourceFolder> list = mFolderMap.get(type);
if (list != null) {
int count = list.size();
for (int i = 0; i < count; i++) {
ResourceFolder resFolder = list.get(i);
IAbstractFolder folder = resFolder.getFolder();
if (removedFolder.equals(folder)) {
// we found the matching ResourceFolder. we need to remove it.
list.remove(i);
// remove its content
resFolder.dispose(context);
return resFolder;
}
}
}
return null;
}
/**
* Returns the {@link ResourceFolder} associated with a {@link IAbstractFolder}.
*
* @param folder The {@link IAbstractFolder} object.
* @return the {@link ResourceFolder} or null if it was not found.
*/
@Nullable
public ResourceFolder getResourceFolder(@NonNull IAbstractFolder folder) {
ensureInitialized();
Collection<List<ResourceFolder>> values = mFolderMap.values();
for (List<ResourceFolder> list : values) {
for (ResourceFolder resFolder : list) {
IAbstractFolder wrapper = resFolder.getFolder();
if (wrapper.equals(folder)) {
return resFolder;
}
}
}
return null;
}
/**
* Processes a folder and adds it to the list of existing folders.
*
* @param folder the folder to process
* @return the ResourceFolder created from this folder, or null if the process failed.
*/
@Nullable
public ResourceFolder processFolder(@NonNull IAbstractFolder folder) {
ensureInitialized();
// split the name of the folder in segments.
String[] folderSegments = folder.getName().split(SdkConstants.RES_QUALIFIER_SEP);
// get the enum for the resource type.
ResourceFolderType type = ResourceFolderType.getTypeByName(folderSegments[0]);
if (type != null) {
// get the folder configuration.
FolderConfiguration config = FolderConfiguration.getConfig(folderSegments);
if (config != null) {
return add(type, config, folder);
}
}
return null;
}
/**
* Reads the public.xml file in data/res/values/ for a given resource folder and builds up a map
* of public resources.
*
* <p>This map is a subset of the full resource map that only contains framework resources that
* are public.
*
* @param logger a logger to report issues to
*/
public void loadPublicResources(@Nullable ILogger logger) {
IAbstractFolder valueFolder = getResFolder().getFolder(SdkConstants.FD_RES_VALUES);
if (valueFolder.exists() == false) {
return;
}
IAbstractFile publicXmlFile = valueFolder.getFile("public.xml"); // $NON-NLS-1$
if (publicXmlFile.exists()) {
Reader reader = null;
try {
reader =
new BufferedReader(new InputStreamReader(publicXmlFile.getContents(), Charsets.UTF_8));
KXmlParser parser = new KXmlParser();
parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, false);
parser.setInput(reader);
ResourceType lastType = null;
String lastTypeName = "";
while (true) {
int event = parser.next();
if (event == XmlPullParser.START_TAG) {
// As of API 15 there are a number of "java-symbol" entries here
if (!parser.getName().equals("public")) { // $NON-NLS-1$
continue;
}
String name = null;
String typeName = null;
for (int i = 0, n = parser.getAttributeCount(); i < n; i++) {
String attribute = parser.getAttributeName(i);
if (attribute.equals("name")) { // $NON-NLS-1$
name = parser.getAttributeValue(i);
if (typeName != null) {
// Skip id attribute processing
break;
}
} else if (attribute.equals("type")) { // $NON-NLS-1$
typeName = parser.getAttributeValue(i);
}
}
if (name != null && typeName != null) {
ResourceType type = null;
if (typeName.equals(lastTypeName)) {
type = lastType;
} else {
type = ResourceType.getEnum(typeName);
lastType = type;
lastTypeName = typeName;
}
if (type != null) {
ResourceItem match = null;
Map<String, ResourceItem> map = mResourceMap.get(type);
if (map != null) {
match = map.get(name);
}
if (match != null) {
List<ResourceItem> publicList = mPublicResourceMap.get(type);
if (publicList == null) {
// Pick initial size for the list to hold the public
// resources. We could just use map.size() here,
// but they're usually much bigger; for example,
// in one platform version, there are 1500 drawables
// and 1200 strings but only 175 and 25 public ones
// respectively.
int size;
switch (type) {
case STYLE:
size = 500;
break;
case ATTR:
size = 1000;
break;
case DRAWABLE:
size = 200;
break;
case ID:
size = 50;
break;
case LAYOUT:
case COLOR:
case STRING:
case ANIM:
case INTERPOLATOR:
size = 30;
break;
default:
size = 10;
break;
}
publicList = new ArrayList<ResourceItem>(size);
mPublicResourceMap.put(type, publicList);
}
publicList.add(match);
} else {
// log that there's a public resource that doesn't actually
// exist?
}
} else {
// log that there was a reference to a typo that doesn't actually
// exist?
}
}
} else if (event == XmlPullParser.END_DOCUMENT) {
break;
}
}
} catch (Exception e) {
if (logger != null) {
logger.error(e, "Can't read and parse public attribute list");
}
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException e) {
// Nothing to be done here - we don't care if it closed or not.
}
}
}
}
// put unmodifiable list for all res type in the public resource map
// this will simplify access
for (ResourceType type : ResourceType.values()) {
List<ResourceItem> list = mPublicResourceMap.get(type);
if (list == null) {
list = Collections.emptyList();
} else {
list = Collections.unmodifiableList(list);
}
// put the new list in the map
mPublicResourceMap.put(type, list);
}
}