/**
* Returns a schema, given the name of a schema.
*
* @param schemaName a schema name.
* @return a schema.
*/
public static Schema getSchemaFromName(String schemaName) {
SchemaManager schemaManager = Framework.getLocalService(SchemaManager.class);
return schemaManager.getSchema(schemaName);
}
/** Recomputes all the info needed for efficient access. */
private void recomputeSourceInfos() throws DirectoryException {
final Schema schema = schemaManager.getSchema(schemaName);
if (schema == null) {
throw new DirectoryException(
String.format("Directory '%s' has unknown schema '%s'", directory.getName(), schemaName));
}
final Set<String> sourceFields = new HashSet<String>();
for (Field f : schema.getFields()) {
sourceFields.add(f.getName().getLocalName());
}
if (!sourceFields.contains(schemaIdField)) {
throw new DirectoryException(
String.format(
"Directory '%s' schema '%s' has no id field '%s'",
directory.getName(), schemaName, schemaIdField));
}
List<SourceInfo> newSourceInfos = new ArrayList<SourceInfo>(2);
for (SourceDescriptor source : descriptor.sources) {
int ndirs = source.subDirectories.length;
if (ndirs == 0) {
throw new DirectoryException(
String.format(
"Directory '%s' source '%s' has no subdirectories",
directory.getName(), source.name));
}
final List<SubDirectoryInfo> subDirectoryInfos = new ArrayList<SubDirectoryInfo>(ndirs);
SubDirectoryInfo authDirectoryInfo = null;
boolean hasRequiredDir = false;
for (SubDirectoryDescriptor subDir : source.subDirectories) {
final String dirName = subDir.name;
final String dirSchemaName = directoryService.getDirectorySchema(dirName);
final String dirIdField = directoryService.getDirectoryIdField(dirName);
final boolean dirIsAuth = directoryService.getDirectoryPasswordField(dirName) != null;
final Map<String, String> fromSource = new HashMap<String, String>();
final Map<String, String> toSource = new HashMap<String, String>();
final Map<String, Serializable> defaultEntry = new HashMap<String, Serializable>();
final boolean dirIsOptional = subDir.isOptional;
// XXX check authenticating
final Schema dirSchema = schemaManager.getSchema(dirSchemaName);
if (dirSchema == null) {
throw new DirectoryException(
String.format(
"Directory '%s' source '%s' subdirectory '%s' " + "has unknown schema '%s'",
directory.getName(), source.name, dirName, dirSchemaName));
}
// record default field mappings if same name and record default
// values
final Set<String> dirSchemaFields = new HashSet<String>();
for (Field f : dirSchema.getFields()) {
final String fieldName = f.getName().getLocalName();
dirSchemaFields.add(fieldName);
if (sourceFields.contains(fieldName)) {
// XXX check no duplicates!
fromSource.put(fieldName, fieldName);
toSource.put(fieldName, fieldName);
}
// XXX cast to Serializable
defaultEntry.put(fieldName, (Serializable) f.getDefaultValue());
}
// treat renamings
// XXX id field ?
for (FieldDescriptor field : subDir.fields) {
final String sourceFieldName = field.forField;
final String fieldName = field.name;
if (!sourceFields.contains(sourceFieldName)) {
throw new DirectoryException(
String.format(
"Directory '%s' source '%s' subdirectory '%s' "
+ "has mapping for unknown field '%s'",
directory.getName(), source.name, dirName, sourceFieldName));
}
if (!dirSchemaFields.contains(fieldName)) {
throw new DirectoryException(
String.format(
"Directory '%s' source '%s' subdirectory '%s' "
+ "has mapping of unknown field' '%s'",
directory.getName(), source.name, dirName, fieldName));
}
fromSource.put(sourceFieldName, fieldName);
toSource.put(fieldName, sourceFieldName);
}
SubDirectoryInfo subDirectoryInfo =
new SubDirectoryInfo(
dirName,
dirSchemaName,
dirIdField,
dirIsAuth,
fromSource,
toSource,
defaultEntry,
dirIsOptional);
subDirectoryInfos.add(subDirectoryInfo);
if (dirIsAuth) {
if (authDirectoryInfo != null) {
throw new DirectoryException(
String.format(
"Directory '%s' source '%s' has two subdirectories "
+ "with a password field, '%s' and '%s'",
directory.getName(), source.name, authDirectoryInfo.dirName, dirName));
}
authDirectoryInfo = subDirectoryInfo;
}
if (!dirIsOptional) {
hasRequiredDir = true;
}
}
if (isAuthenticating() && authDirectoryInfo == null) {
throw new DirectoryException(
String.format(
"Directory '%s' source '%s' has no subdirectory " + "with a password field",
directory.getName(), source.name));
}
if (!hasRequiredDir) {
throw new DirectoryException(
String.format(
"Directory '%s' source '%s' only has optional subdirectories: "
+ "no directory can be used has a reference.",
directory.getName(), source.name));
}
newSourceInfos.add(new SourceInfo(source, subDirectoryInfos, authDirectoryInfo));
}
sourceInfos = newSourceInfos;
}