/*
* Copyright 2000-2009 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* @author max
*/
package com.intellij.openapi.fileTypes;
import com.intellij.openapi.util.KeyedExtensionCollector;
import org.jetbrains.annotations.NonNls;
import java.util.List;
public class FileTypeExtension<T> extends KeyedExtensionCollector<T, FileType> {
public FileTypeExtension(@NonNls final String epName) {
super(epName);
}
@Override
protected String keyToString(final FileType key) {
return key.getName();
}
public List<T> allForFileType(FileType t) {
return forKey(t);
}
public T forFileType(FileType t) {
final List<T> all = allForFileType(t);
if (all.isEmpty()) {
return null;
}
else {
return all.get(0);
}
}
}