/*
 * 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.
 */

package com.intellij.psi.file;

import com.intellij.openapi.extensions.ExtensionPointName;
import com.intellij.openapi.fileTypes.FileType;
import com.intellij.openapi.util.Pair;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.project.Project;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

/**
 * @author spleaner
 */
public abstract class FileLookupInfoProvider {
  public static ExtensionPointName<FileLookupInfoProvider> EP_NAME = ExtensionPointName.create("com.intellij.fileLookupInfoProvider");

  @NotNull
  public abstract FileType[] getFileTypes();

  @Nullable
  public abstract Pair<String, String> getLookupInfo(@NotNull final VirtualFile file, Project project);
}

/*
 * 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.
 */

package com.intellij.psi.file;

import com.intellij.openapi.extensions.ExtensionPointName;
import com.intellij.openapi.fileTypes.FileType;
import com.intellij.openapi.util.Pair;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.project.Project;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

/**
 * @author spleaner
 */
public abstract class FileLookupInfoProvider {
  public static final ExtensionPointName<FileLookupInfoProvider> EP_NAME = ExtensionPointName.create("com.intellij.fileLookupInfoProvider");

  @NotNull
  public abstract FileType[] getFileTypes();

  @Nullable
  public abstract Pair<String, String> getLookupInfo(@NotNull final VirtualFile file, Project project);
}

add final to EP_NAME