/*
 * Copyright 2000-2012 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.openapi.vfs.pointers;

import com.intellij.openapi.vfs.VirtualFile;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

public interface VirtualFilePointer {
  VirtualFilePointer[] EMPTY_ARRAY = new VirtualFilePointer[0];

  @NotNull
  String getFileName();

  @Nullable
  VirtualFile getFile();

  @NotNull
  String getUrl();

  @NotNull
  String getPresentableUrl();

  /**
   * @return true if the file exists
   */
  boolean isValid();
}

/*
 * Copyright 2000-2012 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.openapi.vfs.pointers;

import com.intellij.openapi.util.NlsSafe;
import com.intellij.openapi.vfs.VirtualFile;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

public interface VirtualFilePointer {
  VirtualFilePointer[] EMPTY_ARRAY = new VirtualFilePointer[0];

  @NotNull
  String getFileName();

  @Nullable
  VirtualFile getFile();

  @NotNull
  String getUrl();

  @NlsSafe @NotNull String getPresentableUrl();

  /**
   * @return true if the file exists
   */
  boolean isValid();
}

annotate VirtualFilePointer::getUrl as @NlsSafe (IDEA-248371)