/*
 * 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.vcs.changes.shelf;

import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.vcs.FilePath;
import com.intellij.openapi.vcs.VcsBundle;
import com.intellij.openapi.vcs.VcsException;
import com.intellij.openapi.vcs.changes.BinaryContentRevision;
import com.intellij.openapi.vcs.history.VcsRevisionNumber;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.io.File;
import java.io.IOException;

/**
 * Created with IntelliJ IDEA.
 * User: Irina.Chernushina
 * Date: 12/17/12
 * Time: 3:59 PM
 */
public class ShelvedBinaryContentRevision implements BinaryContentRevision {
  private final FilePath myPath;
  private final String myShelvedContentPath;

  public ShelvedBinaryContentRevision(FilePath path, final String shelvedContentPath) {
    myPath = path;
    myShelvedContentPath = shelvedContentPath;
  }

  @Nullable
  @Override
  public byte[] getBinaryContent() throws VcsException {
    try {
      return FileUtil.loadFileBytes(new File(myShelvedContentPath));
    }
    catch (IOException e) {
      throw new VcsException(e);
    }
  }

  @Nullable
  @Override
  public String getContent() throws VcsException {
    throw new IllegalStateException();
  }

  @NotNull
  @Override
  public FilePath getFile() {
    return myPath;
  }

  @NotNull
  @Override
  public VcsRevisionNumber getRevisionNumber() {
    return new VcsRevisionNumber() {
      @Override
      public String asString() {
        return VcsBundle.message("shelved.version.name");
      }

      @Override
      public int compareTo(VcsRevisionNumber o) {
        return -1;
      }
    };
  }
}