plugins/svn4idea/src/org/jetbrains/idea/svn/checkin/IdeaCommitHandler.java

/*
 * Copyright 2000-2013 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 org.jetbrains.idea.svn.checkin;

import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.progress.ProcessCanceledException;
import com.intellij.openapi.progress.ProgressIndicator;
import com.intellij.openapi.util.Computable;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.vfs.VirtualFileManager;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.idea.svn.SvnBundle;
import org.jetbrains.idea.svn.api.EventAction;
import org.jetbrains.idea.svn.api.ProgressEvent;
import org.jetbrains.idea.svn.api.ProgressTracker;
import org.tmatesoft.svn.core.SVNCancelException;

import java.io.File;
import java.util.List;

/**
 * Created with IntelliJ IDEA.
 * User: Irina.Chernushina
 * Date: 2/26/13
 * Time: 11:13 AM
 */
public class IdeaCommitHandler implements CommitEventHandler, ProgressTracker {

  private static final Logger LOG = Logger.getInstance(IdeaCommitHandler.class);

  @Nullable private final ProgressIndicator myProgress;
  @NotNull private final List<VirtualFile> myDeletedFiles = ContainerUtil.newArrayList();
  private final boolean myCheckCancel;
  private final boolean myTrackDeletedFiles;

  public IdeaCommitHandler(@Nullable ProgressIndicator progress) {
    this(progress, false, false);
  }

  public IdeaCommitHandler(@Nullable ProgressIndicator progress, boolean checkCancel, boolean trackDeletedFiles) {
    myProgress = progress;
    myCheckCancel = checkCancel;
    myTrackDeletedFiles = trackDeletedFiles;
  }

  @NotNull
  public List<VirtualFile> getDeletedFiles() {
    return myDeletedFiles;
  }

  @Override
  public void commitEvent(CommitEventType type, File target) {
    if (myProgress == null) return;
    myProgress.checkCanceled();

    updateProgress(type, target.getPath());
  }

  @Override
  public void committedRevision(long revNum) {
    if (myProgress == null) return;
    myProgress.checkCanceled();
    myProgress.setText2(SvnBundle.message("status.text.comitted.revision", revNum));
  }

  public void consume(ProgressEvent event) {
    final String path = event.getPath();
    if (path != null) {
      CommitEventType eventType = convert(event.getAction());

      if (CommitEventType.deleting.equals(eventType) && myTrackDeletedFiles) {
        trackDeletedFile(event);
      }
      updateProgress(eventType, path);
    }
  }

  public void checkCancelled() throws SVNCancelException {
    if (myCheckCancel && myProgress != null) {
      try {
        myProgress.checkCanceled();
      }
      catch (ProcessCanceledException ex) {
        throw new SVNCancelException();
      }
    }
  }

  private void updateProgress(@NotNull CommitEventType type, @NotNull String target) {
    if (myProgress == null) return;

    if (CommitEventType.adding.equals(type)) {
      myProgress.setText2(SvnBundle.message("progress.text2.adding", target));
    } else if (CommitEventType.deleting.equals(type)) {
      myProgress.setText2(SvnBundle.message("progress.text2.deleting", target));
    } else if (CommitEventType.sending.equals(type)) {
      myProgress.setText2(SvnBundle.message("progress.text2.sending", target));
    } else if (CommitEventType.replacing.equals(type)) {
      myProgress.setText2(SvnBundle.message("progress.text2.replacing", target));
    } else if (CommitEventType.transmittingDeltas.equals(type)) {
      myProgress.setText2(SvnBundle.message("progress.text2.transmitting.delta", target));
    }
  }

  private void trackDeletedFile(@NotNull ProgressEvent event) {
    @NonNls final String filePath = "file://" + event.getFile().getAbsolutePath().replace(File.separatorChar, '/');
    VirtualFile virtualFile = ApplicationManager.getApplication().runReadAction(new Computable<VirtualFile>() {
      @Nullable
      public VirtualFile compute() {
        return VirtualFileManager.getInstance().findFileByUrl(filePath);
      }
    });

    if (virtualFile != null) {
      myDeletedFiles.add(virtualFile);
    }
  }

  @NotNull
  private static CommitEventType convert(@NotNull EventAction action) {
    CommitEventType result = CommitEventType.unknown;

    if (EventAction.COMMIT_ADDED.equals(action)) {
      result = CommitEventType.adding;
    } else if (EventAction.COMMIT_DELETED.equals(action)) {
      result = CommitEventType.deleting;
    } else if (EventAction.COMMIT_MODIFIED.equals(action)) {
      result = CommitEventType.sending;
    } else if (EventAction.COMMIT_REPLACED.equals(action)) {
      result = CommitEventType.replacing;
    } else if (EventAction.COMMIT_DELTA_SENT.equals(action)) {
      result = CommitEventType.transmittingDeltas;
    } else if (EventAction.SKIP.equals(action)) {
      result = CommitEventType.skipped;
    } else if (EventAction.FAILED_OUT_OF_DATE.equals(action)) {
      result = CommitEventType.failedOutOfDate;
    }

    if (CommitEventType.unknown.equals(result)) {
      LOG.warn("Could not create commit event from action " + action);
    }

    return result;
  }
}