plugins/svn4idea/src/org/jetbrains/idea/svn/status/SvnKitStatusClient.java

/*
 * 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 org.jetbrains.idea.svn.status;

import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.idea.svn.api.BaseSvnClient;
import org.jetbrains.idea.svn.api.Depth;
import org.jetbrains.idea.svn.api.ProgressTracker;
import org.jetbrains.idea.svn.commandLine.SvnBindException;
import org.tmatesoft.svn.core.SVNException;
import org.tmatesoft.svn.core.wc.*;

import java.io.File;
import java.util.Collection;

/**
 * Created by IntelliJ IDEA.
 * User: Irina.Chernushina
 * Date: 1/24/12
 * Time: 9:47 AM
 */
public class SvnKitStatusClient extends BaseSvnClient implements StatusClient {

  private SVNStatusClient myStatusClient;
  @Nullable private final ISVNStatusFileProvider myProvider;
  @Nullable private final ProgressTracker myHandler;

  public SvnKitStatusClient() {
    this(null, null);
  }

  public SvnKitStatusClient(@Nullable ISVNStatusFileProvider provider, @Nullable ProgressTracker handler) {
    myProvider = provider;
    myHandler = handler;
  }

  @Override
  public long doStatus(File path,
                       SVNRevision revision,
                       Depth depth,
                       boolean remote,
                       boolean reportAll,
                       boolean includeIgnored,
                       boolean collectParentExternals,
                       final StatusConsumer handler,
                       Collection changeLists) throws SvnBindException {
    try {
      return getStatusClient()
        .doStatus(path, revision, toDepth(depth), remote, reportAll, includeIgnored, collectParentExternals, new ISVNStatusHandler() {
          @Override
          public void handleStatus(SVNStatus status) throws SVNException {
            handler.consume(Status.create(status));
          }
        }, changeLists);
    }
    catch (SVNException e) {
      throw new SvnBindException(e);
    }
  }

  @Override
  @Nullable
  public Status doStatus(File path, boolean remote) throws SvnBindException {
    try {
      return Status.create(getStatusClient().doStatus(path, remote));
    }
    catch (SVNException e) {
      throw new SvnBindException(e);
    }
  }

  @NotNull
  private SVNStatusClient getStatusClient() {
    // if either provider or handler is specified - we reuse same status client for all further doStatus() calls
    return myHandler != null || myProvider != null ? ensureStatusClient() : myVcs.getSvnKitManager().createStatusClient();
  }

  @NotNull
  private SVNStatusClient ensureStatusClient() {
    if (myStatusClient == null) {
      myStatusClient = myVcs.getSvnKitManager().createStatusClient();
      myStatusClient.setFilesProvider(myProvider);
      myStatusClient.setEventHandler(toEventHandler(myHandler));
    }

    return myStatusClient;
  }
}