GitSimpleEventDetector.java

/*
 * Copyright 2000-2011 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 git4idea.commands;

import com.intellij.openapi.util.Key;
import com.intellij.openapi.util.text.StringUtil;
import org.jetbrains.annotations.NotNull;

/**
 * @author Kirill Likhodedov
 */
public class GitSimpleEventDetector implements GitLineHandlerListener {

  @NotNull private final Event myEvent;
  private boolean myHappened;

  public enum Event {
    CHERRY_PICK_CONFLICT("after resolving the conflicts"), // also applies to revert
    LOCAL_CHANGES_OVERWRITTEN_BY_CHERRY_PICK("would be overwritten by merge"), // also applies to revert
    UNMERGED_PREVENTING_CHECKOUT("you need to resolve your current index first"),
    UNMERGED_PREVENTING_MERGE("is not possible because you have unmerged files"),
    BRANCH_NOT_FULLY_MERGED("is not fully merged"),
    MERGE_CONFLICT("Automatic merge failed; fix conflicts and then commit the result"),
    MERGE_CONFLICT_ON_UNSTASH("conflict"),
    ALREADY_UP_TO_DATE("Already up-to-date"),
    INVALID_REFERENCE("invalid reference:");

    private final String myDetectionString;

    Event(@NotNull String detectionString) {
      myDetectionString = detectionString;
    }
  }

  public GitSimpleEventDetector(@NotNull Event event) {
    myEvent = event;
  }

  @Override
  public void onLineAvailable(@NotNull String line, Key outputType) {
    if (StringUtil.containsIgnoreCase(line, myEvent.myDetectionString)) {
      myHappened = true;
    }
  }

  @Override
  public void processTerminated(int exitCode) {
  }

  @Override
  public void startFailed(Throwable exception) {
  }

  public boolean hasHappened() {
    return myHappened;
  }

}