UndefinedLaunchMode.java

/*
 * Copyright 2010 The Rabbit Eclipse Plug-in Project
 *
 * 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 rabbit.ui.internal.util;

import static com.google.common.base.Preconditions.checkNotNull;

import org.eclipse.debug.core.ILaunchMode;

/**
 * Represents an undefined launch mode.
 */
public class UndefinedLaunchMode implements ILaunchMode {
  
  private final String identifier;
  
  /**
   * Constructor.
   * @param id The ID of this launch mode.
   * @throws NullPointerException If argument is null.
   */
  public UndefinedLaunchMode(String id) {
    checkNotNull(id);
    identifier = id;
  }
  
  @Override
  public int hashCode() {
    return getIdentifier().hashCode();
  }
  
  @Override
  public boolean equals(Object obj) {
    if (obj == null) return false;
    if (obj == this) return true;
    if (obj.getClass() != getClass()) return false;
    
    UndefinedLaunchMode mode = (UndefinedLaunchMode) obj;
    return getIdentifier().equals(mode.getIdentifier());
  }

  @Override
  public String getIdentifier() {
    return identifier;
  }

  @Override
  public String getLabel() {
    return getIdentifier();
  }

  @Override
  public String getLaunchAsLabel() {
    return getIdentifier();
  }

}