content: /**
   * Copyright (C) 2009 The Android Open Source 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 com.android.internal.util;
  
  import android.annotation.UnsupportedAppUsage;
  import android.os.Message;
  
  /**
   * {@hide}
   *
   * The class for implementing states in a StateMachine
   */
  public class State implements IState {
  
      /**
       * Constructor
       */
      @UnsupportedAppUsage
      protected State() {
      }
  
      /* (non-Javadoc)
       * @see com.android.internal.util.IState#enter()
       */
      @UnsupportedAppUsage
      @Override
      public void enter() {
      }
  
      /* (non-Javadoc)
       * @see com.android.internal.util.IState#exit()
       */
      @UnsupportedAppUsage
      @Override
      public void exit() {
      }
  
      /* (non-Javadoc)
       * @see com.android.internal.util.IState#processMessage(android.os.Message)
       */
      @UnsupportedAppUsage
      @Override
      public boolean processMessage(Message msg) {
          return false;
      }
  
      /**
       * Name of State for debugging purposes.
       *
       * This default implementation returns the class name, returning
       * the instance name would better in cases where a State class
       * is used for multiple states. But normally there is one class per
       * state and the class name is sufficient and easy to get. You may
       * want to provide a setName or some other mechanism for setting
       * another name if the class name is not appropriate.
       *
       * @see com.android.internal.util.IState#processMessage(android.os.Message)
       */
      @UnsupportedAppUsage
      @Override
      public String getName() {
          String name = getClass().getName();
          int lastDollar = name.lastIndexOf('$');
          return name.substring(lastDollar + 1);
      }
  }
  