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    1   /*
    2    *  Licensed to the Apache Software Foundation (ASF) under one or more
    3    *  contributor license agreements.  See the NOTICE file distributed with
    4    *  this work for additional information regarding copyright ownership.
    5    *  The ASF licenses this file to You under the Apache License, Version 2.0
    6    *  (the "License"); you may not use this file except in compliance with
    7    *  the License.  You may obtain a copy of the License at
    8    *
    9    *     http://www.apache.org/licenses/LICENSE-2.0
   10    *
   11    *  Unless required by applicable law or agreed to in writing, software
   12    *  distributed under the License is distributed on an "AS IS" BASIS,
   13    *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   14    *  See the License for the specific language governing permissions and
   15    *  limitations under the License.
   16    */
   17   package java.awt;
   18   
   19   import java.awt.GraphicsDevice;
   20   import java.awt.HeadlessException;
   21   
   22   import org.apache.harmony.awt.gl.CommonGraphicsEnvironment;
   23   
   24   class HeadlessGraphicsEnvironment extends CommonGraphicsEnvironment {
   25       
   26       @Override
   27       public boolean isHeadlessInstance() {
   28           return true;
   29       }
   30       
   31       @Override
   32       public GraphicsDevice getDefaultScreenDevice() throws HeadlessException {
   33           throw new HeadlessException();
   34       }
   35   
   36       @Override
   37       public GraphicsDevice[] getScreenDevices() throws HeadlessException {
   38           throw new HeadlessException();
   39       }
   40   
   41   }

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