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      1 /*
      2  * Copyright 2012 Sebastian Annies, Hamburg
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the License);
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *     http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an AS IS BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package com.coremedia.iso;
     17 
     18 import java.nio.ByteBuffer;
     19 
     20 public final class IsoTypeReaderVariable {
     21 
     22     public static long read(ByteBuffer bb, int bytes) {
     23         switch (bytes) {
     24             case 1:
     25                 return IsoTypeReader.readUInt8(bb);
     26             case 2:
     27                 return IsoTypeReader.readUInt16(bb);
     28             case 3:
     29                 return IsoTypeReader.readUInt24(bb);
     30             case 4:
     31                 return IsoTypeReader.readUInt32(bb);
     32             case 8:
     33                 return IsoTypeReader.readUInt64(bb);
     34             default:
     35                 throw new RuntimeException("I don't know how to read " + bytes + " bytes");
     36         }
     37 
     38     }
     39 }
     40