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      1 /*
      2  * Copyright (C) 2014 The Android Open Source Project
      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 libcore.tlswire.handshake;
     17 /**
     18  * {@code CompressionMethod} enum from TLS 1.2 RFC 5246.
     19  */
     20 public class CompressionMethod {
     21     public static final CompressionMethod NULL = new CompressionMethod(0, "null");
     22     public static final CompressionMethod DEFLATE = new CompressionMethod(1, "deflate");
     23     public final int type;
     24     public final String name;
     25     private CompressionMethod(int type, String name) {
     26         this.type = type;
     27         this.name = name;
     28     }
     29     public static CompressionMethod valueOf(int type) {
     30         switch (type) {
     31             case 0:
     32                 return NULL;
     33             case 1:
     34                 return DEFLATE;
     35             default:
     36                 return new CompressionMethod(type, String.valueOf(type));
     37         }
     38     }
     39     @Override
     40     public String toString() {
     41         return name;
     42     }
     43     @Override
     44     public int hashCode() {
     45         final int prime = 31;
     46         int result = 1;
     47         result = prime * result + type;
     48         return result;
     49     }
     50     @Override
     51     public boolean equals(Object obj) {
     52         if (this == obj) {
     53             return true;
     54         }
     55         if (obj == null) {
     56             return false;
     57         }
     58         if (getClass() != obj.getClass()) {
     59             return false;
     60         }
     61         CompressionMethod other = (CompressionMethod) obj;
     62         if (type != other.type) {
     63             return false;
     64         }
     65         return true;
     66     }
     67 }
     68