ByteArrayField.java
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00001 /*
00002  * Copyright (C) 2011 Google Inc.
00003  * 
00004  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
00005  * use this file except in compliance with the License. You may obtain a copy of
00006  * the License at
00007  * 
00008  * http://www.apache.org/licenses/LICENSE-2.0
00009  * 
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
00012  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
00013  * License for the specific language governing permissions and limitations under
00014  * the License.
00015  */
00016 
00017 package org.ros.internal.message.field;
00018 
00019 import com.google.common.base.Preconditions;
00020 
00021 import org.jboss.netty.buffer.ChannelBuffer;
00022 
00023 import java.util.Arrays;
00024 
00028 public class ByteArrayField extends Field {
00029 
00030   private final int size;
00031 
00032   private byte[] value;
00033 
00034   public static ByteArrayField newVariable(FieldType type, String name, int size) {
00035     return new ByteArrayField(type, name, size);
00036   }
00037 
00038   private ByteArrayField(FieldType type, String name, int size) {
00039     super(type, name, false);
00040     this.size = size;
00041     setValue(new byte[Math.max(0, size)]);
00042   }
00043 
00044   @SuppressWarnings("unchecked")
00045   @Override
00046   public byte[] getValue() {
00047     return value;
00048   }
00049 
00050   @Override
00051   public void setValue(Object value) {
00052     Preconditions.checkArgument(size < 0 || ((byte[]) value).length == size);
00053     this.value = (byte[]) value;
00054   }
00055 
00056   @Override
00057   public void serialize(ChannelBuffer buffer) {
00058     if (size < 0) {
00059       buffer.writeInt(value.length);
00060     }
00061     for (byte v : value) {
00062       type.serialize(v, buffer);
00063     }
00064   }
00065 
00066   @Override
00067   public void deserialize(ChannelBuffer buffer) {
00068     int currentSize = size;
00069     if (currentSize < 0) {
00070       currentSize = buffer.readInt();
00071     }
00072     value = new byte[currentSize];
00073     for (int i = 0; i < currentSize; i++) {
00074       value[i] = buffer.readByte();
00075     }
00076   }
00077 
00078   @Override
00079   public String getMd5String() {
00080     return String.format("%s %s\n", type, name);
00081   }
00082 
00083   @Override
00084   public String getJavaTypeName() {
00085     return type.getJavaTypeName() + "[]";
00086   }
00087 
00088   @Override
00089   public String toString() {
00090     return "ByteArrayField<" + type + ", " + name + ">";
00091   }
00092 
00093   @Override
00094   public int hashCode() {
00095     final int prime = 31;
00096     int result = super.hashCode();
00097     result = prime * result + ((value == null) ? 0 : value.hashCode());
00098     return result;
00099   }
00100 
00101   @Override
00102   public boolean equals(Object obj) {
00103     if (this == obj)
00104       return true;
00105     if (!super.equals(obj))
00106       return false;
00107     if (getClass() != obj.getClass())
00108       return false;
00109     ByteArrayField other = (ByteArrayField) obj;
00110     if (value == null) {
00111       if (other.value != null)
00112         return false;
00113     } else if (!Arrays.equals(value, other.value))
00114       return false;
00115     return true;
00116   }
00117 }


rosjava_bootstrap
Author(s): Daniel Stonier , Damon Kohler
autogenerated on Fri Aug 28 2015 12:41:44