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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *
10   *    http://www.apache.org/licenses/LICENSE-2.0
11   *
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License.
18   *
19   */
20  package org.apache.mina.util.byteaccess;
21  
22  import java.nio.ByteOrder;
23  
24  import org.apache.mina.core.buffer.IoBuffer;
25  
26  /**
27   * Provides relative read access to a sequence of bytes.
28   * 
29   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
30   */
31  public interface IoRelativeWriter {
32  
33      /**
34       * Gets the number of remaining bytes that can be read.
35       */
36      int getRemaining();
37  
38      /**
39       * Checks if there are any remaining bytes that can be read.
40       */
41      boolean hasRemaining();
42  
43      /**
44       * Advances the writer by the given number of bytes.
45       */
46      void skip(int length);
47  
48      /**
49       * Gets the order of the bytes.
50       */
51      ByteOrder order();
52  
53      /**
54       * Puts a <code>byte</code> and advances the reader.
55       */
56      void put(byte b);
57  
58      /**
59       * Puts enough bytes to fill the <code>IoBuffer</code> and advances the reader.
60       */
61      void put(IoBuffer bb);
62  
63      /**
64       * Puts a <code>short</code> and advances the reader.
65       */
66      void putShort(short s);
67  
68      /**
69       * Puts an <code>int</code> and advances the reader.
70       */
71      void putInt(int i);
72  
73      /**
74       * Puts a <code>long</code> and advances the reader.
75       */
76      void putLong(long l);
77  
78      /**
79       * Puts a <code>float</code> and advances the reader.
80       */
81      void putFloat(float f);
82  
83      /**
84       * Puts a <code>double</code> and advances the reader.
85       */
86      void putDouble(double d);
87  
88      /**
89       * Puts a <code>char</code> and advances the reader.
90       */
91      void putChar(char c);
92  }