1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/*******************************************************************************
* Copyright (C) 2003-2004, 2013, Guillaume Brocker
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Guillaume Brocker - Initial API and implementation
*
******************************************************************************/
package eclox.core.doxyfiles.io;
import java.io.IOException;
import java.io.InputStream;
import java.util.Iterator;
import eclox.core.doxyfiles.Chunk;
import eclox.core.doxyfiles.Doxyfile;
/**
* Implements a doxyfile content serializer.
*
* @author willy
*/
public class Serializer extends InputStream {
/**
* an iterator on the doxyfile chunks
*/
private Iterator chunkIterator;
/**
* a string buffer containing the next character to red
*/
private StringBuffer stringBuffer;
/**
* Constructor
*
* @param doxyfile a doxyfile to serialize
*/
public Serializer( Doxyfile doxyfile ) {
this.chunkIterator = doxyfile.iterator();
this.stringBuffer = getNextStringBuffer();
}
public int read() throws IOException {
int result;
if( stringBuffer != null ) {
// Retrieves the next character from the current string buffer.
result = stringBuffer.charAt( 0 );
stringBuffer.deleteCharAt( 0 );
// If the current string buffer has been entierly read, gets the next string buffer.
if( stringBuffer.length() == 0 ) {
stringBuffer = getNextStringBuffer();
}
}
else {
result = -1;
}
return result;
}
/**
* Retrieves the next string buffer to use for reading operations or null
* if no more chunk is left in the doxyfile.
*
* @return a string buffer or null of none
*/
private StringBuffer getNextStringBuffer() {
// Pre-condition
assert chunkIterator != null;
// Retrieves the next string buffer.
StringBuffer result = null;
if( this.chunkIterator.hasNext() == true ) {
Chunk chunk = (Chunk) this.chunkIterator.next();
result = new StringBuffer( chunk.toString() );
}
return result;
}
}
|