01: /*
02: * Copyright (c) 2001-2007, Jean Tessier
03: * All rights reserved.
04: *
05: * Redistribution and use in source and binary forms, with or without
06: * modification, are permitted provided that the following conditions
07: * are met:
08: *
09: * * Redistributions of source code must retain the above copyright
10: * notice, this list of conditions and the following disclaimer.
11: *
12: * * Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: *
16: * * Neither the name of Jean Tessier nor the names of his contributors
17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23: * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
24: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27: * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29: * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30: * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31: */
32:
33: package com.jeantessier.classreader;
34:
35: import java.io.*;
36: import java.util.*;
37:
38: import org.apache.log4j.*;
39:
40: public class LineNumberTable_attribute extends Attribute_info {
41: private Collection<LineNumber> lineNumbers = new LinkedList<LineNumber>();
42:
43: public LineNumberTable_attribute(Classfile classfile,
44: Visitable owner, DataInputStream in) throws IOException {
45: super (classfile, owner);
46:
47: int byteCount = in.readInt();
48: Logger.getLogger(getClass()).debug(
49: "Attribute length: " + byteCount);
50:
51: int lineNumberTableLength = in.readUnsignedShort();
52: Logger.getLogger(getClass()).debug(
53: "Reading " + lineNumberTableLength
54: + " line number(s) ...");
55: for (int i = 0; i < lineNumberTableLength; i++) {
56: Logger.getLogger(getClass()).debug(
57: "Line number entry " + i + ":");
58: lineNumbers.add(new LineNumber(this , in));
59: }
60: }
61:
62: public Collection<LineNumber> getLineNumbers() {
63: return lineNumbers;
64: }
65:
66: public String toString() {
67: return "Line Number Table";
68: }
69:
70: public void accept(Visitor visitor) {
71: visitor.visitLineNumberTable_attribute(this);
72: }
73: }
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