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1
26
27 package net.sourceforge.groboutils.codecoverage.v2.logger;
28
29 import java.io.BufferedReader  ;
30 import java.io.File ;
31 import java.io.FileReader ;
32 import java.io.IOException ;
33
34 import net.sourceforge.groboutils.codecoverage.v2.IChannelLogRecord;
35 import net.sourceforge.groboutils.codecoverage.v2.IClassChannelLogReader;
36 import net.sourceforge.groboutils.codecoverage.v2.util.HexUtil;
37
38
48 public class DirectoryClassChannelLogReader implements IClassChannelLogReader
49 {
50 private File classLogFile;
51 private String classSig;
52 private BufferedReader in;
53
54
55 DirectoryClassChannelLogReader( File log, String classSig )
56 {
57 if (log == null || classSig == null)
58 {
59 throw new IllegalArgumentException ( "No null args." );
60 }
61 if (!log.exists() || !log.isFile())
62 {
63 throw new IllegalArgumentException ( "File "+log+
64 " is not a file or doesn't exist." );
65 }
66 this.classLogFile = log;
67 this.classSig = classSig;
68 }
69
70
71
80 public synchronized IChannelLogRecord nextRecord()
81 throws IOException
82 {
83 if (this.classLogFile == null)
84 {
85 return null;
86 }
87 if (this.in == null)
88 {
89 this.in = new BufferedReader (
90 new FileReader ( this.classLogFile ) );
91 }
92
93 String s = this.in.readLine();
94 if (s == null)
95 {
96 close();
97 return null;
98 }
99
100 HexUtil.TwoShorts ts = new HexUtil.TwoShorts();
102 if (!HexUtil.getInstance().parseTwoHex( s.trim(), ts, ' ', 0))
103 {
104 close();
105 throw new IOException ( "Invalid file format in '"+
106 this.classLogFile+"'." );
107 }
108
109 return new DefaultChannelLogRecord(
110 this.classSig, ts.a, ts.b );
111
112 }
113
114
115 public void close()
116 throws IOException
117 {
118 if (this.in != null)
119 {
120 this.in.close();
121 this.in = null;
122 }
123 this.classLogFile = null;
124 }
125
126
127 protected void finalize() throws Throwable
128 {
129 close();
130 super.finalize();
131 }
132 }
133
134 |
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