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1
26
27 package net.sourceforge.groboutils.codecoverage.v2.util;
28
29 import net.sourceforge.groboutils.codecoverage.v2.IChannelLogger;
30 import java.io.Reader  ;
31 import java.io.BufferedReader ;
32 import java.io.IOException ;
33
34
35
45 public class ConvertSingleLog
46 {
47 private IChannelLogger channels[];
48
49
58 public ConvertSingleLog( IChannelLogger ch[] )
59 {
60 if (ch == null)
61 {
62 throw new IllegalArgumentException ("no null args");
63 }
64
65 int len = ch.length;
66 if (len <= 0)
67 {
68 throw new IllegalArgumentException ("must pass at least one channel");
69 }
70 this.channels = new IChannelLogger[ len ];
71 for (int i = 0; i < len; ++i)
72 {
73 if (ch[i] == null)
74 {
75 throw new IllegalArgumentException ("channel "+i+" is null");
76 }
77 this.channels[i] = ch[i];
78 }
79 }
80
81
82
89 public void read( Reader r, boolean ignoreFormatErrors )
90 throws IOException
91 {
92 if (r == null)
93 {
94 throw new IllegalArgumentException ("no null args");
95 }
96
97 BufferedReader br = new BufferedReader ( r );
98 try
99 {
100 String line;
101 while ((line = br.readLine()) != null)
102 {
103 processLine( line, ignoreFormatErrors );
105 }
106 }
107 finally
108 {
109 br.close();
110 r.close();
111 }
112 }
113
114
115
124 public void processLine( String line, boolean ignoreFormatErrors )
125 throws IOException
126 {
127 if (line == null)
128 {
129 throw new IOException ("End of stream: line is null");
130 }
131 line = line.trim();
132 if (line.length() <= 0)
133 {
134 return;
136 }
137
138 try
139 {
140 int pos[] = { 0, 0 };
141 int channel = (int)nextShort( pos, line );
142
143 if (channel < 0)
145 {
146 throw new IOException ( "Invalid channel: requested "+
147 channel+", but we're restricted to "+this.channels.length+
148 " channels." );
149 }
150 if (channel >= this.channels.length)
151 {
152 if (ignoreFormatErrors)
153 {
154 return;
155 }
156 throw new IOException ( "Invalid channel: requested "+
158 channel+", but we're restricted to "+this.channels.length+
159 " channels." );
160 }
161
162 String classID = nextElement( pos, line );
164 String s = lastElement( pos, line );
165 HexUtil.TwoShorts ts = new HexUtil.TwoShorts();
166
167 if (!HexUtil.getInstance().parseTwoHex( s, ts, ' ', 0 ))
169 {
170 throw new IOException ( "invalid format for hexidecimal ["+
171 line+"]" );
172 }
173
174 this.channels[ channel ].cover( classID, ts.a, ts.b );
177 }
178 catch (IOException ioe)
179 {
180 if (!ignoreFormatErrors)
181 {
182 throw ioe;
183 }
184 }
186 }
187
188
189 protected String nextElement( int pos[], String line )
190 throws IOException
191 {
192 pos[1] = line.indexOf( ',', pos[0] );
193 if (pos[1] <= pos[0])
194 {
195 throw new IOException ( "invalid format ["+line+"]" );
196 }
197 String ret = line.substring( pos[0], pos[1] ).trim();
198 pos[0] = pos[1] + 1;
199 return ret;
200 }
201
202
203 protected short nextShort( int pos[], String line )
204 throws IOException
205 {
206 String s = nextElement( pos, line );
207 return parseShort( s, line );
208 }
209
210
211 protected String lastElement( int pos[], String line )
212 throws IOException
213 {
214 if (pos[0] >= line.length())
215 {
216 throw new IOException ( "invalid format ["+line+"]" );
217 }
218 String s = line.substring( pos[0] );
219 return s;
220 }
221
222
223 protected short parseShort( String txt, String line )
224 throws IOException
225 {
226 try
227 {
228 return Short.parseShort( txt );
229 }
230 catch (NumberFormatException e)
231 {
232 throw new IOException ( "invalid format for short ["+line+"]" );
233 }
234 }
235 }
236
237 |
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