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1
22
23 package net.sourceforge.cobertura.coveragedata;
24
25 import java.io.File  ;
26 import java.io.FileInputStream ;
27 import java.io.FileOutputStream ;
28 import java.io.IOException ;
29 import java.io.InputStream ;
30 import java.io.ObjectInputStream ;
31 import java.io.ObjectOutputStream ;
32 import java.io.OutputStream ;
33
34
38 public abstract class CoverageDataFileHandler implements HasBeenInstrumented
39 {
40
41
44 public static final String FILE_NAME = "cobertura.ser";
45
46 public static File getDefaultDataFile()
47 {
48 String systemProperty = System
49 .getProperty("net.sourceforge.cobertura.datafile");
50 if (systemProperty != null)
51 return new File (systemProperty);
52 return new File (FILE_NAME);
53 }
54
55 public static ProjectData loadCoverageData(File dataFile)
56 {
57 InputStream is = null;
58
59 try
61 {
62 is = new FileInputStream (dataFile);
63 return loadCoverageData(is);
64 }
65 catch (IOException e)
66 {
67 System.err.println("Cobertura: Error reading file "
68 + dataFile.getAbsolutePath() + ": "
69 + e.getLocalizedMessage());
70 return null;
71 }
72 finally
73 {
74 if (is != null)
75 try
76 {
77 is.close();
78 }
79 catch (IOException e)
80 {
81 System.err.println("Cobertura: Error closing file "
82 + dataFile.getAbsolutePath() + ": "
83 + e.getLocalizedMessage());
84 }
85 }
86 }
87
88 private static ProjectData loadCoverageData(InputStream dataFile) throws IOException
89 {
90 ObjectInputStream objects = null;
91
92 try
93 {
94 objects = new ObjectInputStream (dataFile);
95 ProjectData projectData = (ProjectData)objects.readObject();
96 System.out.println("Cobertura: Loaded information on "
97 + projectData.getNumberOfClasses() + " classes.");
98 return projectData;
99 }
100 catch (IOException e) {
101 throw e;
102 }
103 catch (Exception e)
104 {
105 System.err.println("Cobertura: Error reading from object stream.");
106 e.printStackTrace();
107 return null;
108 }
109 finally
110 {
111 if (objects != null)
112 {
113 try
114 {
115 objects.close();
116 }
117 catch (IOException e)
118 {
119 System.err
120 .println("Cobertura: Error closing object stream.");
121 e.printStackTrace();
122 }
123 }
124 }
125 }
126
127 public static void saveCoverageData(ProjectData projectData,
128 File dataFile)
129 {
130 FileOutputStream os = null;
131
132 try
134 {
135 os = new FileOutputStream (dataFile);
136 saveCoverageData(projectData, os);
137 }
138 catch (IOException e)
139 {
140 System.err.println("Cobertura: Error writing file "
141 + dataFile.getAbsolutePath());
142 e.printStackTrace();
143 }
144 finally
145 {
146 if (os != null)
147 {
148 try
149 {
150 os.close();
151 }
152 catch (IOException e)
153 {
154 System.err.println("Cobertura: Error closing file "
155 + dataFile.getAbsolutePath());
156 e.printStackTrace();
157 }
158 }
159 }
160 }
161
162 private static void saveCoverageData(ProjectData projectData,
163 OutputStream dataFile)
164 {
165 ObjectOutputStream objects = null;
166
167 try
168 {
169 objects = new ObjectOutputStream (dataFile);
170 objects.writeObject(projectData);
171 System.out.println("Cobertura: Saved information on " + projectData.getNumberOfClasses() + " classes.");
172 }
173 catch (IOException e)
174 {
175 System.err.println("Cobertura: Error writing to object stream.");
176 e.printStackTrace();
177 }
178 finally
179 {
180 if (objects != null)
181 {
182 try
183 {
184 objects.close();
185 }
186 catch (IOException e)
187 {
188 System.err
189 .println("Cobertura: Error closing object stream.");
190 e.printStackTrace();
191 }
192 }
193 }
194 }
195
196 }
197 |
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