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1 package jester;
2
3 import java.io.*;
4
5 public class FileBasedClassSourceCodeChanger implements ClassSourceCodeChanger {
6 private String  sourceFileName;
7 private Compiler compiler;
8 private IgnoreListDocument originalContents;
9
10 private int indexOfLastChange = -1;
11 private String valueChangedFrom = "not changed";
12 private String valueChangedTo = "not changed";
13
14 private Report myReport;
15
16 public FileBasedClassSourceCodeChanger(Configuration configuration, String sourceFileName, Report aReport) {
17 super();
18 this.sourceFileName = sourceFileName;
19 compiler = new RealCompiler(configuration);
20 myReport = aReport;
21 }
22
23 public IgnoreListDocument getOriginalContents() throws ConfigurationException {
24 try {
25 if (originalContents == null) {
26 String ignoreListContents = "";
27 try{
28 ignoreListContents = Util.readFileOnClassPath(IgnoreListDocument.FILE_NAME);
29 }catch(FileNotFoundException ignored){
30 System.err.println("Warning - could not find "+IgnoreListDocument.FILE_NAME+" so not ignoring anything.");
31 }
32 originalContents = new IgnoreListDocument(Util.readFile(sourceFileName), new IgnoreList(ignoreListContents));
33 }
34 return originalContents;
35 } catch (IOException ex) {
36 throw new ConfigurationException(ex.getMessage());
37 }
38 }
39
40 public void writeOriginalContentsBack() throws SourceChangeException {
41 try {
42 Writer writer = new FileWriter(sourceFileName);
43 getOriginalContents().writeOnto(writer, 0, getOriginalContents().length());
44 writer.close();
45 compiler.compile(sourceFileName);
46 } catch (IOException ex) {
47 throw new SourceChangeException(ex.getMessage());
48 }
49 }
50 public void writeOverSourceReplacing(int index, String oldContents, String newContents) throws SourceChangeException {
51 indexOfLastChange = index;
52 valueChangedFrom = oldContents;
53 valueChangedTo = newContents;
54 try {
56 Writer writer = new FileWriter(sourceFileName);
57 getOriginalContents().writeOnto(writer, 0, index);
58 writer.write(newContents, 0, newContents.length());
59 int afterChangeIndex = index + oldContents.length();
60 getOriginalContents().writeOnto(writer, afterChangeIndex, getOriginalContents().length() - afterChangeIndex);
61 writer.close();
62 compiler.compile(sourceFileName);
63 } catch (IOException ex) {
64 throw new SourceChangeException(ex.getMessage());
65 }
66 }
67
68 public void finishJesting() throws SourceChangeException {
69 myReport.finishFile(sourceFileName);
70 }
71
72 public void lastChangeCausedTestsToFail() throws SourceChangeException {
73 myReport.changeThatCausedTestsToFail(indexOfLastChange, valueChangedFrom, valueChangedTo);
74 }
75
76 public void lastChangeDidNotCauseTestsToFail() throws SourceChangeException {
77 myReport.changeThatDidNotCauseTestsToFail(indexOfLastChange, valueChangedFrom, valueChangedTo);
78 }
79
80 public void startJesting() throws SourceChangeException {
81 myReport.startFile(sourceFileName, getOriginalContents());
82 }
83 } |
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