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1
23 package org.hammurapi.results.simple;
24
25 import java.io.File  ;
26 import java.io.FileInputStream ;
27 import java.io.IOException ;
28 import java.io.InputStream ;
29 import java.io.InputStreamReader ;
30 import java.io.Reader ;
31 import java.lang.ref.Reference ;
32 import java.lang.ref.SoftReference ;
33 import java.util.HashMap ;
34 import java.util.Map ;
35
36 import org.hammurapi.HammurapiRuntimeException;
37 import org.hammurapi.WaiverSet;
38 import org.hammurapi.results.ReviewResults;
39
40 import com.pavelvlasov.jsel.CompilationUnit;
41 import com.pavelvlasov.jsel.JselException;
42 import com.pavelvlasov.jsel.impl.CompilationUnitImpl;
43 import com.pavelvlasov.logging.Logger;
44
45
49 public class ReparsingReviewResults extends SimpleDetailedResults implements ReviewResults {
50
53 private static final long serialVersionUID = -349746437092882478L;
54 private String path;
55
56 private static class Context {
57 private Reference ref;
58 private ClassLoader classLoader;
59 private Logger logger;
60 }
61
62 private static ThreadLocal contextMap=new ThreadLocal () {
63 protected Object initialValue() {
64 return new HashMap ();
65 }
66 };
67 private int tabSize;
68 private String encoding;
69
70 ReparsingReviewResults(CompilationUnit cu, WaiverSet waiverSet, ClassLoader classLoader, int tabSize, Logger logger) {
71 super(cu.getName(), waiverSet);
72 path=cu.getFile().getAbsolutePath();
73 this.encoding=cu.getEncoding();
74 Context context=new Context();
75 context.ref=new SoftReference (cu);
76 context.classLoader=classLoader;
77 context.logger=logger;
78 ((Map ) contextMap.get()).put(path, context);
79 this.tabSize=tabSize;
80 }
81
82 public CompilationUnit getCompilationUnit() {
83 Context context=(Context) ((Map ) contextMap.get()).get(path);
84
85 CompilationUnit cu = (CompilationUnit) (context.ref==null ? null : context.ref.get());
86 if (cu==null) {
87 try {
88 InputStream is=new FileInputStream (new File (path));
89 Reader reader = encoding==null ? new InputStreamReader (is) : new InputStreamReader (is, encoding);
90 try {
91 cu=new CompilationUnitImpl(reader, encoding, null, path, tabSize, context.classLoader, context.logger);
92 } finally {
93 reader.close();
94 is.close();
95 }
96 } catch (JselException e) {
97 throw new HammurapiRuntimeException(e);
98 } catch (IOException e) {
99 throw new HammurapiRuntimeException(e);
100 }
101 context.ref=new SoftReference (cu);
102 }
103 return cu;
104 }
105 }
106 |
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