|
1 package spoon.support.util;
2
3 import java.io.ByteArrayOutputStream  ;
4 import java.io.File ;
5 import java.io.FileInputStream ;
6 import java.util.ArrayList ;
7 import java.util.List ;
8
9 import org.eclipse.jdt.internal.compiler.ClassFile;
10 import org.eclipse.jdt.internal.compiler.CompilationResult;
11 import org.eclipse.jdt.internal.compiler.ICompilerRequestor;
12 import org.eclipse.jdt.internal.compiler.IErrorHandlingPolicy;
13 import org.eclipse.jdt.internal.compiler.batch.FileSystem;
14 import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
15 import org.eclipse.jdt.internal.compiler.env.ICompilationUnit;
16 import org.eclipse.jdt.internal.compiler.impl.CompilerOptions;
17 import org.eclipse.jdt.internal.compiler.problem.DefaultProblemFactory;
18
19 public class JDTCompiler implements ICompilerRequestor {
20
21 public static ICompilationUnit getUnit(String name, File file)
22 throws Exception {
23
24 String [] tmp = name.split("[.]");
25 char[][] pack = new char[tmp.length - 1][];
26
27 for (int i = 0; i < tmp.length - 1; i++) {
28 pack[i] = tmp[i].toCharArray();
29 }
30
31 ByteArrayOutputStream out = new ByteArrayOutputStream ();
32 FileInputStream in = new FileInputStream (file);
33 byte[] buffer = new byte[512];
34 int read;
35 while ((read = in.read(buffer, 0, 512)) >= 0)
36 out.write(buffer, 0, read);
37
38 ICompilationUnit unit = null;
39
40 unit = new BasicCompilationUnit(out.toString().toCharArray(), pack,
41 file.getName());
42
43 out.close();
44 in.close();
45 return unit;
46 }
47
48 CompilerOptions compilerOption;
49
50 List <ClassFile> classFiles = new ArrayList <ClassFile>();
51
52 public void acceptResult(CompilationResult result) {
53 if (result.hasErrors()) {
54 System.err.println(result);
55 }
56
57 for (ClassFile f : result.getClassFiles()) {
58 classFiles.add(f);
59 }
60 }
61
62 public List <ClassFile> compile(ICompilationUnit[] units) {
63 org.eclipse.jdt.internal.compiler.Compiler compiler = new org.eclipse.jdt.internal.compiler.Compiler(
64 getLibraryAccess(), getHandlingPolicy(), getCompilerOption(),
65 this, new DefaultProblemFactory());
66 compiler.compile(units);
67 return classFiles;
68 }
69
70 public CompilerOptions getCompilerOption() {
71 if (compilerOption == null) {
72 compilerOption = new CompilerOptions();
73 compilerOption.sourceLevel = ClassFileConstants.JDK1_5;
74 compilerOption.suppressWarnings = true;
75 }
76 return compilerOption;
77 }
78
79 private IErrorHandlingPolicy getHandlingPolicy() {
80 return new IErrorHandlingPolicy() {
81 public boolean proceedOnErrors() {
82 return true; }
84
85 public boolean stopOnFirstError() {
86 return false;
87 }
88 };
89 }
90
91 FileSystem getLibraryAccess() {
92 String bootpath = System.getProperty("sun.boot.class.path");
93 String classpath = System.getProperty("java.class.path");
94 List <String > lst = new ArrayList <String >();
95 for (String s : bootpath.split(File.pathSeparator)) {
96 File f = new File (s);
97 if (f.exists()) {
98 lst.add(f.getAbsolutePath());
99 }
100 }
101 for (String s : classpath.split(File.pathSeparator)) {
102 File f = new File (s);
103 if (f.exists()) {
104 lst.add(f.getAbsolutePath());
105 }
106 }
107 return new FileSystem(lst.toArray(new String [0]), new String [0], System
108 .getProperty("file.encoding"));
109 }
110
111 public List <ClassFile> getClassFiles() {
112 return classFiles;
113 }
114
115 }
116 |
Popular Tags |
Java API By Example, From Geeks To Geeks.