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34 package org.objectweb.carol.cmi.compiler;
35
36 import java.io.BufferedReader  ;
37 import java.io.File ;
38 import java.io.IOException ;
39 import java.io.InputStreamReader ;
40 import java.io.PrintStream ;
41 import java.util.ArrayList ;
42 import java.util.Collection ;
43 import java.util.Collections ;
44 import java.util.Iterator ;
45
46
50 public class Utils {
51
52
55 private static final String COMPILER_CLASS_NAME = "com.sun.tools.javac.Main";
56
57 static void compileFile(Compiler cCtx, String fullFileName) throws CompilerException {
58 compileFiles(cCtx, Collections.singleton(fullFileName));
59 }
60
61 static void compileFiles(Compiler cCtx, Collection fullFileNames)
62 throws CompilerException {
63
64 if (cCtx.isInvokeCmd()) {
65 String classpath = "";
66 if (cCtx.getClassPath() != null) {
67 classpath = cCtx.getClassPath() + System.getProperty("path.separator", "")
68 + System.getProperty("java.class.path", "");
69 } else {
70 classpath = System.getProperty("java.class.path", "");
71 }
72
73 ArrayList args = new ArrayList ();
74 args.add("-d");
75 args.add(cCtx.getDestDir());
76 args.add("-classpath");
77 args.add(classpath);
78 args.addAll(fullFileNames);
79
80 try {
81 Class c = Class.forName(COMPILER_CLASS_NAME);
83 Object compiler = c.newInstance();
84 java.lang.reflect.Method compile = c.getMethod("compile", new Class [] {(new String [] {}).getClass()});
85 int result = ((Integer ) compile.invoke(compiler, new Object [] {args.toArray(new String []{})})).intValue();
86 if (result != 0) {
87 throw new CompilerException("Compilation of " + fullFileNames + " ended abnormally with code "
88 + result);
89 }
90 } catch (Exception e) {
91 throw new CompilerException("While compiling " + fullFileNames, e);
92 }
93 } else {
94 StringBuffer files = new StringBuffer ();
95 for (Iterator it = fullFileNames.iterator(); it.hasNext(); ) {
96 String fullFileName = (String ) it.next();
97 files.append(fullFileName);
98 files.append(" ");
99 }
100
101 String command = cCtx.getCompiler() + " -d " + cCtx.getDestDir() + " " + files;
102
103 String classpath = "";
104 if (cCtx.getClassPath() != null) {
105 classpath = cCtx.getClassPath() + System.getProperty("path.separator", "")
106 + System.getProperty("java.class.path", "");
107 } else {
108 classpath = System.getProperty("java.class.path", "");
109 }
110
111 String [] env = new String [] {"CLASSPATH=" + classpath};
112
113 Process proc;
114 try {
115 proc = Runtime.getRuntime().exec(command, env);
116 } catch (IOException e) {
117 throw new CompilerException("While compiling " + fullFileNames, e);
118 }
119
120 Thread stdoutThread = new Thread (new RunnableStreamListener(new BufferedReader (new InputStreamReader (proc
121 .getInputStream())), System.out), "stdout listener for " + cCtx.getCompiler());
122 stdoutThread.start();
123
124 Thread stderrThread = new Thread (new RunnableStreamListener(new BufferedReader (new InputStreamReader (proc
125 .getErrorStream())), System.err), "stderr listener for " + cCtx.getCompiler());
126 stderrThread.start();
127 int n;
128 try {
129 n = proc.waitFor();
130 } catch (InterruptedException e1) {
131 throw new CompilerException("While compiling " + fullFileNames, e1);
132 }
133 if (n != 0) {
134 throw new CompilerException("Compilation of " + fullFileNames + " ended abnormally with code " + n);
135 }
136 }
137 }
138
139 static void deleteFiles(Collection fileNames) {
140 for (Iterator it = fileNames.iterator(); it.hasNext(); ) {
141 deleteFile((String ) it.next());
142 }
143 }
144
145 static void deleteFile(String fileName) {
146 if (fileName == null || fileName == "") return;
147 File f = new File (fileName);
148 if (f.exists()) {
149 f.delete();
150 }
151 }
152 }
153
154 class RunnableStreamListener implements Runnable {
155
156 BufferedReader is;
157
158 PrintStream ps;
159
160 RunnableStreamListener(BufferedReader istream, PrintStream pstream) {
161 is = istream;
162 ps = pstream;
163 }
164
165 public void run() {
166 String line;
167 try {
168 while ((line = is.readLine()) != null)
169 ps.println(line);
170 } catch (IOException e) {
171 ps.println(e.toString());
172 }
173 }
174 }
175 |
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