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1
55
56 package org.apache.bsf.util;
57
58 import java.io.IOException  ;
59 import org.apache.bsf.debug.util.DebugLog;
60
61 public class JavaUtils
62 {
63 private static boolean cantLoadCompiler=false;
66 public static boolean JDKcompile(String fileName, String classPath)
67 {
68 DebugLog.stderrPrintln("JavaEngine: Compiling " + fileName,
69 DebugLog.BSF_LOG_L1);
70 DebugLog.stderrPrintln("JavaEngine: Classpath is " + classPath,
71 DebugLog.BSF_LOG_L1);
72
73 String option = (DebugLog.getLogLevel() > 0) ? "-g" : "-O";
74
75 if(!cantLoadCompiler)
76 {
77 String args[] = {
78 option,
79 "-classpath",
80 classPath,
81 fileName
82 };
83 try
84 {
85 return new sun.tools.javac.Main(System.err, "javac").compile(args);
86 }
87 catch (Throwable th)
88 {
89 DebugLog.stderrPrintln("WARNING: Unable to load Java 1.3 compiler.",
90 DebugLog.BSF_LOG_L0);
91 DebugLog.stderrPrintln("\tSwitching to command-line invocation.",
92 DebugLog.BSF_LOG_L0);
93 cantLoadCompiler=true;
94 }
95 }
96
97 String args[] = {
99 "javac",
100 option,
101 "-classpath",
102 classPath,
103 fileName
104 };
105 try
106 {
107 Process p=java.lang.Runtime.getRuntime().exec(args);
108 p.waitFor();
109 return(p.exitValue()!=0);
110 }
111 catch(IOException e)
112 {
113 DebugLog.stderrPrintln("ERROR: IO exception during exec(javac).",
114 DebugLog.BSF_LOG_L1);
115 }
116 catch(SecurityException e)
117 {
118 DebugLog.stderrPrintln("ERROR: Unable to create subprocess to exec(javac).",
119 DebugLog.BSF_LOG_L1);
120 }
121 catch(InterruptedException e)
122 {
123 DebugLog.stderrPrintln("ERROR: Wait for exec(javac) was interrupted.",
124 DebugLog.BSF_LOG_L1);
125 }
126 return false;
127 }
128 }
129 |
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