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Java > Open Source Codes > edu > rice > cs > drjava > model > compiler > Javac160FromSetLocation


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33
34 package edu.rice.cs.drjava.model.compiler;
35
36 import java.io.File JavaDoc;
37 import java.net.URLClassLoader JavaDoc;
38 import java.net.URL JavaDoc;
39 import java.net.MalformedURLException JavaDoc;
40
41 import edu.rice.cs.drjava.DrJava;
42 import edu.rice.cs.drjava.config.OptionConstants;
43 import edu.rice.cs.drjava.config.FileOption;
44
45 import edu.rice.cs.util.FileOps;
46
47 /** A compiler interface to find Javac (1.6.0) from the location specified in Configuration.
48  *
49  * @version $Id: Javac160FromSetLocation.java 3984 2006-08-31 18:56:29Z rcartwright $
50  */
51 public class Javac160FromSetLocation extends CompilerProxy implements OptionConstants {
52   
53 // public static final CompilerInterface ONLY = new Javac160FromClassPath();
54
55   private static final String JavaDoc VERSION = System.getProperty("java.specification.version");
56
57   /** Private constructor due to singleton. */
58   public Javac160FromSetLocation() {
59     super("edu.rice.cs.drjava.model.compiler.Javac160Compiler", _getClassLoader());
60   }
61
62   private static ClassLoader JavaDoc _getClassLoader() {
63     
64     File JavaDoc loc = DrJava.getConfig().getSetting(JAVAC_LOCATION);
65     if (loc == FileOption.NULL_FILE) throw new RuntimeException JavaDoc("javac location not set");
66
67     try {
68       //URL url = new File(loc).toURL();
69 URL JavaDoc url = FileOps.toURL(loc);
70       return new URLClassLoader JavaDoc(new URL JavaDoc[] { url });
71     }
72     catch (MalformedURLException JavaDoc e) { throw new RuntimeException JavaDoc("malformed url exception"); }
73   }
74
75   public boolean isAvailable() { return VERSION.equals("1.6") && super.isAvailable(); }
76   public String JavaDoc getName() { return "javac 1.6.0"; }
77 }
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