private Path computeBootClassPath() {
bootClassPathRtJar = null;
String optionValue;
Path path = new Path();
path.addFiles(options.get(XBOOTCLASSPATH_PREPEND));
if ((optionValue = options.get(ENDORSEDDIRS)) != null) path.addDirectories(optionValue);
else path.addDirectories(System.getProperty("java.endorsed.dirs"), false);
if ((optionValue = options.get(BOOTCLASSPATH)) != null) {
path.addFiles(optionValue);
} else {
// Standard system classes for this compiler's release.
String files = System.getProperty("sun.boot.class.path");
path.addFiles(files, false);
File rt_jar = new File("rt.jar");
for (File file : getPathEntries(files)) {
if (new File(file.getName()).equals(rt_jar)) bootClassPathRtJar = file;
}
}
path.addFiles(options.get(XBOOTCLASSPATH_APPEND));
// Strictly speaking, standard extensions are not bootstrap
// classes, but we treat them identically, so we'll pretend
// that they are.
if ((optionValue = options.get(EXTDIRS)) != null) path.addDirectories(optionValue);
else path.addDirectories(System.getProperty("java.ext.dirs"), false);
return path;
}
private Path computeUserClassPath() {
String cp = options.get(CLASSPATH);
// CLASSPATH environment variable when run from `javac'.
if (cp == null) cp = System.getProperty("env.class.path");
// If invoked via a java VM (not the javac launcher), use the
// platform class path
if (cp == null && System.getProperty("application.home") == null)
cp = System.getProperty("java.class.path");
// Default to current working directory.
if (cp == null) cp = ".";
return new Path()
.expandJarClassPaths(true) // Only search user jars for Class-Paths
.emptyPathDefault(new File(".")) // Empty path elt ==> current directory
.addFiles(cp);
}
/**
* Utility method for converting a search path string to an array of directory and JAR file URLs.
*
* <p>Note that this method is called by apt and the DocletInvoker.
*
* @param path the search path string
* @return the resulting array of directory and JAR file URLs
*/
public static URL[] pathToURLs(String path) {
StringTokenizer st = new StringTokenizer(path, File.pathSeparator);
URL[] urls = new URL[st.countTokens()];
int count = 0;
while (st.hasMoreTokens()) {
URL url = fileToURL(new File(st.nextToken()));
if (url != null) {
urls[count++] = url;
}
}
if (urls.length != count) {
URL[] tmp = new URL[count];
System.arraycopy(urls, 0, tmp, 0, count);
urls = tmp;
}
return urls;
}