src/share/classes/com/sun/tools/javac/file/Paths.java
Print this page
@@ -25,17 +25,20 @@
package com.sun.tools.javac.file;
import java.io.File;
import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashSet;
+import java.util.StringTokenizer;
import java.util.zip.ZipFile;
import javax.tools.JavaFileManager.Location;
import com.sun.tools.javac.code.Lint;
import com.sun.tools.javac.util.Context;
@@ -447,6 +450,62 @@
private boolean isArchive(File file) {
String n = file.getName().toLowerCase();
return fsInfo.isFile(file)
&& (n.endsWith(".jar") || n.endsWith(".zip"));
}
+
+ /**
+ * Utility method for converting a search path string to an array
+ * of directory and JAR file URLs.
+ *
+ * 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;
+ }
+
+ /**
+ * Returns the directory or JAR file URL corresponding to the specified
+ * local file name.
+ *
+ * @param file the File object
+ * @return the resulting directory or JAR file URL, or null if unknown
+ */
+ private static URL fileToURL(File file) {
+ String name;
+ try {
+ name = file.getCanonicalPath();
+ } catch (IOException e) {
+ name = file.getAbsolutePath();
+ }
+ name = name.replace(File.separatorChar, '/');
+ if (!name.startsWith("/")) {
+ name = "/" + name;
+ }
+ // If the file does not exist, then assume that it's a directory
+ if (!file.isFile()) {
+ name = name + "/";
+ }
+ try {
+ return new URL("file", "", name);
+ } catch (MalformedURLException e) {
+ throw new IllegalArgumentException(file.toString());
+ }
+ }
}