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+/* PathOptionGroup.java - handle classpath-setting options
+ Copyright (C) 2006 Free Software Foundation, Inc.
+
+ This file is part of GNU Classpath.
+
+ GNU Classpath is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ GNU Classpath is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GNU Classpath; see the file COPYING. If not, write to the
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301 USA.
+
+ Linking this library statically or dynamically with other modules is
+ making a combined work based on this library. Thus, the terms and
+ conditions of the GNU General Public License cover the whole
+ combination.
+
+ As a special exception, the copyright holders of this library give you
+ permission to link this library with independent modules to produce an
+ executable, regardless of the license terms of these independent
+ modules, and to copy and distribute the resulting executable under
+ terms of your choice, provided that you also meet, for each linked
+ independent module, the terms and conditions of the license of that
+ module. An independent module is a module which is not derived from
+ or based on this library. If you modify this library, you may extend
+ this exception to your version of the library, but you are not
+ obligated to do so. If you do not wish to do so, delete this
+ exception statement from your version. */
+
+
+package gnu.classpath.tools.javah;
+
+import gnu.classpath.tools.getopt.Option;
+import gnu.classpath.tools.getopt.OptionException;
+import gnu.classpath.tools.getopt.OptionGroup;
+
+import java.io.File;
+import java.io.FilenameFilter;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.StringTokenizer;
+
+public class PathOptionGroup
+ extends OptionGroup
+{
+ ArrayList classpath = new ArrayList();
+
+ ArrayList bootclasspath = new ArrayList();
+
+ void setPath(ArrayList list, String path)
+ {
+ list.clear();
+ StringTokenizer st = new StringTokenizer(path, File.pathSeparator);
+ while (st.hasMoreTokens())
+ {
+ list.add(st.nextToken());
+ }
+ }
+
+ void addExtDirs(ArrayList list, String path)
+ {
+ StringTokenizer tok = new StringTokenizer(path, File.pathSeparator);
+ while (tok.hasMoreTokens())
+ {
+ File dir = new File(tok.nextToken());
+ list.addAll(Arrays.asList(dir.list(new FilenameFilter()
+ {
+ public boolean accept(File dir, String name)
+ {
+ return name.endsWith(".zip") || name.endsWith(".jar");
+ }
+ })));
+ }
+ }
+
+ public PathOptionGroup()
+ {
+ super("Class path options");
+
+ add(new Option("classpath", "Set the class path", "PATH")
+ {
+ public void parsed(String path) throws OptionException
+ {
+ setPath(classpath, path);
+ }
+ });
+ add(new Option('I', "Add directory to class path", "DIR")
+ {
+ public void parsed(String path) throws OptionException
+ {
+ classpath.add(path);
+ }
+ });
+ add(new Option("bootclasspath", "Set the boot class path", "PATH")
+ {
+ public void parsed(String path) throws OptionException
+ {
+ setPath(bootclasspath, path);
+ }
+ });
+ add(new Option("extdirs", "Set the extension directory path", "PATH")
+ {
+ public void parsed(String path) throws OptionException
+ {
+ addExtDirs(classpath, path);
+ }
+ });
+ }
+
+ public URLClassLoader getLoader() throws MalformedURLException
+ {
+ ArrayList urls = new ArrayList();
+ classpath.addAll(bootclasspath);
+ Iterator i = classpath.iterator();
+ while (i.hasNext())
+ {
+ String f = (String) i.next();
+ urls.add(new File(f).toURL());
+ }
+ URL[] urlArray = (URL[]) urls.toArray(new URL[0]);
+ return new URLClassLoader(urlArray);
+ }
+}