removed a long time ago.
From-SVN: r30379
+++ /dev/null
-// CacheEntry.java -- directory cache
-
-/* Copyright (C) 1999 Cygnus Solutions
-
- This file is part of libgcj.
-
-This software is copyrighted work licensed under the terms of the
-Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
-details. */
-
-/* Author: Kresten Krab Thorup <krab@gnu.org> */
-
-package gnu.gcj.util.path;
-
-import java.util.*;
-import java.util.zip.*;
-import java.io.*;
-import java.net.*;
-
-
-final class CacheEntry {
- String dir;
- String[] files;
- long time;
-
- CacheEntry (String d)
- {
- dir = d;
- files = new File(dir).list();
- time = System.currentTimeMillis ();
- }
-
- void touch ()
- {
- time = System.currentTimeMillis ();
- }
-
- final long EXPIRATION_TIME_MS = 1000;
-
- boolean is_old () {
- return (System.currentTimeMillis () - time) > EXPIRATION_TIME_MS;
- }
-
- public int hashCode () { return dir.hashCode(); }
- boolean contains (String file) {
- if (files == null)
- return false;
-
- int index = file.lastIndexOf(SearchPath.file_seperator_char);
- String f;
-
- if (index == -1)
- f = file;
- else
- f = file.substring (index+1);
-
- for (int i = 0; i < files.length; i++)
- {
- if (f.equals (files[i])) return true;
- }
-
- return false;
- }
-}
-
+++ /dev/null
-// DirectoryPathEntry.java -- search path element for directories
-
-/* Copyright (C) 1999 Cygnus Solutions
-
- This file is part of libgcj.
-
-This software is copyrighted work licensed under the terms of the
-Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
-details. */
-
-/* Author: Kresten Krab Thorup <krab@gnu.org> */
-
-package gnu.gcj.util.path;
-
-import java.util.*;
-import java.util.zip.*;
-import java.io.*;
-import java.net.*;
-
-final class DirectoryPathEntry extends PathEntry
-{
- final File dir;
- final String base_canon;
-
- public String toString () { return base_canon; }
-
- DirectoryPathEntry (File f)
- throws java.io.IOException
- {
- if (!f.isAbsolute ())
- throw new IllegalArgumentException ();
-
- dir = f;
- base_canon = dir.getCanonicalPath ();
- }
-
- /*
- * We maintain a cache of files, so that we
- * can avoid many calls to stat(), which are
- * very expensive.
- *
- * seen_cache contains (as keys) the directories
- * which we have visited so far. The values are
- * instances of CacheEntry, containing a time stamp,
- * and a list of files in that directory.
- *
- */
-
- private Hashtable seen_cache = new Hashtable ();
-
- private boolean in_cache (File f)
- {
- String rel_dir = f.getParent ();
- CacheEntry ent;
-
- if (rel_dir == null)
- throw new IllegalArgumentException ();
-
- ent = (CacheEntry) seen_cache.get (rel_dir);
- if (ent == null)
- {
- ent = new CacheEntry (rel_dir);
- seen_cache.put (rel_dir, ent);
- }
-
- if (ent.contains (f.getPath ()))
- {
- return true;
- }
-
- if ( ent.is_old () )
- {
- if (f.exists ())
- {
- seen_cache.remove (rel_dir);
- return true;
- }
- else
- {
- ent.touch ();
- }
- }
-
- return false;
- }
-
- URL getURL (String file) {
- try {
- File f = new File((new File (dir, file).getCanonicalPath ()));
-
- if (! f.getCanonicalPath ().startsWith (base_canon))
- throw new IllegalArgumentException (file);
-
-
- if (in_cache (f))
- return new URL ("file", "", f.getPath ());
- else
- return null;
-
- } catch (IOException x) {
- return null;
- }
- }
-
- InputStream getStream (String file) {
- try {
- File f = new File((new File (dir, file)).getCanonicalPath ());
-
- if (! f.getCanonicalPath ().startsWith (base_canon))
- throw new IllegalArgumentException (file);
-
- if (in_cache (f))
- return new FileInputStream (f);
- else
- return null;
- } catch (IOException x) {
- return null;
- }
- }
-
- byte[] getBytes (String file) {
- File f = new File (dir, file);
-
- try {
- if (in_cache (f))
- return readbytes (new FileInputStream (f),
- (int) f.length ());
- else
- return null;
- } catch (IOException x) {
- return null;
- }
- }
-
-}
-
+++ /dev/null
-// PathEntry.java -- abstract element of search paths
-
-/* Copyright (C) 1999 Cygnus Solutions
-
- This file is part of libgcj.
-
-This software is copyrighted work licensed under the terms of the
-Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
-details. */
-
-/* Author: Kresten Krab Thorup <krab@gnu.org> */
-
-package gnu.gcj.util.path;
-
-import java.util.*;
-import java.util.zip.*;
-import java.io.*;
-import java.net.*;
-
-abstract class PathEntry {
- abstract URL getURL (String file);
- abstract InputStream getStream (String file);
- abstract byte[] getBytes (String file);
-
- /**
- * Utility routine like InputStream.read(byte[], 0, len), but will
- * read fully, even if all the data is not available at once.
- */
- protected static byte[] readbytes (InputStream is, int length)
- {
- try {
-
- byte[] data = new byte[length];
- int read;
- int off = 0;
-
- while (off != length)
- {
- read = is.read (data, off, (int) (length-off));
-
- if (read == -1)
- return null;
-
- off += read;
- }
-
- return data;
- } catch (IOException x) {
- return null;
- }
- }
-
-}
-
-
+++ /dev/null
-// SearchPath.java -- generic search path utility
-
-/* Copyright (C) 1999 Cygnus Solutions
-
- This file is part of libgcj.
-
-This software is copyrighted work licensed under the terms of the
-Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
-details. */
-
-/* Author: Kresten Krab Thorup <krab@gnu.org> */
-
-
-package gnu.gcj.util.path;
-
-import java.util.*;
-import java.util.zip.*;
-import java.io.*;
-import java.net.*;
-
-final public class SearchPath {
-
- final static String path_seperator
- = System.getProperty ("path.separator");
- final static char path_seperator_char
- = path_seperator.charAt (0);
- final static String file_seperator
- = System.getProperty ("file.separator");
- final static char file_seperator_char
- = file_seperator.charAt (0);
-
- private Vector path;
-
- /**
- * Constructs a SearchPath object, given a system path.
- * The system path is expected to be seperated by the string
- * defined by the <code>path.seperator</code> property.
- * (<code>":"</code> on unix, <code>;</code> on Windows, etc.).
- * The path may contain names of directories, or names of
- * .zip or .jar files. Elements that are neither of these
- * are ignored.
- * @param sys_path the search path
- */
-
- SearchPath (String sys_path)
- {
- StringTokenizer st = new StringTokenizer (sys_path, path_seperator);
- init (st);
- }
-
- /**
- * Constructs a SearchPath object, given a Vector of
- * <code>String</code>, <code>File</code> or <code>URL</code>
- * objects.
- * The path may contain names of directories, or names of
- * .zip or .jar files. Elements that are neither of these
- * are ignored.
- * @param p the vector of search path elements
- */
-
- SearchPath (Vector p)
- {
- init (p.elements ());
- }
-
- public URL getURL (String element)
- {
- URL result;
-
- Enumeration e = path.elements ();
- while (e.hasMoreElements ())
- {
- PathEntry ent = (PathEntry) e.nextElement ();
-
- result = ent.getURL (element);
-
- if (result != null)
- {
- return result;
- }
- }
-
- return null;
- }
-
-
- public InputStream getStream (String element)
- {
- InputStream result;
-
- Enumeration e = path.elements ();
- while (e.hasMoreElements ())
- {
- PathEntry ent = (PathEntry) e.nextElement ();
-
- result = ent.getStream (element);
-
- if (result != null)
- {
- return result;
- }
- }
-
- return null;
- }
-
-
- public byte[] getBytes (String element)
- {
- byte[] result;
-
- Enumeration e = path.elements ();
- while (e.hasMoreElements ())
- {
- PathEntry ent = (PathEntry) e.nextElement ();
- result = ent.getBytes (element);
- if (result != null)
- {
- // System.out.println ("loading " + ent
- // + "(" + element + ")");
- return result;
- }
- }
-
- return null;
- }
-
-
-
- private void init (Enumeration st)
- {
- path = new Vector ();
- while (st.hasMoreElements ())
- {
- Object e = st.nextElement ();
-
- String elem;
- File efile;
-
- if (e instanceof URL)
- {
- path.addElement (new URLPathEntry ((URL) e));
- continue;
- }
-
- if (e instanceof File)
- {
- efile = (File) e;
- elem = efile.getPath ();
- }
-
- else if (e instanceof String)
- {
- elem = (String) e;
- efile = new File (elem);
- }
-
- else
- throw new IllegalArgumentException ();
-
- // make sure it is absolute, so we won't get
- // trouble if the cwd is changed...
- if (! efile.isAbsolute ())
- efile = new File (efile.getAbsolutePath ());
-
- if (efile.isDirectory ())
- {
- try {
- path.addElement(new DirectoryPathEntry (efile));
- } catch (IOException x) {
- /* ignore for now */
- }
- }
-
- else if (efile.isFile ())
- {
- int ext = elem.lastIndexOf ('.');
- if (ext == -1)
- continue;
-
- if (!elem.substring(ext+1).equalsIgnoreCase("zip"))
- continue;
-
- ZipPathEntry zpe = null;
- try {
- zpe = new ZipPathEntry (efile);
- } catch (ZipException zx) {
- System.err.println ("SearchPath::ZipException");
- zpe = null;
- } catch (MalformedURLException mx) {
- System.err.println ("SearchPath::URLException");
- zpe = null;
- } catch (IOException iox) {
- System.err.println ("SearchPath::IOException");
- zpe = null;
- }
- if (zpe != null) path.addElement (zpe);
- }
- }
-
- }
-
-
-}
-
+++ /dev/null
-// URLPathEntry.java -- search path element for URL's
-
-/* Copyright (C) 1999 Cygnus Solutions
-
- This file is part of libgcj.
-
-This software is copyrighted work licensed under the terms of the
-Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
-details. */
-
-/* Author: Kresten Krab Thorup <krab@gnu.org> */
-
-package gnu.gcj.util.path;
-
-import java.util.*;
-import java.util.zip.*;
-import java.io.*;
-import java.net.*;
-
-final class URLPathEntry extends PathEntry {
- final URL base;
-
- URLPathEntry (URL f) {
- base = f;
- }
-
- public String toString () { return base.toString (); }
-
- URL getURL (String file) {
-
- try {
- URL res = new URL (base, file);
- InputStream is = res.openStream (); // exc if not found
- is.close ();
- return res;
- } catch (java.io.IOException x) {
- return null;
- }
- }
-
- InputStream getStream (String file) {
-
- try {
- URL res = new URL (base, file);
- return res.openStream ();
- } catch (java.io.IOException x) {
- return null;
- }
-
- }
-
- byte[] getBytes (String file) {
-
- try {
- URL res = new URL (base, file);
- URLConnection conn = res.openConnection ();
- int len = conn.getContentLength ();
- if (len == -1) return null;
- return readbytes (conn.getInputStream (), len);
- } catch (java.io.IOException x) {
- return null;
- }
-
- }
-
-}
-
+++ /dev/null
-// ZipPathEntry.java -- search path element for directories
-
-/* Copyright (C) 1999 Cygnus Solutions
-
- This file is part of libgcj.
-
-This software is copyrighted work licensed under the terms of the
-Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
-details. */
-
-/* Author: Kresten Krab Thorup <krab@gnu.org> */
-
-package gnu.gcj.util.path;
-
-import java.util.*;
-import java.util.zip.*;
-import java.io.*;
-import java.net.*;
-
-
-final class ZipPathEntry extends PathEntry {
- final ZipFile zip;
- final URL file;
-
- public String toString () { return zip.getName (); }
-
- ZipPathEntry (File f)
- throws MalformedURLException, ZipException, IOException
- {
- file = new URL ("file", "", f.getPath ());
- zip = new ZipFile (f);
- zip.readDirectory ();
- }
-
- /*
- The url for a zip-file resource is,
-
- <code>file:///path/file.zip#name</code>
-
- Then, it is URLConnection's problem to handle that.
- */
-
- URL getURL (String f) {
-
- ZipEntry ent = zip.getEntry (f);
-
- try {
- if (ent != null)
- return new URL (file, "#"+f);
- else
- return null;
- } catch (IOException x) {
- return null;
- }
- }
-
- InputStream getStream (String f) {
-
- ZipEntry ent = zip.getEntry (f);
-
- try {
- if (ent != null)
- return zip.getInputStream (ent);
- else
- return null;
- } catch (IOException x) {
- return null;
- }
- }
-
- byte[] getBytes (String f) {
- ZipEntry ent = zip.getEntry (f);
-
- try {
- if (ent != null)
- return readbytes (zip.getInputStream (ent),
- (int) ent.getSize ());
- else
- return null;
- } catch (IOException x) {
- return null;
- }
-
- }
-}
-
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