gcc/libjava/gnu/gcj/util/path/URLPathEntry.java

68 lines
1.3 KiB
Java

// 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;
}
}
}