jdk/src/solaris/classes/sun/misc/FileURLMapper.java
changeset 2 90ce3da70b43
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/solaris/classes/sun/misc/FileURLMapper.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2002-2003 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package sun.misc;
+
+import java.net.URL;
+import java.io.File;
+import sun.net.www.ParseUtil;
+
+/**
+ * (Solaris) platform specific handling for file: URLs .
+ * urls must not contain a hostname in the authority field
+ * other than "localhost".
+ *
+ * This implementation could be updated to map such URLs
+ * on to /net/host/...
+ *
+ * @author      Michael McMahon
+ */
+
+public class FileURLMapper {
+
+    URL url;
+    String path;
+
+    public FileURLMapper (URL url) {
+        this.url = url;
+    }
+
+    /**
+     * @returns the platform specific path corresponding to the URL
+     *  so long as the URL does not contain a hostname in the authority field.
+     */
+
+    public String getPath () {
+        if (path != null) {
+            return path;
+        }
+        String host = url.getHost();
+        if (host == null || "".equals(host) || "localhost".equalsIgnoreCase (host)) {
+            path = url.getFile();
+            path = ParseUtil.decode (path);
+        }
+        return path;
+    }
+
+    /**
+     * Checks whether the file identified by the URL exists.
+     */
+    public boolean exists () {
+        String s = getPath ();
+        if (s == null) {
+            return false;
+        } else {
+            File f = new File (s);
+            return f.exists();
+        }
+    }
+}