src/jdk.naming.rmi/share/classes/com/sun/jndi/url/rmi/rmiURLContext.java
changeset 47216 71c04702a3d5
parent 25859 3317bb8137f4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.naming.rmi/share/classes/com/sun/jndi/url/rmi/rmiURLContext.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 1999, 2011, Oracle and/or its affiliates. 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package com.sun.jndi.url.rmi;
+
+import java.util.Hashtable;
+
+import javax.naming.*;
+import javax.naming.spi.ResolveResult;
+import com.sun.jndi.toolkit.url.GenericURLContext;
+import com.sun.jndi.rmi.registry.RegistryContext;
+
+
+/**
+ * An RMI URL context resolves names that are URLs of the form
+ * <pre>
+ *   rmi://[host][:port][/[object]]
+ * or
+ *   rmi:[/][object]
+ * </pre>
+ * If an object is specified, the URL resolves to the named object.
+ * Otherwise, the URL resolves to the specified RMI registry.
+ *
+ * @author Scott Seligman
+ */
+public class rmiURLContext extends GenericURLContext {
+
+    public rmiURLContext(Hashtable<?,?> env) {
+        super(env);
+    }
+
+    /**
+     * Resolves the registry portion of "url" to the corresponding
+     * RMI registry, and returns the atomic object name as the
+     * remaining name.
+     */
+    protected ResolveResult getRootURLContext(String url, Hashtable<?,?> env)
+            throws NamingException
+    {
+        if (!url.startsWith("rmi:")) {
+            throw (new IllegalArgumentException(
+                    "rmiURLContext: name is not an RMI URL: " + url));
+        }
+
+        // Parse the URL.
+
+        String host = null;
+        int port = -1;
+        String objName = null;
+
+        int i = 4;              // index into url, following the "rmi:"
+
+        if (url.startsWith("//", i)) {          // parse "//host:port"
+            i += 2;                             // skip past "//"
+            int slash = url.indexOf('/', i);
+            if (slash < 0) {
+                slash = url.length();
+            }
+            if (url.startsWith("[", i)) {               // at IPv6 literal
+                int brac = url.indexOf(']', i + 1);
+                if (brac < 0 || brac > slash) {
+                    throw new IllegalArgumentException(
+                        "rmiURLContext: name is an Invalid URL: " + url);
+                }
+                host = url.substring(i, brac + 1);      // include brackets
+                i = brac + 1;                           // skip past "[...]"
+            } else {                                    // at host name or IPv4
+                int colon = url.indexOf(':', i);
+                int hostEnd = (colon < 0 || colon > slash)
+                    ? slash
+                    : colon;
+                if (i < hostEnd) {
+                    host = url.substring(i, hostEnd);
+                }
+                i = hostEnd;                            // skip past host
+            }
+            if ((i + 1 < slash)) {
+                if ( url.startsWith(":", i)) {       // parse port
+                    i++;                             // skip past ":"
+                    port = Integer.parseInt(url.substring(i, slash));
+                } else {
+                    throw new IllegalArgumentException(
+                        "rmiURLContext: name is an Invalid URL: " + url);
+                }
+            }
+            i = slash;
+        }
+        if ("".equals(host)) {
+            host = null;
+        }
+        if (url.startsWith("/", i)) {           // skip "/" before object name
+            i++;
+        }
+        if (i < url.length()) {
+            objName = url.substring(i);
+        }
+
+        // Represent object name as empty or single-component composite name.
+        CompositeName remaining = new CompositeName();
+        if (objName != null) {
+            remaining.add(objName);
+        }
+
+        // Debug
+        //System.out.println("host=" + host + " port=" + port +
+        //                 " objName=" + remaining.toString() + "\n");
+
+        // Create a registry context.
+        Context regCtx = new RegistryContext(host, port, env);
+
+        return (new ResolveResult(regCtx, remaining));
+    }
+}