Package org.mortbay.naming.java

Source Code of org.mortbay.naming.java.TestJNDI$MyObjectFactory

// ========================================================================
// $Id: TestJNDI.java 3680 2008-09-21 10:37:13Z janb $
// Copyright 1999-2004 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========================================================================

package org.mortbay.naming.java;


import java.net.URL;
import java.net.URLClassLoader;
import java.util.HashMap;
import java.util.Hashtable;

import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.LinkRef;
import javax.naming.Name;
import javax.naming.NameAlreadyBoundException;
import javax.naming.NameClassPair;
import javax.naming.NameNotFoundException;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.Reference;
import javax.naming.StringRefAddr;
import javax.naming.spi.ObjectFactory;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.mortbay.log.Log;
import org.mortbay.naming.NamingContext;



public class TestJNDI extends TestCase
{


    public static class MyObjectFactory implements ObjectFactory
    {
        public static String myString = "xxx";

        public Object getObjectInstance(Object obj,
                                        Name name,
                                        Context nameCtx,
                                        Hashtable environment)
            throws Exception
            {
                return myString;
            }
    }

    public TestJNDI (String name)
    {
        super (name);
    }


    public static Test suite ()
    {
        return new TestSuite (TestJNDI.class);
    }

    public void setUp ()
        throws Exception
    {
    }


    public void tearDown ()
        throws Exception
    {
    }

    public void testIt ()
    throws Exception
    {
        try
        {
            //set up some classloaders
            Thread currentThread = Thread.currentThread();
            ClassLoader currentLoader = currentThread.getContextClassLoader();
            ClassLoader childLoader1 = new URLClassLoader(new URL[0], currentLoader);
            ClassLoader childLoader2 = new URLClassLoader(new URL[0], currentLoader);

            //set the current thread's classloader
            currentThread.setContextClassLoader(childLoader1);

            InitialContext initCtxA = new InitialContext();
            initCtxA.bind ("blah", "123");
            assertEquals ("123", initCtxA.lookup("blah"));




            InitialContext initCtx = new InitialContext();
            Context sub0 = (Context)initCtx.lookup("java:");

            if(Log.isDebugEnabled())Log.debug("------ Looked up java: --------------");

            Name n = sub0.getNameParser("").parse("/red/green/");


            if(Log.isDebugEnabled())Log.debug("get(0)="+n.get(0));
            if(Log.isDebugEnabled())Log.debug("getPrefix(1)="+n.getPrefix(1));
            n = n.getSuffix(1);
            if(Log.isDebugEnabled())Log.debug("getSuffix(1)="+n);
            if(Log.isDebugEnabled())Log.debug("get(0)="+n.get(0));
            if(Log.isDebugEnabled())Log.debug("getPrefix(1)="+n.getPrefix(1));
            n = n.getSuffix(1);
            if(Log.isDebugEnabled())Log.debug("getSuffix(1)="+n);
            if(Log.isDebugEnabled())Log.debug("get(0)="+n.get(0));
            if(Log.isDebugEnabled())Log.debug("getPrefix(1)="+n.getPrefix(1));
            n = n.getSuffix(1);
            if(Log.isDebugEnabled())Log.debug("getSuffix(1)="+n);

            n = sub0.getNameParser("").parse("pink/purple/");
            if(Log.isDebugEnabled())Log.debug("get(0)="+n.get(0));
            if(Log.isDebugEnabled())Log.debug("getPrefix(1)="+n.getPrefix(1));
            n = n.getSuffix(1);
            if(Log.isDebugEnabled())Log.debug("getSuffix(1)="+n);
            if(Log.isDebugEnabled())Log.debug("get(0)="+n.get(0));
            if(Log.isDebugEnabled())Log.debug("getPrefix(1)="+n.getPrefix(1));

            NamingContext ncontext = (NamingContext)sub0;

            Name nn = ncontext.toCanonicalName(ncontext.getNameParser("").parse("/yellow/blue/"));
            Log.debug(nn.toString());
            assertEquals (2, nn.size());

            nn = ncontext.toCanonicalName(ncontext.getNameParser("").parse("/yellow/blue"));
            Log.debug(nn.toString());
            assertEquals (2, nn.size());

            nn = ncontext.toCanonicalName(ncontext.getNameParser("").parse("/"));
            if(Log.isDebugEnabled())Log.debug("/ parses as: "+nn+" with size="+nn.size());
            Log.debug(nn.toString());
            assertEquals (1, nn.size());

            nn = ncontext.toCanonicalName(ncontext.getNameParser("").parse(""));
            Log.debug(nn.toString());
            assertEquals (0, nn.size());

            Context fee = ncontext.createSubcontext("fee");
            fee.bind ("fi", "88");
            assertEquals("88", initCtxA.lookup("java:/fee/fi"));
            assertEquals("88", initCtxA.lookup("java:/fee/fi/"));
            assertTrue (initCtxA.lookup("java:/fee/") instanceof javax.naming.Context);

            try
            {
                Context sub1 = sub0.createSubcontext ("comp");
                fail("Comp should already be bound");
            }
            catch (NameAlreadyBoundException e)
            {
                //expected exception
            }



            //check bindings at comp
            Context sub1 = (Context)initCtx.lookup("java:comp");

            Context sub2 = sub1.createSubcontext ("env");

            initCtx.bind ("java:comp/env/rubbish", "abc");
            assertEquals ("abc", (String)initCtx.lookup("java:comp/env/rubbish"));



            //check binding LinkRefs
            LinkRef link = new LinkRef ("java:comp/env/rubbish");
            initCtx.bind ("java:comp/env/poubelle", link);
            assertEquals ("abc", (String)initCtx.lookup("java:comp/env/poubelle"));

            //check binding References
            StringRefAddr addr = new StringRefAddr("blah", "myReferenceable");
            Reference ref = new Reference (java.lang.String.class.getName(),
                    addr,
                    MyObjectFactory.class.getName(),
                    (String)null);

            initCtx.bind ("java:comp/env/quatsch", ref);
            assertEquals (MyObjectFactory.myString, (String)initCtx.lookup("java:comp/env/quatsch"));

            //test binding something at java:
            Context sub3 = initCtx.createSubcontext("java:zero");
            initCtx.bind ("java:zero/one", "ONE");
            assertEquals ("ONE", initCtx.lookup("java:zero/one"));




            //change the current thread's classloader to check distinct naming                                             
            currentThread.setContextClassLoader(childLoader2);

            Context otherSub1 = (Context)initCtx.lookup("java:comp");
            assertTrue (!(sub1 == otherSub1));
            try
            {
                initCtx.lookup("java:comp/env/rubbish");
            }
            catch (NameNotFoundException e)
            {
                //expected
            }


            //put the thread's classloader back
            currentThread.setContextClassLoader(childLoader1);

            //test rebind with existing binding
            initCtx.rebind("java:comp/env/rubbish", "xyz");
            assertEquals ("xyz", initCtx.lookup("java:comp/env/rubbish"));

            //test rebind with no existing binding
            initCtx.rebind ("java:comp/env/mullheim", "hij");
            assertEquals ("hij", initCtx.lookup("java:comp/env/mullheim"));

            //test that the other bindings are already there      
            assertEquals ("xyz", (String)initCtx.lookup("java:comp/env/poubelle"));

            //test java:/comp/env/stuff
            assertEquals ("xyz", (String)initCtx.lookup("java:/comp/env/poubelle/"));

            //test list Names
            NamingEnumeration nenum = initCtx.list ("java:comp/env");
            HashMap results = new HashMap();
            while (nenum.hasMore())
            {
                NameClassPair ncp = (NameClassPair)nenum.next();
                results.put (ncp.getName(), ncp.getClassName());
            }

            assertEquals (4, results.size());

            assertEquals ("java.lang.String", (String)results.get("rubbish"));
            assertEquals ("javax.naming.LinkRef", (String)results.get("poubelle"));
            assertEquals ("java.lang.String", (String)results.get("mullheim"));
            assertEquals ("javax.naming.Reference", (String)results.get("quatsch"));

            //test list Bindings
            NamingEnumeration benum = initCtx.list("java:comp/env");
            assertEquals (4, results.size());

            //test NameInNamespace
            assertEquals ("comp/env", sub2.getNameInNamespace());

            //test close does nothing
            Context closeCtx = (Context)initCtx.lookup("java:comp/env");
            closeCtx.close();


            //test what happens when you close an initial context
            InitialContext closeInit = new InitialContext();
            closeInit.close();



            //check locking the context
            Context ectx = (Context)initCtx.lookup("java:comp");
            ectx.bind("crud", "xxx");
            ectx.addToEnvironment("org.mortbay.jndi.immutable", "TRUE");
            assertEquals ("xxx", (String)initCtx.lookup("java:comp/crud"));
            try
            {
                ectx.bind("crud2", "xxx2");
            }
            catch (NamingException ne)
            {
                //expected failure to modify immutable context
            }

            //test what happens when you close an initial context that was used
            initCtx.close();  
        }
        finally
        {
            InitialContext ic = new InitialContext();
            Context comp = (Context)ic.lookup("java:comp");
            comp.destroySubcontext("env");
        }
    }

}
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