Examples of javax.naming.Context.addToEnvironment()

javax.naming.Context.addToEnvironment()
Adds or replaces the environment property specified by the non-null string parameter into the environment of this context with the specified object value. Returns the previous property value if replaced, or null if the property did not exist in the environment. @param s the name of the property to add @param o the value of the property to add @return the previous property value if replaced, or null if theproperty did not exist in the environment. @throws NamingException if an error occurs.

    public void modifyEnvironment(){
        try {
            Context initCtx = new InitialContext();
            Context myEnv = (Context) initCtx.lookup("java:comp/env");


            myEnv.addToEnvironment("flt00", new Float(INJECTED_FLOAT));
            myEnv.removeFromEnvironment("flt00");


        } catch (NamingException e) {
            throw new IllegalStateException("The context could not be obtained.");
        }

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    public Object addToEnvironment(String propName, Object propVal) throws NamingException {
        Context ctx = getDefaultContext();


        if (ctx != null) {
            ctx.addToEnvironment(propName, propVal);
        }
        
        return env.put(propName, propVal);
    }

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        if (toReturn != null) {
            String packages = Utils.getSystemProperty(Context.URL_PKG_PREFIXES, null);


            if (packages != null) {
                toReturn.addToEnvironment(Context.URL_PKG_PREFIXES, packages);
            }
        }


        return toReturn;
    }

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            //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");
            }

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    {
        Random random = new Random ();
        _key = new Integer(random.nextInt());
        Context context = new InitialContext();
        Context compCtx = (Context)context.lookup("java:comp");
        compCtx.addToEnvironment("org.mortbay.jndi.lock", _key);
    }
    
    protected void unlockCompEnv ()
    throws Exception
    {

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    {
        if (_key!=null)
        {
            Context context = new InitialContext();
            Context compCtx = (Context)context.lookup("java:comp");
            compCtx.addToEnvironment("org.mortbay.jndi.unlock", _key); 
        }
    }


    /** 
     * @see org.mortbay.jetty.plus.webapp.AbstractConfiguration#parseAnnotations()

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    public Object addToEnvironment(String propName, Object propVal) throws NamingException {
        Context ctx = getDefaultContext();


        if (ctx != null) {
            ctx.addToEnvironment(propName, propVal);
        }
        
        return env.put(propName, propVal);
    }

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          }
        }


        public void add(String name, Object obj) {
          try {
            namingContext.addToEnvironment(name, obj);
          } catch (NamingException nce) {
            throw new RuntimeException("Can't delegate naming context operation", nce);
          }
        }

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            PrintWriter out = resp.getWriter();


            try {
                Context ctx1 = new InitialContext();
                Context env1 = (Context) ctx1.lookup("java:comp/env");
                env1.addToEnvironment("TestName", EXPECTED);


                out.print(env1.getEnvironment().get("TestName"));


                try {
                    env1.close();

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    Context context3 = (Context) context2.lookup("");
    context3.rename("java:comp/env/jdbc/myds", "jdbc/myds");
    context3.unbind("myobject");


    assertTrue("Correct environment", context3.getEnvironment() != context2.getEnvironment());
    context3.addToEnvironment("key2", "value2");
    assertTrue("key2 added", "value2".equals(context3.getEnvironment().get("key2")));
    context3.removeFromEnvironment("key1");
    assertTrue("key1 removed", context3.getEnvironment().get("key1") == null);


    assertTrue("Correct DataSource registered", context1.lookup("jdbc/myds") == ds);

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