Examples of org.apache.commons.chain.Context

org.apache.commons.chain.Context

A {@link Context} represents the state information that isaccessed and manipulated by the execution of a {@link Command} or a{@link Chain}. Specialized implementations of {@link Context} willtypically add JavaBeans properties that contain typesafe accessors to information that is relevant to a particular use case for this context, and/or add operations that affect the state information that is saved in the context.

Implementations of {@link Context} must also implement all of therequired and optional contracts of the java.util.Map interface.

It is strongly recommended, but not required, that JavaBeans properties added to a particular {@link Context} implementation exhibitAttribute-Property Transparency. In other words, a value stored via a call to setFoo(value) should be visible by calling get("foo"), and a value stored via a call to put("foo", value) should be visible by calling getFoo(). If your {@link Context}implementation class exhibits this featue, it becomes easier to reuse the implementation in multiple environments, without the need to cast to a particular implementation class in order to access the property getter and setter methods.

To protect applications from evolution of this interface, specialized implementations of {@link Context} should generally be created by extendingthe provided base class ( {@link org.apache.commons.chain.impl.ContextBase}) rather than directly implementing this interface.

Applications should NOT assume that {@link Context} implementations, or the values stored in itsattributes, may be accessed from multiple threads simultaneously unless this is explicitly documented for a particular implementation.
@author Craig R. McClanahan @version $Revision: 1.6 $ $Date: 2004/02/25 00:01:07 $

            logger.setLevel(Level.WARN);


            String uri = command.getOptionValue("cli");
            Repository repository = JcrUtils.getRepository(uri);


            Context context = new ContextBase();
            CommandHelper.setRepository(context, repository, uri);
            try {
                Session session = repository.login();
                CommandHelper.setSession(context, session);
                CommandHelper.setCurrentNode(context, session.getRootNode());

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    protected void tearDown() {
    }


    public void testSame() throws Exception {
        WrappingLookupCommand command = new WrappingLookupCommand();
        Context testContext = new ContextBase();


        Context wrapped = command.getContext(testContext);


        assertNotNull(wrapped);
        assertSame(testContext, wrapped);
    }

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        throws Exception {
        WrappingLookupCommand command = new WrappingLookupCommand();


        command.setWrapperClassName(ServletActionContext.class.getName());


        Context testContext = new ServletWebContext();


        Context wrapped = command.getContext(testContext);


        assertNotNull(wrapped);
        assertTrue(wrapped instanceof ServletActionContext);
    }

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        // Compare to self
        assertTrue(context.equals(context));
        assertTrue(context.hashCode() == context.hashCode());


        // Compare to equivalent instance
        Context other = createContext();
        assertTrue(context.equals(other));
        assertTrue(context.hashCode() == other.hashCode());


        // Compare to non-equivalent instance - other modified
        other.put("bop", "bop value");
        assertTrue(!context.equals(other));
        assertTrue(context.hashCode() != other.hashCode());


        // Compare to non-equivalent instance - self modified
        other = createContext(); // reset to equivalence
        context.put("bop", "bop value");
        assertTrue(!context.equals(other));
        assertTrue(context.hashCode() != other.hashCode());


    }

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        // Compare to self
        assertTrue(context.equals(context));
        assertTrue(context.hashCode() == context.hashCode());


        // Compare to equivalent instance
        Context other = new ServletWebContext(scontext, request, response);
        // assertTrue(context.equals(other));
        assertTrue(context.hashCode() == other.hashCode());


        // Compare to non-equivalent instance - other modified
        other.put("bop", "bop value");
        // assertTrue(!context.equals(other));
        assertTrue(context.hashCode() != other.hashCode());


        // Compare to non-equivalent instance - self modified
        other = new ServletWebContext(scontext, request, response);
        context.put("bop", "bop value");
        // assertTrue(!context.equals(other));
        assertTrue(context.hashCode() != other.hashCode());


    }

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        // Compare to self
        assertTrue(context.equals(context));
        assertTrue(context.hashCode() == context.hashCode());


        // Compare to equivalent instance
        Context other = new ServletWebContext(scontext, request, response);
        // assertTrue(context.equals(other));
        assertTrue(context.hashCode() == other.hashCode());


        // Compare to non-equivalent instance - other modified
        other.put("bop", "bop value");
        // assertTrue(!context.equals(other));
        assertTrue(context.hashCode() != other.hashCode());


        // Compare to non-equivalent instance - self modified
        other = new ServletWebContext(scontext, request, response);
        context.put("bop", "bop value");
        // assertTrue(!context.equals(other));
        assertTrue(context.hashCode() != other.hashCode());


    }

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        // Compare to self
        assertTrue(context.equals(context));
        assertTrue(context.hashCode() == context.hashCode());


        // Compare to equivalent instance
        Context other = createContext();
        assertTrue(context.equals(other));
        assertTrue(context.hashCode() == other.hashCode());


        // Compare to non-equivalent instance - other modified
        other.put("bop", "bop value");
        assertTrue(!context.equals(other));
        assertTrue(context.hashCode() != other.hashCode());


        // Compare to non-equivalent instance - self modified
        other = createContext(); // reset to equivalence
        context.put("bop", "bop value");
        assertTrue(!context.equals(other));
        assertTrue(context.hashCode() != other.hashCode());


    }

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    public void testMethodDispatch() throws Exception {
        TestCommand test = new TestCommand();


        test.setMethod("testMethod");
        Context context = new ContextBase();
        assertNull(context.get("foo"));
        boolean result = test.execute(context);
        assertTrue(result);
        assertNotNull(context.get("foo"));
        assertEquals("foo", context.get("foo"));




    }

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        // Compare to self
        assertTrue(context.equals(context));
        assertTrue(context.hashCode() == context.hashCode());


        // Compare to equivalent instance
        Context other = new PortletWebContext(pcontext, request, response);
        // assertTrue(context.equals(other));
        assertTrue(context.hashCode() == other.hashCode());


        // Compare to non-equivalent instance - other modified
        other.put("bop", "bop value");
        // assertTrue(!context.equals(other));
        assertTrue(context.hashCode() != other.hashCode());


        // Compare to non-equivalent instance - self modified
        other = new PortletWebContext(pcontext, request, response);
        context.put("bop", "bop value");
        // assertTrue(!context.equals(other));
        assertTrue(context.hashCode() != other.hashCode());


    }

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    public void testMethodKeyDispatch() throws Exception {
        TestCommand test = new TestCommand();


        test.setMethodKey("foo");
        Context context = new ContextBase();
        context.put("foo", "testMethodKey");
        assertNull(context.get("bar"));
        boolean result = test.execute(context);
        assertFalse(result);
        assertNotNull(context.get("bar"));
        assertEquals("bar", context.get("bar"));




    }

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Related Classes of org.apache.commons.chain.Context

org.apache.commons.chain.generic.DispatchCommandTestCase

org.apache.commons.chain.impl.ContextBaseTestCase

org.apache.commons.chain.web.portlet.PortletWebContextTestCase

org.apache.commons.chain.web.servlet.ServletWebContextTestCase

org.apache.jackrabbit.standalone.Main

org.apache.shale.remoting.impl.ChainProcessorTestCase

org.apache.struts.chain.commands.generic.TestWrappingLookupCommand

org.apache.struts.chain.legacy.ChainAction

org.apache.struts.chain.legacy.DispatchAction

org.exoplatform.services.command.CommandServiceTest

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