Examples of org.apache.commons.chain.Command.execute()

org.apache.commons.chain.Command.execute()

Execute a unit of processing work to be performed. This {@link Command} may either complete the required processingand return true, or delegate remaining processing to the next {@link Command} in a {@link Chain} containing this{@link Command} by returning false @param context The {@link Context} to be processed by this{@link Command} @exception Exception general purpose exception returnto indicate abnormal termination @exception IllegalArgumentException if contextis null @return true if the processing of this {@link Context}has been completed, or false if the processing of this {@link Context} should be delegated to a subsequent{@link Command} in an enclosing {@link Chain}

           clayContext.setChild(child);
           clayContext.setAttribute(attr);
           clayContext.setDisplayElement(displayElement);
           clayContext.setSymbols(displayElement.getSymbols());
           
           isFinal = command.execute(clayContext);
           assertEquals("command finished", true, isFinal);       
           assertEquals("value = 10", "10", child.getValue());


           
           // test a symbol value with a null value symbol replacement

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           clayContext.setChild(child);
           clayContext.setAttribute(attr);
           clayContext.setDisplayElement(displayElement);
           clayContext.setSymbols(displayElement.getSymbols());
           
           isFinal = command.execute(clayContext);
           assertEquals("command finished", true, isFinal);       
           assertEquals("value = null", null, child.getValue());




           // test a symbol value with an empty String value.

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           clayContext.setChild(child);
           clayContext.setAttribute(attr);
           clayContext.setDisplayElement(displayElement);
           clayContext.setSymbols(displayElement.getSymbols());
           
           isFinal = command.execute(clayContext);
           assertEquals("command finished", true, isFinal);       
           assertEquals("value = null", null, child.getValue());


           //no symbol replacement for a empty string - should return
           //an empty string.  This allows components like the selectItem

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           clayContext.setFacesContext(facesContext);
           clayContext.setChild(child);
           clayContext.setAttribute(attr);
           clayContext.setDisplayElement(displayElement);
           
           isFinal = command.execute(clayContext);
           assertEquals("command finished", true, isFinal);       
           assertEquals("value = \"\"", "", child.getValue());


           //Case insensitive and reoccurring replacement
           attr.setValue("@TeSt1, @tEst1 never @test2; @test1, @teSt1 till ya @tesT3");  //test multiple symbols

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           clayContext.setAttribute(attr);
           clayContext.setDisplayElement(displayElement);
           // normally done in the AssignChildrenCommand
           clayContext.setSymbols(displayElement.getSymbols());
           
           isFinal = command.execute(clayContext);
           assertEquals("command finished", true, isFinal);       
           assertEquals("value = \"rock, rock never stop; rock, rock till ya drop\"", 
                   "rock, rock never stop; rock, rock till ya drop", child.getValue());


    }

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        clayContext.setDisplayElement(displayElement);
        clayContext.setSymbols(displayElement.getSymbols());
        clayContext.setJspIds(new TreeSet());
                
        Command command = new CreateComponentCommand();
        boolean isFinal = command.execute(clayContext);
        assertEquals("command finished", false, isFinal);
        
        UIComponent child = (UIComponent) clayContext.getChild();
        assertNotNull("child", child);

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        clayContext.setSymbols(displayElement.getSymbols());
        clayContext.setJspIds(new TreeSet());
                
        command = new CreateComponentCommand();
        try {
            isFinal = command.execute(clayContext);
            assertTrue("id replacement failed", false);
        } catch (RuntimeException e) {
            assertTrue("null component id", 
                    e.getMessage().startsWith("The component symbol substitution failed for id \"@wynn\""));    
        }

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        clayContext.setSymbols(displayElement.getSymbols());
        clayContext.setJspIds(new TreeSet());
                
        command = new CreateComponentCommand();
        try {
            isFinal = command.execute(clayContext);
            assertTrue("id replacement failed", false);
        } catch (RuntimeException e) {
            assertTrue("missing component id", 
                    e.getMessage().startsWith("The component symbol substitution failed for id \"@wynn\""));    
        }

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        clayContext.setDisplayElement(displayElement);
        // normally done in the AssignChildrenCommand
        clayContext.setSymbols(displayElement.getSymbols());
                
        Command command = new PropertyValueCommand();
        boolean isFinal = command.execute(clayContext);
        assertEquals("command finished", true, isFinal);       
        assertEquals("value = 6743", "6743", child.getValue());      


    
        //create a target component

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        displayElement.addSymbol(createSymbol("@{ab}", "43"));
        displayElement.addSymbol(createSymbol("@{a}", "67"));


        clayContext.setChild(child);


        isFinal = command.execute(clayContext);
        assertEquals("command finished", true, isFinal);       
        assertEquals("value = 6743", "6743", child.getValue());

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