Examples of org.apache.shale.clay.component.chain.ClayContext

Package org.apache.shale.clay.component.chain

Examples of org.apache.shale.clay.component.chain.ClayContext

org.apache.shale.clay.component.chain.ClayContext

This context is passed to all the commands in this package used to create the sub component tree for the clay component. The use of the context object promotes a reusable logic fragments that are loosely coupled and kind of snap togather.

            // this callback will give a hook to override
            // or alter the root display element by
            // using the getter and setter for the displayElementRoot
            if (this.getShapeValidator() != null) {


                ClayContext clayContext = new ClayContext();


                Map symbolTable = new TreeMap();
                symbolTable.putAll(getSymbols());
                clayContext.setSymbols(symbolTable);
                //evaluate nested symbols
                AbstractCommand.realizeSymbols(clayContext);


                //resolve the literal "@managed-bean-name"
                String expr = AbstractCommand.replaceMnemonic(clayContext, getShapeValidator());
                Class[] methodSignature = {
                        javax.faces.context.FacesContext.class,
                        javax.faces.component.UIComponent.class,
                        java.lang.Object.class };


                MethodBinding binding = getFacesContext().getApplication()
                    .createMethodBinding(expr, methodSignature);


                if (log.isDebugEnabled()) {
                    log
                    .debug(messages
                            .getMessage("clay.invoke.shapeValidator"));
                }


                Object[] args = { context, this, displayElementRoot };
                binding.invoke(context, args);


            }
        }


        // Recursively build the subtree and fixup references. The root
        // of the subview will be assigned to the child private property.


        ClayContext clayContext = new ClayContext();
        clayContext.setChild(null);
        clayContext.setDisplayElement(getDisplayElementRoot());
        clayContext.setJsfid(getJsfid());
        clayContext.setFacesContext(getFacesContext());
        clayContext.setJspIds(new TreeSet());


        Map symbolTable = new TreeMap();
        symbolTable.putAll(getDisplayElementRoot().getSymbols());
        symbolTable.putAll(getSymbols());
        clayContext.setSymbols(symbolTable);


        //evaluate nested symbols
        AbstractCommand.realizeSymbols(clayContext);


        clayContext.setRootElement(getDisplayElementRoot());
        clayContext.setParent(this);


        Catalog catalog = null;
        try {
            catalog = getCatalog();
        } catch (Exception e) {

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    public void testNestedSymbolReplacement() {
        
        
        Map symbols = new TreeMap();
        
        ClayContext clayContext = new ClayContext();
        clayContext.setFacesContext(facesContext);
        clayContext.setSymbols(symbols);
        
        SymbolBean symbol = this.createSymbol("@a", "@b");
        symbols.put(symbol.getName(), symbol);
        
        symbol = this.createSymbol("@b", "@c");

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       displayElement.setId("testId");
       displayElement.addAttribute(attr);
       
       assertNotNull("attribute case insensitive", displayElement.getAttribute("VaLue"));
       
       ClayContext clayContext = new ClayContext();
       clayContext.setFacesContext(facesContext);
       clayContext.setChild(child);
       clayContext.setAttribute(attr);
       clayContext.setDisplayElement(displayElement);
              
       Command command = new PropertyValueCommand();
       boolean isFinal = command.execute(clayContext);
       assertEquals("command finished", true, isFinal);       
       assertEquals("value = 10", child.getValue(), "10");


       
       child = (javax.faces.component.html.HtmlOutputText) 
                               facesContext.getApplication().createComponent("javax.faces.HtmlOutputText"); 
       assertNotNull("javax.faces.HtmlOutputText", child);
       clayContext.setChild(child);
       
       servletContext.setAttribute("goodYear", "1969");
       attr.setBindingType(AttributeBean.BINDING_TYPE_VALUE);
       attr.setValue("#{goodYear}");


       isFinal = command.execute(clayContext);
       assertEquals("command finished", true, isFinal);       
       assertEquals("value = 1969", "1969", child.getValue());
       
       child = (javax.faces.component.html.HtmlOutputText) 
                             facesContext.getApplication().createComponent("javax.faces.HtmlOutputText"); 
       assertNotNull("javax.faces.HtmlOutputText", child);
       clayContext.setChild(child);
       
       servletContext.setAttribute("ping", "pong");
       attr.setBindingType(AttributeBean.BINDING_TYPE_EARLY);
       attr.setValue("#{ping}");


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




       child = (javax.faces.component.html.HtmlOutputText) 
                               facesContext.getApplication().createComponent("javax.faces.HtmlOutputText"); 
       assertNotNull("javax.faces.HtmlOutputText", child);
       clayContext.setChild(child);
       
       attr.setBindingType(AttributeBean.BINDING_TYPE_NONE);
       attr.setValue("#{forManfred}");


       isFinal = command.execute(clayContext);

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           displayElement.setComponentType("javax.faces.HtmlOutputText");
           displayElement.setId("testId");
           displayElement.addAttribute(attr);
           displayElement.addSymbol(createSymbol("@value", "10"));
                      
           ClayContext clayContext = new ClayContext();
           clayContext.setFacesContext(facesContext);
           clayContext.setChild(child);
           clayContext.setAttribute(attr);
           clayContext.setDisplayElement(displayElement);
           clayContext.setSymbols(displayElement.getSymbols());
           
           Command command = new PropertyValueCommand();
           boolean isFinal = command.execute(clayContext);
           assertEquals("command finished", true, isFinal);       
           assertEquals("value = 10", "10", child.getValue());


           
           // test a symbol value of an el value
           child = (javax.faces.component.html.HtmlOutputText) 
                        facesContext.getApplication().createComponent("javax.faces.HtmlOutputText"); 
           assertNotNull("javax.faces.HtmlOutputText", child);


           displayElement.addSymbol(createSymbol("@value", "#{value}"));
           attr.setBindingType(AttributeBean.BINDING_TYPE_EARLY);
           servletContext.setAttribute("value", "10");
          
           clayContext.setFacesContext(facesContext);
           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
           child = (javax.faces.component.html.HtmlOutputText) 
                 facesContext.getApplication().createComponent("javax.faces.HtmlOutputText"); 
           assertNotNull("javax.faces.HtmlOutputText", child);


           displayElement.addSymbol(createSymbol("@value", null));
           attr.setBindingType(AttributeBean.BINDING_TYPE_EARLY);
          
           clayContext.setFacesContext(facesContext);
           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.  
           // this will evaluate to null since it is a symbol replacement.
           child = (javax.faces.component.html.HtmlOutputText) 
                     facesContext.getApplication().createComponent("javax.faces.HtmlOutputText"); 
           assertNotNull("javax.faces.HtmlOutputText", child);


           displayElement.addSymbol(createSymbol("@value", ""));
           attr.setBindingType(AttributeBean.BINDING_TYPE_EARLY);
          
           clayContext.setFacesContext(facesContext);
           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
           //to create an empty select list pick.
           attr.setValue("");  //empty string           
           child = (javax.faces.component.html.HtmlOutputText) 
                        facesContext.getApplication().createComponent("javax.faces.HtmlOutputText"); 
           assertNotNull("javax.faces.HtmlOutputText", child);


           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           
           child = (javax.faces.component.html.HtmlOutputText) 
                     facesContext.getApplication().createComponent("javax.faces.HtmlOutputText"); 
           assertNotNull("javax.faces.HtmlOutputText", child);


           displayElement.addSymbol(createSymbol("@test1", "rock"));
           displayElement.addSymbol(createSymbol("@test2", "stop"));
           displayElement.addSymbol(createSymbol("@test3", "drop"));


           clayContext.setFacesContext(facesContext);
           clayContext.setChild(child);
           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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        displayElement.setJsfid("inputText");
        displayElement.setComponentType("javax.faces.HtmlOutputText");
        displayElement.setId("@wynn");
        displayElement.addSymbol(createSymbol("@wynn", "test"));
        
        ClayContext clayContext = new ClayContext();
        clayContext.setFacesContext(facesContext);
        clayContext.setParent(parent);
        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);
        
        assertEquals("id = test", "test", child.getId());
        
        
        //null component id symbol replacement
        parent = (UIComponent) 
             facesContext.getApplication().createComponent("javax.faces.NamingContainer"); 
        assertNotNull("javax.faces.NamingContainer", parent);
        parent.setId("parent");
        
        displayElement = new ComponentBean();
        displayElement.setJsfid("inputText");
        displayElement.setComponentType("javax.faces.HtmlOutputText");
        displayElement.setId("@wynn");
        displayElement.addSymbol(createSymbol("@wynn", null));
        
        clayContext = new ClayContext();
        clayContext.setFacesContext(facesContext);
        clayContext.setParent(parent);
        clayContext.setDisplayElement(displayElement);
        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\""));    
        }
        
        //missing component id symbol replacement
        parent = (UIComponent) 
             facesContext.getApplication().createComponent("javax.faces.NamingContainer"); 
        assertNotNull("javax.faces.NamingContainer", parent);
        parent.setId("parent");
        
        displayElement = new ComponentBean();
        displayElement.setJsfid("inputText");
        displayElement.setComponentType("javax.faces.HtmlOutputText");
        displayElement.setId("@wynn");
        
        clayContext = new ClayContext();
        clayContext.setFacesContext(facesContext);
        clayContext.setParent(parent);
        clayContext.setDisplayElement(displayElement);
        clayContext.setSymbols(displayElement.getSymbols());
        clayContext.setJspIds(new TreeSet());
                
        command = new CreateComponentCommand();
        try {
            isFinal = command.execute(clayContext);
            assertTrue("id replacement failed", false);

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        displayElement.setId("testId");
        displayElement.addAttribute(attr);
        displayElement.addSymbol(createSymbol("@[ab]", "43"));
        displayElement.addSymbol(createSymbol("@[a]", "67"));
             
        ClayContext clayContext = new ClayContext();
        clayContext.setFacesContext(facesContext);
        clayContext.setChild(child);
        clayContext.setAttribute(attr);
        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
        child = (javax.faces.component.html.HtmlOutputText) 
                           facesContext.getApplication().createComponent("javax.faces.HtmlOutputText"); 
        assertNotNull("javax.faces.HtmlOutputText", child);


        attr.setValue("@{a}@{ab}");  //symbolic attribute 
        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());      




        
        //create a target component
        child = (javax.faces.component.html.HtmlOutputText) 
                           facesContext.getApplication().createComponent("javax.faces.HtmlOutputText"); 
        assertNotNull("javax.faces.HtmlOutputText", child);


        attr.setValue("@(a)@(ab)");  //symbolic attribute 
        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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Related Classes of org.apache.shale.clay.component.chain.ClayContext

org.apache.shale.clay.component.Clay

org.apache.shale.clay.config.SymbolsTestCase

java.util.TreeMap

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