Examples of org.apache.tapestry5.Binding

org.apache.tapestry5.Binding
A binding is a connection between a component and its container (another component), that allows the embedded component to gain access to resources defined by the container. Resources can represent any kind of value that can be obtained from the parent component, but is often a JavaBean property that can be read and updated. Different implementations of Binding are used to access different kinds of resources of the container.
A binding ultimately must provide access to the underlying annotations. In most cases, there are no annotations, but bindings that ultimate invoke methods or read and update fields must provide access to those annotations.

        // Meta default of literal for the template.


        String defaultBindingPrefix = determineDefaultBindingPrefix(component, name,
                                                                    BindingConstants.LITERAL);


        Binding binding = findBinding(loadingElement, component, name, token.getValue(), defaultBindingPrefix,
                                      token.getLocation());


        if (binding != null)
        {
            component.bindParameter(name, binding);

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            String value = model.getParameterValue(name);


            String defaultBindingPrefix = determineDefaultBindingPrefix(newComponent, name,
                                                                        BindingConstants.PROP);


            Binding binding = findBinding(loadingComponent, newComponent, name, value, defaultBindingPrefix,
                                          newComponent.getLocation());


            if (binding != null)
            {
                newComponent.bindParameter(name, binding);

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            Map<String, Binding> loadingComponentBindingMap = componentIdToBindingMap
                    .get(loadingComponent.getCompleteId());


            // This may return null if the parameter is not bound in the loading component.


            Binding existing = loadingComponentBindingMap.get(loadingParameterName);


            if (existing == null) return null;


            String description = String.format("InheritedBinding[parameter %s %s(inherited from %s of %s)]", name,
                                               component.getCompleteId(), loadingParameterName,

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    private void parameter(ParameterToken token)
    {
        BlockImpl block = new BlockImpl(token.getLocation());
        String name = token.getName();


        Binding binding = new LiteralBinding("block parameter " + name, block, token.getLocation());


        // TODO: Check that the t:parameter doesn't appear outside of an embedded component.


        activeElementStack.peek().bindParameter(name, binding);

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        for (String name : informals.keySet())
        {
            if (newComponentModel.getParameterModel(name) != null) continue;


            Binding binding = informals.get(name);


            newComponent.bindParameter(name, binding);
            newComponentBindings.put(name, binding);
        }
    }

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    {
        if (value == null) return;


        if (value instanceof Binding)
        {
            Binding binding = (Binding) value;


            resources.bindParameter(parameterName, binding);
            return;
        }

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    public void parameter_is_bound()
    {
        Page page = newPage(PAGE_NAME);
        Component component = mockComponent();
        ComponentModel model = mockComponentModel();
        Binding binding = mockBinding();
        Logger logger = mockLogger();
        Logger eventLogger = mockLogger();
        PageResources pr = mockPageResources(logger, eventLogger);


        Instantiator ins = mockInstantiator(component, model);

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    public void verify_required_parameters_all_are_bound()
    {
        Page page = newPage(PAGE_NAME);
        Component component = mockComponent();
        ComponentModel model = mockComponentModel();
        Binding binding = mockBinding();
        ParameterModel pmodel = mockParameterModel();
        Logger logger = mockLogger();
        Logger eventLogger = mockLogger();
        PageResources pr = mockPageResources(logger, eventLogger);

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        Page page = newPage(PAGE_NAME);
        Component component = mockComponent();
        ComponentModel model = mockComponentModel();
        ComponentModel mixinModel = mockComponentModel();
        Component mixin = mockComponent();
        Binding binding = mockBinding();
        Logger logger = mockLogger();
        Logger eventLogger = mockLogger();
        PageResources pr = mockPageResources(logger, eventLogger);


        train_getLogger(model, logger);

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        {
            public String map(DynamicDelegate delegate)
            {
                try
                {
                    Binding binding = bindingSource.newBinding("dynamic template binding", delegate
                            .getComponentResources().getContainerResources(), delegate.getComponentResources(),
                            BindingConstants.PROP, expression, location);


                    Object boundValue = binding.get();


                    return boundValue == null ? null : boundValue.toString();
                }
                catch (Throwable t)
                {

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