Examples of com.opensymphony.xwork2.inject.Container

com.opensymphony.xwork2.inject.Container
ct the int constant named "i". @Inject("i") int i; // Inject the default implementation of Bar and the String constant // named "s". @Inject Foo(Bar bar, @Inject("s") String s) { ... } // Inject the default implementation of Baz and the Bob implementation // named "foo". @Inject void initialize(Baz baz, @Inject("foo") Bob bob) { ... } // Inject the default implementation of Tee. @Inject void setTee(Tee tee) { ... } }
To create and inject an instance of {@code Foo}:
```
 Container c = ...; Foo foo = c.inject(Foo.class); 
```
@see ContainerBuilder @author crazybob@google.com (Bob Lee)


        // Initialize ActionContext
        ConfigurationManager configurationManager = new ConfigurationManager();
        configurationManager.addContainerProvider(new XWorkConfigurationProvider());
        Configuration config = configurationManager.getConfiguration();
        Container container = config.getContainer();


        ValueStack stack = container.getInstance(ValueStackFactory.class).createValueStack();
        stack.getContext().put(ActionContext.CONTAINER, container);
        ActionContext.setContext(new ActionContext(stack.getContext()));


        ActionContext.getContext().setSession(new HashMap<String, Object>());

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        StringBuilder link = new StringBuilder();


        boolean changedScheme = false;


        // FIXME: temporary hack until class is made a properly injected bean
        Container cont = ActionContext.getContext().getContainer();
        int httpPort = Integer.parseInt(cont.getInstance(String.class, StrutsConstants.STRUTS_URL_HTTP_PORT));
        int httpsPort = Integer.parseInt(cont.getInstance(String.class, StrutsConstants.STRUTS_URL_HTTPS_PORT));


        // only append scheme if it is different to the current scheme *OR*
        // if we explicity want it to be appended by having forceAddSchemeHostAndPort = true
        if (forceAddSchemeHostAndPort) {
            String reqScheme = request.getScheme();

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          HttpServletRequest request,
          HttpServletResponse response,
          ServletContext servletContext) throws Exception
    {
        // BEGIN: Change for Struts 2.1.6
        Container container = dispatcher.getContainer();
        ValueStack stack = container.getInstance(ValueStackFactory.class).createValueStack();
        ActionContext.setContext(new ActionContext(stack.getContext()));
        // END: Change for Struts 2.1.6


        ServletActionContext.setRequest(request);
        ServletActionContext.setResponse(response);

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            portletNamespace = "";
        }
        LocalizedTextUtil
                .addDefaultResourceBundle("org/apache/struts2/struts-messages");


        Container container = dispatcherUtils.getContainer();
        //check for configuration reloading
        if ("true".equalsIgnoreCase(container.getInstance(String.class, StrutsConstants.STRUTS_CONFIGURATION_XML_RELOAD))) {
            FileManager.setReloadingConfigs(true);
        }
        
        actionMapper = container.getInstance(ActionMapper.class);
    }

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    }


    private Object readResolve() {
        // TODO: this should be done better
        ActionContext ac = ActionContext.getContext();
        Container cont = ac.getContainer();
        XWorkConverter xworkConverter = cont.getInstance(XWorkConverter.class);
        CompoundRootAccessor accessor = (CompoundRootAccessor) cont.getInstance(PropertyAccessor.class, CompoundRoot.class.getName());
        TextProvider prov = cont.getInstance(TextProvider.class, "system");
        boolean allow = "true".equals(cont.getInstance(String.class, "allowStaticMethodAccess"));
        OgnlValueStack aStack = new OgnlValueStack(xworkConverter, accessor, prov, allow);
        aStack.setOgnlUtil(cont.getInstance(OgnlUtil.class));
        aStack.setRoot(xworkConverter, accessor, this.root, allow);


        return aStack;
    }

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        // given
        Dispatcher du = initDispatcher(new HashMap<String, String>() {{
            put(StrutsConstants.STRUTS_I18N_ENCODING, "utf-8");
            put(StrutsConstants.STRUTS_MAPPER_COMPOSITE, "struts,restful");
        }});
        Container container = du.getContainer();


        // when
        ActionMapper instance = container.getInstance(ActionMapper.class, "composite");


        // then
        assertNotNull(instance);
    }

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    public void testCompositeActionMapperInstantiationWithoutList() throws Exception {
        // given
        Dispatcher du = initDispatcher(new HashMap<String, String>() {{
            put(StrutsConstants.STRUTS_I18N_ENCODING, "utf-8");
        }});
        Container container = du.getContainer();


        // when
        try {
            container.getInstance(ActionMapper.class, "composite");
            fail();
        }catch (Exception e) {
            // then
            // You cannot use CompositeActionMapper without defined list of "struts.mapper.composite"
            assertTrue(e.getMessage().contains("No mapping found for dependency [type=java.lang.String, name='struts.mapper.composite']"));

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        // get the bean
        ValueStack stack = (ValueStack) ctx.get("stack");
        HttpServletRequest req = (HttpServletRequest) stack.getContext().get(ServletActionContext.HTTP_REQUEST);
        HttpServletResponse res = (HttpServletResponse) stack.getContext().get(ServletActionContext.HTTP_RESPONSE);
        Component bean = getBean(stack, req, res);
        Container container = (Container) stack.getContext().get(ActionContext.CONTAINER);
        container.inject(bean);
        // get the parameters
        Map params = createPropertyMap(ctx, node);
        bean.copyParams(params);
        //bean.addAllParameters(params);
        bean.start(writer);

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        loadedFileNames.clear();
        List<PackageProvider> packageProviders = new ArrayList<PackageProvider>();


        ContainerProperties props = new ContainerProperties();
        ContainerBuilder builder = new ContainerBuilder();
        Container bootstrap = createBootstrapContainer(providers);
        for (final ContainerProvider containerProvider : providers)
        {
            bootstrap.inject(containerProvider);
            containerProvider.init(this);
            containerProvider.register(builder, props);
        }
        props.setConstants(builder);

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    }


    public Writer getWriter(Writer writer, Map params)
        throws TemplateModelException, IOException {
        Component bean = getBean();
        Container container = (Container) stack.getContext().get(ActionContext.CONTAINER);
        container.inject(bean);


        Map unwrappedParameters = unwrapParameters(params);
        bean.copyParams(unwrappedParameters);


        return new CallbackWriter(bean, writer);

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