Examples of org.apache.struts2.components.ActionComponent

org.apache.struts2.dispatcher.ServletRedirectResult
This tag enables developers to call actions directly from a JSP page by specifying the action name and an optional namespace. The body content of the tag is used to render the results from the Action. Any result processor defined for this action in struts.xml will be ignored, unless the executeResult parameter is specified.
- id (String) - the id (if specified) to put the action under stack's context.
- name* (String) - name of the action to be executed (without the extension suffix eg. .action)
- namespace (String) - default to the namespace where this action tag is invoked
- executeResult (Boolean) - default is false. Decides whether the result of this action is to be executed or not
- ignoreContextParams (Boolean) - default to false. Decides whether the request parameters are to be included when the action is invoked
```
  public class ActionTagAction extends ActionSupport { public String execute() throws Exception { return "done"; } public String doDefault() throws Exception { ServletActionContext.getRequest().setAttribute("stringByAction", "This is a String put in by the action's doDefault()"); return "done"; } }  
```
```
   ....  success.jsp   success.jsp  ....   
```
```
  The following action tag will execute result and include it in this page
 
  
 The following action tag will do the same as above, but invokes method specialMethod in action
 
  
 The following action tag will not execute result, but put a String in request scope under an id "stringByAction" which will be retrieved using property tag
    
```

        ActionContext.getContext().getParameters().put("user", "Santa Claus");


        tag.doStartTag();


        // tag clear components on doEndTag, so we need to get it here
        ActionComponent component = (ActionComponent) tag.getComponent();


        tag.doEndTag();


        // check parameters, there should be one
        ActionInvocation ai = component.getProxy().getInvocation();
        ActionContext ac = ai.getInvocationContext();
        assertEquals(0, ac.getParameters().size());
    }

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        ((DefaultActionMapper)container.getInstance(ActionMapper.class)).setAllowDynamicMethodCalls("true");


        tag.doStartTag();


        // tag clear components on doEndTag
        ActionComponent component = (ActionComponent) tag.getComponent();


        tag.doEndTag();


        TestActionTagResult result = (TestActionTagResult) component.getProxy().getInvocation().getResult();


        assertTrue(stack.getContext().containsKey(ServletActionContext.PAGE_CONTEXT));
        assertTrue(stack.getContext().get(ServletActionContext.PAGE_CONTEXT)instanceof PageContext);
        assertTrue(result.isExecuted());
    }

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        // JAVASCRIPT ?
        if (action.startsWith("javascript:"))
            return action;


        // Init URL Provider
        UrlProvider urlProvider = new ComponentUrlProvider(this, parameters);
        urlProvider.setHttpServletRequest(request);
        urlProvider.setHttpServletResponse(response);
        urlProvider.setUrlRenderer(urlRenderer);
      urlProvider.setPortletUrlType(urlType);
        urlProvider.setAction(action);
        // render URL
        StringWriter sw = new StringWriter();
        urlRenderer.beforeRenderUrl(urlProvider);
        urlRenderer.renderUrl(sw, urlProvider);
        String url = sw.toString();

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        // JAVASCRIPT ?
        if (actionName.startsWith("javascript:"))
            return actionName;


        // Init URL Provider
        UrlProvider urlProvider = new ComponentUrlProvider(this, params);
        urlProvider.setHttpServletRequest(request);
        urlProvider.setHttpServletResponse(response);
        urlProvider.setUrlRenderer(urlRenderer);
      // urlProvider.setPortletUrlType(urlType);
        urlProvider.setAction(actionName);
        // render URL
        StringWriter sw = new StringWriter();
        urlRenderer.beforeRenderUrl(urlProvider);
        urlRenderer.renderUrl(sw, urlProvider);
        String url = sw.toString();

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        // JAVASCRIPT ?
        if (actionName.startsWith("javascript:"))
            return actionName;


        // Init URL Provider
        UrlProvider urlProvider = new ComponentUrlProvider(this, params);
        urlProvider.setHttpServletRequest(request);
        urlProvider.setHttpServletResponse(response);
        urlProvider.setUrlRenderer(urlRenderer);
      // urlProvider.setPortletUrlType(urlType);
        urlProvider.setAction(actionName);
        // render URL
        StringWriter sw = new StringWriter();
        urlRenderer.beforeRenderUrl(urlProvider);
        urlRenderer.renderUrl(sw, urlProvider);
        String url = sw.toString();

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        // JAVASCRIPT ?
        if (action.startsWith("javascript:"))
            return action;


        // Init URL Provider
        UrlProvider urlProvider = new ComponentUrlProvider(this, parameters);
        urlProvider.setHttpServletRequest(request);
        urlProvider.setHttpServletResponse(response);
        urlProvider.setUrlRenderer(urlRenderer);
      urlProvider.setPortletUrlType(urlType);
        urlProvider.setAction(action);
        // render URL
        StringWriter sw = new StringWriter();
        urlRenderer.beforeRenderUrl(urlProvider);
        urlRenderer.renderUrl(sw, urlProvider);
        String url = sw.toString();

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        // JAVASCRIPT ?
        if (actionName.startsWith("javascript:"))
            return actionName;


        // Init URL Provider
        UrlProvider urlProvider = new ComponentUrlProvider(this, params);
        urlProvider.setHttpServletRequest(request);
        urlProvider.setHttpServletResponse(response);
        urlProvider.setUrlRenderer(urlRenderer);
      // urlProvider.setPortletUrlType(urlType);
        urlProvider.setAction(actionName);
        // render URL
        StringWriter sw = new StringWriter();
        urlRenderer.beforeRenderUrl(urlProvider);
        urlRenderer.renderUrl(sw, urlProvider);
        String url = sw.toString();

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        // JAVASCRIPT ?
        if (actionName.startsWith("javascript:"))
            return actionName;


        // Init URL Provider
        UrlProvider urlProvider = new ComponentUrlProvider(this, params);
        urlProvider.setHttpServletRequest(request);
        urlProvider.setHttpServletResponse(response);
        urlProvider.setUrlRenderer(urlRenderer);
      // urlProvider.setPortletUrlType(urlType);
        urlProvider.setAction(actionName);
        // render URL
        StringWriter sw = new StringWriter();
        urlRenderer.beforeRenderUrl(urlProvider);
        urlRenderer.renderUrl(sw, urlProvider);
        String url = sw.toString();

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    buildCfg();
    // initDispatcher(null);
  }


  protected Dispatcher initDispatcher(Map<String, String> params) {
    Dispatcher du = StrutsTestCaseHelper.initDispatcher(new MockServletContext(), params);
    configurationManager = du.getConfigurationManager();
    configuration = configurationManager.getConfiguration();
    container = configuration.getContainer();
    return du;
  }

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          params.put("method", action.getMethod());
        }
        return buildResult(resultCode, resultTypeConfig, context, params);
      } else if (prefix.startsWith("redirect")) {
        String targetResource = StringUtils.substringAfter(resultCode, ":");
        if (StringUtils.contains(targetResource, ':')) { return new ServletRedirectResult(
            targetResource); }
        Action action = buildAction(targetResource);
        // add special param and ajax tag for redirect
        HttpServletRequest request = ServletActionContext.getRequest();
        String redirectParamStr = request.getParameter("params");
        action.params(redirectParamStr);
        // x-requested-with->XMLHttpRequest
        if (null != request.getHeader("x-requested-with")) {
          action.param("x-requested-with", "1");
        } 
        Map<String, String> params = buildResultParams(path, resultTypeConfig);
        if (null != action.getParams().get("method")) {
          params.put("method", (String) action.getParams().get("method"));
          action.getParams().remove("method");
        }
        if (StringUtils.isNotEmpty(action.getMethod())) {
          params.put("method", action.getMethod());
        }
        addNamespaceAction(action, params);


        ServletRedirectResult result = (ServletRedirectResult) buildResult(resultCode,
            resultTypeConfig, context, params);
        for (Map.Entry<String, String> param : action.getParams().entrySet()) {
          String property = param.getKey();
          result.addParameter(property, param.getValue());
        }
        return result;
      } else {
        return buildResult(resultCode, resultTypeConfig, context,
            buildResultParams(path, resultTypeConfig));

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com.mockobjects.servlet.MockHttpServletRequest

com.mockobjects.servlet.MockJspWriter

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