/**
    * Copyright By Grandsoft Company Limited.  
    * 2014年4月11日 下午7:45:24
    */
   package gboat2.base.view.components;
   
   import java.io.Writer;
   
   import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.apache.struts2.components.UIBean;
  import org.apache.struts2.views.annotations.StrutsTag;
  
  import com.opensymphony.xwork2.util.ValueStack;
  
  /**
   * 在JSP页面输出当前页面路径的注释
   * @author sunpf
   * @since 3.0
   * @date 2014-7-1
   */
  @StrutsTag(
          name="pageurl",
          tldTagClass="gboat2.base.view.jsp.PageUrlTag",
          description="输出当前页面路径",
          allowDynamicAttributes = false)
  public class PageUrl extends UIBean {
  	
      public static final String TEMPLATE = "pageurl";
      
      private String pageUrl;
      
      public PageUrl(ValueStack stack, HttpServletRequest request, HttpServletResponse response) {
          super(stack, request, response);
          String actionName= stack.getRoot().get(0).getClass().getName();
          String packageName = "";
          if(actionName.contains(".action")){
          	packageName = actionName.split(".action")[0];
          }
          pageUrl = packageName+"/src/main/resources";
      }
  
      @Override
      protected String getDefaultTemplate() {
          return TEMPLATE;
      }
  
      @Override
      protected void evaluateExtraParams() {
          super.evaluateExtraParams();
          pageUrl += (String) request.getAttribute("javax.servlet.include.servlet_path");
          addParameter("pageUrl",pageUrl);
      }
  
      @Override
  	public boolean end(Writer writer, String body) {
  		return super.end(writer, body);
  	}
  }