Java VariableInfo.AT_BEGIN属性代码示例

public List<Object> getScriptingVars(int scope) {
    List<Object> vec = null;

    switch (scope) {
    case VariableInfo.AT_BEGIN:
        vec = this.atBeginScriptingVars;
        break;
    case VariableInfo.AT_END:
        vec = this.atEndScriptingVars;
        break;
    case VariableInfo.NESTED:
        vec = this.nestedScriptingVars;
        break;
    }

    return vec;
}
 

/**
    * Return information about the scripting variables to be created.
    */
   public VariableInfo[] getVariableInfo(TagData data) {

       String className = null;
       if (data.getAttribute("multiple") == null)
           className = "java.lang.String";
       else
           className = "java.lang.String[]";
return new VariableInfo[] {
  new VariableInfo(data.getAttributeString("id"),
                          className,
                   true,
                   VariableInfo.AT_BEGIN)
};

   }
 

/**
    * Return information about the scripting variables to be created.
    */
   public VariableInfo[] getVariableInfo(TagData data) {

       String type = null;
       if (data.getAttribute("formBean") != null)
           type = "org.apache.struts.action.ActionFormBean";
       else if (data.getAttribute("forward") != null)
           type = "org.apache.struts.action.ActionForward";
       else if (data.getAttribute("mapping") != null)
           type = "org.apache.struts.action.ActionMapping";
       else
           type = "java.lang.Object";

return new VariableInfo[] {
  new VariableInfo(data.getAttributeString("id"),
                   type,
                   true,
                   VariableInfo.AT_BEGIN)
};

   }
 

/**
 * Attempts to return type information so that the container can create a
 * named variable for the action bean.
 */
@Override public VariableInfo[] getVariableInfo(final TagData tag) {
    // We can only provide the type of 'var' if beanclass was used because
    // if binding was used we need runtime information!
    Object beanclass = tag.getAttribute("beanclass");

    // Turns out beanclass="${...}" does NOT return TagData.REQUEST_TIME_VALUE; only beanclass="<%= ... %>".
    if (beanclass != null && !beanclass.equals(TagData.REQUEST_TIME_VALUE)) {
        String var = tag.getAttributeString("var");
        if (var == null) var = tag.getAttributeString("id");

        // Make sure we have the class name, not the class
        if (beanclass instanceof Class<?>) beanclass = ((Class<?>) beanclass).getName();

        // Return the variable info
        if (beanclass instanceof String) {
            String string = (String) beanclass;
            if (!string.startsWith("${")) {
                return new VariableInfo[] { new VariableInfo(var, string, true, VariableInfo.AT_BEGIN) };
            }
        }
    }
    return NO_INFO;
}
 

/**
 * Return information about the scripting variables to be created.
 */
public VariableInfo[] getVariableInfo(TagData data) {
    String type = null;
    String property = data.getAttributeString("property");

    if ("application".equalsIgnoreCase(property)) {
        type = "javax.servlet.ServletContext";
    } else if ("config".equalsIgnoreCase(property)) {
        type = "javax.servlet.ServletConfig";
    } else if ("request".equalsIgnoreCase(property)) {
        type = "javax.servlet.ServletRequest";
    } else if ("response".equalsIgnoreCase(property)) {
        type = "javax.servlet.ServletResponse";
    } else if ("session".equalsIgnoreCase(property)) {
        type = "javax.servlet.http.HttpSession";
    } else {
        type = "java.lang.Object";
    }

    return new VariableInfo[] {
        new VariableInfo(data.getAttributeString("id"), type, true,
            VariableInfo.AT_BEGIN)
    };
}
 

/**
 * Return information about the scripting variables to be created.
 */
public VariableInfo[] getVariableInfo(TagData data) {
    String type = null;

    if (data.getAttribute("formBean") != null) {
        type = "org.apache.struts.action.ActionFormBean";
    } else if (data.getAttribute("forward") != null) {
        type = "org.apache.struts.action.ActionForward";
    } else if (data.getAttribute("mapping") != null) {
        type = "org.apache.struts.action.ActionMapping";
    } else {
        type = "java.lang.Object";
    }

    return new VariableInfo[] {
        new VariableInfo(data.getAttributeString("id"), type, true,
            VariableInfo.AT_BEGIN)
    };
}
 

@Override
public VariableInfo[] getVariableInfo(TagData data) {
    String name = null;
    String className = null;

    name = data.getAttributeString("name");
    className = data.getAttributeString("type");
    if (className == null)
        className = "org.ofbiz.entity.GenericValue";

    VariableInfo info =
        new VariableInfo(name, className, true, VariableInfo.AT_BEGIN);
    VariableInfo[] result = {info};

    return result;
}
 

/**
 * Returns information about the scripting variable containing the all
 * documents message.
 *
 * @param data run-time attributes of the alldocs tag
 * @return an array containing a single element, detailing the scripting
 *      variable
 */
public VariableInfo[] getVariableInfo(TagData data) {

  // declare the array we'll be returning
  VariableInfo[] info = null;

  // get the name of the scripting variable
  Object varName = data.getAttribute(AlldocsTag.ATTR_ID);

  // proceed only if an id was defined!
  if ((varName != null) && (varName != TagData.REQUEST_TIME_VALUE)) {

    // decalare the type of the scripting variable
    String varType = "org.apache.soap.rpc.Response";

    // create the array containing the variable information
    VariableInfo idVarInfo =
      new VariableInfo((String) varName, varType, true, VariableInfo.AT_BEGIN);
    info = new VariableInfo[] { idVarInfo };
  }

  // end if
  // return the information on the variables
  return info;
}
 

/**
 * Returns two VariableInfo objects that define the following
 * body objects
 * <UL>
 * <LI>A variable that represents the current value of the iterator.
 * The name to reference this object is defined in the iterator tag
 * with the value "varName". The type of this object is defined by
 * the "varType" value passed in the iterator tag.
 * </UL>
 *
 * @param data a value of type 'TagData'
 * @return a value of type 'VariableInfo[]'
 */
public VariableInfo[] getVariableInfo( TagData data )
{
    String varName = data.getAttributeString("id");
    if ( varName == null ) {
        return new VariableInfo[] {
        };
    } else {
        return new VariableInfo[] {
            new VariableInfo( varName,
                              "java.util.ResourceBundle",
                              true,
                              VariableInfo.AT_BEGIN ),
        };
    }
}
 

/**
 * Returns information about the scripting variable containing document
 * metadata message.
 *
 * @param data run-time attributes of the metadata tag
 * @return an array containing a single element, detailing the scripting
 *      variable
 */
public VariableInfo[] getVariableInfo(TagData data) {

  // declare the array we'll be returning
  VariableInfo[] info = null;

  // get the name of the scripting variable
  Object varName = data.getAttribute(MetadataTag.ATTR_ID);

  // proceed only if an id was defined!
  if ((varName != null) && (varName != TagData.REQUEST_TIME_VALUE)) {

    // decalare the type of the scripting variable
    String varType = "org.apache.soap.rpc.Response";

    // create the array containing the variable information
    VariableInfo idVarInfo =
      new VariableInfo((String) varName, varType, true, VariableInfo.AT_BEGIN);
    info = new VariableInfo[] { idVarInfo };
  }

  // end if
  // return the information on the variables
  return info;
}
 

public VariableInfo[] getVariableInfo(TagData tagData) {
    return new VariableInfo[]{
        new VariableInfo("renderRequest",
                "javax.portlet.RenderRequest",
                true,
                VariableInfo.AT_BEGIN),
        new VariableInfo("renderResponse",
                "javax.portlet.RenderResponse",
                true,
                VariableInfo.AT_BEGIN),
        new VariableInfo("portletConfig",
                "javax.portlet.PortletConfig",
                true,
                VariableInfo.AT_BEGIN)
    };
}
 

/**
 * Copies the variables of the given scope from the virtual page scope of
 * this JSP context wrapper to the page scope of the invoking JSP context.
 * 
 * @param scope
 *            variable scope (one of NESTED, AT_BEGIN, or AT_END)
 */
private void copyTagToPageScope(int scope) {
    Iterator<String> iter = null;

    switch (scope) {
    case VariableInfo.NESTED:
        if (nestedVars != null) {
            iter = nestedVars.iterator();
        }
        break;
    case VariableInfo.AT_BEGIN:
        if (atBeginVars != null) {
            iter = atBeginVars.iterator();
        }
        break;
    case VariableInfo.AT_END:
        if (atEndVars != null) {
            iter = atEndVars.iterator();
        }
        break;
    }

    while ((iter != null) && iter.hasNext()) {
        String varName = iter.next();
        Object obj = getAttribute(varName);
        varName = findAlias(varName);
        if (obj != null) {
            invokingJspCtxt.setAttribute(varName, obj);
        } else {
            invokingJspCtxt.removeAttribute(varName, PAGE_SCOPE);
        }
    }
}
 

/**
 * Copies the variables of the given scope from the virtual page scope of
 * this JSP context wrapper to the page scope of the invoking JSP context.
 * 
 * @param scope
 *            variable scope (one of NESTED, AT_BEGIN, or AT_END)
 */
private void copyTagToPageScope(int scope) {
	Iterator iter = null;

	switch (scope) {
	case VariableInfo.NESTED:
		if (nestedVars != null) {
			iter = nestedVars.iterator();
		}
		break;
	case VariableInfo.AT_BEGIN:
		if (atBeginVars != null) {
			iter = atBeginVars.iterator();
		}
		break;
	case VariableInfo.AT_END:
		if (atEndVars != null) {
			iter = atEndVars.iterator();
		}
		break;
	}

	while ((iter != null) && iter.hasNext()) {
		String varName = (String) iter.next();
		Object obj = getAttribute(varName);
		varName = findAlias(varName);
		if (obj != null) {
		    invokingJspCtxt.setAttribute(varName, obj);
		} else {
		    invokingJspCtxt.removeAttribute(varName, PAGE_SCOPE);
		}
	}
}
 

/**
 * Copies the variables of the given scope from the virtual page scope of
 * this JSP context wrapper to the page scope of the invoking JSP context.
 * 
 * @param scope
 *            variable scope (one of NESTED, AT_BEGIN, or AT_END)
 */
private void copyTagToPageScope(int scope) {
	Iterator<String> iter = null;

	switch (scope) {
	case VariableInfo.NESTED:
		if (nestedVars != null) {
			iter = nestedVars.iterator();
		}
		break;
	case VariableInfo.AT_BEGIN:
		if (atBeginVars != null) {
			iter = atBeginVars.iterator();
		}
		break;
	case VariableInfo.AT_END:
		if (atEndVars != null) {
			iter = atEndVars.iterator();
		}
		break;
	}

	while ((iter != null) && iter.hasNext()) {
		String varName = iter.next();
		Object obj = getAttribute(varName);
		varName = findAlias(varName);
		if (obj != null) {
			invokingJspCtxt.setAttribute(varName, obj);
		} else {
			invokingJspCtxt.removeAttribute(varName, PAGE_SCOPE);
		}
	}
}
 

public void setScriptingVars(List<Object> vec, int scope) {
	switch (scope) {
	case VariableInfo.AT_BEGIN:
		this.atBeginScriptingVars = vec;
		break;
	case VariableInfo.AT_END:
		this.atEndScriptingVars = vec;
		break;
	case VariableInfo.NESTED:
		this.nestedScriptingVars = vec;
		break;
	}
}