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    1   /*
    2    * $Id: AbstractValidateBean.java 651946 2008-04-27 13:41:38Z apetrelli $
    3    *
    4    * Licensed to the Apache Software Foundation (ASF) under one
    5    * or more contributor license agreements.  See the NOTICE file
    6    * distributed with this work for additional information
    7    * regarding copyright ownership.  The ASF licenses this file
    8    * to you under the Apache License, Version 2.0 (the
    9    * "License"); you may not use this file except in compliance
   10    * with the License.  You may obtain a copy of the License at
   11    *
   12    *  http://www.apache.org/licenses/LICENSE-2.0
   13    *
   14    * Unless required by applicable law or agreed to in writing,
   15    * software distributed under the License is distributed on an
   16    * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   17    * KIND, either express or implied.  See the License for the
   18    * specific language governing permissions and limitations
   19    * under the License.
   20    */
   21   
   22   package org.apache.struts2.dojo.components;
   23   
   24   import javax.servlet.http.HttpServletRequest;
   25   import javax.servlet.http.HttpServletResponse;
   26   
   27   import org.apache.struts2.components.Form;
   28   import org.apache.struts2.views.annotations.StrutsTagAttribute;
   29   
   30   import com.opensymphony.xwork2.util.ValueStack;
   31   
   32   /**
   33    * Base class for tags that perform AJAX validation
   34    */
   35   public abstract class AbstractValidateBean extends AbstractRemoteBean {
   36       protected String validate;
   37       protected String ajaxAfterValidation;
   38       
   39       public AbstractValidateBean(ValueStack stack, HttpServletRequest request, HttpServletResponse response) {
   40           super(stack, request, response);
   41       }
   42       
   43       public void evaluateExtraParams() {
   44           super.evaluateExtraParams();
   45   
   46           if (validate != null) 
   47               addParameter("validate", findValue(validate, Boolean.class));
   48           if (ajaxAfterValidation != null)
   49               addParameter("ajaxAfterValidation", findValue(ajaxAfterValidation, Boolean.class));
   50           
   51           Form form = (Form) findAncestor(Form.class);
   52           if (form != null) 
   53               addParameter("parentTheme", form.getTheme());
   54       }
   55       
   56       @StrutsTagAttribute(description = "Perform Ajax validation. 'ajaxValidation' interceptor must be applied to action", type="Boolean", 
   57           defaultValue = "false")
   58       public void setValidate(String validate) {
   59           this.validate = validate;
   60       }
   61       
   62       @StrutsTagAttribute(description = "Make an asynchronous request if validation succeeds. Only valid if 'validate' is 'true'", type="Boolean", 
   63           defaultValue = "false")
   64       public void setAjaxAfterValidation(String ajaxAfterValidation) {
   65           this.ajaxAfterValidation = ajaxAfterValidation;
   66       }
   67   }

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