Coverage Report - org.seasar.cubby.interceptor.ValidationInterceptor
 
Classes in this File Line Coverage Branch Coverage Complexity
ValidationInterceptor
3%
1/32
0%
0/6
0
ValidationInterceptor$1
50%
1/2
N/A
0
 
 1  
 /*
 2  
  * Copyright 2004-2008 the Seasar Foundation and the Others.
 3  
  *
 4  
  * Licensed under the Apache License, Version 2.0 (the "License");
 5  
  * you may not use this file except in compliance with the License.
 6  
  * You may obtain a copy of the License at
 7  
  *
 8  
  *     http://www.apache.org/licenses/LICENSE-2.0
 9  
  *
 10  
  * Unless required by applicable law or agreed to in writing, software
 11  
  * distributed under the License is distributed on an "AS IS" BASIS,
 12  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 13  
  * either express or implied. See the License for the specific language
 14  
  * governing permissions and limitations under the License.
 15  
  */
 16  
 package org.seasar.cubby.interceptor;
 17  
 
 18  
 import static org.seasar.cubby.CubbyConstants.ATTR_PARAMS;
 19  
 import static org.seasar.cubby.CubbyConstants.ATTR_VALIDATION_FAIL;
 20  
 
 21  
 import java.util.Collections;
 22  
 import java.util.List;
 23  
 import java.util.Map;
 24  
 
 25  
 import javax.servlet.http.HttpServletRequest;
 26  
 
 27  
 import org.aopalliance.intercept.MethodInterceptor;
 28  
 import org.aopalliance.intercept.MethodInvocation;
 29  
 import org.seasar.cubby.CubbyConstants;
 30  
 import org.seasar.cubby.action.Action;
 31  
 import org.seasar.cubby.action.ActionErrors;
 32  
 import org.seasar.cubby.action.Forward;
 33  
 import org.seasar.cubby.action.Validation;
 34  
 import org.seasar.cubby.controller.ActionContext;
 35  
 import org.seasar.cubby.validator.ValidationProcessor;
 36  
 import org.seasar.cubby.validator.ValidationRule;
 37  
 import org.seasar.cubby.validator.ValidationRules;
 38  
 import org.seasar.framework.beans.BeanDesc;
 39  
 import org.seasar.framework.beans.PropertyDesc;
 40  
 import org.seasar.framework.beans.factory.BeanDescFactory;
 41  
 
 42  
 /**
 43  
  * 入力検証を行います。
 44  
  * <p>
 45  
  * 入力検証が失敗した場合
 46  
  * <ul>
 47  
  * <li>またリクエスト中の入力検証エラーフラグを <code>true</code> に設定します。</li>
 48  
  * <li>アクションメソッドに設定された{@link Validation#errorPage()}へフォワードします。</li>
 49  
  * </ul>
 50  
  * </p>
 51  
  * 
 52  
  * @see CubbyConstants#ATTR_VALIDATION_FAIL 入力検証エラーフラグの属性名
 53  
  * @author agata
 54  
  * @author baba
 55  
  * @since 1.0
 56  
  */
 57  
 public class ValidationInterceptor implements MethodInterceptor {
 58  
 
 59  1
         private static final ValidationRules NULL_VALIDATION_RULES = new ValidationRules() {
 60  1
                 public List<ValidationRule> getRules() {
 61  0
                         return Collections.emptyList();
 62  
                 }
 63  
         };
 64  
 
 65  
         private ValidationProcessor validationProcessor;
 66  
 
 67  
         private HttpServletRequest request;
 68  
 
 69  
         private ActionContext context;
 70  
 
 71  0
         public ValidationInterceptor() {
 72  0
         }
 73  
 
 74  
         public void setValidationProcessor(
 75  
                         final ValidationProcessor validationProcessor) {
 76  0
                 this.validationProcessor = validationProcessor;
 77  0
         }
 78  
 
 79  
         public void setRequest(final HttpServletRequest request) {
 80  0
                 this.request = request;
 81  0
         }
 82  
 
 83  
         public void setActionContext(final ActionContext context) {
 84  0
                 this.context = context;
 85  0
         }
 86  
 
 87  
         public Object invoke(final MethodInvocation invocation) throws Throwable {
 88  0
                 final Validation validation = context.getValidation();
 89  
 
 90  
                 final boolean success;
 91  0
                 if (validation == null) {
 92  0
                         success = true;
 93  
                 } else {
 94  0
                         final Map<String, Object[]> params = getParams(request);
 95  0
                         final Object form = context.getFormBean();
 96  0
                         final ActionErrors errors = context.getAction().getErrors();
 97  0
                         final ValidationRules rules = getValidationRules(context);
 98  0
                         success = validationProcessor.process(errors, params, form, rules);
 99  
                 }
 100  
 
 101  
                 final Object result;
 102  0
                 if (success) {
 103  0
                         result = invocation.proceed();
 104  
                 } else {
 105  0
                         request.setAttribute(ATTR_VALIDATION_FAIL, true);
 106  0
                         final String path = validation.errorPage();
 107  0
                         result = new Forward(path);
 108  
                 }
 109  
 
 110  0
                 return result;
 111  
         }
 112  
 
 113  
         private ValidationRules getValidationRules(final ActionContext context) {
 114  0
                 final Validation validation = context.getValidation();
 115  
                 final ValidationRules rules;
 116  0
                 if (validation == null) {
 117  0
                         rules = NULL_VALIDATION_RULES;
 118  
                 } else {
 119  0
                         final Action action = context.getAction();
 120  0
                         final BeanDesc beanDesc = BeanDescFactory.getBeanDesc(action
 121  
                                         .getClass());
 122  0
                         final PropertyDesc propertyDesc = beanDesc
 123  
                                         .getPropertyDesc(validation.rules());
 124  0
                         rules = (ValidationRules) propertyDesc.getValue(action);
 125  
                 }
 126  0
                 return rules;
 127  
         }
 128  
 
 129  
         @SuppressWarnings("unchecked")
 130  
         private static Map<String, Object[]> getParams(
 131  
                         final HttpServletRequest request) {
 132  0
                 return (Map<String, Object[]>) request.getAttribute(ATTR_PARAMS);
 133  
         }
 134  
 
 135  
 }