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package org.seasar.cubby.interceptor; |
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import static org.seasar.cubby.CubbyConstants.ATTR_PARAMS; |
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import static org.seasar.cubby.CubbyConstants.ATTR_VALIDATION_FAIL; |
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import java.util.Collections; |
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import java.util.List; |
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import java.util.Map; |
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import javax.servlet.http.HttpServletRequest; |
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import org.aopalliance.intercept.MethodInterceptor; |
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import org.aopalliance.intercept.MethodInvocation; |
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import org.seasar.cubby.CubbyConstants; |
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import org.seasar.cubby.action.Action; |
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import org.seasar.cubby.action.Forward; |
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import org.seasar.cubby.action.Validation; |
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import org.seasar.cubby.controller.ActionContext; |
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import org.seasar.cubby.validator.ActionValidator; |
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import org.seasar.cubby.validator.ValidationRule; |
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import org.seasar.cubby.validator.ValidationRules; |
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import org.seasar.framework.beans.BeanDesc; |
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import org.seasar.framework.beans.PropertyDesc; |
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import org.seasar.framework.beans.factory.BeanDescFactory; |
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public class ValidationInterceptor implements MethodInterceptor { |
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40 | 1 | private static final ValidationRules NULL_VALIDATION_RULES = new ValidationRules() { |
41 | 1 | public List<ValidationRule> getRules() { |
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return Collections.emptyList(); |
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} |
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}; |
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private ActionValidator validator; |
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private HttpServletRequest request; |
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private ActionContext context; |
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public ValidationInterceptor() { |
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} |
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public void setActionValidatior(final ActionValidator actionValidator) { |
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this.validator = actionValidator; |
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} |
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public void setRequest(final HttpServletRequest request) { |
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this.request = request; |
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} |
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public void setActionContext(final ActionContext context) { |
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this.context = context; |
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} |
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public Object invoke(final MethodInvocation invocation) throws Throwable { |
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final Action controller = context.getAction(); |
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final Validation validation = context.getValidation(); |
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final ValidationRules rules = getValidationRules(context); |
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final Map<String, Object> params = getParams(request); |
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final boolean success = validator.processValidation(validation, |
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controller, params, context.getFormBean(), rules); |
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final Object result; |
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if (success) { |
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result = invocation.proceed(); |
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} else { |
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request.setAttribute(ATTR_VALIDATION_FAIL, true); |
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String path = validation.errorPage(); |
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result = new Forward(path); |
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} |
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return result; |
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} |
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private ValidationRules getValidationRules(ActionContext context) { |
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final Validation validation = context.getValidation(); |
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final ValidationRules validationRules; |
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if (validation == null) { |
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validationRules = NULL_VALIDATION_RULES; |
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} else { |
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final Action action = context.getAction(); |
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BeanDesc beanDesc = BeanDescFactory.getBeanDesc(action.getClass()); |
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PropertyDesc propertyDesc = beanDesc.getPropertyDesc(validation |
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.rulesField()); |
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validationRules = (ValidationRules) propertyDesc.getValue(action); |
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} |
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return validationRules; |
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} |
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@SuppressWarnings("unchecked") |
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private static Map<String, Object> getParams( |
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final HttpServletRequest request) { |
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return (Map<String, Object>) request.getAttribute(ATTR_PARAMS); |
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} |
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} |