org.dihedron.demo.portlets.portlet1.actions.Portlet1ValidationHandler.java Source code

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Here is the source code for org.dihedron.demo.portlets.portlet1.actions.Portlet1ValidationHandler.java

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/*
 * Copyright (c) 2012-2015, Andrea Funto'. All rights reserved. See LICENSE for details.
 */

package org.dihedron.demo.portlets.portlet1.actions;

import java.util.Set;

import javax.validation.ConstraintViolation;

import org.dihedron.strutlets.ActionContext;
import org.dihedron.strutlets.validation.ValidationHandler;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.liferay.portal.kernel.servlet.SessionErrors;
import com.liferay.portal.kernel.servlet.SessionMessages;

/**
 * @author Andrea Funto'
 */
public class Portlet1ValidationHandler implements ValidationHandler {
    /**
     * The logger.
     */
    private static final Logger logger = LoggerFactory.getLogger(Portlet1ValidationHandler.class);

    /**
     * @see org.dihedron.strutlets.validation.ValidationHandler#onParametersViolations(java.util.Set)
     */
    @Override
    public String onParametersViolations(String action, String method, Set<ConstraintViolation<?>> violations) {
        SessionMessages.add(ActionContext.getPortletRequest(),
                ActionContext.getPortletName() + SessionMessages.KEY_SUFFIX_HIDE_DEFAULT_ERROR_MESSAGE);

        for (ConstraintViolation<?> violation : violations) {
            logger.warn("{}!{}: violation on parameter value '{}' will show error message with key '{}'", action,
                    method, violation.getInvalidValue(), violation.getMessage());
            SessionErrors.add(ActionContext.getPortletRequest(), violation.getMessage());
        }
        return "invalid_input";
    }

    /**
     * @see org.dihedron.strutlets.validation.ValidationHandler#onResultViolations(java.util.Set)
     */
    @Override
    public String onResultViolations(String action, String method, Set<ConstraintViolation<?>> violations) {
        for (ConstraintViolation<?> violation : violations) {
            logger.warn("{}!{}: violation on return value {}: {}", action, method, violation.getInvalidValue(),
                    violation.getMessage());
        }
        return null;
    }

    /**
     * @see org.dihedron.strutlets.validation.ValidationHandler#onModelViolations(java.lang.String, java.lang.String, int, java.lang.Class, java.util.Set)
     */
    @Override
    public String onModelViolations(String action, String method, int index, Class<?> model,
            Set<ConstraintViolation<?>> violations) {
        SessionMessages.add(ActionContext.getPortletRequest(),
                ActionContext.getPortletName() + SessionMessages.KEY_SUFFIX_HIDE_DEFAULT_ERROR_MESSAGE);
        for (ConstraintViolation<?> violation : violations) {
            logger.warn("{}!{}: violation on model bean {} (no. {}), value {}: {}", action, method,
                    model.getSimpleName(), index, violation.getInvalidValue(), violation.getMessage());
            SessionErrors.add(ActionContext.getPortletRequest(), violation.getMessage());
        }
        return null;
    }
}