C24ValidatingMessageProcessor.java

/*
 * Copyright 2011 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *			http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package biz.c24.io.spring.integration.validation;

import static biz.c24.io.spring.integration.C24Headers.*;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;

import org.springframework.messaging.Message;
import org.springframework.messaging.MessagingException;
import org.springframework.integration.handler.AbstractMessageProcessor;

import biz.c24.io.api.data.ComplexDataObject;
import biz.c24.io.api.data.ValidationEvent;
import biz.c24.io.api.data.ValidationEventCollector;
import biz.c24.io.api.data.ValidationManager;

/**
 * @author askogman
 * 
 */
public class C24ValidatingMessageProcessor extends
AbstractMessageProcessor<Map<String, ?>> {

	boolean addFailEvents = true;
	boolean addPassEvents = false;
	boolean addStatistics = false;

	@Override
	public Map<String, ?> processMessage(Message<?> message) {

		Map<String, Object> result = new HashMap<String, Object>();

		Object payload = message.getPayload();

		ComplexDataObject cdo;
		try {
			cdo = (ComplexDataObject) payload;
		} catch (ClassCastException e) {
			throw new MessagingException("Cannot validate payload of type ["
					+ payload != null ? payload.getClass().getName() : "null"
							+ "]. Only ComplexDataObject is supported.", e);
		}

		ValidationManager manager = new ValidationManager();
		ValidationEventCollector vec = new ValidationEventCollector();
		manager.addValidationListener(vec);

		if (manager.validateByEvents(cdo)) {
			result.put(VALID, Boolean.TRUE);
		} else {
			result.put(VALID, Boolean.FALSE);
		}

		if (isAddFailEvents()) {
			result.put(
					FAIL_EVENTS,
					new ArrayList<ValidationEvent>(Arrays.asList(vec
							.getFailEvents())));
		}

		if (isAddPassEvents()) {
			result.put(
					PASS_EVENTS,
					new ArrayList<ValidationEvent>(Arrays.asList(vec
							.getPassEvents())));
		}

		if (isAddStatistics()) {
			result.put(STATISTICS, manager.getStatistics());
		}

		return result;

	}

	public boolean isAddFailEvents() {
		return addFailEvents;
	}

	public void setAddFailEvents(boolean addFailEvents) {
		this.addFailEvents = addFailEvents;
	}

    /**
     *
     * @deprecated as of 3.0.9 IO Validation Manager no longer reports on success events
     */
    @Deprecated
	public boolean isAddPassEvents() {
		return addPassEvents;
	}

    /**
     *
     * @deprecated as of 3.0.9 IO Validation Manager no longer reports on success events
     */
    @Deprecated
	public void setAddPassEvents(boolean addPassEvents) {
		this.addPassEvents = addPassEvents;
	}

	public boolean isAddStatistics() {
		return addStatistics;
	}

	public void setAddStatistics(boolean addStatistics) {
		this.addStatistics = addStatistics;
	}

}