com.redhat.poc.mt.emission.evt.EventGenerator.java Source code

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Here is the source code for com.redhat.poc.mt.emission.evt.EventGenerator.java

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package com.redhat.poc.mt.emission.evt;

/**
 * Copyright (c) Red Hat, Inc.
 *
 * 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.
 */

import java.util.Calendar;
import java.util.UUID;

import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.commons.lang.StringUtils;

import com.redhat.poc.util.Referentiel;
import com.redhat.poc.vo.Event;
import com.redhat.poc.vo.State;

public class EventGenerator implements Processor {

    private static String SOURCE_GENERATION = "source.generation";
    private static String EVENT_AUTHOR = "event.author";
    private static String EVENT_MESSAGE = "event.message";

    public void process(Exchange exchange) throws Exception {
        Event event = new Event();
        String author = null;
        String message = null;

        exchange.getOut().copyFrom(exchange.getIn());
        String body = exchange.getIn().getBody(String.class);

        event.setId(UUID.randomUUID().toString());

        author = (String) exchange.getIn().getHeader(EVENT_AUTHOR);
        message = (String) exchange.getIn().getHeader(EVENT_MESSAGE);

        if (author == null || "".compareTo(author) == 0) {
            event.setAuthor(Referentiel.randomName());
        } else {
            event.setAuthor(author);
        }

        if (message != null) {
            event.setMessage(message);
        }
        event.setSystem(Referentiel.randomSystem());
        event.setCreationTime(Calendar.getInstance().getTime());
        event.setGeo(Referentiel.randomISO3166_1alpha_3());
        event.setVersion(Referentiel.randomVersion());
        event.setState(State.NEW);

        event.setType(((String) exchange.getIn().getHeader(SOURCE_GENERATION)));

        if (StringUtils.isNotBlank(body)) {
            event.setMessage(body);
        }

        exchange.getOut().setBody(event);
    }
}