com.fluxit.camel.component.n4.N4Component.java Source code

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Here is the source code for com.fluxit.camel.component.n4.N4Component.java

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/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 com.fluxit.camel.component.n4;

import java.util.Map;

import javax.xml.bind.JAXBContext;

import org.apache.camel.Endpoint;
import org.apache.camel.builder.xml.XsltUriResolver;
import org.apache.camel.impl.DefaultComponent;
import org.apache.camel.util.ObjectHelper;
import org.apache.commons.validator.routines.UrlValidator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Represents the component that manages {@link N4Endpoint}.
 * 
 * @author chubutin
 * 
 */
public class N4Component extends DefaultComponent {

    private static final transient Logger LOG = LoggerFactory.getLogger(N4Component.class);

    protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters)
            throws Exception {

        XsltUriResolver uriResolver = new XsltUriResolver(super.getCamelContext().getClassResolver(), null);

        N4Endpoint endpoint = new N4Endpoint(uri, this);

        LOG.debug("Creando el endpoint de la clase {0} con la URI {1} y los parametros {2} ", endpoint.getClass(),
                uri, parameters);
        setProperties(endpoint, parameters);

        validateRequiredProperties(endpoint);

        if (endpoint.getUriXSLTInput() != null) {
            uriResolver.resolve(endpoint.getUriXSLTInput(), null);
        }
        if (endpoint.getUriXSLTOutput() != null) {
            uriResolver.resolve(endpoint.getUriXSLTOutput(), null);
        }

        return endpoint;
    }

    private void validateRequiredProperties(N4Endpoint endpoint) throws Exception {

        // valido que la URI del provider exista
        if (ObjectHelper.isEmpty(endpoint.getN4EndpointURI())) {
            throw new IllegalArgumentException("La propiedad n4EndpointURI no puede ser nula");
        } else {
            UrlValidator urlValidator = new UrlValidator(UrlValidator.ALLOW_LOCAL_URLS);
            if (!urlValidator.isValid(endpoint.getN4EndpointURI())) {
                throw new IllegalArgumentException(
                        "La URL del provider no es valida, corregir la propiedad n4EndpointURI");
            }
        }

        // valido que exista uno y solo un mtodo de transformacin de entrada
        if (endpoint.getUriMapInput() == null && endpoint.getUriXSLTInput() == null) {
            LOG.error("No se seteo ningn mtodo de transformacin de entrada");
            throw new IllegalArgumentException("Se debe setear un mtodo de transformacion de entrada");

        } else if (endpoint.getUriMapInput() != null && endpoint.getUriXSLTInput() != null) {
            LOG.error("Se setearon ambas transformaciones de entrada, se debe usar solo una");
            throw new IllegalArgumentException("Solo puede existir un mtodo de transformacion de entrada");
        }

        if (endpoint.getClassSerialization() != null) {
            LOG.debug("Instanciando el contexto de JAXB");
            JAXBContext jaxbContext = JAXBContext.newInstance(Class.forName(endpoint.getClassSerialization()));
            endpoint.setJaxbContext(jaxbContext);
        }

    }
}