org.apache.camel.component.cm.CMComponent.java Source code

Introduction

Here is the source code for org.apache.camel.component.cm.CMComponent.java

Source

/**
 * 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 org.apache.camel.component.cm;

import java.util.Map;
import java.util.Set;

import javax.validation.ConstraintViolation;
import javax.validation.Validator;

import org.apache.camel.BeanInject;
import org.apache.camel.CamelContext;
import org.apache.camel.Endpoint;
import org.apache.camel.component.cm.exceptions.InvalidURLException;
import org.apache.camel.component.cm.exceptions.InvalidUriEndpointException;
import org.apache.camel.impl.UriEndpointComponent;
import org.apache.camel.util.URISupport;
import org.apache.commons.validator.routines.UrlValidator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Represents the component that manages {@link CMEndpoint}s.
 */
public class CMComponent extends UriEndpointComponent {

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

    @BeanInject
    private Validator validator;

    // public CMComponent() {
    // super(CMEndpoint.class);
    // }

    public CMComponent(final CamelContext context) {
        super(context, CMEndpoint.class);
    }

    /**
     * Endpoints factory
     */
    @Override
    protected Endpoint createEndpoint(final String uri, final String remaining,
            final Map<String, Object> parameters) throws Exception {

        LOG.info("Creating CM Endpoint ... ");

        final String url = CMConstants.DEFAULT_SCHEME + remaining;
        if (!UrlValidator.getInstance().isValid(url)) {
            final String errorMessage = String
                    .format("HOST provided: %s seem to be invalid. Remember SCHEME has to be excluded.", url);
            final Exception t = new InvalidURLException(errorMessage);
            LOG.error(errorMessage, t);
            throw t;
        }

        LOG.info("Uri=[{}], path=[{}], parameters=[{}]",
                new Object[] { URISupport.sanitizeUri(uri), URISupport.sanitizePath(remaining), parameters });

        // Set configuration based on uri parameters
        final CMConfiguration config = new CMConfiguration();
        setProperties(config, parameters);

        // Validate configuration
        LOG.info("Validating uri based configuration");
        final Set<ConstraintViolation<CMConfiguration>> constraintViolations = validator.validate(config);
        if (constraintViolations.size() > 0) {
            final StringBuffer msg = new StringBuffer();
            for (final ConstraintViolation<CMConfiguration> cv : constraintViolations) {
                msg.append(String.format("- Invalid value for %s: %s", cv.getPropertyPath().toString(),
                        cv.getMessage()));
            }
            LOG.error(msg.toString());
            throw new InvalidUriEndpointException(msg.toString());
        }
        LOG.info("CMConfiguration - OK!");

        // Component is an Endpoint factory. So far, just one Endpoint type.
        // Endpoint construction and configuration.

        LOG.info("Creating CMEndpoint");
        final CMEndpoint endpoint = new CMEndpoint(uri, this);
        endpoint.setConfiguration(config);
        endpoint.setHost(remaining);

        return endpoint;
    }

    public Validator getValidator() {
        return validator;
    }

}