wink-jcdi-server/src/main/java/org/apache/wink/jcdi/server/internal/servlet/CdiRestServlet.java

/*
 * 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.wink.jcdi.server.internal.servlet;

import org.apache.wink.common.internal.i18n.Messages;
import org.apache.wink.common.internal.utils.ClassUtils;
import org.apache.wink.jcdi.server.internal.CdiDeploymentConfiguration;
import org.apache.wink.server.internal.DeploymentConfiguration;
import org.apache.wink.server.internal.servlet.RestServlet;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

//TODO discuss: use service-loader instead (or owb fallback for 1.5)
public class CdiRestServlet extends RestServlet {
    private static final long serialVersionUID = 5701130677376976607L;
    private static final Logger logger = LoggerFactory.getLogger(CdiRestServlet.class);
    private static final String DEPLOYMENT_CONF_PARAM = "deploymentConfiguration";

    @Override
    protected DeploymentConfiguration createDeploymentConfiguration()
            throws ClassNotFoundException, InstantiationException, IllegalAccessException {
        String initParameter = getInitParameter(DEPLOYMENT_CONF_PARAM);
        if (initParameter != null) {
            logger.info(Messages.getMessage(
                    "restServletUseDeploymentConfigurationParam", initParameter, DEPLOYMENT_CONF_PARAM));
            Class<?> confClass = ClassUtils.loadClass(initParameter);
            return (DeploymentConfiguration) confClass.newInstance();
        }
        return new CdiDeploymentConfiguration(null /*see TODO*/);
    }
}