prepare/1_2_1_rc/core/src/main/java/org/apache/myfaces/extensions/validator/core/startup/ExtValStartupListener.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.myfaces.extensions.validator.core.startup;

import org.apache.myfaces.extensions.validator.internal.UsageCategory;
import org.apache.myfaces.extensions.validator.internal.UsageInformation;
import org.apache.myfaces.extensions.validator.core.interceptor.ValidationInterceptor;
import org.apache.myfaces.extensions.validator.core.ExtValContext;
import org.apache.myfaces.extensions.validator.core.CustomInformation;
import org.apache.myfaces.extensions.validator.core.renderkit.ExtValRendererProxy;
import org.apache.myfaces.extensions.validator.util.ClassUtils;
import org.apache.myfaces.extensions.validator.ExtValInformation;

/**
 * @author Gerhard Petracek
 * @since 1.x.1
 */
@UsageInformation(UsageCategory.INTERNAL)
public class ExtValStartupListener extends AbstractStartupListener
{
    protected void init()
    {
        if(logger.isInfoEnabled())
        {
            logger.info("starting up MyFaces Extensions Validator v" + ExtValInformation.VERSION);
        }

        ExtValContext.getContext().registerRendererInterceptor(new ValidationInterceptor());

        executeCustomStartupListener();
    }

    private void executeCustomStartupListener()
    {
        ExtValContext.getContext()
                .addGlobalProperty(ExtValRendererProxy.KEY, ExtValRendererProxy.class.getName(), false);

        String customStartupListenerName = ExtValContext.getContext().getInformationProviderBean()
            .get(CustomInformation.STARTUP_LISTENER);
        AbstractStartupListener customStartupListener =
            (AbstractStartupListener)ClassUtils.tryToInstantiateClassForName(customStartupListenerName);

        if(customStartupListener != null)
        {
            if(logger.isInfoEnabled())
            {
                logger.info("start init of " + customStartupListener.getClass().getName());
            }

            customStartupListener.init();

            if(logger.isInfoEnabled())
            {
                logger.info("init of " + customStartupListener.getClass().getName() + " finished");
            }
        }
    }
}