CDIFilter.java

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2013, Red Hat, Inc. and/or its affiliates, and individual
 * contributors by the @authors tag. See the copyright.txt in the
 * distribution for a full listing of individual contributors.
 *
 * 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.
 */

package org.jboss.quickstarts.portal.cdi;

import javax.inject.Inject;
import javax.portlet.PortletException;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;
import javax.portlet.filter.FilterChain;
import javax.portlet.filter.FilterConfig;
import javax.portlet.filter.RenderFilter;

import java.io.IOException;
import java.util.logging.Logger;

/**
 * A portlet filter using CDI.
 *
 * @author <a href="http://community.jboss.org/people/kenfinni">Ken Finnigan</a>
 */
public class CDIFilter implements RenderFilter {
    private static final Logger log = Logger.getLogger(CDIFilter.class.getName());

    /**
     * Java EE Container injects a Request Scoped {@link DataBean} for us here.
     */
    @Inject
    private DataBean bean;

    @Override
    public void doFilter(RenderRequest request, RenderResponse response, FilterChain chain) throws IOException,
            PortletException {
        if (null != bean) {
            bean.setMessage("Hello from Filter with CDI!");
            log.info("bean.message set to 'Hello from Filter with CDI!'");
        }
        chain.doFilter(request, response);
    }

    @Override
    public void init(FilterConfig filterConfig) throws PortletException {
    }

    @Override
    public void destroy() {
    }
}