net.arnx.jsonic.web.SpringContainer.java Source code

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Here is the source code for net.arnx.jsonic.web.SpringContainer.java

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/*
 * Copyright 2007-2008 Hidekatsu Izuno
 *
 * 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 net.arnx.jsonic.web;

import javax.servlet.ServletConfig;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.web.context.support.WebApplicationContextUtils;

public class SpringContainer extends Container {
    private static Log log = LogFactory.getLog(WebServiceServlet.class);

    private ApplicationContext appContext;

    @Override
    public void init(ServletConfig config) {
        super.init(config);
        appContext = WebApplicationContextUtils.getWebApplicationContext(config.getServletContext());
    }

    @Override
    public Object getComponent(String className, HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        Object component = appContext.getBean(className);

        if (component instanceof ApplicationContextAware) {
            ((ApplicationContextAware) component).setApplicationContext(appContext);
        }

        return component;
    }

    @Override
    public void debug(String message, Throwable e) {
        if (e != null) {
            log.debug(message, e);
        } else {
            log.debug(message);
        }
    }

    @Override
    public void error(String message, Throwable e) {
        if (e != null) {
            log.error(message, e);
        } else {
            log.error(message);
        }
    }
}