org.apache.axis2.extensions.spring.receivers.SpringServletContextObjectSupplier Maven / Gradle / Ivy
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* 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
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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*/
package org.apache.axis2.extensions.spring.receivers;
import org.apache.axis2.AxisFault;
import org.apache.axis2.ServiceObjectSupplier;
import org.apache.axis2.description.AxisService;
import org.apache.axis2.description.Parameter;
import org.apache.axis2.i18n.Messages;
import org.apache.axis2.transport.http.HTTPConstants;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
public class SpringServletContextObjectSupplier implements ServiceObjectSupplier {
private static Log log = LogFactory.getLog(SpringServletContextObjectSupplier.class);
public static final String SERVICE_SPRING_BEANNAME = "SpringBeanName";
/**
* Method getServiceObject that is Spring aware via ServletContext.
*
* @param axisService
* @return Returns Object.
* @throws AxisFault
*/
public Object getServiceObject(AxisService axisService) throws AxisFault {
try {
// Name of spring aware bean to be injected, taken from services.xml
// via 'SERVICE_SPRING_BEANNAME ' . The Bean and its properties are pre-configured
// as normally done in a spring type of way and subsequently loaded by Spring.
// Axis2 just assumes that the bean is configured and is in the classloader.
Parameter implBeanParam = axisService.getParameter(SERVICE_SPRING_BEANNAME);
String beanName = ((String)implBeanParam.getValue()).trim();
if (beanName != null) {
Parameter servletConfigParam = axisService.getAxisConfiguration()
.getParameter(HTTPConstants.HTTP_SERVLETCONFIG);
if (servletConfigParam == null) {
throw new Exception("Axis2 Can't find ServletConfigParameter");
}
Object obj = servletConfigParam.getValue();
ServletContext servletContext;
if (obj instanceof ServletConfig) {
ServletConfig servletConfig = (ServletConfig)obj;
servletContext = servletConfig.getServletContext();
} else {
throw new Exception("Axis2 Can't find ServletConfig");
}
ApplicationContext aCtx =
WebApplicationContextUtils.getWebApplicationContext(servletContext);
if (aCtx == null) {
log.warn("Axis2 Can't find Spring's ApplicationContext");
return null;
} else if (aCtx.getBean(beanName) == null) {
throw new Exception("Axis2 Can't find Spring Bean: " + beanName);
}
return aCtx.getBean(beanName);
} else {
throw new AxisFault(
Messages.getMessage("paramIsNotSpecified", "SERVICE_SPRING_BEANNAME"));
}
} catch (Exception e) {
throw AxisFault.makeFault(e);
}
}
}