/** 基于spring动态加载bean配置 */
public class DynamicBeanReaderImpl implements DynamicBeanReader, ApplicationContextAware {
private static final Logger logger =
LoggerFactory.getCustomerLog(DynamicBeanReaderImpl.class, "spring_dynamicBean");
private ConfigurableApplicationContext applicationContext = null;
private XmlBeanDefinitionReader beanDefinitionReader;
/*初始化方法*/
public void init() {
beanDefinitionReader =
new XmlBeanDefinitionReader((BeanDefinitionRegistry) applicationContext.getBeanFactory());
beanDefinitionReader.setEntityResolver(new ResourceEntityResolver(applicationContext));
}
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
this.applicationContext = (ConfigurableApplicationContext) applicationContext;
}
@Override
public void loadBean(DynamicBean dynamicBean) {
long startTime = System.currentTimeMillis();
String beanName = dynamicBean.getBeanName();
if (applicationContext.containsBean(beanName)) {
logger.warn(beanName, "bean【{}】已经加载！");
// TODO 已经存在旧的bean,须不须要动态更新
return;
}
beanDefinitionReader.loadBeanDefinitions(new DynamicResource(dynamicBean));
logger.info(
beanName, String.valueOf(System.currentTimeMillis() - startTime), "初始化bean【{}】耗时{}毫秒.");
}
}
public class StartServer implements Container {
private static final Logger log = LoggerFactory.getApplicationLog(StartServer.class);
public static final String DEFAULT_SPRING_CONFIG = "spring-all.xml";
static ClassPathXmlApplicationContext context;
private static final String LOGNAME = "StartServer";
private static File HOME = null;
private static String PLUGINHOME = null;
public StartServer() {}
@Override
public void start() {
log.info(LOGNAME, "{} starting ...");
getHome();
loadPluginsClass();
String[] configPath = getSpringConfigs();
context = new ClassPathXmlApplicationContext(configPath);
context.start();
}
private void loadPluginsClass() {
String pluginHome = BusiPluginsHelper.getPluginHome();
PLUGINHOME = pluginHome;
BusiPluginsHelper.loadPluginsClass(pluginHome);
}
public String[] getSpringConfigs() {
final String[] pluginxms = BusiPluginsHelper.getPluginsConfig(PLUGINHOME);
try {
final String ppath = HOME.getCanonicalPath() + File.separator + "config";
SpringAll_xmlDefine define =
new SpringAll_xmlDefine() {
@Override
protected void setCustomerXml(StringBuffer xmlBuf) {
// setPropertyHolder("file:" + ppath + File.separator + "system.properties");
xmlBuf
.append("<import resource=\"")
.append("file:")
.append(ppath)
.append(File.separator);
xmlBuf.append("spring-dao.xml\"/>");
xmlBuf
.append("<import resource=\"")
.append("file:")
.append(ppath)
.append(File.separator);
xmlBuf.append("spring-services.xml\"/>");
if (pluginxms != null && pluginxms.length > 0) {
for (String plugin : pluginxms) {
xmlBuf.append("<import resource=\"").append(plugin).append("\"/>");
}
}
}
};
define.setPropertyHolder("file:" + ppath + File.separator + "system.properties");
String springAllPath = ppath + File.separator + DEFAULT_SPRING_CONFIG;
IOUtil.inputStream2File(IOUtil.str2InputStream(define.getXml()), springAllPath);
File config = new File(springAllPath);
if (config.exists() && config.isFile()) {
return new String[] {"file:" + springAllPath};
} else {
throw new AinbException(Constants.ERR_FRAME_NAME.getValue(), " get spring configs error.");
}
} catch (Exception e) {
throw new AinbException(Constants.ERR_FRAME_NAME.getValue(), " get spring configs error.", e);
}
// if(pluginxms!=null && pluginxms.length>0){
// String[] configs = new String[pluginxms.length + 1];
// configs[0] = DEFAULT_SPRING_CONFIG;
// System.arraycopy(pluginxms, 0, configs, 1, pluginxms.length);
//
// return configs;
// }
// return new String[]{DEFAULT_SPRING_CONFIG};
}
@Override
public void stop() {
try {
if (context != null) {
context.stop();
context.close();
context = null;
}
log.info(LOGNAME, "{} stopped success.");
} catch (Throwable e) {
log.error("{} stopped error:{}", e, LOGNAME);
}
}
public File getHome() {
if (HOME == null) {
String appHome = BusiPluginsHelper.getAppHome();
HOME = BusiPluginsHelper.verifyHome(appHome, NB_FRAME_CONFIG);
}
return HOME;
}
}
