Spring框架核心源代码的分析及其感受-2
protected void prepareRefresh() { this.startupDate = System.currentTimeMillis(); synchronized (this.activeMonitor) { this.active = true; } if (logger.isInfoEnabled()) { logger.info("Refreshing " + this); } }?
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protected ConfigurableListableBeanFactory obtainFreshBeanFactory() { refreshBeanFactory(); ConfigurableListableBeanFactory beanFactory = getBeanFactory(); if (logger.isDebugEnabled()) { logger.debug("Bean factory for " + getDisplayName() + ": " + beanFactory); } return beanFactory; }?
protected abstract void refreshBeanFactory() throws BeansException, IllegalStateException;?
public class DefaultResourceLoader implements ResourceLoader { private ClassLoader classLoader; public DefaultResourceLoader() { this.classLoader = ClassUtils.getDefaultClassLoader(); } public DefaultResourceLoader(ClassLoader classLoader) { this.classLoader = classLoader; } public void setClassLoader(ClassLoader classLoader) { this.classLoader = classLoader; } public ClassLoader getClassLoader() { return (this.classLoader != null ? this.classLoader : ClassUtils.getDefaultClassLoader()); } public Resource getResource(String location) { Assert.notNull(location, "Location must not be null"); if (location.startsWith(CLASSPATH_URL_PREFIX)) { return new ClassPathResource(location.substring(CLASSPATH_URL_PREFIX.length()), getClassLoader()); } else { try { URL url = new URL(location); return new UrlResource(url); } catch (MalformedURLException ex) { return getResourceByPath(location); } } } protected Resource getResourceByPath(String path) { return new ClassPathContextResource(path, getClassLoader()); } private static class ClassPathContextResource extends ClassPathResource implements ContextResource { public ClassPathContextResource(String path, ClassLoader classLoader) { super(path, classLoader); } public String getPathWithinContext() { return getPath(); } @Override public Resource createRelative(String relativePath) { String pathToUse = StringUtils.applyRelativePath(getPath(), relativePath); return new ClassPathContextResource(pathToUse, getClassLoader()); } } }?
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@Override protected final void refreshBeanFactory() throws BeansException { if (hasBeanFactory()) { destroyBeans(); closeBeanFactory(); } try { DefaultListableBeanFactory beanFactory = createBeanFactory(); beanFactory.setSerializationId(getId()); customizeBeanFactory(beanFactory); loadBeanDefinitions(beanFactory); synchronized (this.beanFactoryMonitor) { this.beanFactory = beanFactory; } } catch (IOException ex) { throw new ApplicationContextException("I/O error parsing bean definition source for " + getDisplayName(), ex); } }?
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