如果你的类路径中包含Spring，则可以执行以下操作。
在包中找到所有用XmlRootElement注释的类：
private List<Class> findMyTypes(String basePackage) throws IOException, ClassNotFoundException
{
ResourcePatternResolver resourcePatternResolver = new PathMatchingResourcePatternResolver();
MetadataReaderFactory MetadataReaderFactory = new CachingMetadataReaderFactory(resourcePatternResolver);
List<Class> candidates = new ArrayList<Class>();
String packageSearchPath = ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX +
resolveBasePackage(basePackage) + "/" + "**/*.class";
Resource[] resources = resourcePatternResolver.getResources(packageSearchPath);
for (Resource resource : resources) {
if (resource.isReadable()) {
MetadataReader MetadataReader = MetadataReaderFactory.getMetadataReader(resource);
if (isCandidate(MetadataReader)) {
candidates.add(Class.forName(MetadataReader.getClassMetadata().getClassName()));
}
}
}
return candidates;
}
private String resolveBasePackage(String basePackage) {
return ClassUtils.convertClassNameToResourcePath(SystemPropertyUtils.resolvePlaceholders(basePackage));
}
private boolean isCandidate(MetadataReader MetadataReader) throws ClassNotFoundException
{
try {
Class c = Class.forName(MetadataReader.getClassMetadata().getClassName());
if (c.getAnnotation(XmlRootElement.class) != null) {
return true;
}
}
catch(Throwable e){
}
return false;
}
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