2：void getClassByFilePath(String packageName, String filePath, Set
将文件夹中的全部符合条件的class找到，用到递归。需要将class文件的绝对路径截取成class的全限定名，代码这个样子：
/**
* 在文件夹中递归找出该文件夹中在package中的class
*
* @param packageName
* @param filePath
* @param classes
*/
static void getClassByFilePath(
String packageName,
String filePath,
Set<Class> classes
) {
File targetFile = new File(filePath);
if (!targetFile.exists()) {
return;
}
if (targetFile.isDirectory()) {
File[] files = targetFile.listFiles();
for (File file : files) {
String path = file.getPath();
getClassByFilePath(packageName, path, classes);
}
} else {
//如果是一个class文件
boolean trueClass = filePath.endsWith(CLASS_MARK);
if (trueClass) {
//提取完整的类名
filePath = filePath.replace(SLASH, DOT);
int i = filePath.indexOf(packageName);
String className = filePath.substring(i, filePath.length() - 6);
//不是一个内部类
boolean notInnerClass = className.indexOf("$") == -1;
if (notInnerClass) {
//根据类名加载class对象
Class aClass = ClassUtils.forName(className);
if (aClass != null) {
classes.add(aClass);
}
}
}
}
}
3：void getClassByJarPath(String packageName, String filePath, Set
将jar文件中的全部符合条件的class找到。没啥说的，下面是代码：
/**
* 在jar文件中找出该文件夹中在package中的class
*
* @param packageName
* @param filePath
* @param classes
*/
@SneakyThrows({IOException.class})
static void getClassByJarPath(
String packageName,
String filePath,
Set<Class> classes
) {
JarFile jarFile = new URLJarFile(new File(filePath));
Enumeration<JarEntry> entries = jarFile.entries();
while (entries.hasMoreElements()) {
JarEntry jarEntry = entries.nextElement();
String jarEntryName = jarEntry.getName().replace(SLASH, DOT);
//在package下的class
boolean trueClass = jarEntryName.endsWith(CLASS_MARK) && jarEntryName.startsWith(packageName);
//不是一个内部类
boolean notInnerClass = jarEntryName.indexOf("$") == -1;
if (trueClass && notInnerClass) {
String className = jarEntryName.substring(0, jarEntryName.length() - 6);
System.out.println(className);
//根据类名加载class对象
Class aClass = ClassUtils.forName(className);
if (aClass != null) {
classes.add(aClass);
}
}
}
}
这样，获取包名下的class就写完了～
修改UrlMethodMappingFactory
这里新添加一个方法：
List，将扫描包之后获取到的Class对象作为参数，返回一个UrlMethodMapping集合就好了。代码如下：
/**
* 通过解析Class 获取映射
*
* @param aClass
* @return
*/
public List<UrlMethodMapping> getUrlMethodMappingListByClass(Class<Request> aClass) {
List<UrlMethodMapping> mappings = new ArrayList<>();
Request request = aClass.getDeclaredAnnotation(Request.class);
if (request == null) {
return mappings;
}
String basePath = request.value();
for (Method classMethod : aClass.getDeclaredMethods()) {
UrlMethodMapping urlMethodMapping = getUrlMethodMappingListByMethod(classMethod);
if (urlMethodMapping == null) {
continue;
}
//将添加在class上的Request中的path作为基础路径
String url = UrlUtils.makeUrl(basePath + "/" + urlMethodMapping.getUrl());
urlMethodMapping.setUrl(url);
mappings.add(urlMethodMapping);
}
return mappings;
}
/**
* 通过解析Method 获取映射
* 注解Request不存在时跳出
*
* @param method
* @return
*/
private UrlMethodMapping getUrlMethodMappingListByMethod(Method method) {
Request request = method.getDeclaredAnnotation(Request.class);
if (request == null) {
return null;
}
Class<?> declaringClass = method.getDeclaringClass();
String path = request.value();
for (char c : path.toCharArray()) {
Assert.isTrue(c != ' ', declaringClass + "." + method.getName() + "请求路径异常：" + path + " ！");
}
return getUrlMethodMapping(
path,
request.type(),
declaringClass,
method,
method.getParameterTypes()
);
}
