标签：dex nbu oid inf set ide text stat mob
import com.google.common.reflect.TypeToken;import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.*;
@RestController
public class EchoController implements ApplicationContextAware {
private static final Gson GSON = new GsonBuilder().disableHtmlEscaping().create();
private ApplicationContext applicationContext;
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
this.applicationContext = applicationContext;
}//applicationContext中的对象反射调用，data为请求参数(LinkedHashMap的json格式，其中key为类型的全限定名)
@RequestMapping(method = RequestMethod.POST, value = "/invoke")
public String invoke(String obj, String methodName, @RequestParam(value = "data", required = false) String data) {
try {
Object object = getObj(applicationContext, obj);
LinkedHashMap<String, Object> linkedHashMap = StringUtils.isBlank(data) ?
new LinkedHashMap<>() : GSON.fromJson(data, new TypeToken<LinkedHashMap<String, Object>>() {
}.getType());
Object[] args = linkedMap2args(linkedHashMap);
try {
Object invoke = MethodUtils.invokeMethod(object, methodName, args);
return GSON.toJson(invoke);
} catch (Exception e) {
Method[] declaredMethods = object.getClass().getDeclaredMethods();
for (Method m : declaredMethods) {
if (m.getName().equals(methodName)) {
m.setAccessible(true);
Object invoke = m.invoke(object, args);
return GSON.toJson(invoke);
}
}
for (Class parentClass = object.getClass().getSuperclass(); parentClass != null; parentClass = parentClass.getSuperclass()) {
Method[] parentMethods = parentClass.getDeclaredMethods();
for (Method m : parentMethods) {
if (m.getName().equals(methodName)) {
m.setAccessible(true);
Object invoke = m.invoke(object, args);
return GSON.toJson(invoke);
}
}
}
throw new RuntimeException("未找到方法：" + methodName);
}
} catch (Exception e) {
return e.getMessage();
}
}
private Object[] linkedMap2args(LinkedHashMap<String, Object> linkedHashMap) {
if (CollectionUtils.isEmpty(linkedHashMap)) {
return null;
} else {
List<Object> args = new ArrayList<>();
linkedHashMap.entrySet().forEach(stringObjectEntry -> {
String type = stringObjectEntry.getKey().split("_")[0];
Class<?> clazz = null;
try {
clazz = Class.forName(type);
} catch (ClassNotFoundException e) {
throw new RuntimeException(e);
}
Object arg = GSON.fromJson(GSON.toJson(stringObjectEntry.getValue()), clazz);
args.add(arg);
});
return args.toArray();
}
}//applicationContext中的对象属性访问，例如bean.field1.field2.passwordbr/>@RequestMapping("/getObj")
public String getObj(String obj) {
Object object = getObj(applicationContext, obj);
return obj2String(object);
}
public static String obj2String(Object o) {
if (String.class.equals(o.getClass())
|| Enum.class.equals(o.getClass())
|| Date.class.equals(o.getClass())
|| Long.class.equals(o.getClass())
|| long.class.equals(o.getClass())
|| Integer.class.equals(o.getClass())
|| int.class.equals(o.getClass())
|| Double.class.equals(o.getClass())
|| double.class.equals(o.getClass())
|| Float.class.equals(o.getClass())
|| float.class.equals(o.getClass())
|| Short.class.equals(o.getClass())
|| short.class.equals(o.getClass())
|| Boolean.class.equals(o.getClass())
|| boolean.class.equals(o.getClass())
) {
return String.valueOf(o);
} else {
StringBuilder sb = new StringBuilder();
Field[] allFields = FieldUtils.getAllFields(o.getClass());
for (Field field : allFields) {
sb.append(field.getName());
sb.append("\n");
}
return sb.toString();
}
}
private static Object getObj(ApplicationContext ac, String propAccessChain) {
Object o = null;
if (StringUtils.isBlank(propAccessChain)) {
return "参数不能为空";
}
String[] split = propAccessChain.split("\\.");
try {
o = ac.getBean(split[0]);
} catch (Exception e) {
System.out.println("获取对象" + split[0] + "失败");
return "对象" + split[0] + "不存在";
}
int index = propAccessChain.indexOf(".") + 1;
return index > 0 ? getObj(o, propAccessChain.substring(index)) : o;
}
private static Object getObj(Object o, String propAccessChainFromObj) {
String[] split = propAccessChainFromObj.split("\\.");
for (String next : split) {
try {
if (next.contains("(") && next.contains(")")) {
try {
String desc = next.substring(0, next.indexOf("("));
String key = next.substring(next.indexOf("(") + 1, next.indexOf(")"));
Object listOrMap = FieldUtils.readField(o, desc, true);
if (Map.class.isAssignableFrom(listOrMap.getClass())) {
o = ((Map) listOrMap).get(key);
} else if (List.class.isAssignableFrom(listOrMap.getClass())) {
o = ((List) listOrMap).get(Integer.parseInt(key));
} else {
Object[] cast = Object[].class.cast(listOrMap);
o = cast[Integer.parseInt(key)];
}
} catch (Exception e) {
System.out.println("获取属性" + next + "失败");
}
} else {
try {
o = FieldUtils.readField(o, next, true);
} catch (Exception e) {
System.out.println("获取属性" + next + "失败");
}
}
} catch (Exception e) {
throw new RuntimeException("获取属性" + next + "失败");
}
}
return o;
}}
标签：dex nbu oid inf set ide text stat mob
原文地址：https://blog.51cto.com/12165865/2506677
