package com.meituan.rc.zeus.aviator.function;
import com.googlecode.aviator.runtime.function.AbstractFunction;
import com.googlecode.aviator.runtime.type.AviatorObject;
import com.googlecode.aviator.runtime.type.AviatorString;
import java.util.Map;
public class GetFirstNonNullFunction extends AbstractFunction {
private AviatorObject firstNonNull(Map<String, Object> env, AviatorObject... args) {
if (args != null) {
for (AviatorObject arg : args) {
if (arg.getValue(env) != null) {
return arg;
}
}
}
return new AviatorString(null);
}
@Override
public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2) {
return firstNonNull(env, arg1, arg2);
}
@Override
public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2, AviatorObject arg3) {
return firstNonNull(env, arg1, arg2, arg3);
}
@Override
public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2, AviatorObject arg3, AviatorObject arg4) {
return firstNonNull(env, arg1, arg2, arg3, arg4);
}
@Override
public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2, AviatorObject arg3, AviatorObject arg4, AviatorObject arg5) {
return firstNonNull(env, arg1, arg2, arg3, arg4, arg5);
}
@Override
public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2, AviatorObject arg3, AviatorObject arg4, AviatorObject arg5, AviatorObject arg6) {
return firstNonNull(env, arg1, arg2, arg3, arg4, arg5, arg6);
}
@Override
public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2, AviatorObject arg3, AviatorObject arg4, AviatorObject arg5, AviatorObject arg6, AviatorObject arg7) {
return firstNonNull(env, arg1, arg2, arg3, arg4, arg5, arg6, arg7);
}
@Override
public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2, AviatorObject arg3, AviatorObject arg4, AviatorObject arg5, AviatorObject arg6, AviatorObject arg7, AviatorObject arg8) {
return firstNonNull(env, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8);
}
@Override
public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2, AviatorObject arg3, AviatorObject arg4, AviatorObject arg5, AviatorObject arg6, AviatorObject arg7, AviatorObject arg8, AviatorObject arg9) {
return firstNonNull(env, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9);
}
@Override
public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2, AviatorObject arg3, AviatorObject arg4, AviatorObject arg5, AviatorObject arg6, AviatorObject arg7, AviatorObject arg8, AviatorObject arg9, AviatorObject arg10) {
return firstNonNull(env, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10);
}
@Override
public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2, AviatorObject arg3, AviatorObject arg4, AviatorObject arg5, AviatorObject arg6, AviatorObject arg7, AviatorObject arg8, AviatorObject arg9, AviatorObject arg10, AviatorObject arg11) {
return firstNonNull(env, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11);
}
@Override
public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2, AviatorObject arg3, AviatorObject arg4, AviatorObject arg5, AviatorObject arg6, AviatorObject arg7, AviatorObject arg8, AviatorObject arg9, AviatorObject arg10, AviatorObject arg11, AviatorObject arg12) {
return firstNonNull(env, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12);
}
@Override
public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2, AviatorObject arg3, AviatorObject arg4, AviatorObject arg5, AviatorObject arg6, AviatorObject arg7, AviatorObject arg8, AviatorObject arg9, AviatorObject arg10, AviatorObject arg11, AviatorObject arg12, AviatorObject arg13) {
return firstNonNull(env, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13);
}
@Override
public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2, AviatorObject arg3, AviatorObject arg4, AviatorObject arg5, AviatorObject arg6, AviatorObject arg7, AviatorObject arg8, AviatorObject arg9, AviatorObject arg10, AviatorObject arg11, AviatorObject arg12, AviatorObject arg13, AviatorObject arg14) {
return firstNonNull(env, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14);
}
@Override
public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2, AviatorObject arg3, AviatorObject arg4, AviatorObject arg5, AviatorObject arg6, AviatorObject arg7, AviatorObject arg8, AviatorObject arg9, AviatorObject arg10, AviatorObject arg11, AviatorObject arg12, AviatorObject arg13, AviatorObject arg14, AviatorObject arg15) {
return firstNonNull(env, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14, arg15);
}
@Override
public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2, AviatorObject arg3, AviatorObject arg4, AviatorObject arg5, AviatorObject arg6, AviatorObject arg7, AviatorObject arg8, AviatorObject arg9, AviatorObject arg10, AviatorObject arg11, AviatorObject arg12, AviatorObject arg13, AviatorObject arg14, AviatorObject arg15, AviatorObject arg16) {
return firstNonNull(env, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14, arg15, arg16);
}
@Override
public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2, AviatorObject arg3, AviatorObject arg4, AviatorObject arg5, AviatorObject arg6, AviatorObject arg7, AviatorObject arg8, AviatorObject arg9, AviatorObject arg10, AviatorObject arg11, AviatorObject arg12, AviatorObject arg13, AviatorObject arg14, AviatorObject arg15, AviatorObject arg16, AviatorObject arg17) {
return firstNonNull(env, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14, arg15, arg16, arg17);
}
@Override
public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2, AviatorObject arg3, AviatorObject arg4, AviatorObject arg5, AviatorObject arg6, AviatorObject arg7, AviatorObject arg8, AviatorObject arg9, AviatorObject arg10, AviatorObject arg11, AviatorObject arg12, AviatorObject arg13, AviatorObject arg14, AviatorObject arg15, AviatorObject arg16, AviatorObject arg17, AviatorObject arg18) {
return firstNonNull(env, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14, arg15, arg16, arg17, arg18);
}
@Override
public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2, AviatorObject arg3, AviatorObject arg4, AviatorObject arg5, AviatorObject arg6, AviatorObject arg7, AviatorObject arg8, AviatorObject arg9, AviatorObject arg10, AviatorObject arg11, AviatorObject arg12, AviatorObject arg13, AviatorObject arg14, AviatorObject arg15, AviatorObject arg16, AviatorObject arg17, AviatorObject arg18, AviatorObject arg19) {
return firstNonNull(env, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14, arg15, arg16, arg17, arg18, arg19);
}
@Override
public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2, AviatorObject arg3, AviatorObject arg4, AviatorObject arg5, AviatorObject arg6, AviatorObject arg7, AviatorObject arg8, AviatorObject arg9, AviatorObject arg10, AviatorObject arg11, AviatorObject arg12, AviatorObject arg13, AviatorObject arg14, AviatorObject arg15, AviatorObject arg16, AviatorObject arg17, AviatorObject arg18, AviatorObject arg19, AviatorObject arg20) {
return firstNonNull(env, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14, arg15, arg16, arg17, arg18, arg19, arg20);
}
@Override
public AviatorObject call(Map<String, Object> env, AviatorObject arg1, AviatorObject arg2, AviatorObject arg3, AviatorObject arg4, AviatorObject arg5, AviatorObject arg6, AviatorObject arg7, AviatorObject arg8, AviatorObject arg9, AviatorObject arg10, AviatorObject arg11, AviatorObject arg12, AviatorObject arg13, AviatorObject arg14, AviatorObject arg15, AviatorObject arg16, AviatorObject arg17, AviatorObject arg18, AviatorObject arg19, AviatorObject arg20, AviatorObject... args) {
AviatorObject result = firstNonNull(env, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14, arg15, arg16, arg17, arg18, arg19, arg20);
if (result.getValue(env) != null) {
return result;
} else {
return firstNonNull(env, args);
}
}
@Override
public String getName() {
return "getFirstNonNull";
}
}
但在执行表达式调用时发现超过20个参数时,无论如何都会返回null,调试发现在ClassExpression类中execute方法调用execute0(env)时抛出了NoSuchMethodError,经查看ASMCodeGenerator类中的方法:
发现在getInvokeMethodDesc方法中并未有对参数超过20个时做额外处理转化为数组的代码,因此猜测(当然只是猜测)您是否忽略了参数超过了20个参数时对于反射调用可变参数时的处理,如果是这样,请问能不能支持一下这个特性?(长篇大论了些,请见谅!!!)