com.mzt.logapi.starter.support.parse.LogFunctionParser Maven / Gradle / Ivy
package com.mzt.logapi.starter.support.parse;
import com.mzt.logapi.service.IFunctionService;
import lombok.AllArgsConstructor;
import org.apache.logging.log4j.util.Strings;
import org.springframework.util.StringUtils;
import java.util.Map;
/**
* @author muzhantong
* create on 2022/1/5 8:37 下午
*/
@AllArgsConstructor
public class LogFunctionParser {
private IFunctionService functionService;
public String getFunctionReturnValue(Map beforeFunctionNameAndReturnMap, Object value, String expression, String functionName) {
if (StringUtils.isEmpty(functionName)) {
return value == null ? Strings.EMPTY : value.toString();
}
String functionReturnValue = "";
String functionCallInstanceKey = getFunctionCallInstanceKey(functionName, expression);
if (beforeFunctionNameAndReturnMap != null && beforeFunctionNameAndReturnMap.containsKey(functionCallInstanceKey)) {
functionReturnValue = beforeFunctionNameAndReturnMap.get(functionCallInstanceKey);
} else {
functionReturnValue = functionService.apply(functionName, value);
}
return functionReturnValue;
}
/**
* @param functionName 函数名称
* @param paramExpression 解析前的表达式
* @return 函数缓存的key
* 方法执行之前换成函数的结果，此时函数调用的唯一标志：函数名+参数表达式
*/
public String getFunctionCallInstanceKey(String functionName, String paramExpression) {
return functionName + paramExpression;
}
public void setFunctionService(IFunctionService functionService) {
this.functionService = functionService;
}
public boolean beforeFunction(String functionName) {
return functionService.beforeFunction(functionName);
}
}