mybatis拦截器获取sql

package com.icourt.alpha.log.interceptor;

import org.apache.ibatis.executor.Executor;
import org.apache.ibatis.mapping.BoundSql;
import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.mapping.ParameterMapping;
import org.apache.ibatis.plugin.*;
import org.apache.ibatis.reflection.MetaObject;
import org.apache.ibatis.session.Configuration;
import org.apache.ibatis.session.ResultHandler;
import org.apache.ibatis.session.RowBounds;
import org.apache.ibatis.type.TypeHandlerRegistry;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.text.DateFormat;
import java.util.*;
import java.util.regex.Matcher;

/**
* 用于记录mybatis中的sql中不包含officeId的sql
* Created by shiwen on 2017/9/12.
* <p>
*/

@Intercepts({
@Signature(type = Executor.class, method = "update", args = {MappedStatement.class, Object.class}),
@Signature(type = Executor.class, method = "query", args = {MappedStatement.class, Object.class,
RowBounds.class, ResultHandler.class})})
public class MybatisSqlInterceptor implements Interceptor {

private static final Logger logger = LoggerFactory.getLogger(MybatisSqlInterceptor.class);
private static final Logger sqlLogger = LoggerFactory.getLogger("mybatisSql");

private static String [] officeIdNames = new String[]{"OFFICE_ID","OFFICEID","PK_OFFICE_ID"};

@Override
public Object intercept(Invocation invocation) throws Throwable {
try {
MappedStatement mappedStatement = (MappedStatement) invocation.getArgs()[0];

//0.sql参数获取
Object parameter = null;
if (invocation.getArgs().length > 1) {
parameter = invocation.getArgs()[1];
}

//1.获取sqlId
String sqlId = mappedStatement.getId();
BoundSql boundSql = mappedStatement.getBoundSql(parameter);

Configuration configuration = mappedStatement.getConfiguration();

//获取真实的sql语句
String sql = getSql(configuration, boundSql, sqlId, 0);

//2.判断是否有officeId
if (hasOfficeId(sql,officeIdNames)) {
sqlLogger.warn("{}", sql);
} else {
sqlLogger.debug("{}", sql);
}
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
return invocation.proceed();
}

/**
* 判断sql语句中是否包含officeId字段
*
* @param sql sql语句
* @return
*/
private boolean hasOfficeId(String sql,String[] officeIdNames) {
//office ID 的可能名称
if (sql == null || sql.trim().length() == 0) {
return false;
}

String afterWhereStatement = sql.toUpperCase().substring(sql.indexOf("where"));

for (String officeIdName : officeIdNames){
if(afterWhereStatement.indexOf(officeIdName) > 0){
return true;
}
}

return false;
}

@Override
public Object plugin(Object o) {
return Plugin.wrap(o, this);
}

@Override
public void setProperties(Properties properties) {

}

private static String getSql(Configuration configuration, BoundSql boundSql,
String sqlId, long time) {
String sql = showSql(configuration, boundSql);
StringBuilder str = new StringBuilder(100);
str.append(sqlId);
str.append(":");
str.append(sql);
return str.toString();
}

private static String getParameterValue(Object obj) {
String value = null;
if (obj instanceof String) {
value = "'" + obj.toString() + "'";
} else if (obj instanceof Date) {
DateFormat formatter = DateFormat.getDateTimeInstance(
DateFormat.DEFAULT, DateFormat.DEFAULT, Locale.CHINA);
value = "'" + formatter.format(new Date()) + "'";
} else {
if (obj != null) {
value = obj.toString();
} else {
value = "";
}

}
return value;
}

private static String showSql(Configuration configuration, BoundSql boundSql) {
Object parameterObject = boundSql.getParameterObject();
List<ParameterMapping> parameterMappings = boundSql.getParameterMappings();
String sql = boundSql.getSql().replaceAll("[\\s]+", " ");
if (!parameterMappings.isEmpty() && parameterObject != null) {
TypeHandlerRegistry typeHandlerRegistry = configuration
.getTypeHandlerRegistry();
if (typeHandlerRegistry.hasTypeHandler(parameterObject.getClass())) {
sql = sql.replaceFirst("\\?",
Matcher.quoteReplacement(getParameterValue(parameterObject)));

} else {
MetaObject metaObject = configuration
.newMetaObject(parameterObject);
for (ParameterMapping parameterMapping : parameterMappings) {
String propertyName = parameterMapping.getProperty();
if (metaObject.hasGetter(propertyName)) {
Object obj = metaObject.getValue(propertyName);
sql = sql.replaceFirst("\\?", Matcher.quoteReplacement(getParameterValue(obj)));
} else if (boundSql.hasAdditionalParameter(propertyName)) {
Object obj = boundSql
.getAdditionalParameter(propertyName);
sql = sql.replaceFirst("\\?", Matcher.quoteReplacement(getParameterValue(obj)));
} else {
sql = sql.replaceFirst("\\?", "缺失");
}//打印出缺失，提醒该参数缺失并防止错位
}
}
}
return sql;
}
}