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import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.logging.log4j.util.Strings;
import org.springframework.util.ObjectUtils;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.text.NumberFormat;
import java.util.*;
import java.util.concurrent.*;
import java.util.stream.Collectors;
import java.util.stream.Stream;
@Slf4j
public class TestCrudLine {
@org.junit.Test
public void Test1() throws Exception {
ExecutorService executorService = Executors.newFixedThreadPool(8);
Stream<Path> pathStream = Files.find(Paths.get("D:", "dev", "xxx"), Integer.MAX_VALUE,
(path, attr) -> path.getFileName().toString().endsWith(".xml")
&&!path.toString().contains("target")
&&!path.toString().contains(".idea")
);
List<List<CrudVo>> sum = Lists.newArrayList();
pathStream.forEach(e->{
Future<List<CrudVo>> submit = executorService.submit(new GetCrudLines(e.toString()));
try {
Optional.of(submit.get()).ifPresent(sum::add);
} catch (InterruptedException e1) {
e1.printStackTrace();
} catch (ExecutionException e1) {
e1.printStackTrace();
}
});
List<CrudVo> res = sum.parallelStream().flatMap(Collection::stream).collect(Collectors.toList());
System.out.println("汇总的sql对象："+res);
int size = res.size();
Map<String, LongSummaryStatistics> collect1 = res.stream().collect(Collectors.groupingBy(CrudVo::getType, Collectors.summarizingLong(CrudVo::getLines)));
for(Map.Entry<String, LongSummaryStatistics> entries : collect1.entrySet()){
LongSummaryStatistics value = entries.getValue();
System.out.println();
System.out.println("SQL类型:"+entries.getKey());
System.out.println("求和:"+value.getSum());
System.out.println("求平均值:"+value.getAverage());
System.out.println("求最大值:"+value.getMax());
System.out.println("求最小值:"+value.getMin());
System.out.println("求总数:"+value.getCount());
}
NumberFormat instance = NumberFormat.getInstance();
instance.setMaximumFractionDigits(2);
Map<String, LongSummaryStatistics> collect2 = res.stream().collect(Collectors.groupingBy(CrudVo::getComplexity, Collectors.summarizingLong(CrudVo::getLines)));
for(Map.Entry<String, LongSummaryStatistics> entries : collect2.entrySet()){
LongSummaryStatistics value = entries.getValue();
System.out.println();
System.out.println("复杂度:"+entries.getKey());
System.out.println("求总数:"+value.getCount());
System.out.println("占比:"+instance.format((float)value.getCount()/(float)size*100)+"%");
}
}
class GetCrudLines implements Callable<List<CrudVo>>{
String path;
public GetCrudLines(String xmlPath) {
this.path = xmlPath;
}
@Override
public List<CrudVo> call() throws Exception {
return getCrudLinesDo(this.path);
}
public String getId(String key,String s){
try {
int i = s.indexOf(key + "=\"") + key.length() + 2;
String substring = s.substring(i);
int i1 = substring.indexOf("\"");
String id = substring.substring(0, i1);
return id;
}catch (Exception e){
return "";
}
}
private List<CrudVo> getCrudLinesDo(String path) throws IOException {
List<CrudVo> res = Lists.newArrayList();
BufferedReader bufferedReader = new BufferedReader(new FileReader(path));
String str = null,sqlIdStr=null;
int lineStart = 0,sqlIdStart=0;
List<String> filterStr = Arrays.asList("insert", "delete", "update", "select");
Map<String,Integer> sqlFeild = Maps.newHashMap();
CrudVo crudVo=null;
while((str = bufferedReader.readLine()) != null){
String s = Strings.trimToNull(str);
if(ObjectUtils.isEmpty(s)){continue;}
if(s.startsWith("<sql")){
sqlIdStr =getId("id",s);
sqlFeild.put(sqlIdStr,0);
sqlIdStart=0;
}
sqlIdStart++;
if(s.endsWith("</sql>")){
sqlFeild.put(sqlIdStr,sqlIdStart-2);
}
String s1 = filterStr.stream().filter(e -> s.contains("<" + e)).findAny().orElse("");
if(!ObjectUtils.isEmpty(s1)){
crudVo = new CrudVo();
crudVo.setType(s1);
crudVo.setId(getId("id",s));
lineStart = 0;
}
lineStart++;
if(s.startsWith("<include")){
try {
lineStart += sqlFeild.get(getId("refid", s));
}catch (Exception e){
}
}
String s2 = filterStr.stream().filter(e -> s.contains("</" + e)).findAny().orElse("");
if(!ObjectUtils.isEmpty(s2)){
int lines = lineStart - 2;
crudVo.setLines(lines);
if(lines<30){
crudVo.setComplexity("简单");
}else if(lines<60&&lines>=30){
crudVo.setComplexity("一般");
}else if(lines<100&&lines>=60){
crudVo.setComplexity("较难");
}else{
crudVo.setComplexity("难");
}
res.add(crudVo);
}
}
return res;
}
}
@Data
@AllArgsConstructor
@NoArgsConstructor
class CrudVo{
String id;
String type;
int lines;
String complexity;
@Override
public String toString() {
return "{" +
"'id':'" + id + '\'' +
", 'type':'" + type + '\'' +
", 'lines':" + lines +
", 'complexity':" + complexity +
'}';
}
}
}
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