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我想根据递增的时间戳和递减的严重性对下面的日志文件进行排序。下面是我的Input.txt,我想将输出写入另一个文件。附加了我的Java代码。请提出来解决这个按升序和降序对文件内容进行排序
[2015-11-19 10:33:54.934+0000] [HOST1] [INFO] [CLASS1] [MESSAGE1 something]
[2015-11-19 10:31:55.128+0000] [HOST2] [ERROR] [CLASS2] [MESSAGE2 random]
[2015-11-19 10:31:55.128+0000] [HOST3] [INFO] [CLASS6] [MESSAGE5 from another host]
[2015-11-19 10:37:55.246+0000] [HOST2] [WARN] [CLASS9] [MESSAGE9 again]
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collections;
public class SortLogFile {
public static void main(String[] args) throws IOException {
BufferedReader reader = null;
PrintWriter outputStream = null;
ArrayList<String> rows = new ArrayList<String>();
try {
reader = new BufferedReader(new FileReader("Input.txt"));
outputStream = new PrintWriter(new FileWriter("Output.txt"));
String file;
while ((file = reader.readLine()) != null) {
rows.add(file);
}
Collections.sort(rows);
String[] strArr = rows.toArray(new String[0]);
for (String cur : strArr)
outputStream.println(cur);
} finally {
if (reader != null) {
inputStream.close();
}
if (outputStream != null) {
outputStream.close();
}
}
}
}
请格式化您的代码.. – HCarrasko