com.alibaba.metrics.os.utils.FileUtils Maven / Gradle / Ivy
package com.alibaba.metrics.os.utils;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
public class FileUtils {
/**
* Read the content of file
* @param path the path to file
* @return the file content as string
*/
public static String readFile(String path) {
BufferedReader reader = null;
StringBuffer sb = new StringBuffer();
try {
reader = new BufferedReader(new FileReader(new File(path)));
String line;
while ((line = reader.readLine()) != null) {
sb.append(line + "\n");
}
} catch (Exception e) {
return e.getMessage();
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException e) {
// ignore
}
}
}
return sb.toString();
}
/**
* Read the content of file
* @param path the path to file
* @return the file content as string
*/
public static List readFileAsStringArray(String path) throws IOException {
BufferedReader reader = null;
List lines = new ArrayList();
try {
File p = new File(path);
if (!p.exists()) {
return lines;
}
reader = new BufferedReader(new FileReader(new File(path)));
String line;
while ((line = reader.readLine()) != null) {
lines.add(line);
}
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException e) {
// ignore
}
}
}
return lines;
}
}