com.aliyun.mq.http.common.utils.IOUtils Maven / Gradle / Ivy
package com.aliyun.mq.http.common.utils;
import java.io.*;
public class IOUtils {
public static String readStreamAsString(InputStream in, String charset)
throws IOException {
if (in == null)
return "";
Reader reader = null;
Writer writer = new StringWriter();
String result;
char[] buffer = new char[1024];
try {
reader = new BufferedReader(
new InputStreamReader(in, charset));
int n;
while ((n = reader.read(buffer)) > 0) {
writer.write(buffer, 0, n);
}
result = writer.toString();
} finally {
in.close();
if (reader != null) {
reader.close();
}
if (writer != null) {
writer.close();
}
}
return result;
}
public static byte[] readStreamAsBytesArray(InputStream in)
throws IOException {
if (in == null) {
return new byte[0];
}
ByteArrayOutputStream output = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int len;
while ((len = in.read(buffer)) > -1) {
output.write(buffer, 0, len);
}
output.flush();
return output.toByteArray();
}
public static void safeClose(InputStream inputStream) {
if (inputStream != null) {
try {
inputStream.close();
} catch (IOException e) {
}
}
}
public static void safeClose(OutputStream outputStream) {
if (outputStream != null) {
try {
outputStream.close();
} catch (IOException e) {
}
}
}
}