byteConvertInputStream

import java.io.ByteArrayInputStream;

import java.io.ByteArrayOutputStream;

import java.io.IOException;

import java.io.InputStream;

public class InputStreamUtils {

final static int BUFFER_SIZE = 1024;

// 将InputStream转换成String
public static String InputStreamConvertString(InputStream in) throws Exception {

ByteArrayOutputStream outStream = new ByteArrayOutputStream();

byte[] data = new byte[BUFFER_SIZE];

int count = -1;

while ((count = in.read(data, 0, BUFFER_SIZE)) != -1)

outStream.write(data, 0, count);

data = null;

return new String(outStream.toByteArray(), "ISO-8859-1");

}

// 将InputStream转换成某种字符编码的String
public static String InputStreamTOString(InputStream in, String encoding)
throws Exception {

ByteArrayOutputStream outStream = new ByteArrayOutputStream();

byte[] data = new byte[BUFFER_SIZE];

int count = -1;

while ((count = in.read(data, 0, BUFFER_SIZE)) != -1)

outStream.write(data, 0, count);

data = null;

return new String(outStream.toByteArray(), "ISO-8859-1");

}

// 将String转换成InputStream
public static InputStream StringConvertInputStream(String in) throws Exception {

ByteArrayInputStream is = new ByteArrayInputStream(in.getBytes("ISO-8859-1"));

return is;

}

// 将InputStream转换成byte数组
public static byte[] InputStreamConvertByte(InputStream in) throws IOException {

ByteArrayOutputStream outStream = new ByteArrayOutputStream();

byte[] data = new byte[BUFFER_SIZE];

int count = -1;

while ((count = in.read(data, 0, BUFFER_SIZE)) != -1)

outStream.write(data, 0, count);

data = null;

return outStream.toByteArray();

}

// 将byte数组转换成InputStream
public static InputStream byteConvertInput(byte[] in) throws Exception {

ByteArrayInputStream is = new ByteArrayInputStream(in);

return is;

}

// 将byte数组转换成String
public static String byteConvertString(byte[] in) throws Exception {

InputStream is = byteTOInputStream(in);

return InputStreamTOString(is);

}

}