/** *
- @author Andy.Chen
*/ public class InputStreamUtils {
final static int BUFFER_SIZE = 4096;/** * 将InputStream转换成String * @param in InputStream * @return String * @throws Exception * */public static String InputStreamTOString(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 * @param in * @param encoding * @return * @throws Exception */ 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 * @param in * @return * @throws Exception */public static InputStream StringTOInputStream(String in) throws Exception{ ByteArrayInputStream is = new ByteArrayInputStream(in.getBytes("ISO-8859-1")); return is;}/** * 将InputStream转换成byte数组 * @param in InputStream * @return byte[] * @throws IOException */public static byte[] InputStreamTOByte(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 * @param in * @return * @throws Exception */public static InputStream byteTOInputStream(byte[] in) throws Exception{ ByteArrayInputStream is = new ByteArrayInputStream(in); return is;}/** * 将byte数组转换成String * @param in * @return * @throws Exception */public static String byteTOString(byte[] in) throws Exception{ InputStream is = byteTOInputStream(in); return InputStreamTOString(is);}
}