- public class InputStreamUtils {
- final static int BUFFER_SIZE = 4096;
- /**
- * 將InputStream轉換成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");
- }
- /**
- * 將InputStream轉換成某種字符編碼的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");
- }
- /**
- * 將String轉換成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;
- }
- /**
- * 將InputStream轉換成byte數組
- * @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();
- }
- /**
- * 將byte數組轉換成InputStream
- * @param in
- * @return
- * @throws Exception
- */
- public static InputStream byteTOInputStream(byte[] in) throws Exception{
- ByteArrayInputStream is = new ByteArrayInputStream(in);
- return is;
- }
- /**
- * 將byte數組轉換成String
- * @param in
- * @return
- * @throws Exception
- */
- public static String byteTOString(byte[] in) throws Exception{
- InputStream is = byteTOInputStream(in);
- return InputStreamTOString(is);
- }
- }
InputStream String與byte數組之間的互轉
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