/**
* read utf-16 encoding str, use zero char to end str.
*
* @param in
* @param strLen
* @return
* @throws IOException
*/
public static String readStringUTF16(TellableInputStream in, int strLen) throws IOException {
String str = in.readStringUTF16(strLen);
for (int i = 0; i < str.length(); i++) {
char c = str.charAt(i);
if (c == 0) {
return str.substring(0, i);
}
}
return str;
}
/** read string from input stream. if get EOF before read enough data, throw IOException. */
public static String readString(TellableInputStream in, StringEncoding encoding)
throws IOException {
if (encoding == StringEncoding.UTF8) {
// The lengths are encoded in the same way as for the 16-bit format
// but using 8-bit rather than 16-bit integers.
int strLen = readLen(in);
int bytesLen = readLen(in);
byte[] bytes = in.readBytes(bytesLen);
String str = new String(bytes, "UTF-8");
// zero
int trailling = in.readUByte();
return str;
} else {
// The length is encoded as either one or two 16-bit integers as per the commentRef...
int strLen = readLen16(in);
String str = in.readStringUTF16(strLen);
// zero
int trailling = in.readUShort();
return str;
}
}