Java Buffer.getByte方法代码示例

import org.vertx.java.core.buffer.Buffer; //导入方法依赖的package包/类
private Action<StompFrame> read_binary_body(final StompFrame frame, final int contentLength) {
    return new Action<StompFrame>() {
        public StompFrame apply() throws IOException {
            Buffer content = readBytes(contentLength + 1);
            if (content != null) {
                if (content.getByte(contentLength) != 0) {
                    throw new IOException("Expected null terminator after " + contentLength + " content bytes");
                }
                frame.content(chomp(content));
                nextDecodeAction = read_action;
                return frame;
            } else {
                return null;
            }
        }
    };
}
 

import org.vertx.java.core.buffer.Buffer; //导入方法依赖的package包/类
@Override
public boolean matches(Buffer buffer) {
    if( buffer.length() >= 6 ) {
      if( buffer.getByte(0) == 0x16 ) { // content type
        return (buffer.getByte(5) == 1) && // Client Hello
        ( (buffer.getByte(1) == 2) // SSLv2
          || (
            buffer.getByte(1)== 3 &&
            isSSLVerions(buffer.getByte(2))
          )
        );
      } else {
        // We have variable header offset..
        return ((buffer.getByte(0) & 0xC0) == 0x80) && // The rest of byte 0 and 1 are holds the record length.
          (buffer.getByte(2) == 1) && // Client Hello
          ( (buffer.getByte(3) == 2) // SSLv2
            || (
              (buffer.getByte(3) == 3) && // SSLv3 or TLS
              isSSLVerions(buffer.getByte(4))
            )
          );
      }
    } else {
      return false;
    }
}
 

import org.vertx.java.core.buffer.Buffer; //导入方法依赖的package包/类
static final public Buffer[] split(Buffer self, byte separator) {
    ArrayList<Buffer> rc = new ArrayList<Buffer>();
    int pos = 0;
    int nextStart = pos;
    int end = self.length();
    while( pos < end ) {
        if( self.getByte(pos)==separator ) {
            if( nextStart < pos ) {
                rc.add(self.getBuffer(nextStart, pos));
            }
            nextStart = pos+1;
        }
        pos++;
    }
    if( nextStart < pos ) {
        rc.add(self.getBuffer(nextStart, pos));
    }
    return rc.toArray(new Buffer[rc.size()]);
}
 

import org.vertx.java.core.buffer.Buffer; //导入方法依赖的package包/类
private String debugMessage(Buffer buffer) {
	StringBuilder sb = new StringBuilder();
	sb.append("(" + (char) buffer.getByte(0) + ") ");
	sb.append("#" + buffer.getInt(1) + ' ');
	for (int i = 5, len = buffer.length(); i < len; i++) {
		byte b = buffer.getByte(i);
		if (b < 32) {
			sb.append(Byte.toString(b) + " ");
		} else if (b > 128) {
			sb.append('?');
		} else {
			sb.append((char) b);
		}
	}
	sb.append("\n Len:" + buffer.length() + "\n");
	return sb.toString();
}
 

import org.vertx.java.core.buffer.Buffer; //导入方法依赖的package包/类
static public String decode(Buffer value) {
    int size = value.length();
    char rc[] = new char[size];
    for (int i = 0; i < size; i++) {
        rc[i] = (char) (value.getByte(i) & 0xFF);
    }
    return new String(rc);
}
 

import org.vertx.java.core.buffer.Buffer; //导入方法依赖的package包/类
static public Buffer trimFront(Buffer self) {
    int length = self.length();
    int pos = 0;
    while ((pos < length) && (self.getByte(pos) <= ' ')) {
        pos++;
    }
    return (pos == 0) ? self : self.getBuffer(pos, length);
}
 

import org.vertx.java.core.buffer.Buffer; //导入方法依赖的package包/类
static public Buffer trimEnd(Buffer self) {
    int length = self.length();
    int pos = length;
    while ( pos > 0 && (self.getByte(pos-1) <= ' ')) {
        pos--;
    }
    return (pos == length-1) ? self : self.getBuffer(0, pos);
}
 

import org.vertx.java.core.buffer.Buffer; //导入方法依赖的package包/类
static public int indexOf(Buffer self, int start, int end, byte value) {
    int max = Math.min(end, self.length());
    for (; start < end ; start++) {
      if (self.getByte(start) == value ) {
          return start;
      }
    }
    return -1;
}
 

import org.vertx.java.core.buffer.Buffer; //导入方法依赖的package包/类
static public boolean matches(Buffer self, int pos, Buffer needle) {
    int needleLength = needle.length();
    for (int i = 0; i < needleLength; i++) {
        if( self.getByte(pos+i) != needle.getByte(i) ) {
            return false;
        }
    }
    return true;
}
 

import org.vertx.java.core.buffer.Buffer; //导入方法依赖的package包/类
/** Called from the Transaction to parse messages from the back-end */
	void dispatch(Buffer buffer, Transaction trx) {
	switch (buffer.getByte(0)) {
	case 'E':
		errorResponse.setBuffer(buffer);
		trx.on(errorResponse);
		break;
	case 'R':
		authenticationRequest.setBuffer(buffer);
		trx.on(authenticationRequest);
		break;
	case 'S':
		parameterStatus.setBuffer(buffer);
		trx.on(parameterStatus);
		break;
	case 'K':
		backendKeyData.setBuffer(buffer);
		trx.on(backendKeyData);
		break;
	case 'Z':
		readyForQuery.setBuffer(buffer);
		trx.on(readyForQuery);
		break;
	case 'C':
		commandComplete.setBuffer(buffer);
		trx.on(commandComplete);
		break;
	case 'T':
		rowDescription.setBuffer(buffer);
		trx.on(rowDescription);
		break;
	case 'D':
		dataRow.setBuffer(buffer);
		trx.on(dataRow);
		break;
	case '1':
		parseComplete.setBuffer(buffer);
		trx.on(parseComplete);
		break;
	case'I':
		emptyQueryResponse.setBuffer(buffer);
		trx.on(emptyQueryResponse);
		break;
	default:
		log.warning("Unknown message" + (char) buffer.getByte(0));
	}
}