Example usage for org.apache.thrift.protocol TProtocolException TProtocolException

Introduction

In this page you can find the example usage for org.apache.thrift.protocol TProtocolException TProtocolException.

Prototype

public TProtocolException(String message, Throwable cause) 

Source Link

Usage

From source file:io.nettythrift.protocol.TSimpleJSONProtocol.java

License:Apache License

/**
 * Reading methods.//from  www .  j  a  v a 2  s .  c  o  m
 */
public TMessage readMessageBegin() throws TException {
    byte[] buf = new byte[256];
    ByteArrayOutputStream out = new ByteArrayOutputStream(1024);
    while (true) {
        int readLen = trans_.read(buf, 0, buf.length);
        if (readLen == 0) {
            break;
        }
        out.write(buf, 0, readLen);
        if (readLen < buf.length) {
            break;
        }
    }
    String sb = null;
    try {
        buf = out.toByteArray();
        sb = new String(buf, "UTF-8");
    } catch (UnsupportedEncodingException e1) {
        e1.printStackTrace();
    }
    // System.out.println("? sb=" + sb);
    // TODO JSON ?
    if (sb.charAt(0) != '[' || sb.charAt(sb.length() - 1) != ']') {
        throw new TProtocolException(TProtocolException.INVALID_DATA, "bad format!");
    }
    JSONArray jsonArray = new JSONArray(sb);
    TMessage msg = new TMessage(jsonArray.getString(0), (byte) jsonArray.getInt(1), jsonArray.getInt(2));
    // System.out.println(msg + ", jsonArray.len = " + jsonArray.length());

    if (jsonArray.length() > 3) {
        if (argsTBaseClass == null) {
            try {
                argsTBaseClass = guessTBaseClassByMethodName(msg.name);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        if (argsTBaseClass == null) {
            // throw new
            // TProtocolException(TApplicationException.UNKNOWN_METHOD,
            // "Invalid method name: '" + msg.name + "'");
            return new TMessage(msg.name, TMessageType.EXCEPTION, msg.seqid);
        }
        @SuppressWarnings("unchecked")
        StructMetaData meta = new StructMetaData(TType.STRUCT, argsTBaseClass);
        msgStruct = new BaseArray(meta, (ArrayJson) jsonArray.get(3));
    }
    return msg;
}

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