Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 1 | package com.facebook.thrift.protocol; |
| 2 | |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 3 | import com.facebook.thrift.TException; |
| 4 | import com.facebook.thrift.transport.TTransport; |
| 5 | |
| 6 | /** |
| 7 | * Utility class with static methods for interacting with protocol data |
| 8 | * streams. |
| 9 | * |
| 10 | * @author Mark Slee <mcslee@facebook.com> |
| 11 | */ |
| 12 | public class TProtocolUtil { |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 13 | public static void skip(TProtocol prot, TTransport in, byte type) |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 14 | throws TException { |
| 15 | |
| 16 | switch (type) { |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 17 | case TType.BYTE: |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 18 | { |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 19 | prot.readByte(in); |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 20 | } |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 21 | case TType.U32: |
| 22 | case TType.I32: |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 23 | { |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 24 | prot.readI32(in); |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 25 | } |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 26 | case TType.U64: |
| 27 | case TType.I64: |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 28 | { |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 29 | prot.readI64(in); |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 30 | } |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 31 | case TType.STRING: |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 32 | { |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 33 | prot.readString(in); |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 34 | } |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 35 | case TType.STRUCT: |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 36 | { |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 37 | prot.readStructBegin(in); |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 38 | while (true) { |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 39 | TField field = prot.readFieldBegin(in); |
| 40 | if (field.type == TType.STOP) { |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 41 | break; |
| 42 | } |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 43 | skip(prot, in, field.type); |
| 44 | prot.readFieldEnd(in); |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 45 | } |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 46 | prot.readStructEnd(in); |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 47 | } |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 48 | case TType.MAP: |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 49 | { |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 50 | TMap map = prot.readMapBegin(in); |
| 51 | for (int i = 0; i < map.size; i++) { |
| 52 | skip(prot, in, map.keyType); |
| 53 | skip(prot, in, map.valueType); |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 54 | } |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 55 | prot.readMapEnd(in); |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 56 | } |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 57 | case TType.SET: |
| 58 | { |
| 59 | TSet set = prot.readSetBegin(in); |
| 60 | for (int i = 0; i < set.size; i++) { |
| 61 | skip(prot, in, set.elemType); |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 62 | } |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 63 | prot.readSetEnd(in); |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 64 | } |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 65 | case TType.LIST: |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 66 | { |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 67 | TList list = prot.readListBegin(in); |
| 68 | for (int i = 0; i < list.size; i++) { |
| 69 | skip(prot, in, list.elemType); |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 70 | } |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 71 | prot.readListEnd(in); |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 72 | } |
| 73 | default: |
Mark Slee | 530fd66 | 2006-08-09 00:05:18 +0000 | [diff] [blame] | 74 | return; |
Mark Slee | 83c52a8 | 2006-06-07 06:51:18 +0000 | [diff] [blame] | 75 | } |
| 76 | } |
| 77 | } |