WireType.java (2503B)
1 package protobuf; 2 3 /** 4 * Enum representing Protobuf wire types along with their associated possible 5 * Protobuf types. 6 */ 7 public enum WireType { 8 9 /** 10 * Wire type for variable-length integers. 11 */ 12 VARINT(0, "int32", "int64", "uint32", "uint64", "sint32", "sint64", "bool", "enum"), 13 14 /** 15 * Wire type for 64-bit fixed-length values. 16 */ 17 I64(1, "fixed64", "sfixed64", "double"), 18 19 /** 20 * Wire type for length-delimited data (strings, bytes, embedded messages, and 21 * packed repeated fields). 22 */ 23 LEN(2, "string", "bytes", "embedded messages", "packed repeated fields"), 24 25 /** 26 * Wire type for the start of a deprecated group. 27 */ 28 SGROUP(3, "group start (deprecated)"), 29 30 /** 31 * Wire type for the end of a deprecated group. 32 */ 33 EGROUP(4, "group end (deprecated)"), 34 35 /** 36 * Wire type for 32-bit fixed-length values. 37 */ 38 I32(5, "fixed32", "sfixed32", "float"); 39 40 /** 41 * The numeric value associated with the wire type. 42 */ 43 public final int value; 44 45 /** 46 * An array of possible Protobuf types associated with this wire type. 47 */ 48 private final String[] possibleTypes; 49 50 /** 51 * Constructs a WireType enum constant with the specified value and possible 52 * types. 53 * 54 * @param value The numeric value associated with the wire type. 55 * @param possibleTypes An array of possible Protobuf types associated with this 56 * wire type. 57 */ 58 private WireType(int value, String... possibleTypes) { 59 this.value = value; 60 this.possibleTypes = possibleTypes; 61 } 62 63 /** 64 * Gets the possible Protobuf types associated with this wire type. 65 * 66 * @return An array of possible Protobuf types. 67 */ 68 public String[] getPossibleTypes() { 69 return possibleTypes; 70 } 71 72 /** 73 * Returns a string representation of this wire type, including its name and 74 * possible types. 75 * 76 * @return A string representation of this wire type. 77 */ 78 @Override 79 public String toString() { 80 StringBuilder builder = new StringBuilder(); 81 builder.append(this.name()); 82 builder.append(" ("); 83 84 for (int i = 0; i < possibleTypes.length; i++) { 85 if (i > 0) 86 builder.append(", "); 87 builder.append(possibleTypes[i]); 88 builder.append(')'); 89 } 90 builder.append(')'); 91 92 return builder.toString(); 93 } 94 }