private boolean doTestIo() throws Exception {
int bytes = readLittleEndianIntFromStdin();
if (bytes == -1) {
return false; // EOF
}
byte[] serializedInput = new byte[bytes];
if (!readFromStdin(serializedInput, bytes)) {
throw new RuntimeException("Unexpected EOF from test program.");
}
Conformance.ConformanceRequest request =
Conformance.ConformanceRequest.parseFrom(serializedInput);
Conformance.ConformanceResponse response = doTest(request);
byte[] serializedOutput = response.toByteArray();
writeLittleEndianIntToStdout(serializedOutput.length);
writeToStdout(serializedOutput);
return true;
}
private Conformance.ConformanceResponse doTest(Conformance.ConformanceRequest request) {
Conformance.TestAllTypes testMessage;
switch (request.getPayloadCase()) {
case PROTOBUF_PAYLOAD:
{
try {
testMessage = Conformance.TestAllTypes.parseFrom(request.getProtobufPayload());
} catch (InvalidProtocolBufferException e) {
return Conformance.ConformanceResponse.newBuilder()
.setParseError(e.getMessage())
.build();
}
break;
}
case JSON_PAYLOAD:
{
try {
Conformance.TestAllTypes.Builder builder = Conformance.TestAllTypes.newBuilder();
JsonFormat.parser()
.usingTypeRegistry(typeRegistry)
.merge(request.getJsonPayload(), builder);
testMessage = builder.build();
} catch (InvalidProtocolBufferException e) {
return Conformance.ConformanceResponse.newBuilder()
.setParseError(e.getMessage())
.build();
}
break;
}
case PAYLOAD_NOT_SET:
{
throw new RuntimeException("Request didn't have payload.");
}
default:
{
throw new RuntimeException("Unexpected payload case.");
}
}
switch (request.getRequestedOutputFormat()) {
case UNSPECIFIED:
throw new RuntimeException("Unspecified output format.");
case PROTOBUF:
return Conformance.ConformanceResponse.newBuilder()
.setProtobufPayload(testMessage.toByteString())
.build();
case JSON:
try {
return Conformance.ConformanceResponse.newBuilder()
.setJsonPayload(
JsonFormat.printer().usingTypeRegistry(typeRegistry).print(testMessage))
.build();
} catch (InvalidProtocolBufferException | IllegalArgumentException e) {
return Conformance.ConformanceResponse.newBuilder()
.setSerializeError(e.getMessage())
.build();
}
default:
{
throw new RuntimeException("Unexpected request output.");
}
}
}