farm.nurture.laminar.generator.ast.javalang.AstGrpcServerSelect Maven / Gradle / Ivy
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/*
* Copyright 2022 Nurture.Farm
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package farm.nurture.laminar.generator.ast.javalang;
import static farm.nurture.laminar.generator.Constants.JAVA_SQL_DATE;
import static farm.nurture.laminar.generator.Constants.JAVA_SQL_TIMESTAMP;
import static farm.nurture.laminar.generator.Constants.PARAM_VALUES;
import static farm.nurture.laminar.generator.Constants.PROTO_TYPE_BYTES;
import static farm.nurture.laminar.generator.Constants.PROTO_TYPE_DOUBLE;
import static farm.nurture.laminar.generator.Constants.PROTO_TYPE_FLOAT;
import static farm.nurture.laminar.generator.Constants.REQUEST_GET;
import static farm.nurture.laminar.generator.Constants.SERVICE_NAME;
import static farm.nurture.laminar.generator.Constants.SERVICE_REQ;
import static farm.nurture.laminar.generator.Constants.SERVICE_RES;
import static farm.nurture.laminar.generator.Constants.STRING;
import farm.nurture.laminar.generator.AppConfigVO;
import farm.nurture.laminar.generator.FieldDetail;
import farm.nurture.laminar.generator.TemplatesVO;
import farm.nurture.laminar.generator.ast.AstBase;
import java.util.List;
public class AstGrpcServerSelect extends AstBase {
private String ServiceGrpcServerSelectF =
TemplatesVO.getTEMPLATE_DIR() + "/java/ServiceGrpcServerSelect.template";
private String ServiceGrpcServerSelect = readTemplateFile(ServiceGrpcServerSelectF);
private String ServiceGrpcServerSelectImplF =
TemplatesVO.getTEMPLATE_DIR() + "/java/ServiceGrpcServerSelectImpl.template";
private String ServiceGrpcServerSelectImpl = readTemplateFile(ServiceGrpcServerSelectImplF);
StringBuilder serverSelectContent;
public AstGrpcServerSelect(StringBuilder serverSelectContent) {
this.serverSelectContent = serverSelectContent;
}
@Override
public void onEntry(
AppConfigVO entry, List requestFields, List responseFields) {
if (!entry.isMutation()) {
selectResponse(entry, requestFields);
}
}
void selectResponse(AppConfigVO entry, List requestFields) {
StringBuilder grpcServerParamValues = new StringBuilder(512);
parameterHandling(entry.getReqName(), requestFields, grpcServerParamValues);
if (entry.isDeclGrpc()) {
String commentImpl = (entry.isImplGrpc()) ? "" : "//";
serverSelectContent
.append('\n')
.append(
ServiceGrpcServerSelect.replace(SERVICE_NAME, entry.getTitle())
.replace(SERVICE_REQ, entry.getReqName())
.replace(SERVICE_RES, entry.getResName())
.
// replace("@paramValues@",
// grpcServerParamValues.toString()).
replace("@grpc_impl@", commentImpl))
.append('\n');
}
if (entry.isImplGrpc()) {
String addRecords =
(entry.isSqlUniquekey())
? "for ( @service_response@VO vo : recordList) { responseBuilder.setRecords(vo.buildProto()); break; }"
: "for ( @service_response@VO vo : recordList) responseBuilder.addRecords(vo.buildProto());";
StringBuilder sqlReplaceConent = new StringBuilder();
replaceSql(entry.getSqlReplaces(), sqlReplaceConent);
serverSelectContent
.append('\n')
.append(
ServiceGrpcServerSelectImpl.replace(SERVICE_NAME, entry.getTitle())
.replace("@add_records@", addRecords)
.replace(SERVICE_REQ, entry.getReqName())
.replace(SERVICE_RES, entry.getResName())
.replace("@sqlreplace@", sqlReplaceConent.toString())
.replace(PARAM_VALUES, grpcServerParamValues.toString()))
.append('\n');
}
}
void parameterHandling(
String requestName, List paramDetails, StringBuilder grpcServerParamValues) {
if (!paramDetails.isEmpty()) {
grpcServerParamValues.append("paramValues = new Object[] {");
boolean isFirst = true;
for (FieldDetail aParam : paramDetails) {
String fldName = aParam.getFldNameCamel();
if (isFirst) isFirst = false;
else grpcServerParamValues.append(',');
String getSetSuffix = Character.toUpperCase(fldName.charAt(0)) + fldName.substring(1);
if (aParam.getJavaType().equals(JAVA_SQL_DATE))
grpcServerParamValues.append(" new java.sql.Date(request.get")
.append(getSetSuffix).append("() )");
else if (aParam.getJavaType().equals(JAVA_SQL_TIMESTAMP))
grpcServerParamValues.append(" new java.sql.Timestamp(request.get")
.append(getSetSuffix).append("() )");
else if (aParam.getProtoType().equals(PROTO_TYPE_BYTES))
grpcServerParamValues.append(" (request.get").append(getSetSuffix)
.append("().toByteArray() )");
else if (aParam.getProtoType().startsWith("enum "))
grpcServerParamValues.append(REQUEST_GET).append(getSetSuffix)
.append("().name() ");
else if (aParam.getProtoType().contains("int") && "offset".equalsIgnoreCase(getSetSuffix))
grpcServerParamValues.append(REQUEST_GET).append(getSetSuffix).append("() ");
else if (aParam.getProtoType().equals(PROTO_TYPE_DOUBLE)
|| aParam.getProtoType().equals(PROTO_TYPE_FLOAT)
|| aParam.getProtoType().contains("int")
|| aParam.getProtoType().contains("fixed"))
grpcServerParamValues.append(REQUEST_GET).append(getSetSuffix)
.append("() != 0 ? request.get").append(getSetSuffix).append("() : null");
else if (aParam.getProtoType().equals(STRING))
grpcServerParamValues.append("StringUtils.isNonEmpty(request.get")
.append(getSetSuffix).append("()) ? request.get").append(getSetSuffix)
.append("() : null");
else grpcServerParamValues.append(REQUEST_GET + getSetSuffix + "() ");
}
grpcServerParamValues.append("};");
}
}
}
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