com.wavemaker.runtime.data.util.ProceduresUtils Maven / Gradle / Ivy
/**
* Copyright (C) 2020 WaveMaker, Inc.
*
* 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 com.wavemaker.runtime.data.util;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import com.wavemaker.runtime.data.model.CustomProcedureParam;
import com.wavemaker.runtime.data.model.procedures.ProcedureParameter;
/**
* @author sowmyad
*/
public class ProceduresUtils {
private static final String PARAM = "{param}";
private static final String PROCEDURE_PARAM_PATTERN = "(\\:" + PARAM + ")([\\s*,]|[\\s*|,]|[\\s*\\)?]|[\\s*|\\)?]|$)";
private static final String PROCEDURE_PARAM_REPLACE_STRING = "?";
public static boolean hasOutParam(List customProcedureParams) {
for (CustomProcedureParam customProcedureParam : customProcedureParams) {
if (customProcedureParam.getProcedureParamType().isOutParam()) {
return true;
}
}
return false;
}
public static String jdbcComplianceProcedure(String procedureStr, List params) {
Set names = new HashSet<>();
for (int i = 0; i < params.size(); i++) {
final ProcedureParameter param = params.get(i);
names.add(param.getName());
}
return jdbcComplianceProcedure(procedureStr, names);
}
/**
* Converts jdbc equivalent procedure string
* eg , call exampleProcedure :sampleId,:sampleFirstName,:sampleLastName
* convert it to : call exampleProcedure ?,?,?
*
* @param procedureStr procedure string
* @param namedParams list of the named procedure parameters
* @return jdbc compliance procedure.
*/
public static String jdbcComplianceProcedure(final String procedureStr, final Set namedParams) {
String targetProcedureString = procedureStr;
for (String namedParam : namedParams) {
String procedurePattern = PROCEDURE_PARAM_PATTERN.replace(PARAM, namedParam);
targetProcedureString = replaceProcedureParam(targetProcedureString, procedurePattern);
}
return targetProcedureString;
}
private static String replaceProcedureParam(final String procedureString, final String procedurePattern) {
final Pattern pattern = Pattern.compile(procedurePattern);
final Matcher matcher = pattern.matcher(procedureString);
StringBuffer sb = new StringBuffer();
while (matcher.find()) {
final String value = PROCEDURE_PARAM_REPLACE_STRING + matcher.group(2);
matcher.appendReplacement(sb, value);
}
matcher.appendTail(sb);
return sb.toString();
}
}