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/*
* ============LICENSE_START=======================================================
* PNF-REGISTRATION-HANDLER
* ================================================================================
* Copyright (C) 2019 NOKIA Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.dmaap.dbcapi.resources;
import static javax.ws.rs.core.Response.Status.BAD_REQUEST;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.onap.dmaap.dbcapi.model.ApiError;
public class RequiredChecker {
public void required(String name, Object val) throws RequiredFieldException {
if (val == null) {
throw new RequiredFieldException(new ApiError(BAD_REQUEST.getStatusCode(),
"missing required field", name));
}
}
public void required(String name, String val, String expr) throws RequiredFieldException {
required(name, val);
if (expr != null && !expr.isEmpty()) {
Pattern pattern = Pattern.compile(expr);
Matcher matcher = pattern.matcher(val);
if (!matcher.find()) {
throw new RequiredFieldException(new ApiError(BAD_REQUEST.getStatusCode(),
"value '" + val + "' violates regexp check '" + expr + "'", name));
}
}
}
}
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