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/*-
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Copyright (C) 2017 Amdocs
* =============================================================================
* 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.appc.design.dbervices;
import static org.onap.appc.design.services.util.DesignServiceConstants.ACTION;
import static org.onap.appc.design.services.util.DesignServiceConstants.ACTION_LEVEL;
import static org.onap.appc.design.services.util.DesignServiceConstants.ARTIFACT_CONTENTS;
import static org.onap.appc.design.services.util.DesignServiceConstants.ARTIFACT_NAME;
import static org.onap.appc.design.services.util.DesignServiceConstants.ARTIFACT_TYPE;
import static org.onap.appc.design.services.util.DesignServiceConstants.ARTIFACT_VERSOIN;
import static org.onap.appc.design.services.util.DesignServiceConstants.GETARTIFACT;
import static org.onap.appc.design.services.util.DesignServiceConstants.GETAPPCTIMESTAMPUTC;
import static org.onap.appc.design.services.util.DesignServiceConstants.GETDESIGNS;
import static org.onap.appc.design.services.util.DesignServiceConstants.GETSTATUS;
import static org.onap.appc.design.services.util.DesignServiceConstants.PROTOCOL;
import static org.onap.appc.design.services.util.DesignServiceConstants.SETINCART;
import static org.onap.appc.design.services.util.DesignServiceConstants.SETPROTOCOLREFERENCE;
import static org.onap.appc.design.services.util.DesignServiceConstants.SETSTATUS;
import static org.onap.appc.design.services.util.DesignServiceConstants.STATUS;
import static org.onap.appc.design.services.util.DesignServiceConstants.UPLOADARTIFACT;
import static org.onap.appc.design.services.util.DesignServiceConstants.USER_ID;
import static org.onap.appc.design.services.util.DesignServiceConstants.VNF_TYPE;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.IOException;
import org.onap.appc.design.services.util.DesignServiceConstants;
public class RequestValidator {
private static final EELFLogger log = EELFManager.getInstance().getLogger(RequestValidator.class);
private RequestValidator() {
}
public static void validate(String action, String payload) throws RequestValidationException, IOException {
log.info("validate: action:" + action );
log.info("validate: payload:" + payload);
ObjectMapper objectMapper = new ObjectMapper();
JsonNode payloadObject = objectMapper.readTree(payload);
log.info("payloadObject:" + payloadObject.get(ARTIFACT_CONTENTS));
String errorString= null;
switch (action) {
case GETDESIGNS:
errorString = resolveGetDesignsErrorString(payloadObject);
break;
case GETAPPCTIMESTAMPUTC:
log.info("validate: No payload validation needed for Timestamp.");
break;
case GETARTIFACT:
errorString = resolveGetArtifactErrorString(payloadObject);
break;
case GETSTATUS:
errorString = resolveGetStatusErrorString(payloadObject);
break;
case SETSTATUS:
errorString = resolveSetStatusErrorString(payloadObject);
break;
case UPLOADARTIFACT:
errorString = resolveUploadArtifactErrorString(payloadObject);
break;
case DesignServiceConstants.UPLOADADMINARTIFACT:
errorString = resolveUploadArtifactErrorString(payloadObject);
break;
case SETPROTOCOLREFERENCE:
case SETINCART:
errorString = resolveErrorString(payloadObject);
break;
case DesignServiceConstants.CHECKVNF:
errorString = resolveCheckVNFErrorString(payloadObject);
break;
default:
throw new RequestValidationException(" Action " + action + " not found while processing request ");
}
checkForErrorString(errorString);
}
private static String resolveCheckVNFErrorString(JsonNode payloadObject) {
if (nullOrEmpty(payloadObject, VNF_TYPE))
return VNF_TYPE;
return null;
}
private static void checkForErrorString(String errorString) throws RequestValidationException {
if (errorString != null) {
throw new RequestValidationException(" Missing input parameter :-" + errorString + " -:");
}
}
private static String resolveGetDesignsErrorString(JsonNode payloadObject) {
return nullOrEmpty(payloadObject, USER_ID) ? USER_ID : null;
}
private static String resolveErrorString(JsonNode payloadObject) {
if (nullOrEmpty(payloadObject, ACTION)) {
return ACTION;
} else if (nullOrEmpty(payloadObject, ACTION_LEVEL)) {
return ACTION_LEVEL;
} else if (nullOrEmpty(payloadObject, VNF_TYPE)) {
return VNF_TYPE;
} else if (nullOrEmpty(payloadObject, PROTOCOL)) {
return PROTOCOL;
}
return null;
}
private static String resolveUploadArtifactErrorString(JsonNode payloadObject) {
if (nullOrEmpty(payloadObject, ARTIFACT_NAME)) {
return ARTIFACT_NAME;
} else if (doesNotContainReference(payloadObject)) {
return ACTION;
} else if (nullOrEmpty(payloadObject, ARTIFACT_VERSOIN)) {
return ARTIFACT_VERSOIN;
} else if (payloadObject.get(ARTIFACT_CONTENTS) == null) {
return ARTIFACT_CONTENTS;
} else if (nullOrEmpty(payloadObject, ARTIFACT_TYPE)) {
return ARTIFACT_TYPE;
} else if (nullOrEmpty(payloadObject, VNF_TYPE)) {
return VNF_TYPE;
}
return null;
}
private static boolean doesNotContainReference(JsonNode payloadObject) {
return
!payloadObject.get(ARTIFACT_NAME).textValue().contains("reference")
&& nullOrEmpty(payloadObject, ARTIFACT_NAME);
}
private static String resolveSetStatusErrorString(JsonNode payloadObject) {
if (nullOrEmpty(payloadObject, USER_ID)) {
return USER_ID;
} else if (nullOrEmpty(payloadObject, VNF_TYPE)) {
return VNF_TYPE;
} else if (nullOrEmpty(payloadObject, ACTION)) {
return ACTION;
} else if (nullOrEmpty(payloadObject, ARTIFACT_TYPE)) {
return ARTIFACT_TYPE;
} else if (nullOrEmpty(payloadObject, STATUS)) {
return STATUS;
}
return null;
}
private static String resolveGetStatusErrorString(JsonNode payloadObject) {
if (nullOrEmpty(payloadObject, USER_ID)) {
return USER_ID;
} else if (nullOrEmpty(payloadObject, VNF_TYPE)) {
return VNF_TYPE;
}
return null;
}
private static String resolveGetArtifactErrorString(JsonNode payloadObject) {
if (nullOrEmpty(payloadObject, VNF_TYPE)) {
return VNF_TYPE;
} else if (nullOrEmpty(payloadObject, ARTIFACT_TYPE)) {
return ARTIFACT_TYPE;
} else if (nullOrEmpty(payloadObject, ARTIFACT_NAME)) {
return ARTIFACT_NAME;
}
return null;
}
private static boolean nullOrEmpty(JsonNode payloadObject, String param) {
JsonNode payload = payloadObject.get(param);
return payload == null || payload.textValue().trim().isEmpty();
}
}
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