Java tutorial
/* * Copyright (c) 2015 NEC Corporation * All rights reserved. * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 which accompanies this * distribution, and is available at http://www.eclipse.org/legal/epl-v10.html */ package org.opendaylight.vtn.javaapi.validation.logical; import com.google.gson.JsonObject; import org.opendaylight.vtn.core.util.Logger; import org.opendaylight.vtn.javaapi.constants.VtnServiceConsts; import org.opendaylight.vtn.javaapi.constants.VtnServiceJsonConsts; import org.opendaylight.vtn.javaapi.exception.VtnServiceException; import org.opendaylight.vtn.javaapi.ipc.enums.UncJavaAPIErrorCode; import org.opendaylight.vtn.javaapi.resources.AbstractResource; import org.opendaylight.vtn.javaapi.resources.logical.LabelResource; import org.opendaylight.vtn.javaapi.resources.logical.LabelsResource; import org.opendaylight.vtn.javaapi.validation.CommonValidator; import org.opendaylight.vtn.javaapi.validation.VtnServiceValidator; /** * The Class LabelResourceValidator validates request Json object for Label * API. */ public class LabelResourceValidator extends VtnServiceValidator { private static final Logger LOG = Logger.getLogger(LabelResourceValidator.class.getName()); private final AbstractResource resource; private final CommonValidator validator = new CommonValidator(); /** * Instantiates a new Label resource validator. * * @param resource * the instance of AbstractResource */ public LabelResourceValidator(final AbstractResource resource) { this.resource = resource; } /** * Validate uri parameters for Label API. * * @return true, if successful */ @Override public final boolean validateUri() { LOG.trace("Start LabelResourceValidator#validateUri()"); boolean isValid = false; setInvalidParameter(VtnServiceJsonConsts.URI + VtnServiceJsonConsts.UNIFIED_NETWORK_NAME); if (resource instanceof LabelsResource && ((LabelsResource) resource).getUnifiedNetworkName() != null && !((LabelsResource) resource).getUnifiedNetworkName().isEmpty()) { isValid = validator.isValidMaxLengthAlphaNum(((LabelsResource) resource).getUnifiedNetworkName(), VtnServiceJsonConsts.LEN_31); setListOpFlag(true); } else if (resource instanceof LabelResource && ((LabelResource) resource).getUnifiedNetworkName() != null && !((LabelResource) resource).getUnifiedNetworkName().isEmpty()) { isValid = validator.isValidMaxLengthAlphaNum(((LabelResource) resource).getUnifiedNetworkName(), VtnServiceJsonConsts.LEN_31); if (isValid) { setInvalidParameter(VtnServiceJsonConsts.URI + VtnServiceJsonConsts.LABEL_NAME); if (((LabelResource) resource).getLabelName() != null && !((LabelResource) resource).getLabelName().isEmpty()) { isValid = validator.isValidMaxLengthAlphaNum(((LabelResource) resource).getLabelName(), VtnServiceJsonConsts.LEN_31); } else { isValid = false; } } setListOpFlag(false); } LOG.trace("Completed LabelResourceValidator#validateUri()"); return isValid; } /** * Validate request json for get, put and post method of Label API */ @Override public final void validate(final String method, final JsonObject requestBody) throws VtnServiceException { LOG.trace("Start LabelResourceValidator#validate()"); LOG.info("Validating request for " + method + " of LabelResourceValidator"); boolean isValid = false; try { isValid = validateUri(); if (isValid) { if (requestBody != null && VtnServiceConsts.GET.equals(method)) { isValid = validator.isValidGet(requestBody, isListOpFlag()); setInvalidParameter(validator.getInvalidParameter()); updateOpParameterForList(requestBody); } else if (requestBody != null && VtnServiceConsts.PUT.equals(method)) { isValid = validatePut(requestBody); } else if (requestBody != null && VtnServiceConsts.POST.equals(method)) { isValid = validatePost(requestBody); } } } catch (final NumberFormatException e) { LOG.error(e, "Inside catch:NumberFormatException"); if (method.equals(VtnServiceConsts.GET)) { setInvalidParameter(validator.getInvalidParameter()); } isValid = false; } catch (final ClassCastException e) { if (method.equals(VtnServiceConsts.GET)) { setInvalidParameter(validator.getInvalidParameter()); } LOG.error(e, "Inside catch:ClassCastException"); isValid = false; } // Throws exception if validation fails if (!isValid) { LOG.error("Validation failed"); throw new VtnServiceException(Thread.currentThread().getStackTrace()[1].getMethodName(), UncJavaAPIErrorCode.VALIDATION_ERROR.getErrorCode(), UncJavaAPIErrorCode.VALIDATION_ERROR.getErrorMessage()); } LOG.info("Validation successful"); LOG.trace("Complete LabelResourceValidator#validate()"); } /** * Validate put request Json object for Lable API * * @param requestBody * the request Json object * @return true, if successful */ private boolean validatePut(final JsonObject requestBody) { LOG.trace("Start LabelResourceValidator#validatePut()"); boolean isValid = true; setInvalidParameter(VtnServiceJsonConsts.LABEL); if (requestBody.has(VtnServiceJsonConsts.LABEL) && requestBody.get(VtnServiceJsonConsts.LABEL).isJsonObject()) { final JsonObject lable = requestBody.getAsJsonObject(VtnServiceJsonConsts.LABEL); // validation for key: max_count setInvalidParameter(VtnServiceJsonConsts.MAX_COUNT); if (lable.has(VtnServiceJsonConsts.MAX_COUNT)) { if (lable.get(VtnServiceJsonConsts.MAX_COUNT).isJsonPrimitive()) { isValid = validator.isValidRange( lable.getAsJsonPrimitive(VtnServiceJsonConsts.MAX_COUNT).getAsString(), VtnServiceJsonConsts.VAL_1, VtnServiceJsonConsts.VAL_4000); } else { isValid = false; } } // validation for key: raising_threshold if (isValid) { setInvalidParameter(VtnServiceJsonConsts.RISING_THRESHOLD); if (lable.has(VtnServiceJsonConsts.RISING_THRESHOLD)) { if (lable.get(VtnServiceJsonConsts.RISING_THRESHOLD).isJsonPrimitive()) { isValid = validator.isValidRange( lable.getAsJsonPrimitive(VtnServiceJsonConsts.RISING_THRESHOLD).getAsString(), VtnServiceJsonConsts.VAL_1, VtnServiceJsonConsts.VAL_4000); } else { isValid = false; } } } // validation for key: falling_threshold if (isValid) { setInvalidParameter(VtnServiceJsonConsts.FALLING_THRESHOLD); if (lable.has(VtnServiceJsonConsts.FALLING_THRESHOLD)) { if (lable.get(VtnServiceJsonConsts.FALLING_THRESHOLD).isJsonPrimitive()) { isValid = validator.isValidRange( lable.getAsJsonPrimitive(VtnServiceJsonConsts.FALLING_THRESHOLD).getAsString(), VtnServiceJsonConsts.VAL_1, VtnServiceJsonConsts.VAL_4000); } else { isValid = false; } } } } else { isValid = false; } LOG.trace("Complete LabelResourceValidator#validatePut()"); return isValid; } /** * Validate post request Json object for Label API * * @param requestBody * the request Json object * @return true, if successful */ private boolean validatePost(final JsonObject requestBody) { LOG.trace("Start LabelResourceValidator#validatePost()"); boolean isValid = false; setInvalidParameter(VtnServiceJsonConsts.LABEL); if (requestBody.has(VtnServiceJsonConsts.LABEL) && requestBody.get(VtnServiceJsonConsts.LABEL).isJsonObject()) { final JsonObject lable = requestBody.getAsJsonObject(VtnServiceJsonConsts.LABEL); // validation for mandatory key: label_name setInvalidParameter(VtnServiceJsonConsts.LABEL_NAME); if (lable.has(VtnServiceJsonConsts.LABEL_NAME) && lable.get(VtnServiceJsonConsts.LABEL_NAME).isJsonPrimitive()) { String labelName = lable.getAsJsonPrimitive(VtnServiceJsonConsts.LABEL_NAME).getAsString(); if (!labelName.isEmpty()) { isValid = validator.isValidMaxLengthAlphaNum(labelName, VtnServiceJsonConsts.LEN_31); } } if (isValid) { isValid = validatePut(requestBody); } } LOG.trace("Complete LabelResourceValidator#validatePost()"); return isValid; } }