org.opendaylight.vtn.javaapi.validation.physical.AlarmResourceValidator.java Source code

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Here is the source code for org.opendaylight.vtn.javaapi.validation.physical.AlarmResourceValidator.java

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/*
 * Copyright (c) 2012-2014 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.physical;

import java.math.BigInteger;

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.physical.AlarmResource;
import org.opendaylight.vtn.javaapi.validation.CommonValidator;
import org.opendaylight.vtn.javaapi.validation.VtnServiceValidator;

/**
 * The Class AlarmResourceValidator validates Clear Alarms API.
 */

public class AlarmResourceValidator extends VtnServiceValidator {

    private static final Logger LOG = Logger.getLogger(AlarmResourceValidator.class.getName());

    private final AbstractResource resource;
    private final CommonValidator validator = new CommonValidator();

    /**
     * Instantiates a new alarm resource validator.
     * 
     * @param resource
     *            the resource
     */
    public AlarmResourceValidator(final AbstractResource resource) {
        this.resource = resource;
    }

    /**
     * Validate uri.
     * 
     * @return true, if successful
     */
    @Override
    public final boolean validateUri() {
        LOG.trace("Start AlarmResourceValidator#validateUri()");
        boolean isValid = false;
        if (resource instanceof AlarmResource) {
            isValid = true;
            setListOpFlag(false);
        }
        LOG.trace("Complete AlarmResourceValidator#validateUri()");
        return isValid;
    }

    /*
     * Validate request JSON for Clear Alarms API.
     */
    @Override
    public final void validate(final String method, final JsonObject requestBody) throws VtnServiceException {
        LOG.trace("Start AlarmResourceValidator#validate()");
        LOG.info("Validating request for " + method + " of AlarmResourceValidator");
        boolean isValid = false;
        try {
            isValid = validateUri();
            if (isValid && requestBody != null && VtnServiceConsts.PUT.equals(method)) {
                isValid = validatePut(requestBody);
            } else if (isValid) {
                setInvalidParameter(VtnServiceConsts.INCORRECT_METHOD_INVOCATION);
                isValid = false;
            }
        } catch (final NumberFormatException e) {
            LOG.error(e, "Inside catch:NumberFormatException");
            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 AlarmResourceValidator#validate()");
    }

    /**
     * Validate put request json for Clear Alarms API.
     * 
     * @param requestBody
     *            the request Json object
     * 
     * @return true, if successful
     */
    private boolean validatePut(final JsonObject requestBody) {
        LOG.trace("Start AlarmResourceValidator#validatePut()");
        boolean isValid = false;
        // validation for key: alarm_no(mandatory)
        setInvalidParameter(VtnServiceJsonConsts.ALARMNO);
        if (requestBody.has(VtnServiceJsonConsts.ALARMNO)
                && requestBody.getAsJsonPrimitive(VtnServiceJsonConsts.ALARMNO).getAsString() != null
                && !requestBody.getAsJsonPrimitive(VtnServiceJsonConsts.ALARMNO).getAsString().isEmpty()) {
            isValid = validator.isValidBigIntegerRangeString(
                    new BigInteger(requestBody.getAsJsonPrimitive(VtnServiceJsonConsts.ALARMNO).getAsString()),
                    VtnServiceJsonConsts.BIG_VAL0, VtnServiceJsonConsts.BIG_VAL_9999999999999999999);
        } else {
            isValid = false;
        }
        LOG.trace("Complete AlarmResourceValidator#validatePut()");
        return isValid;
    }
}