org.opendaylight.vtn.javaapi.validation.AuditControllerResourceValidator.java Source code

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

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/*
 * Copyright (c) 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;

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.AuditControllerResource;

public class AuditControllerResourceValidator extends VtnServiceValidator {

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

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

    /**
     * Instantiates a new Audit controller resource validator.
     * 
     * @param resource
     *            the instance of AbstractResource
     */
    public AuditControllerResourceValidator(final AbstractResource resource) {
        this.resource = resource;
    }

    /**
     * Validate URI parameters for Audit Controller API
     * 
     * @return true, if successful
     */
    @Override
    public final boolean validateUri() {
        LOG.trace("Start AuditControllerResourceValidator#validateUri()");
        boolean isValid = false;
        setInvalidParameter(VtnServiceJsonConsts.CONTROLLERID);
        if (resource instanceof AuditControllerResource
                && ((AuditControllerResource) resource).getControllerId() != null
                && !((AuditControllerResource) resource).getControllerId().isEmpty()) {
            isValid = validator.isValidMaxLengthAlphaNum(((AuditControllerResource) resource).getControllerId(),
                    VtnServiceJsonConsts.LEN_31);
        }
        LOG.trace("Complete AuditControllerResourceValidator#validateUri()");
        return isValid;
    }

    /*
     * Validate request json for put method of Audit controller API
     */
    @Override
    public final void validate(final String method, final JsonObject requestBody) throws VtnServiceException {
        LOG.trace("Start AuditControllerResourceValidator#validate()");
        LOG.info("Validating request for " + method + " of AuditControllerResourceValidator");
        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 AuditControllerResourceValidator#validate()");
    }

    /**
     * Validate request json for put method of Audit controller API
     * 
     * @param requestBody
     *            the request Json object
     * 
     * @return true, if successful
     */
    private boolean validatePut(final JsonObject requestBody) {
        LOG.trace("Start AuditControllerResourceValidator#validatePut()");
        boolean isValid = false;
        setInvalidParameter(VtnServiceJsonConsts.AUDIT);
        if (requestBody.has(VtnServiceJsonConsts.AUDIT)
                && requestBody.get(VtnServiceJsonConsts.AUDIT).isJsonObject()) {
            isValid = true;
            final JsonObject audit = requestBody.getAsJsonObject(VtnServiceJsonConsts.AUDIT);
            setInvalidParameter(VtnServiceJsonConsts.FORCE);
            if (audit.has(VtnServiceJsonConsts.FORCE)
                    && audit.getAsJsonPrimitive(VtnServiceJsonConsts.FORCE).getAsString() != null) {
                String force = audit.getAsJsonPrimitive(VtnServiceJsonConsts.FORCE).getAsString();
                isValid = force.equalsIgnoreCase(VtnServiceJsonConsts.TRUE)
                        || force.equalsIgnoreCase(VtnServiceJsonConsts.FALSE);
            }
        }
        LOG.trace("Complete AuditControllerResourceValidator#validatePut()");
        return isValid;
    }
}