org.opendaylight.vtn.javaapi.validation.logical.PolicingProfileResourceValidator.java Source code

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Here is the source code for org.opendaylight.vtn.javaapi.validation.logical.PolicingProfileResourceValidator.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.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.PolicingProfileResource;
import org.opendaylight.vtn.javaapi.resources.logical.PolicingProfilesResource;
import org.opendaylight.vtn.javaapi.validation.CommonValidator;
import org.opendaylight.vtn.javaapi.validation.VtnServiceValidator;

public class PolicingProfileResourceValidator extends VtnServiceValidator {

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

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

    /**
     * Instantiates a new policing profile resource validator.
     * 
     * @param resource
     *            the instance of AbstractResource
     */
    public PolicingProfileResourceValidator(final AbstractResource resource) {
        this.resource = resource;
    }

    /**
     * Validate URI parameters for PolicingProfile API
     * 
     * @return true, if successful
     */
    @Override
    public final boolean validateUri() {
        LOG.trace("Start PolicingProfileResourceValidator#validateUri()");
        boolean isValid = false;
        setInvalidParameter(VtnServiceJsonConsts.URI + VtnServiceJsonConsts.PROFILE_NAME);
        if (resource instanceof PolicingProfileResource
                && ((PolicingProfileResource) resource).getProfileName() != null
                && !((PolicingProfileResource) resource).getProfileName().isEmpty()) {
            isValid = validator.isValidMaxLengthAlphaNum(((PolicingProfileResource) resource).getProfileName(),
                    VtnServiceJsonConsts.LEN_32);
            setListOpFlag(false);
        } else if (resource instanceof PolicingProfilesResource) {
            isValid = true;
            setListOpFlag(true);
        }
        LOG.trace("Complete PolicingProfileResourceValidator#validateUri()");
        return isValid;
    }

    /**
     * Validate request JSON object for get, put and post method of Policing
     * Profile API
     */
    @Override
    public final void validate(final String method, final JsonObject requestBody) throws VtnServiceException {
        LOG.trace("Start PolicingProfileResourceValidator#validate()");
        LOG.info("Validating request for " + method + " of PolicingProfileResourceValidator");
        boolean isValid = false;
        try {
            isValid = validateUri();
            if (isValid && requestBody != null && VtnServiceConsts.GET.equals(method)) {
                isValid = validator.isValidGet(requestBody, isListOpFlag());
                setInvalidParameter(validator.getInvalidParameter());
                updateOpParameterForList(requestBody);
            } else if (isValid && requestBody != null && VtnServiceConsts.POST.equalsIgnoreCase(method)) {
                isValid = validatePost(requestBody);
            } else if (isValid) {
                setInvalidParameter(VtnServiceConsts.INCORRECT_METHOD_INVOCATION);
                isValid = false;
            }
        } catch (final NumberFormatException e) {
            if (method.equals(VtnServiceConsts.GET)) {
                setInvalidParameter(validator.getInvalidParameter());
            }
            LOG.error(e, "Inside catch:NumberFormatException");
            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 PolicingProfileResourceValidator#validate()");
    }

    /**
     * Validate post request JSON object for Policing Profile API
     * 
     * @param requestBody
     *            the request JSON object
     * @return true, if successful
     */
    private boolean validatePost(final JsonObject requestBody) {
        LOG.trace("Start PolicingProfileResourceValidator#validatePost()");
        boolean isValid = false;
        setInvalidParameter(VtnServiceJsonConsts.POLICINGPROFILE);
        if (requestBody.has(VtnServiceJsonConsts.POLICINGPROFILE)
                && requestBody.get(VtnServiceJsonConsts.POLICINGPROFILE).isJsonObject()) {
            final JsonObject policingProfileJsonObject = requestBody
                    .getAsJsonObject(VtnServiceJsonConsts.POLICINGPROFILE);
            setInvalidParameter(VtnServiceJsonConsts.PROFILE_NAME);

            // validation for mandatory key: prf_name
            if (policingProfileJsonObject.has(VtnServiceJsonConsts.PROFILE_NAME) && policingProfileJsonObject
                    .getAsJsonPrimitive(VtnServiceJsonConsts.PROFILE_NAME).getAsString() != null) {
                isValid = validator.isValidMaxLengthAlphaNum(policingProfileJsonObject
                        .getAsJsonPrimitive(VtnServiceJsonConsts.PROFILE_NAME).getAsString(),
                        VtnServiceJsonConsts.LEN_32);
            }

        }
        LOG.trace("Complete PolicingProfileResourceValidator#validatePost()");
        return isValid;
    }

}