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

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Here is the source code for org.opendaylight.vtn.javaapi.validation.logical.ArpEntryResourceValidator.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.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.ArpEntryResource;
import org.opendaylight.vtn.javaapi.validation.CommonValidator;
import org.opendaylight.vtn.javaapi.validation.VtnServiceValidator;

/**
 * The Class ArpEntryResourceValidator validates request Json object for Arp
 * Entry API.
 */
public class ArpEntryResourceValidator extends VtnServiceValidator {

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

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

    /**
     * Instantiates a new arp entry resource validator.
     * 
     * @param resource
     *            the instance of AbstractResource
     */
    public ArpEntryResourceValidator(final AbstractResource resource) {
        this.resource = resource;
    }

    /**
     * Validate URI parameters for ArpEntry API
     * 
     * @return true, if successful
     */
    @Override
    public final boolean validateUri() {
        LOG.trace("Start ArpEntryResourceValidator#validateUri()");
        boolean isValid = false;
        setInvalidParameter(VtnServiceJsonConsts.URI + VtnServiceJsonConsts.VTNNAME);
        if (resource instanceof ArpEntryResource && ((ArpEntryResource) resource).getVtnName() != null
                && !((ArpEntryResource) resource).getVtnName().isEmpty()) {
            isValid = validator.isValidMaxLengthAlphaNum(((ArpEntryResource) resource).getVtnName(),
                    VtnServiceJsonConsts.LEN_31);
            if (isValid) {
                setInvalidParameter(VtnServiceJsonConsts.URI + VtnServiceJsonConsts.VRTNAME);
                if (((ArpEntryResource) resource).getVrtName() != null
                        && !((ArpEntryResource) resource).getVrtName().isEmpty()) {
                    isValid = validator.isValidMaxLengthAlphaNum(((ArpEntryResource) resource).getVrtName(),
                            VtnServiceJsonConsts.LEN_31);
                } else {
                    isValid = false;
                }
            }
            setListOpFlag(false);
        }
        LOG.trace("Complete ArpEntryResourceValidator#validateUri()");
        return isValid;
    }

    /**
     * Validate request Json object for get method of ArpEntry API
     */
    @Override
    public final void validate(final String method, final JsonObject requestBody) throws VtnServiceException {
        LOG.trace("Start ArpEntryResourceValidator#validate()");
        LOG.info("Validating request for " + method + " of ArpEntryResourceValidator");
        boolean isValid = false;
        isValid = validateUri();
        if (isValid && requestBody != null && VtnServiceConsts.GET.equals(method)) {
            isValid = validateGet(requestBody);
            updateOpParameterForList(requestBody);
        } else if (isValid) {
            setInvalidParameter(VtnServiceConsts.INCORRECT_METHOD_INVOCATION);
            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 ArpEntryResourceValidator#validate()");
    }

    /**
     * Validate get request Json object for ArpEntry API.
     * 
     * @param requestBody
     *            the request Json object
     * @return true, if successful
     * @throws VtnServiceException
     *             the vtn service exception
     */
    private boolean validateGet(final JsonObject requestBody) throws VtnServiceException {
        LOG.trace("Start ArpEntryResourceValidator#validateGet()");
        boolean isValid = true;
        // validation for key: op(optional)
        setInvalidParameter(VtnServiceJsonConsts.OP);
        isValid = validator.isValidOperationForCount(requestBody);
        // validation for key: type(optional)
        if (isValid) {
            setInvalidParameter(VtnServiceJsonConsts.TYPE);
            if (requestBody.has(VtnServiceJsonConsts.TYPE)
                    && requestBody.getAsJsonPrimitive(VtnServiceJsonConsts.TYPE).getAsString() != null) {
                final String type = requestBody.getAsJsonPrimitive(VtnServiceJsonConsts.TYPE).getAsString();
                isValid = type.equalsIgnoreCase(VtnServiceJsonConsts.STATIC)
                        || type.equalsIgnoreCase(VtnServiceJsonConsts.DYNAMIC);

            }
        }
        LOG.trace("Complete ArpEntryResourceValidator#validateGet()");
        return isValid;
    }
}