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

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Here is the source code for org.opendaylight.vtn.javaapi.validation.AbortCandidateConfigResourceValidator.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;

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;

/**
 * The Class AbortCandidateConfigResourceValidator validates request Json object
 * for Abort Candidate Configuration API.
 */
public class AbortCandidateConfigResourceValidator extends VtnServiceValidator {

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

    /** The instance of AbstractResource. */
    private final AbstractResource resource;

    /**
     * Instantiates a new config resource validator.
     * 
     * @param resource
     *            the instance of AbstractResource
     */
    public AbortCandidateConfigResourceValidator(final AbstractResource resource) {
        this.resource = resource;
        LOG.info(this.resource.toString());
    }

    /**
     * Validate request Json for put method of Abort Candidate Configuration API
     */
    @Override
    public final void validate(final String method, final JsonObject requestBody) throws VtnServiceException {
        LOG.trace("Start AbortCandidateConfigResourceValidator#validate()");
        LOG.info("Validating request for " + method + " of AbortCandidateConfigResourceValidator");
        boolean isValid = false;
        if (requestBody != null && VtnServiceConsts.PUT.equals(method)) {
            isValid = validatePut(requestBody);
        } else {
            setInvalidParameter(VtnServiceConsts.INCORRECT_METHOD_INVOCATION);
            isValid = false;
        }
        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 AbortCandidateConfigResourceValidator#validate()");
    }

    /**
     * Validate put request json for Abort Candidate Configuration API
     * 
     * @param requestBody
     *            the request Json object
     * @return true, if successful
     */
    private boolean validatePut(final JsonObject requestBody) {
        LOG.trace("Start AbortCandidateConfigResourceValidator#validatePut()");
        boolean isValid = false;
        setInvalidParameter(VtnServiceJsonConsts.CANDIDATE);
        if (requestBody.has(VtnServiceJsonConsts.CANDIDATE)
                && requestBody.get(VtnServiceJsonConsts.CANDIDATE).isJsonObject()) {
            final JsonObject candidate = requestBody.getAsJsonObject(VtnServiceJsonConsts.CANDIDATE);
            setInvalidParameter(VtnServiceJsonConsts.OPERATION);
            if (candidate.has(VtnServiceJsonConsts.OPERATION)
                    && candidate.getAsJsonPrimitive(VtnServiceJsonConsts.OPERATION).getAsString() != null) {
                final String operation = candidate.getAsJsonPrimitive(VtnServiceJsonConsts.OPERATION).getAsString();
                isValid = operation.equalsIgnoreCase(VtnServiceJsonConsts.ABORT);
            }
        }
        LOG.trace("Complete AbortCandidateConfigResourceValidator#validatePut()");
        return isValid;
    }
}