com.bazaarvoice.seo.sdk.validation.BVDefaultValidator.java Source code

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Here is the source code for com.bazaarvoice.seo.sdk.validation.BVDefaultValidator.java

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/*
 * ===========================================================================
 * Copyright 2014 Bazaarvoice, Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ===========================================================================
 * 
 */

package com.bazaarvoice.seo.sdk.validation;

import java.net.URI;
import java.net.URISyntaxException;

import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.bazaarvoice.seo.sdk.config.BVClientConfig;
import com.bazaarvoice.seo.sdk.config.BVConfiguration;
import com.bazaarvoice.seo.sdk.model.BVParameters;
import com.bazaarvoice.seo.sdk.util.BVMessageUtil;

/**
 * Validator implementation class for BVParameters & BVConfiguration.
 * 
 * @author Anandan Narayanaswamy
 *
 */
public class BVDefaultValidator implements BVValidator {

    private static final Logger _logger = LoggerFactory.getLogger(BVDefaultValidator.class);

    private StringBuilder errorMessages;

    public BVDefaultValidator() {
        errorMessages = new StringBuilder();
    }

    /**
     * Validator method to validate all the attributes in bvParameter object
     * 
     * @return String if there are any errors for the attributes which are either null or invalid.
     */
    public String validate(BVConfiguration bvConfiguration, BVParameters bvParams) {
        if (bvConfiguration == null) {
            errorMessages.append(BVMessageUtil.getMessage("ERR0007"));
            _logger.error(BVMessageUtil.getMessage("ERR0007"));
            return errorMessages.toString();
        }

        if (bvParams == null) {
            errorMessages.append(BVMessageUtil.getMessage("ERR0011"));
            _logger.error(BVMessageUtil.getMessage("ERR0011"));
            return errorMessages.toString();
        }

        boolean loadSeoFilesLocally = Boolean
                .parseBoolean(bvConfiguration.getProperty(BVClientConfig.LOAD_SEO_FILES_LOCALLY.getPropertyName()));
        if (loadSeoFilesLocally) {
            String localSeoFileRoot = bvConfiguration
                    .getProperty(BVClientConfig.LOCAL_SEO_FILE_ROOT.getPropertyName());
            if (StringUtils.isBlank(localSeoFileRoot)) {
                errorMessages.append(BVMessageUtil.getMessage("ERR0010"));
            }
        } else {
            String cloudKey = bvConfiguration.getProperty(BVClientConfig.CLOUD_KEY.getPropertyName());
            if (StringUtils.isBlank(cloudKey)) {
                errorMessages.append(BVMessageUtil.getMessage("ERR0020"));
            }
        }

        String rootFolder = bvConfiguration.getProperty(BVClientConfig.BV_ROOT_FOLDER.getPropertyName());
        if (StringUtils.isBlank(rootFolder)) {
            errorMessages.append(BVMessageUtil.getMessage("ERR0021"));
        }

        if (StringUtils.isBlank(bvParams.getUserAgent())) {
            errorMessages.append(BVMessageUtil.getMessage("ERR0017"));
        }

        URI uri = null;
        if (bvParams.getBaseURI() != null) {
            try {
                uri = new URI(bvParams.getBaseURI());
            } catch (URISyntaxException e) {
                errorMessages.append(BVMessageUtil.getMessage("ERR0023"));
            }
        }

        if (bvParams.getPageURI() != null) {
            try {
                uri = new URI(bvParams.getPageURI());
            } catch (URISyntaxException e) {
                errorMessages.append(BVMessageUtil.getMessage("ERR0022"));
            }
        }

        if (StringUtils.isBlank(bvParams.getPageURI()) || !bvParams.getPageURI().contains("bvpage")) {

            if (StringUtils.isBlank(bvParams.getSubjectId())) {
                errorMessages.append(BVMessageUtil.getMessage("ERR0014"));
            }

            if (bvParams.getSubjectType() == null) {
                errorMessages.append(BVMessageUtil.getMessage("ERR0016"));
            }

            if (bvParams.getContentType() == null) {
                errorMessages.append(BVMessageUtil.getMessage("ERR0015"));
            }

        }

        if (errorMessages.length() > 0) {
            _logger.error("There is an error : " + errorMessages.toString());
            return errorMessages.toString();
        }

        return null;
    }

}