com.wso2telco.core.pcrservice.util.YamlReader.java Source code

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/*******************************************************************************
 * Copyright  (c) 2015-2016, WSO2.Telco Inc. (http://www.wso2telco.com) All Rights Reserved.
 *
 * WSO2.Telco Inc. licences this file to you 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.wso2telco.core.pcrservice.util;

import java.io.File;
import java.io.IOException;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.wso2.carbon.utils.CarbonUtils;

import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
import com.wso2telco.core.pcrservice.model.ConfigDTO;

// TODO: Auto-generated Javadoc

/**
 * The Class YamlReader.
 */
public class YamlReader {

    /**
     * The log.
     */
    private static Logger log = LoggerFactory.getLogger(YamlReader.class);

    private static final String DEVICE_MGT_CONFIG_PATH = CarbonUtils.getCarbonConfigDirPath() + File.separator
            + "config.yml";

    /**
     * Gets the configuration.
     *
     * @return the configuration
     */
    public static ConfigDTO getConfiguration() {

        File file = new File(DEVICE_MGT_CONFIG_PATH);
        ConfigDTO configPojo = new ConfigDTO();

        final ObjectMapper mapper = new ObjectMapper(new YAMLFactory()); // jackson databind

        try {
            configPojo = mapper.readValue(file, ConfigDTO.class);
        } catch (JsonParseException e) {
            log.error("Yaml Parsing Error", e);
        } catch (JsonMappingException e) {
            log.error("Yaml Mapping Error", e);
        } catch (IOException e) {
            log.error("Yaml File Error", e);
        }

        return configPojo;
    }
}