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Jackson support for Java API classes for Rosette

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/*
* Copyright 2014 Basis Technology Corp.
*
* 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.basistech.util.jackson;

import com.fasterxml.jackson.core.Version;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

/**
 * Set up Jackson version from property.
 */
final class ModuleVersion {
    static final Version VERSION;
    static {
        Version version;
        Properties properties = new Properties();
        try (InputStream props = ModuleVersion.class.getResourceAsStream("impl/version.properties")) {
            properties.load(props);
            String verString = properties.getProperty("version");
            String snapshot = "";
            if (verString.endsWith("-SNAPSHOT")) {
                snapshot = "-SNAPSHOT";
                verString = verString.substring(0, verString.length() - "-SNAPSHOT".length());
            }
            String[] bits = verString.split("\\.");
            version = new Version(Integer.parseInt(bits[0]),
                    Integer.parseInt(bits[1]),
                    Integer.parseInt(bits[2]), snapshot,
                    "com.basistech", "common-api-jackson");
        } catch (IOException e) {
            // alternative: runtime exception.
            version = new Version(0, 0, 0, "", "com.basistech", "common-api-jackson");
        }

        VERSION = version;
    }

    private ModuleVersion() {
        //
    }
}