su90.etl.utils.DeviceTypeParser.java Source code

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Here is the source code for su90.etl.utils.DeviceTypeParser.java

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/*
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package su90.etl.utils;

import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashMap;

/**
 *
 * @author superman90
 */
public class DeviceTypeParser {
    static HashMap<Integer, String> hashmapper = null;

    /*
    *@path "/home/superman90/Documents/duangyujia/in/dimensions/device_type.json"
    */
    public static void initializer(String path) {

        hashmapper = new HashMap<>();

        ObjectMapper mapper = new ObjectMapper();
        try {

            Object[][] objs = mapper.readValue(new FileReader(path), Object[][].class);

            for (Object[] subobjs : objs) {
                hashmapper.put((Integer) subobjs[0], (String) subobjs[1]);
            }

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static String get(Integer index) {
        if (hashmapper != null && hashmapper.containsKey(index)) {
            return hashmapper.get(index);
        }
        return null;

    }
}