com.jodo.notify.util.JacksonUtil.java Source code

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Here is the source code for com.jodo.notify.util.JacksonUtil.java

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/**
 * @(#)JacksonUtil.java, 2012-10-19. Copyright 2012 Jodo, Inc. All rights
 *                       reserved. JODO PROPRIETARY/CONFIDENTIAL. Use is subject
 *                       to license terms.
 */
package com.jodo.notify.util;

import java.text.SimpleDateFormat;

import org.apache.commons.lang.StringUtils;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
import org.codehaus.jackson.type.TypeReference;

/**
 * Jackson??/???
 * 
 * @author Treeman
 */
public class JacksonUtil {

    private static ObjectMapper mapper = new ObjectMapper();

    static {
        mapper.configure(org.codehaus.jackson.map.SerializationConfig.Feature.WRITE_NULL_MAP_VALUES, false);
        mapper.setSerializationInclusion(Inclusion.NON_NULL);
        mapper.configure(org.codehaus.jackson.map.SerializationConfig.Feature.WRITE_DATES_AS_TIMESTAMPS, false);
        mapper.setSerializationConfig(
                mapper.getSerializationConfig().withDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss")));
        mapper.configure(org.codehaus.jackson.map.DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES, false);
    }

    public static <T> T toJava(String str, Class<T> clazz) {
        if (StringUtils.isBlank(str)) {
            return null;
        }
        try {
            return mapper.readValue(str, clazz);
        } catch (Exception e) {
            e.printStackTrace();
            System.out.println("String    [   " + str + "  ]  can not be parse to " + clazz.getName());
            throw new RuntimeException(e);
        }
    }

    @SuppressWarnings("unchecked")
    public static <T> T toJava(String str, TypeReference<T> typeRef) {
        if (StringUtils.isBlank(str)) {
            return null;
        }
        try {
            return (T) mapper.readValue(str, typeRef);
        } catch (Exception e) {
            e.printStackTrace();
            System.out.println("String       " + str + "    can not be parse to " + typeRef.getClass().getName());
            throw new RuntimeException(e);
        }
    }

    public static String toJson(Object object) {
        try {
            return mapper.writeValueAsString(object);
        } catch (Exception e) {
            e.printStackTrace();
            throw new RuntimeException(e);
        }
    }

}