com.sunney.eweb.config.MappingFastjson2HttpMessageConverter.java Source code

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Here is the source code for com.sunney.eweb.config.MappingFastjson2HttpMessageConverter.java

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/*
 * Copyright 1999-2024 Colotnet.com All right reserved. This software is the confidential and proprietary information of
 * Colotnet.com ("Confidential Information"). You shall not disclose such Confidential Information and shall use it only
 * in accordance with the terms of the license agreement you entered into with Colotnet.com.
 */
package com.sunney.eweb.config;

import java.io.IOException;
import java.io.OutputStream;
import java.nio.charset.Charset;

import org.apache.commons.io.output.ByteArrayOutputStream;
import org.springframework.http.HttpInputMessage;
import org.springframework.http.HttpOutputMessage;
import org.springframework.http.MediaType;
import org.springframework.http.converter.AbstractHttpMessageConverter;
import org.springframework.http.converter.HttpMessageNotReadableException;
import org.springframework.http.converter.HttpMessageNotWritableException;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.serializer.SerializerFeature;

/**
 * MappingFastjson2HttpMessageConverter.java??TODO ??
 * 
 * @author Sunney 20161214 ?8:46:20
 */
public class MappingFastjson2HttpMessageConverter extends AbstractHttpMessageConverter<Object> {

    public static final Charset DEFAULT_CHARSET = Charset.forName("UTF-8");

    private SerializerFeature[] serializerFeature;

    public SerializerFeature[] getSerializerFeature() {
        return serializerFeature;
    }

    public void setSerializerFeature(SerializerFeature[] serializerFeature) {
        this.serializerFeature = serializerFeature;
    }

    public MappingFastjson2HttpMessageConverter() {
        super(new MediaType("application", "json", DEFAULT_CHARSET));
    }

    @Override
    public boolean canRead(Class<?> clazz, MediaType mediaType) {
        return true;
    }

    @Override
    public boolean canWrite(Class<?> clazz, MediaType mediaType) {
        return true;
    }

    @Override
    protected boolean supports(Class<?> clazz) {
        throw new UnsupportedOperationException();
    }

    @Override
    protected Object readInternal(Class<?> clazz, HttpInputMessage inputMessage)
            throws IOException, HttpMessageNotReadableException {
        @SuppressWarnings("resource")
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        int i;
        while ((i = inputMessage.getBody().read()) != -1) {
            baos.write(i);
        }
        return JSON.parseArray(baos.toString(), clazz);
    }

    @Override
    protected void writeInternal(Object o, HttpOutputMessage outputMessage)
            throws IOException, HttpMessageNotWritableException {
        String jsonString = JSON.toJSONString(o, serializerFeature);
        OutputStream out = outputMessage.getBody();
        out.write(jsonString.getBytes(DEFAULT_CHARSET));
        out.flush();
    }

}