為了序列化原生的容器對象例如? List 和?Map
?對象,你必須使用?Template
。
Template 對象是?
serializer 和 deserializer 的配對。例如,為了序列化一個?List
?對象,在?List
?對象中?Integer
?對象為元素,你可以使用下面的方法來創建一個模板對象(Template object)。
Template listTmpl = Templates.tList(Templates.TInteger);
類?tList,
?TInteger
?是靜態方法,字段為?Templates。
一個?List
?和?Map
?對象的用例如下顯示:
本代碼可以在?https://github.com/cwiki-us-demo/messagepack-6-demo-java/blob/master/src/test/java/com/insight/demo/msgpack/MessagePack6Template.java?中查看。
package com.insight.demo.msgpack;import org.junit.Test; import org.msgpack.MessagePack; import org.msgpack.packer.Packer; import org.msgpack.template.Template; import org.msgpack.unpacker.Unpacker; import org.slf4j.Logger; import org.slf4j.LoggerFactory;import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.math.BigInteger; import java.nio.ByteBuffer; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map;import static org.msgpack.template.Templates.*;/*** MessagePack6Template** @author yhu*/ public class MessagePack6Template {final Logger logger = LoggerFactory.getLogger(MessagePack6Template.class);/*** Test MessagePack6Template*/@Testpublic void testMessagePack6Template() {logger.debug("MessagePack6Template for Template");MessagePack msgpack = new MessagePack();try {// Create templates for serializing/deserializing List and Map objectsTemplate<List<String>> listTmpl = tList(TString);Template<Map<String, String>> mapTmpl = tMap(TString, TString);//// Serialization//ByteArrayOutputStream out = new ByteArrayOutputStream();Packer packer = msgpack.createPacker(out);// Serialize List objectList<String> list = new ArrayList<String>();list.add("msgpack");list.add("for");list.add("java");packer.write(list); // List object// Serialize Map objectMap<String, String> map = new HashMap<String, String>();map.put("sadayuki", "furuhashi");map.put("muga", "nishizawa");packer.write(map); // Map object//// Deserialization//byte[] bytes = out.toByteArray();ByteArrayInputStream in = new ByteArrayInputStream(bytes);Unpacker unpacker = msgpack.createUnpacker(in);// to List objectList<String> dstList = unpacker.read(listTmpl);// to Map objectMap<String, String> dstMap = unpacker.read(mapTmpl);} catch (Exception ex) {logger.error("MessagePack Serialization And Deserialization error", ex);}} }
https://www.cwiki.us/display/Serialization/QuickStart+For+MessagePack+Java+0.6.X