Object,byte[],ByteBuffer之间的转换
package cn.vicky.utils; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.nio.ByteBuffer; import org.apache.mina.core.buffer.IoBuffer; /** * 对象序列化，反序列化（序列化对象转byte[],ByteBuffer, byte[]转object * * @author Vicky * @email eclipser@163.com */ public class ByteUtil { public static byte[] getBytes(Object obj) throws IOException { ByteArrayOutputStream bout = new ByteArrayOutputStream(); ObjectOutputStream out = new ObjectOutputStream(bout); out.writeObject(obj); out.flush(); byte[] bytes = bout.toByteArray(); bout.close(); out.close(); return bytes; } public static Object getObject(byte[] bytes) throws IOException, ClassNotFoundException { ByteArrayInputStream bi = new ByteArrayInputStream(bytes); ObjectInputStream oi = new ObjectInputStream(bi); Object obj = oi.readObject(); bi.close(); oi.close(); return obj; } public static Object getObject(ByteBuffer byteBuffer) throws ClassNotFoundException, IOException { // 需要mina框架的IoBuffer IoBuffer buffer = IoBuffer.allocate(byteBuffer.capacity()).setAutoExpand(true); // 自动展开 for (int i = 0; i < byteBuffer.capacity(); i++) { byteBuffer.position(i); buffer.put(byteBuffer.get()); } buffer.position(0); InputStream input = buffer.asInputStream(); ObjectInputStream oi = new ObjectInputStream(input); Object obj = oi.readObject(); input.close(); oi.close(); return obj; } public static ByteBuffer getByteBuffer(Object obj) throws IOException { byte[] bytes = ByteUtil.getBytes(obj); ByteBuffer buff = ByteBuffer.wrap(bytes); return buff; } }