hessian.java

import com.caucho.hessian.io.Deflation;
import com.caucho.hessian.io.Hessian2Input;
import com.caucho.hessian.io.Hessian2Output;

import java.io.*;

public class HessianSerializer {
    
    public static byte[] toByteArray(Serializable o, boolean deflate, int expectedBytesCount) throws IOException {
        return toOutputStream(new ByteArrayOutputStream(expectedBytesCount), o, deflate).toByteArray();
    }

    public static <T extends OutputStream> T toOutputStream(T os, Serializable o, boolean deflate) throws IOException {
        
        Hessian2Output hout;
        if (deflate) {
            hout = new Deflation().wrap(new Hessian2Output(os));
        } else {
            hout = new Hessian2Output(os);
        }

        hout.writeObject(o);
        hout.close();

        return os;
    }

    public static <T> T fromByteArray(byte[] data, boolean deflate) throws IOException {
        return (T)fromOutputStream(new ByteArrayInputStream(data),deflate);
    }

    public static <X extends InputStream, T> T fromOutputStream(X is, boolean deflate) throws IOException {
        
        Hessian2Input hout;
        if (deflate) {
            hout = new Deflation().unwrap(new Hessian2Input(is));
        } else {
            hout = new Hessian2Input(is);
        }

        T result = (T)hout.readObject();
        hout.close();

        return result;
    }

}


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<dependency>
            <groupId>com.caucho</groupId>
            <artifactId>hessian</artifactId>
            <version>4.0.7</version>
        </dependency>