Java Bytes类代码示例

import com.alibaba.dubbo.common.io.Bytes; //导入依赖的package包/类
@Test
public void testObjectArrayBuilder() throws Exception
{
	UnsafeByteArrayOutputStream os = new UnsafeByteArrayOutputStream();
	Builder<Object[]> builder = Builder.register(Object[].class);

	Object[] obj = new Object[5];
	obj[0] = "1234";
	obj[1] = new Double(109.23);
	obj[2] = "3455";
	obj[3] = null;
	obj[4] = Boolean.TRUE;

	builder.writeTo(obj, os);
	byte[] b = os.toByteArray();
	System.out.println("Object array:"+b.length+":"+Bytes.bytes2hex(b));

	Assert.assertArrayEquals(obj, builder.parseFrom(b));
}
 

import com.alibaba.dubbo.common.io.Bytes; //导入依赖的package包/类
@Ignore
   @Test
   @SuppressWarnings({ "rawtypes", "unchecked" })
   public void testBuilder_MyList() throws Exception
{
       Builder<MyList> b1 = Builder.register(MyList.class);
	MyList list = new MyList();
	list.add(new boolean[]{ true,false });
	list.add(new int[]{ 1,2,3,4,5 });
	list.add("String");
	list.add(4);
	list.code = 4321;
	
	UnsafeByteArrayOutputStream os = new UnsafeByteArrayOutputStream();
	b1.writeTo(list, os);
	byte[] b = os.toByteArray();
	System.out.println(b.length+":"+Bytes.bytes2hex(b));
	MyList result = b1.parseFrom(b);

	assertEquals(4, result.size());
	assertEquals(result.code, 4321);
	assertEquals(result.id, "feedback");
}
 

import com.alibaba.dubbo.common.io.Bytes; //导入依赖的package包/类
@Test
@SuppressWarnings({ "rawtypes", "unchecked" })
public void testBuilder_MyMap() throws Exception
{
    UnsafeByteArrayOutputStream os = new UnsafeByteArrayOutputStream();
    Builder<MyMap> b2 = Builder.register(MyMap.class);
    MyMap map = new MyMap();
    map.put("name", "qianlei");
    map.put("displayName", "钱磊");
    map.code = 4321;
    b2.writeTo(map, os);
    byte[] b = os.toByteArray();
    System.out.println(b.length+":"+Bytes.bytes2hex(b));
    
    map = b2.parseFrom(b);
    
    assertEquals(map.size(), 2);
    assertEquals(map.code, 4321);
    assertEquals(map.id, "feedback");
}
 

import com.alibaba.dubbo.common.io.Bytes; //导入依赖的package包/类
protected void encodeRequest(Channel channel, ChannelBuffer buffer, Request req) throws IOException {
    Serialization serialization = getSerialization(channel);
    // header.
    byte[] header = new byte[HEADER_LENGTH];
    // set magic number.
    Bytes.short2bytes(MAGIC, header);

    // set request and serialization flag.
    header[2] = (byte) (FLAG_REQUEST | serialization.getContentTypeId());

    if (req.isTwoWay()) header[2] |= FLAG_TWOWAY;
    if (req.isEvent()) header[2] |= FLAG_EVENT;

    // set request id.
    Bytes.long2bytes(req.getId(), header, 4);

    // encode request data.
    int savedWriteIndex = buffer.writerIndex();
    buffer.writerIndex(savedWriteIndex + HEADER_LENGTH);
    ChannelBufferOutputStream bos = new ChannelBufferOutputStream(buffer);
    ObjectOutput out = serialization.serialize(channel.getUrl(), bos);
    if (req.isEvent()) {
        encodeEventData(channel, out, req.getData());
    } else {
        encodeRequestData(channel, out, req.getData());
    }
    out.flushBuffer();
    bos.flush();
    bos.close();
    int len = bos.writtenBytes();
    checkPayload(channel, len);
    Bytes.int2bytes(len, header, 12);

    // write
    buffer.writerIndex(savedWriteIndex);
    buffer.writeBytes(header); // write header.
    buffer.writerIndex(savedWriteIndex + HEADER_LENGTH + len);
}
 

import com.alibaba.dubbo.common.io.Bytes; //导入依赖的package包/类
protected void encodeRequest(Channel channel, OutputStream os, Request req) throws IOException {
    Serialization serialization = CodecSupport.getSerialization(channel.getUrl());
    // header.
    byte[] header = new byte[HEADER_LENGTH];
    // set magic number.
    Bytes.short2bytes(MAGIC, header);

    // set request and serialization flag.
    header[2] = (byte) (FLAG_REQUEST | serialization.getContentTypeId());

    if (req.isTwoWay()) header[2] |= FLAG_TWOWAY;
    if (req.isEvent()) header[2] |= FLAG_EVENT;

    // set request id.
    Bytes.long2bytes(req.getId(), header, 4);

    // encode request data.
    UnsafeByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(1024);
    ObjectOutput out = serialization.serialize(channel.getUrl(), bos);
    if (req.isEvent()) {
        encodeEventData(channel, out, req.getData());
    } else {
        encodeRequestData(channel, out, req.getData());
    }
    out.flushBuffer();
    bos.flush();
    bos.close();
    byte[] data = bos.toByteArray();
    checkPayload(channel, data.length);
    Bytes.int2bytes(data.length, header, 12);

    // write
    os.write(header); // write header.
    os.write(data); // write data.
}
 

import com.alibaba.dubbo.common.io.Bytes; //导入依赖的package包/类
private byte[] getRequestBytes(Object obj, byte[] header) throws IOException{
    // encode request data.
    UnsafeByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(1024);
    ObjectOutput out = serialization.serialize(url, bos);
    out.writeObject(obj);
    
    out.flushBuffer();
    bos.flush();
    bos.close();
    byte[] data = bos.toByteArray();
    byte[] len = Bytes.int2bytes(data.length);
    System.arraycopy(len, 0, header, 12, 4);
    byte[] request = join(header, data);
    return request;
}
 

import com.alibaba.dubbo.common.io.Bytes; //导入依赖的package包/类
@Test
public void test_Decode_Check_Payload() throws IOException {
    byte[] header = new byte[]{MAGIC_HIGH, MAGIC_LOW, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1};
    byte[] request = assemblyDataProtocol(header);
    try {
        testDecode_assertEquals(request, TelnetCodec.DecodeResult.NEED_MORE_INPUT);
        fail();
    } catch (IOException expected) {
        Assert.assertTrue(expected.getMessage().startsWith("Data length too large: " + Bytes.bytes2int(new byte[]{1, 1, 1, 1})));
    }
}
 

import com.alibaba.dubbo.common.io.Bytes; //导入依赖的package包/类
public void write( int b ) {

        int newcount = count + 1;
        if ( newcount > buffer.length )
            buffer = Bytes.copyOf( buffer, Math.max( buffer.length << 1, newcount ) );
        buffer[count] = ( byte ) b;
        count = newcount;
    }
 

import com.alibaba.dubbo.common.io.Bytes; //导入依赖的package包/类
@Test
public void testPrimaryTypeBuilder() throws Exception
{
	System.out.println((new byte[2]).hashCode());
	Builder<String> builder = Builder.register(String.class);
	UnsafeByteArrayOutputStream os = new UnsafeByteArrayOutputStream();
	String v = "123";
	builder.writeTo(v, os);
	byte[] b = os.toByteArray();
	System.out.println(b.length+":"+Bytes.bytes2hex(b));
	v = builder.parseFrom(b);
	builder.writeTo(v, os);
	b = os.toByteArray();
	System.out.println(b.length+":"+Bytes.bytes2hex(b));
}
 

import com.alibaba.dubbo.common.io.Bytes; //导入依赖的package包/类
@Test
public void testEnumBuilder() throws Exception
{
	Builder<Type> builder = Builder.register(Type.class);
	UnsafeByteArrayOutputStream os = new UnsafeByteArrayOutputStream();
	Type v = Type.High;
	builder.writeTo(v, os);
	byte[] b = os.toByteArray();
	System.out.println(b.length+":"+Bytes.bytes2hex(b));
	v = builder.parseFrom(b);
}
 

import com.alibaba.dubbo.common.io.Bytes; //导入依赖的package包/类
@Test
public void testThrowableBuilder() throws Exception
{
	Builder<Throwable> builder = Builder.register(Throwable.class);
	Throwable th = new Throwable();
	UnsafeByteArrayOutputStream os = new UnsafeByteArrayOutputStream();
	builder.writeTo(th, os);
	byte[] b = os.toByteArray();
	System.out.println(b.length+":"+Bytes.bytes2hex(b));

	th = builder.parseFrom(b);
}
 

import com.alibaba.dubbo.common.io.Bytes; //导入依赖的package包/类
@Test
public void testObjectBuilder() throws Exception
{
	UnsafeByteArrayOutputStream os = new UnsafeByteArrayOutputStream();
	Builder<Bean> BeanBuilder = Builder.register(Bean.class);

	Bean bean = new Bean();
	bean.name = "ql";
	bean.type = Type.High;
	bean.types = new Type[]{ Type.High, Type.High };
	BeanBuilder.writeTo(bean, os);

	byte[] b = os.toByteArray();
	System.out.println(b.length+":"+Bytes.bytes2hex(b));

	bean = BeanBuilder.parseFrom(b);
	assertNull(bean.time);
	assertEquals(bean.i, 123123);
	assertEquals(bean.ni, -12344);
	assertEquals(bean.d, 12.345);
	assertEquals(bean.nd, -12.345);
	assertEquals(bean.l, 1281447759383l);
	assertEquals(bean.nl, -13445l);
	assertEquals(bean.vl, 100l);
	assertEquals(bean.type, Type.High);
	assertEquals(bean.types.length, 2);
	assertEquals(bean.types[0], Type.High);
	assertEquals(bean.types[1], Type.High);
	assertEquals(bean.list.size(), 3);
	assertEquals(bean.list.get(0), 1);
	assertEquals(bean.list.get(1), 2);
	assertEquals(bean.list.get(2), 1308147);
}
 

import com.alibaba.dubbo.common.io.Bytes; //导入依赖的package包/类
@Test
@SuppressWarnings("unchecked")
public void testSerializableBean() throws Exception
{
	System.out.println("testSerializableBean");
	UnsafeByteArrayOutputStream os = new UnsafeByteArrayOutputStream();

	SerializableBean sb = new SerializableBean();
	Builder<SerializableBean> sbb = Builder.register(SerializableBean.class);
	sbb.writeTo(sb, os);

	byte[] b = os.toByteArray();
	System.out.println(b.length+":"+Bytes.bytes2hex(b));
	assertEquals(sbb.parseFrom(os.toByteArray()), sb);
}