| /*
|
| * Copyright 1999-2011 Alibaba Group.
|
| *
|
| * Licensed under the Apache License, Version 2.0 (the "License");
|
| * you may not use this file except in compliance with the License.
|
| * You may obtain a copy of the License at
|
| *
|
| * http://www.apache.org/licenses/LICENSE-2.0
|
| *
|
| * Unless required by applicable law or agreed to in writing, software
|
| * distributed under the License is distributed on an "AS IS" BASIS,
|
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| * See the License for the specific language governing permissions and
|
| * limitations under the License.
|
| */
|
| package com.alibaba.dubbo.common.serialize.support.java; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.ObjectInputStream; |
| import java.lang.reflect.Type;
|
| |
| import com.alibaba.dubbo.common.serialize.ObjectInput; |
| |
| /** |
| * Java Object input. |
| * |
| * @author qian.lei |
| */ |
| |
| public class JavaObjectInput implements ObjectInput |
| { |
| public final static int MAX_BYTE_ARRAY_LENGTH = 8 * 1024 * 1024; |
| |
| private final ObjectInputStream mIn; |
| |
| public JavaObjectInput(InputStream is) throws IOException |
| { |
| mIn = new ObjectInputStream(is); |
| } |
| |
| public JavaObjectInput(InputStream is, boolean compacted) throws IOException |
| { |
| mIn = compacted ? new CompactedObjectInputStream(is) : new ObjectInputStream(is); |
| } |
| |
| public boolean readBool() throws IOException |
| { |
| return mIn.readBoolean(); |
| } |
| |
| public byte readByte() throws IOException |
| { |
| return mIn.readByte(); |
| } |
| |
| public short readShort() throws IOException |
| { |
| return mIn.readShort(); |
| } |
| |
| public int readInt() throws IOException |
| { |
| return mIn.readInt(); |
| } |
| |
| public long readLong() throws IOException |
| { |
| return mIn.readLong(); |
| } |
| |
| public float readFloat() throws IOException |
| { |
| return mIn.readFloat(); |
| } |
| |
| public double readDouble() throws IOException |
| { |
| return mIn.readDouble(); |
| } |
| |
| public byte[] readBytes() throws IOException |
| { |
| int len = mIn.readInt(); |
| if( len < 0 ) |
| return null; |
| if( len == 0 ) |
| return new byte[0]; |
| if( len > MAX_BYTE_ARRAY_LENGTH ) |
| throw new IOException("Byte array length too large. " + len); |
| |
| byte[] b = new byte[len]; |
| mIn.readFully(b); |
| return b; |
| } |
| |
| public String readUTF() throws IOException |
| { |
| int len = mIn.readInt(); |
| if( len < 0 ) |
| return null; |
| |
| return mIn.readUTF(); |
| } |
| |
| public Object readObject() throws IOException, ClassNotFoundException |
| { |
| byte b = mIn.readByte(); |
| if( b == 0 ) |
| return null; |
| |
| return mIn.readObject(); |
| } |
| |
| @SuppressWarnings("unchecked") |
| public <T> T readObject(Class<T> cls) throws IOException, |
| ClassNotFoundException { |
| return (T) readObject(); |
| } |
|
|
| @SuppressWarnings("unchecked")
|
| public <T> T readObject(Class<T> cls, Type type) throws IOException,ClassNotFoundException
|
| {
|
| return (T) readObject();
|
| }
|
| |
| } |