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protobuf serialization for pre-existing objects
//========================================================================
//Copyright 2007-2011 David Yu [email protected]
//------------------------------------------------------------------------
//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.dyuproject.protostuff.runtime;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_BIGDECIMAL;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_BIGINTEGER;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_BOOL;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_BYTE;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_BYTES;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_BYTE_ARRAY;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_CHAR;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_DATE;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_DELEGATE;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_DOUBLE;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_ENUM;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_FLOAT;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_INT32;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_INT64;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_OBJECT;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_POJO;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_SHORT;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_STRING;
import java.io.IOException;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.Date;
import com.dyuproject.protostuff.ByteString;
import com.dyuproject.protostuff.GraphInput;
import com.dyuproject.protostuff.Input;
import com.dyuproject.protostuff.Morph;
import com.dyuproject.protostuff.Output;
import com.dyuproject.protostuff.Pipe;
import com.dyuproject.protostuff.Schema;
import com.dyuproject.protostuff.Tag;
import com.dyuproject.protostuff.WireFormat.FieldType;
import com.dyuproject.protostuff.runtime.MappedSchema.Field;
/**
* Field factory via sun.misc.Unsafe.
*
* @author David Yu
* @created Jul 7, 2011
*/
public final class RuntimeUnsafeFieldFactory
{
private static final sun.misc.Unsafe us = initUnsafe();
private static sun.misc.Unsafe initUnsafe()
{
try
{
java.lang.reflect.Field f =
sun.misc.Unsafe.class.getDeclaredField("theUnsafe");
f.setAccessible(true);
return (sun.misc.Unsafe)f.get(null);
}
catch(Exception e)
{
// ignore
/* android 3.x
try
{
java.lang.reflect.Field f =
sun.misc.Unsafe.class.getDeclaredField("THE_ONE");
f.setAccessible(true);
return (sun.misc.Unsafe)f.get(null);
}
catch(Exception e1)
{
// ignore
}*/
}
return sun.misc.Unsafe.getUnsafe();
}
private RuntimeUnsafeFieldFactory() {}
public static final RuntimeFieldFactory CHAR = new RuntimeFieldFactory(ID_CHAR)
{
public Field create(int number, String name, final java.lang.reflect.Field f, IdStrategy strategy)
{
final boolean primitive = f.getType().isPrimitive();
final long offset = us.objectFieldOffset(f);
return new Field(FieldType.UINT32, number, name,
f.getAnnotation(Tag.class))
{
public void mergeFrom(Input input, T message) throws IOException
{
if(primitive)
us.putChar(message, offset, (char)input.readUInt32());
else
us.putObject(message, offset, Character.valueOf((char)input.readUInt32()));
}
public void writeTo(Output output, T message) throws IOException
{
if(primitive)
output.writeUInt32(number, us.getChar(message, offset), false);
else
{
Character value = (Character)us.getObject(message, offset);
if(value!=null)
output.writeUInt32(number, value.charValue(), false);
}
}
public void transfer(Pipe pipe, Input input, Output output,
boolean repeated) throws IOException
{
output.writeUInt32(number, input.readUInt32(), repeated);
}
};
}
public void transfer(Pipe pipe, Input input, Output output, int number,
boolean repeated) throws IOException
{
output.writeUInt32(number, input.readUInt32(), repeated);
}
public Character readFrom(Input input) throws IOException
{
return Character.valueOf((char)input.readUInt32());
}
public void writeTo(Output output, int number, Character value, boolean repeated)
throws IOException
{
output.writeUInt32(number, value.charValue(), repeated);
}
public FieldType getFieldType()
{
return FieldType.UINT32;
}
public Class typeClass()
{
return Character.class;
}
};
public static final RuntimeFieldFactory SHORT = new RuntimeFieldFactory(ID_SHORT)
{
public Field create(int number, String name, final java.lang.reflect.Field f, IdStrategy strategy)
{
final boolean primitive = f.getType().isPrimitive();
final long offset = us.objectFieldOffset(f);
return new Field(FieldType.UINT32, number, name,
f.getAnnotation(Tag.class))
{
public void mergeFrom(Input input, T message) throws IOException
{
if(primitive)
us.putShort(message, offset, (short)input.readUInt32());
else
us.putObject(message, offset, Short.valueOf((short)input.readUInt32()));
}
public void writeTo(Output output, T message) throws IOException
{
if(primitive)
output.writeUInt32(number, us.getShort(message, offset), false);
else
{
Short value = (Short)us.getObject(message, offset);
if(value!=null)
output.writeUInt32(number, value.shortValue(), false);
}
}
public void transfer(Pipe pipe, Input input, Output output,
boolean repeated) throws IOException
{
output.writeUInt32(number, input.readUInt32(), repeated);
}
};
}
public void transfer(Pipe pipe, Input input, Output output, int number,
boolean repeated) throws IOException
{
output.writeUInt32(number, input.readUInt32(), repeated);
}
public Short readFrom(Input input) throws IOException
{
return Short.valueOf((short)input.readUInt32());
}
public void writeTo(Output output, int number, Short value, boolean repeated)
throws IOException
{
output.writeUInt32(number, value.shortValue(), repeated);
}
public FieldType getFieldType()
{
return FieldType.UINT32;
}
public Class typeClass()
{
return Short.class;
}
};
public static final RuntimeFieldFactory BYTE = new RuntimeFieldFactory(ID_BYTE)
{
public Field create(int number, String name, final java.lang.reflect.Field f, IdStrategy strategy)
{
final boolean primitive = f.getType().isPrimitive();
final long offset = us.objectFieldOffset(f);
return new Field(FieldType.UINT32, number, name,
f.getAnnotation(Tag.class))
{
public void mergeFrom(Input input, T message) throws IOException
{
if(primitive)
us.putByte(message, offset, (byte)input.readUInt32());
else
us.putObject(message, offset, Byte.valueOf((byte)input.readUInt32()));
}
public void writeTo(Output output, T message) throws IOException
{
if(primitive)
output.writeUInt32(number, us.getByte(message, offset), false);
else
{
Byte value = (Byte)us.getObject(message, offset);
if(value!=null)
output.writeUInt32(number, value.byteValue(), false);
}
}
public void transfer(Pipe pipe, Input input, Output output,
boolean repeated) throws IOException
{
output.writeUInt32(number, input.readUInt32(), repeated);
}
};
}
public void transfer(Pipe pipe, Input input, Output output, int number,
boolean repeated) throws IOException
{
output.writeUInt32(number, input.readUInt32(), repeated);
}
public Byte readFrom(Input input) throws IOException
{
return Byte.valueOf((byte)input.readUInt32());
}
public void writeTo(Output output, int number, Byte value, boolean repeated)
throws IOException
{
output.writeUInt32(number, value.byteValue(), repeated);
}
public FieldType getFieldType()
{
return FieldType.UINT32;
}
public Class typeClass()
{
return Byte.class;
}
};
public static final RuntimeFieldFactory INT32 = new RuntimeFieldFactory(ID_INT32)
{
public Field create(int number, java.lang.String name,
final java.lang.reflect.Field f, IdStrategy strategy)
{
final boolean primitive = f.getType().isPrimitive();
final long offset = us.objectFieldOffset(f);
return new Field(FieldType.INT32, number, name,
f.getAnnotation(Tag.class))
{
public void mergeFrom(Input input, T message) throws IOException
{
if(primitive)
us.putInt(message, offset, input.readInt32());
else
us.putObject(message, offset, Integer.valueOf(input.readInt32()));
}
public void writeTo(Output output, T message) throws IOException
{
if(primitive)
output.writeInt32(number, us.getInt(message, offset), false);
else
{
Integer value = (Integer)us.getObject(message, offset);
if(value!=null)
output.writeInt32(number, value.intValue(), false);
}
}
public void transfer(Pipe pipe, Input input, Output output,
boolean repeated) throws IOException
{
output.writeInt32(number, input.readInt32(), repeated);
}
};
}
public void transfer(Pipe pipe, Input input, Output output, int number,
boolean repeated) throws IOException
{
output.writeInt32(number, input.readInt32(), repeated);
}
public Integer readFrom(Input input) throws IOException
{
return Integer.valueOf(input.readInt32());
}
public void writeTo(Output output, int number, Integer value, boolean repeated)
throws IOException
{
output.writeInt32(number, value.intValue(), repeated);
}
public FieldType getFieldType()
{
return FieldType.INT32;
}
public Class typeClass()
{
return Integer.class;
}
};
public static final RuntimeFieldFactory INT64 = new RuntimeFieldFactory(ID_INT64)
{
public Field create(int number, java.lang.String name,
final java.lang.reflect.Field f, IdStrategy strategy)
{
final boolean primitive = f.getType().isPrimitive();
final long offset = us.objectFieldOffset(f);
return new Field(FieldType.INT64, number, name,
f.getAnnotation(Tag.class))
{
public void mergeFrom(Input input, T message) throws IOException
{
if(primitive)
us.putLong(message, offset, input.readInt64());
else
us.putObject(message, offset, Long.valueOf(input.readInt64()));
}
public void writeTo(Output output, T message) throws IOException
{
if(primitive)
output.writeInt64(number, us.getLong(message, offset), false);
else
{
Long value = (Long)us.getObject(message, offset);
if(value!=null)
output.writeInt64(number, value.longValue(), false);
}
}
public void transfer(Pipe pipe, Input input, Output output,
boolean repeated) throws IOException
{
output.writeInt64(number, input.readInt64(), repeated);
}
};
}
public void transfer(Pipe pipe, Input input, Output output, int number,
boolean repeated) throws IOException
{
output.writeInt64(number, input.readInt64(), repeated);
}
public Long readFrom(Input input) throws IOException
{
return Long.valueOf(input.readInt64());
}
public void writeTo(Output output, int number, Long value, boolean repeated)
throws IOException
{
output.writeInt64(number, value.longValue(), repeated);
}
public FieldType getFieldType()
{
return FieldType.INT64;
}
public Class typeClass()
{
return Long.class;
}
};
public static final RuntimeFieldFactory FLOAT = new RuntimeFieldFactory(ID_FLOAT)
{
public Field create(int number, java.lang.String name,
final java.lang.reflect.Field f, IdStrategy strategy)
{
final boolean primitive = f.getType().isPrimitive();
final long offset = us.objectFieldOffset(f);
return new Field(FieldType.FLOAT, number, name,
f.getAnnotation(Tag.class))
{
public void mergeFrom(Input input, T message) throws IOException
{
if(primitive)
us.putFloat(message, offset, input.readFloat());
else
us.putObject(message, offset, new Float(input.readFloat()));
}
public void writeTo(Output output, T message) throws IOException
{
if(primitive)
output.writeFloat(number, us.getFloat(message, offset), false);
else
{
Float value = (Float)us.getObject(message, offset);
if(value!=null)
output.writeFloat(number, value.floatValue(), false);
}
}
public void transfer(Pipe pipe, Input input, Output output,
boolean repeated) throws IOException
{
output.writeFloat(number, input.readFloat(), repeated);
}
};
}
public void transfer(Pipe pipe, Input input, Output output, int number,
boolean repeated) throws IOException
{
output.writeFloat(number, input.readFloat(), repeated);
}
public Float readFrom(Input input) throws IOException
{
return new Float(input.readFloat());
}
public void writeTo(Output output, int number, Float value, boolean repeated)
throws IOException
{
output.writeFloat(number, value.floatValue(), repeated);
}
public FieldType getFieldType()
{
return FieldType.FLOAT;
}
public Class typeClass()
{
return Float.class;
}
};
public static final RuntimeFieldFactory DOUBLE = new RuntimeFieldFactory(ID_DOUBLE)
{
public Field create(int number, java.lang.String name,
final java.lang.reflect.Field f, IdStrategy strategy)
{
final boolean primitive = f.getType().isPrimitive();
final long offset = us.objectFieldOffset(f);
return new Field(FieldType.DOUBLE, number, name,
f.getAnnotation(Tag.class))
{
public void mergeFrom(Input input, T message) throws IOException
{
if(primitive)
us.putDouble(message, offset, input.readDouble());
else
us.putObject(message, offset, new Double(input.readDouble()));
}
public void writeTo(Output output, T message) throws IOException
{
if(primitive)
output.writeDouble(number, us.getDouble(message, offset), false);
else
{
Double value = (Double)us.getObject(message, offset);
if(value!=null)
output.writeDouble(number, value.doubleValue(), false);
}
}
public void transfer(Pipe pipe, Input input, Output output,
boolean repeated) throws IOException
{
output.writeDouble(number, input.readDouble(), repeated);
}
};
}
public void transfer(Pipe pipe, Input input, Output output, int number,
boolean repeated) throws IOException
{
output.writeDouble(number, input.readDouble(), repeated);
}
public Double readFrom(Input input) throws IOException
{
return new Double(input.readDouble());
}
public void writeTo(Output output, int number, Double value, boolean repeated)
throws IOException
{
output.writeDouble(number, value.doubleValue(), repeated);
}
public FieldType getFieldType()
{
return FieldType.DOUBLE;
}
public Class typeClass()
{
return Double.class;
}
};
public static final RuntimeFieldFactory BOOL = new RuntimeFieldFactory(ID_BOOL)
{
public Field create(int number, java.lang.String name,
final java.lang.reflect.Field f, IdStrategy strategy)
{
final boolean primitive = f.getType().isPrimitive();
final long offset = us.objectFieldOffset(f);
return new Field(FieldType.BOOL, number, name,
f.getAnnotation(Tag.class))
{
public void mergeFrom(Input input, T message) throws IOException
{
if(primitive)
us.putBoolean(message, offset, input.readBool());
else
us.putObject(message, offset, input.readBool() ? Boolean.TRUE : Boolean.FALSE);
}
public void writeTo(Output output, T message) throws IOException
{
if(primitive)
output.writeBool(number, us.getBoolean(message, offset), false);
else
{
Boolean value = (Boolean)us.getObject(message, offset);
if(value!=null)
output.writeBool(number, value.booleanValue(), false);
}
}
public void transfer(Pipe pipe, Input input, Output output,
boolean repeated) throws IOException
{
output.writeBool(number, input.readBool(), repeated);
}
};
}
public void transfer(Pipe pipe, Input input, Output output, int number,
boolean repeated) throws IOException
{
output.writeBool(number, input.readBool(), repeated);
}
public Boolean readFrom(Input input) throws IOException
{
return input.readBool() ? Boolean.TRUE : Boolean.FALSE;
}
public void writeTo(Output output, int number, Boolean value, boolean repeated)
throws IOException
{
output.writeBool(number, value.booleanValue(), repeated);
}
public FieldType getFieldType()
{
return FieldType.BOOL;
}
public Class typeClass()
{
return Boolean.class;
}
};
public static final RuntimeFieldFactory STRING = new RuntimeFieldFactory(ID_STRING)
{
public Field create(int number, java.lang.String name,
final java.lang.reflect.Field f, IdStrategy strategy)
{
final long offset = us.objectFieldOffset(f);
return new Field(FieldType.STRING, number, name,
f.getAnnotation(Tag.class))
{
public void mergeFrom(Input input, T message) throws IOException
{
us.putObject(message, offset, input.readString());
}
public void writeTo(Output output, T message) throws IOException
{
String value = (String)us.getObject(message, offset);
if(value!=null)
output.writeString(number, value, false);
}
public void transfer(Pipe pipe, Input input, Output output,
boolean repeated) throws IOException
{
input.transferByteRangeTo(output, true, number, repeated);
}
};
}
public void transfer(Pipe pipe, Input input, Output output, int number,
boolean repeated) throws IOException
{
input.transferByteRangeTo(output, true, number, repeated);
}
public String readFrom(Input input) throws IOException
{
return input.readString();
}
public void writeTo(Output output, int number, String value, boolean repeated)
throws IOException
{
output.writeString(number, value, repeated);
}
public FieldType getFieldType()
{
return FieldType.STRING;
}
public Class typeClass()
{
return String.class;
}
};
public static final RuntimeFieldFactory BYTES = new RuntimeFieldFactory(ID_BYTES)
{
public Field create(int number, java.lang.String name,
final java.lang.reflect.Field f, IdStrategy strategy)
{
final long offset = us.objectFieldOffset(f);
return new Field(FieldType.BYTES, number, name,
f.getAnnotation(Tag.class))
{
public void mergeFrom(Input input, T message) throws IOException
{
us.putObject(message, offset, input.readBytes());
}
public void writeTo(Output output, T message) throws IOException
{
ByteString bs = (ByteString)us.getObject(message, offset);
if(bs!=null)
output.writeBytes(number, bs, false);
}
public void transfer(Pipe pipe, Input input, Output output,
boolean repeated) throws IOException
{
input.transferByteRangeTo(output, false, number, repeated);
}
};
}
public void transfer(Pipe pipe, Input input, Output output, int number,
boolean repeated) throws IOException
{
input.transferByteRangeTo(output, false, number, repeated);
}
public ByteString readFrom(Input input) throws IOException
{
return input.readBytes();
}
public void writeTo(Output output, int number, ByteString value, boolean repeated)
throws IOException
{
output.writeBytes(number, value, repeated);
}
public FieldType getFieldType()
{
return FieldType.BYTES;
}
public Class typeClass()
{
return ByteString.class;
}
};
public static final RuntimeFieldFactory BYTE_ARRAY = new RuntimeFieldFactory(ID_BYTE_ARRAY)
{
public Field create(int number, java.lang.String name,
final java.lang.reflect.Field f, IdStrategy strategy)
{
final long offset = us.objectFieldOffset(f);
return new Field(FieldType.BYTES, number, name,
f.getAnnotation(Tag.class))
{
public void mergeFrom(Input input, T message) throws IOException
{
us.putObject(message, offset, input.readByteArray());
}
public void writeTo(Output output, T message) throws IOException
{
byte[] array = (byte[])us.getObject(message, offset);
if(array!=null)
output.writeByteArray(number, array, false);
}
public void transfer(Pipe pipe, Input input, Output output,
boolean repeated) throws IOException
{
input.transferByteRangeTo(output, false, number, repeated);
}
};
}
public void transfer(Pipe pipe, Input input, Output output, int number,
boolean repeated) throws IOException
{
input.transferByteRangeTo(output, false, number, repeated);
}
public byte[] readFrom(Input input) throws IOException
{
return input.readByteArray();
}
public void writeTo(Output output, int number, byte[] value, boolean repeated)
throws IOException
{
output.writeByteArray(number, value, repeated);
}
public FieldType getFieldType()
{
return FieldType.BYTES;
}
public Class typeClass()
{
return byte[].class;
}
};
public static final RuntimeFieldFactory ENUM = new RuntimeFieldFactory(ID_ENUM)
{
public Field create(int number, java.lang.String name,
final java.lang.reflect.Field f, IdStrategy strategy)
{
final EnumIO> eio = strategy.getEnumIO(f.getType());
final long offset = us.objectFieldOffset(f);
return new Field(FieldType.ENUM, number, name,
f.getAnnotation(Tag.class))
{
public void mergeFrom(Input input, T message) throws IOException
{
us.putObject(message, offset, eio.readFrom(input));
}
public void writeTo(Output output, T message) throws IOException
{
final Enum existing = (Enum)us.getObject(message, offset);
if(existing != null)
EnumIO.writeTo(output, number, repeated, existing);
}
public void transfer(Pipe pipe, Input input, Output output,
boolean repeated) throws IOException
{
EnumIO.transfer(pipe, input, output, number, repeated);
}
};
}
public void transfer(Pipe pipe, Input input, Output output, int number,
boolean repeated) throws IOException
{
throw new UnsupportedOperationException();
}
public Integer readFrom(Input input) throws IOException
{
throw new UnsupportedOperationException();
}
public void writeTo(Output output, int number, Integer value, boolean repeated) throws IOException
{
throw new UnsupportedOperationException();
}
public FieldType getFieldType()
{
throw new UnsupportedOperationException();
}
public Class typeClass()
{
throw new UnsupportedOperationException();
}
};
// NON-INLINE VALUES
static final RuntimeFieldFactory