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com.dyuproject.protostuff.runtime.ObjectSchema Maven / Gradle / Ivy
//========================================================================
//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.BIGDECIMAL;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.BIGINTEGER;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.BOOL;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.BYTE;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.BYTES;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.BYTE_ARRAY;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.CHAR;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.DATE;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.DOUBLE;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.FLOAT;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_ARRAY;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_ARRAY_DELEGATE;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_ARRAY_ENUM;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_ARRAY_MAPPED;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_ARRAY_POJO;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_ARRAY_SCALAR;
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_CLASS;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_CLASS_ARRAY;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_CLASS_ARRAY_MAPPED;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_CLASS_MAPPED;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_COLLECTION;
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_ENUM_MAP;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_ENUM_SET;
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_MAP;
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_POLYMORPHIC_COLLECTION;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_POLYMORPHIC_MAP;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_SHORT;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_STRING;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.ID_THROWABLE;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.INT32;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.INT64;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.SHORT;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STRING;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_ARRAY;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_ARRAY_DELEGATE;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_ARRAY_ENUM;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_ARRAY_MAPPED;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_ARRAY_POJO;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_ARRAY_SCALAR;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_BIGDECIMAL;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_BIGINTEGER;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_BOOL;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_BYTE;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_BYTES;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_BYTE_ARRAY;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_CHAR;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_CLASS;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_CLASS_ARRAY;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_CLASS_ARRAY_MAPPED;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_CLASS_MAPPED;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_COLLECTION;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_DATE;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_DELEGATE;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_DOUBLE;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_ENUM;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_ENUM_MAP;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_ENUM_SET;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_FLOAT;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_INT32;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_INT64;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_MAP;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_OBJECT;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_POJO;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_POLYMOPRHIC_MAP;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_POLYMORPHIC_COLLECTION;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_SHORT;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_STRING;
import static com.dyuproject.protostuff.runtime.RuntimeFieldFactory.STR_THROWABLE;
import java.io.IOException;
import java.lang.reflect.Array;
import java.util.Collection;
import java.util.Collections;
import java.util.EnumMap;
import java.util.EnumSet;
import java.util.Iterator;
import java.util.Map;
import com.dyuproject.protostuff.GraphInput;
import com.dyuproject.protostuff.Input;
import com.dyuproject.protostuff.Message;
import com.dyuproject.protostuff.Output;
import com.dyuproject.protostuff.Pipe;
import com.dyuproject.protostuff.ProtostuffException;
import com.dyuproject.protostuff.Schema;
import com.dyuproject.protostuff.StatefulOutput;
/**
* A schema for dynamic types (fields where the type is {@link Object}).
*
* @author David Yu
* @created Feb 1, 2011
*/
public abstract class ObjectSchema extends PolymorphicSchema
{
static final int ID_ENUM_VALUE = 1;
static final int ID_ARRAY_LEN = 3;
static final int ID_ARRAY_DIMENSION = 2;
static String name(int number)
{
switch(number)
{
case ID_POLYMORPHIC_COLLECTION:
return STR_POLYMORPHIC_COLLECTION;
case ID_POLYMORPHIC_MAP:
return STR_POLYMOPRHIC_MAP;
case ID_DELEGATE:
return STR_DELEGATE;
case ID_ARRAY_DELEGATE:
return STR_ARRAY_DELEGATE;
case ID_ARRAY_SCALAR:
return STR_ARRAY_SCALAR;
case ID_ARRAY_ENUM:
return STR_ARRAY_ENUM;
case ID_ARRAY_POJO:
return STR_ARRAY_POJO;
case ID_THROWABLE:
return STR_THROWABLE;
case ID_BOOL:
return STR_BOOL;
case ID_BYTE:
return STR_BYTE;
case ID_CHAR:
return STR_CHAR;
case ID_SHORT:
return STR_SHORT;
case ID_INT32:
return STR_INT32;
case ID_INT64:
return STR_INT64;
case ID_FLOAT:
return STR_FLOAT;
case ID_DOUBLE:
return STR_DOUBLE;
case ID_STRING:
return STR_STRING;
case ID_BYTES:
return STR_BYTES;
case ID_BYTE_ARRAY:
return STR_BYTE_ARRAY;
case ID_BIGDECIMAL:
return STR_BIGDECIMAL;
case ID_BIGINTEGER:
return STR_BIGINTEGER;
case ID_DATE:
return STR_DATE;
case ID_ARRAY:
return STR_ARRAY;
case ID_OBJECT:
return STR_OBJECT;
case ID_ARRAY_MAPPED:
return STR_ARRAY_MAPPED;
case ID_CLASS:
return STR_CLASS;
case ID_CLASS_MAPPED:
return STR_CLASS_MAPPED;
case ID_CLASS_ARRAY:
return STR_CLASS_ARRAY;
case ID_CLASS_ARRAY_MAPPED:
return STR_CLASS_ARRAY_MAPPED;
case ID_ENUM_SET:
return STR_ENUM_SET;
case ID_ENUM_MAP:
return STR_ENUM_MAP;
case ID_ENUM:
return STR_ENUM;
case ID_COLLECTION:
return STR_COLLECTION;
case ID_MAP:
return STR_MAP;
case ID_POJO:
return STR_POJO;
default:
return null;
}
}
static int number(String name)
{
if(name.length() != 1)
return 0;
switch(name.charAt(0))
{
case 'B':
return 28;
case 'C':
return 29;
case 'D':
return 30;
case 'F':
return 32;
case 'G':
return 33;
case 'H':
return 34;
case 'I':
return 35;
case 'Z':
return 52;
case '_':
return 127;
case 'a':
return 1;
case 'b':
return 2;
case 'c':
return 3;
case 'd':
return 4;
case 'e':
return 5;
case 'f':
return 6;
case 'g':
return 7;
case 'h':
return 8;
case 'i':
return 9;
case 'j':
return 10;
case 'k':
return 11;
case 'l':
return 12;
case 'm':
return 13;
case 'n':
return 14;
case 'o':
return 15;
case 'p':
return 16;
case 'q':
return 17;
case 'r':
return 18;
case 's':
return 19;
case 't':
return 20;
case 'u':
return 21;
case 'v':
return 22;
case 'w':
return 23;
case 'x':
return 24;
case 'y':
return 25;
case 'z':
return 26;
default:
return 0;
}
}
protected final Pipe.Schema pipeSchema = new Pipe.Schema(this)
{
protected void transfer(Pipe pipe, Input input, Output output) throws IOException
{
transferObject(this, pipe, input, output, strategy);
}
};
public ObjectSchema(IdStrategy strategy)
{
super(strategy);
}
public Pipe.Schema getPipeSchema()
{
return pipeSchema;
}
public String getFieldName(int number)
{
return name(number);
}
public int getFieldNumber(String name)
{
return number(name);
}
public String messageFullName()
{
return Object.class.getName();
}
public String messageName()
{
return Object.class.getSimpleName();
}
public void mergeFrom(Input input, Object owner) throws IOException
{
setValue(readObjectFrom(input, this, owner, strategy), owner);
}
public void writeTo(Output output, Object value) throws IOException
{
writeObjectTo(output, value, this, strategy);
}
static ArrayWrapper newArrayWrapper(Input input, Schema schema,
boolean mapped, IdStrategy strategy) throws IOException
{
final Class componentType = strategy.resolveArrayComponentTypeFrom(
input, mapped);
if(input.readFieldNumber(schema) != ID_ARRAY_LEN)
throw new ProtostuffException("Corrupt input.");
final int len = input.readUInt32();
if(input.readFieldNumber(schema) != ID_ARRAY_DIMENSION)
throw new ProtostuffException("Corrupt input.");
final int dimensions = input.readUInt32();
if(dimensions == 1)
return new ArrayWrapper(Array.newInstance(componentType, len));
final int[] arg = new int[dimensions];
arg[0] = len;
return new ArrayWrapper(Array.newInstance(componentType, arg));
}
static void transferArray(Pipe pipe, Input input, Output output, int number,
Pipe.Schema pipeSchema, boolean mapped, IdStrategy strategy) throws IOException
{
strategy.transferArrayId(input, output, number, mapped);
if(input.readFieldNumber(pipeSchema.wrappedSchema) != ID_ARRAY_LEN)
throw new ProtostuffException("Corrupt input.");
output.writeUInt32(ID_ARRAY_LEN, input.readUInt32(), false);
if(input.readFieldNumber(pipeSchema.wrappedSchema) != ID_ARRAY_DIMENSION)
throw new ProtostuffException("Corrupt input.");
output.writeUInt32(ID_ARRAY_DIMENSION, input.readUInt32(), false);
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(strategy.ARRAY_PIPE_SCHEMA, pipeSchema);
}
Pipe.transferDirect(strategy.ARRAY_PIPE_SCHEMA, pipe, input, output);
}
static void transferClass(Pipe pipe, Input input, Output output, int number,
Pipe.Schema pipeSchema, boolean mapped, boolean array,
IdStrategy strategy) throws IOException
{
strategy.transferClassId(input, output, number, mapped, array);
if(array)
{
if(input.readFieldNumber(pipeSchema.wrappedSchema) != ID_ARRAY_DIMENSION)
throw new ProtostuffException("Corrupt input.");
output.writeUInt32(ID_ARRAY_DIMENSION, input.readUInt32(), false);
}
}
static Class getArrayClass(Input input, Schema schema,
final Class componentType) throws IOException
{
if(input.readFieldNumber(schema) != ID_ARRAY_DIMENSION)
throw new ProtostuffException("Corrupt input.");
final int dimensions = input.readUInt32();
// TODO is there another way (reflection) to obtain an array class?
if(dimensions == 1)
return Array.newInstance(componentType, 0).getClass();
final int[] arg = new int[dimensions];
arg[0] = 0;
return Array.newInstance(componentType, arg).getClass();
}
@SuppressWarnings("unchecked")
static Object readObjectFrom(final Input input, final Schema schema,
Object owner, IdStrategy strategy) throws IOException
{
Object value = null;
final int number = input.readFieldNumber(schema);
switch(number)
{
case ID_BOOL:
value = BOOL.readFrom(input);
break;
case ID_BYTE:
value = BYTE.readFrom(input);
break;
case ID_CHAR:
value = CHAR.readFrom(input);
break;
case ID_SHORT:
value = SHORT.readFrom(input);
break;
case ID_INT32:
value = INT32.readFrom(input);
break;
case ID_INT64:
value = INT64.readFrom(input);
break;
case ID_FLOAT:
value = FLOAT.readFrom(input);
break;
case ID_DOUBLE:
value = DOUBLE.readFrom(input);
break;
case ID_STRING:
value = STRING.readFrom(input);
break;
case ID_BYTES:
value = BYTES.readFrom(input);
break;
case ID_BYTE_ARRAY:
value = BYTE_ARRAY.readFrom(input);
break;
case ID_BIGDECIMAL:
value = BIGDECIMAL.readFrom(input);
break;
case ID_BIGINTEGER:
value = BIGINTEGER.readFrom(input);
break;
case ID_DATE:
value = DATE.readFrom(input);
break;
case ID_ARRAY:
{
final ArrayWrapper arrayWrapper = newArrayWrapper(input, schema, false,
strategy);
if(input instanceof GraphInput)
{
// update the actual reference.
((GraphInput)input).updateLast(arrayWrapper.array, owner);
}
strategy.COLLECTION_SCHEMA.mergeFrom(input, arrayWrapper);
return arrayWrapper.array;
}
case ID_OBJECT:
if(input.readUInt32() != 0)
throw new ProtostuffException("Corrupt input.");
value = new Object();
break;
case ID_ARRAY_MAPPED:
{
final ArrayWrapper mArrayWrapper = newArrayWrapper(input, schema, true,
strategy);
if(input instanceof GraphInput)
{
// update the actual reference.
((GraphInput)input).updateLast(mArrayWrapper.array, owner);
}
strategy.COLLECTION_SCHEMA.mergeFrom(input, mArrayWrapper);
return mArrayWrapper.array;
}
case ID_CLASS:
value = strategy.resolveClassFrom(input, false, false);
break;
case ID_CLASS_MAPPED:
value = strategy.resolveClassFrom(input, true, false);
break;
case ID_CLASS_ARRAY:
value = getArrayClass(input, schema,
strategy.resolveClassFrom(input, false, true));
break;
case ID_CLASS_ARRAY_MAPPED:
value = getArrayClass(input, schema,
strategy.resolveClassFrom(input, true, true));
break;
case ID_ENUM:
{
final EnumIO eio = strategy.resolveEnumFrom(input);
if(input.readFieldNumber(schema) != ID_ENUM_VALUE)
throw new ProtostuffException("Corrupt input.");
value = eio.readFrom(input);
break;
}
case ID_ENUM_SET:
{
final Collection es = strategy.resolveEnumFrom(input).newEnumSet();
if(input instanceof GraphInput)
{
// update the actual reference.
((GraphInput)input).updateLast(es, owner);
}
strategy.COLLECTION_SCHEMA.mergeFrom(input, (Collection)es);
return es;
}
case ID_ENUM_MAP:
{
final Map em = strategy.resolveEnumFrom(input).newEnumMap();
if(input instanceof GraphInput)
{
// update the actual reference.
((GraphInput)input).updateLast(em, owner);
}
strategy.MAP_SCHEMA.mergeFrom(input, (Map)em);
return em;
}
case ID_COLLECTION:
{
final Collection collection = strategy.resolveCollectionFrom(
input).newMessage();
if(input instanceof GraphInput)
{
// update the actual reference.
((GraphInput)input).updateLast(collection, owner);
}
strategy.COLLECTION_SCHEMA.mergeFrom(input, collection);
return collection;
}
case ID_MAP:
{
final Map map =
strategy.resolveMapFrom(input).newMessage();
if(input instanceof GraphInput)
{
// update the actual reference.
((GraphInput)input).updateLast(map, owner);
}
strategy.MAP_SCHEMA.mergeFrom(input, map);
return map;
}
case ID_POLYMORPHIC_COLLECTION:
{
if(0 != input.readUInt32())
throw new ProtostuffException("Corrupt input.");
final Object collection = PolymorphicCollectionSchema.readObjectFrom(input,
strategy.POLYMORPHIC_COLLECTION_SCHEMA, owner, strategy);
if(input instanceof GraphInput)
{
// update the actual reference.
((GraphInput)input).updateLast(collection, owner);
}
return collection;
}
case ID_POLYMORPHIC_MAP:
{
if(0 != input.readUInt32())
throw new ProtostuffException("Corrupt input.");
final Object map = PolymorphicMapSchema.readObjectFrom(input,
strategy.POLYMORPHIC_MAP_SCHEMA, owner, strategy);
if(input instanceof GraphInput)
{
// update the actual reference.
((GraphInput)input).updateLast(map, owner);
}
return map;
}
case ID_DELEGATE:
{
final HasDelegate hd = strategy.resolveDelegateFrom(input);
if(1 != input.readFieldNumber(schema))
throw new ProtostuffException("Corrupt input.");
value = hd.delegate.readFrom(input);
break;
}
case ID_ARRAY_DELEGATE:
{
final HasDelegate hd = strategy.resolveDelegateFrom(input);
return hd.genericElementSchema.readFrom(input, owner);
}
case ID_ARRAY_SCALAR:
{
final int arrayId = input.readUInt32(),
id = ArraySchemas.toInlineId(arrayId);
final ArraySchemas.Base arraySchema = ArraySchemas.getSchema(id,
ArraySchemas.isPrimitive(arrayId), strategy);
return arraySchema.readFrom(input, owner);
}
case ID_ARRAY_ENUM:
{
final EnumIO eio = strategy.resolveEnumFrom(input);
return eio.genericElementSchema.readFrom(input, owner);
}
case ID_ARRAY_POJO:
{
final HasSchema hs = strategy.resolvePojoFrom(input, number);
return hs.genericElementSchema.readFrom(input, owner);
}
case ID_THROWABLE:
return PolymorphicThrowableSchema.readObjectFrom(input, schema, owner,
strategy, number);
case ID_POJO:
{
final Schema derivedSchema = strategy.resolvePojoFrom(
input, number).getSchema();
final Object pojo = derivedSchema.newMessage();
if(input instanceof GraphInput)
{
// update the actual reference.
((GraphInput)input).updateLast(pojo, owner);
}
derivedSchema.mergeFrom(input, pojo);
return pojo;
}
default:
throw new ProtostuffException("Corrupt input. Unknown field number: " + number);
}
if(input instanceof GraphInput)
{
// update the actual reference.
((GraphInput)input).updateLast(value, owner);
}
if(input.readFieldNumber(schema) != 0)
throw new ProtostuffException("Corrupt input.");
return value;
}
@SuppressWarnings("unchecked")
static void writeObjectTo(Output output, Object value,
Schema currentSchema, IdStrategy strategy) throws IOException
{
final Class clazz = (Class)value.getClass();
final HasDelegate hd = strategy.tryWriteDelegateIdTo(output,
ID_DELEGATE, clazz);
if(hd != null)
{
hd.delegate.writeTo(output, 1, value, false);
return;
}
final RuntimeFieldFactory inline = RuntimeFieldFactory.getInline(clazz);
if(inline != null)
{
// scalar value
inline.writeTo(output, inline.id, value, false);
return;
}
if(Message.class.isAssignableFrom(clazz))
{
final Schema schema = strategy.writeMessageIdTo(
output, ID_POJO, (Message)value);
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(schema, currentSchema);
}
schema.writeTo(output, value);
return;
}
if(clazz.isEnum())
{
strategy.writeEnumIdTo(output, ID_ENUM, clazz);
EnumIO.writeTo(output, ID_ENUM_VALUE, false, (Enum)value);
return;
}
if(clazz.getSuperclass() != null && clazz.getSuperclass().isEnum())
{
strategy.writeEnumIdTo(output, ID_ENUM, clazz.getSuperclass());
EnumIO.writeTo(output, ID_ENUM_VALUE, false, (Enum)value);
return;
}
if(clazz.isArray())
{
Class componentType = clazz.getComponentType();
final HasDelegate hdArray = strategy.tryWriteDelegateIdTo(output,
ID_ARRAY_DELEGATE, (Class)componentType);
if(hdArray != null)
{
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(hdArray.genericElementSchema,
currentSchema);
}
hdArray.genericElementSchema.writeTo(output, value);
return;
}
final RuntimeFieldFactory inlineArray = RuntimeFieldFactory.getInline(
componentType);
if(inlineArray != null)
{
// scalar
final boolean primitive = componentType.isPrimitive();
final ArraySchemas.Base arraySchema = ArraySchemas.getSchema(
inlineArray.id, primitive, strategy);
output.writeUInt32(ID_ARRAY_SCALAR,
ArraySchemas.toArrayId(inlineArray.id, primitive),
false);
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(arraySchema, currentSchema);
}
arraySchema.writeTo(output, value);
return;
}
if(componentType.isEnum())
{
// enum
final EnumIO eio = strategy.getEnumIO(componentType);
strategy.writeEnumIdTo(output, ID_ARRAY_ENUM, componentType);
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(eio.genericElementSchema,
currentSchema);
}
eio.genericElementSchema.writeTo(output, value);
return;
}
if(Message.class.isAssignableFrom(componentType) ||
strategy.isRegistered(componentType))
{
// messsage / registered pojo
final HasSchema hs = strategy.writePojoIdTo(output,
ID_ARRAY_POJO, (Class)componentType);
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(hs.genericElementSchema,
currentSchema);
}
hs.genericElementSchema.writeTo(output, value);
return;
}
/*if(!Throwable.class.isAssignableFrom(componentType))
{
boolean create = Message.class.isAssignableFrom(componentType);
HasSchema hs = strategy.getSchemaWrapper(
(Class)componentType, create);
if(hs != null)
{
}
}*/
// complex type
int dimensions = 1;
while(componentType.isArray())
{
dimensions++;
componentType = componentType.getComponentType();
}
strategy.writeArrayIdTo(output, componentType);
// write the length of the array
output.writeUInt32(ID_ARRAY_LEN, ((Object[])value).length, false);
// write the dimensions of the array
output.writeUInt32(ID_ARRAY_DIMENSION, dimensions, false);
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(strategy.ARRAY_SCHEMA, currentSchema);
}
strategy.ARRAY_SCHEMA.writeTo(output, value);
return;
}
if(Object.class == clazz)
{
output.writeUInt32(ID_OBJECT, 0, false);
return;
}
if(Class.class == value.getClass())
{
// its a class
final Class c = ((Class)value);
if(c.isArray())
{
int dimensions = 1;
Class componentType = c.getComponentType();
while(componentType.isArray())
{
dimensions++;
componentType = componentType.getComponentType();
}
strategy.writeClassIdTo(output, componentType, true);
// write the dimensions of the array
output.writeUInt32(ID_ARRAY_DIMENSION, dimensions, false);
return;
}
strategy.writeClassIdTo(output, c, false);
return;
}
if (Throwable.class.isAssignableFrom(clazz))
{
// throwable
PolymorphicThrowableSchema.writeObjectTo(output, value, currentSchema,
strategy);
return;
}
// pojos
final HasSchema hs = strategy.getRegistered(clazz);
if (hs != null)
{
// pojo
final Schema schema = hs.getSchema();
strategy.writePojoIdTo(output, ID_POJO, clazz, hs);
if (output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(schema, currentSchema);
}
schema.writeTo(output, value);
return;
}
if(Map.class.isAssignableFrom(clazz))
{
if(Collections.class == clazz.getDeclaringClass())
{
output.writeUInt32(ID_POLYMORPHIC_MAP, 0, false);
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(
strategy.POLYMORPHIC_MAP_SCHEMA, currentSchema);
}
PolymorphicMapSchema.writeNonPublicMapTo(output, value,
strategy.POLYMORPHIC_MAP_SCHEMA, strategy);
return;
}
if(EnumMap.class.isAssignableFrom(clazz))
{
strategy.writeEnumIdTo(output, ID_ENUM_MAP,
EnumIO.getKeyTypeFromEnumMap(value));
}
else
{
strategy.writeMapIdTo(output, ID_MAP, clazz);
}
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(strategy.MAP_SCHEMA, currentSchema);
}
strategy.MAP_SCHEMA.writeTo(output, (Map)value);
return;
}
if(Collection.class.isAssignableFrom(clazz))
{
if(Collections.class == clazz.getDeclaringClass())
{
output.writeUInt32(ID_POLYMORPHIC_COLLECTION, 0, false);
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(
strategy.POLYMORPHIC_COLLECTION_SCHEMA, currentSchema);
}
PolymorphicCollectionSchema.writeNonPublicCollectionTo(output, value,
strategy.POLYMORPHIC_COLLECTION_SCHEMA, strategy);
return;
}
if(EnumSet.class.isAssignableFrom(clazz))
{
strategy.writeEnumIdTo(output, ID_ENUM_SET,
EnumIO.getElementTypeFromEnumSet(value));
}
else
{
strategy.writeCollectionIdTo(output, ID_COLLECTION, clazz);
}
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(strategy.COLLECTION_SCHEMA, currentSchema);
}
strategy.COLLECTION_SCHEMA.writeTo(output, (Collection)value);
return;
}
// pojo
final Schema schema = strategy.writePojoIdTo(
output, ID_POJO, clazz).getSchema();
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(schema, currentSchema);
}
schema.writeTo(output, value);
}
static void transferObject(Pipe.Schema pipeSchema, Pipe pipe,
Input input, Output output, IdStrategy strategy) throws IOException
{
final int number = input.readFieldNumber(pipeSchema.wrappedSchema);
switch(number)
{
case ID_BOOL:
BOOL.transfer(pipe, input, output, number, false);
break;
case ID_BYTE:
BYTE.transfer(pipe, input, output, number, false);
break;
case ID_CHAR:
CHAR.transfer(pipe, input, output, number, false);
break;
case ID_SHORT:
SHORT.transfer(pipe, input, output, number, false);
break;
case ID_INT32:
INT32.transfer(pipe, input, output, number, false);
break;
case ID_INT64:
INT64.transfer(pipe, input, output, number, false);
break;
case ID_FLOAT:
FLOAT.transfer(pipe, input, output, number, false);
break;
case ID_DOUBLE:
DOUBLE.transfer(pipe, input, output, number, false);
break;
case ID_STRING:
STRING.transfer(pipe, input, output, number, false);
break;
case ID_BYTES:
BYTES.transfer(pipe, input, output, number, false);
break;
case ID_BYTE_ARRAY:
BYTE_ARRAY.transfer(pipe, input, output, number, false);
break;
case ID_BIGDECIMAL:
BIGDECIMAL.transfer(pipe, input, output, number, false);
break;
case ID_BIGINTEGER:
BIGINTEGER.transfer(pipe, input, output, number, false);
break;
case ID_DATE:
DATE.transfer(pipe, input, output, number, false);
break;
case ID_ARRAY:
transferArray(pipe, input, output, number, pipeSchema, false, strategy);
return;
case ID_OBJECT:
output.writeUInt32(number, input.readUInt32(), false);
break;
case ID_ARRAY_MAPPED:
transferArray(pipe, input, output, number, pipeSchema, true, strategy);
return;
case ID_CLASS:
transferClass(pipe, input, output, number, pipeSchema, false, false, strategy);
break;
case ID_CLASS_MAPPED:
transferClass(pipe, input, output, number, pipeSchema, true, false, strategy);
break;
case ID_CLASS_ARRAY:
transferClass(pipe, input, output, number, pipeSchema, false, true, strategy);
break;
case ID_CLASS_ARRAY_MAPPED:
transferClass(pipe, input, output, number, pipeSchema, true, true, strategy);
break;
case ID_ENUM:
strategy.transferEnumId(input, output, number);
if(input.readFieldNumber(pipeSchema.wrappedSchema) != ID_ENUM_VALUE)
throw new ProtostuffException("Corrupt input.");
EnumIO.transfer(pipe, input, output, 1, false);
break;
case ID_ENUM_SET:
strategy.transferEnumId(input, output, number);
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(strategy.COLLECTION_PIPE_SCHEMA, pipeSchema);
}
Pipe.transferDirect(strategy.COLLECTION_PIPE_SCHEMA, pipe, input, output);
return;
case ID_ENUM_MAP:
strategy.transferEnumId(input, output, number);
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(strategy.MAP_PIPE_SCHEMA, pipeSchema);
}
Pipe.transferDirect(strategy.MAP_PIPE_SCHEMA, pipe, input, output);
return;
case ID_COLLECTION:
strategy.transferCollectionId(input, output, number);
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(strategy.COLLECTION_PIPE_SCHEMA, pipeSchema);
}
Pipe.transferDirect(strategy.COLLECTION_PIPE_SCHEMA, pipe, input, output);
return;
case ID_MAP:
strategy.transferMapId(input, output, number);
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(strategy.MAP_PIPE_SCHEMA, pipeSchema);
}
Pipe.transferDirect(strategy.MAP_PIPE_SCHEMA, pipe, input, output);
return;
case ID_POLYMORPHIC_COLLECTION:
if(0 != input.readUInt32())
throw new ProtostuffException("Corrupt input.");
output.writeUInt32(number, 0, false);
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(
strategy.POLYMORPHIC_COLLECTION_PIPE_SCHEMA, pipeSchema);
}
Pipe.transferDirect(strategy.POLYMORPHIC_COLLECTION_PIPE_SCHEMA,
pipe, input, output);
return;
case ID_POLYMORPHIC_MAP:
if(0 != input.readUInt32())
throw new ProtostuffException("Corrupt input.");
output.writeUInt32(number, 0, false);
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(
strategy.POLYMORPHIC_MAP_PIPE_SCHEMA, pipeSchema);
}
Pipe.transferDirect(strategy.POLYMORPHIC_MAP_PIPE_SCHEMA,
pipe, input, output);
return;
case ID_DELEGATE:
{
final HasDelegate hd = strategy.transferDelegateId(input,
output, number);
if(1 != input.readFieldNumber(pipeSchema.wrappedSchema))
throw new ProtostuffException("Corrupt input.");
hd.delegate.transfer(pipe, input, output, 1, false);
break;
}
case ID_ARRAY_DELEGATE:
{
final HasDelegate hd = strategy.transferDelegateId(input,
output, number);
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(
hd.genericElementSchema.getPipeSchema(),
pipeSchema);
}
Pipe.transferDirect(hd.genericElementSchema.getPipeSchema(),
pipe, input, output);
return;
}
case ID_ARRAY_SCALAR:
{
final int arrayId = input.readUInt32(),
id = ArraySchemas.toInlineId(arrayId);
final ArraySchemas.Base arraySchema = ArraySchemas.getSchema(id,
ArraySchemas.isPrimitive(arrayId), strategy);
output.writeUInt32(number, arrayId, false);
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(arraySchema.getPipeSchema(),
pipeSchema);
}
Pipe.transferDirect(arraySchema.getPipeSchema(), pipe, input, output);
return;
}
case ID_ARRAY_ENUM:
{
final EnumIO eio = strategy.resolveEnumFrom(input);
strategy.writeEnumIdTo(output, number, eio.enumClass);
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(
eio.genericElementSchema.getPipeSchema(),
pipeSchema);
}
Pipe.transferDirect(eio.genericElementSchema.getPipeSchema(),
pipe, input, output);
return;
}
case ID_ARRAY_POJO:
{
final HasSchema hs = strategy.transferPojoId(input, output,
number);
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(
hs.genericElementSchema.getPipeSchema(),
pipeSchema);
}
Pipe.transferDirect(hs.genericElementSchema.getPipeSchema(),
pipe, input, output);
return;
}
case ID_THROWABLE:
PolymorphicThrowableSchema.transferObject(pipeSchema, pipe, input,
output, strategy, number);
return;
case ID_POJO:
final Pipe.Schema derivedPipeSchema = strategy.transferPojoId(
input, output, number).getPipeSchema();
if(output instanceof StatefulOutput)
{
// update using the derived schema.
((StatefulOutput)output).updateLast(derivedPipeSchema, pipeSchema);
}
Pipe.transferDirect(derivedPipeSchema, pipe, input, output);
return;
default:
throw new ProtostuffException("Corrupt input. Unknown field number: " + number);
}
if(input.readFieldNumber(pipeSchema.wrappedSchema) != 0)
throw new ProtostuffException("Corrupt input.");
}
/**
* An array wrapper internally used for adding objects.
*/
static final class ArrayWrapper implements Collection
{
final Object[] array;
int offset = 0;
ArrayWrapper(Object array)
{
this.array = (Object[])array;
}
public boolean add(Object value)
{
array[offset++] = value;
return true;
}
public boolean addAll(Collection arg0)
{
throw new UnsupportedOperationException();
}
public void clear()
{
throw new UnsupportedOperationException();
}
public boolean contains(Object arg0)
{
throw new UnsupportedOperationException();
}
public boolean containsAll(Collection arg0)
{
throw new UnsupportedOperationException();
}
public boolean isEmpty()
{
throw new UnsupportedOperationException();
}
public Iterator iterator()
{
throw new UnsupportedOperationException();
}
public boolean remove(Object arg0)
{
throw new UnsupportedOperationException();
}
public boolean removeAll(Collection arg0)
{
throw new UnsupportedOperationException();
}
public boolean retainAll(Collection arg0)
{
throw new UnsupportedOperationException();
}
public int size()
{
throw new UnsupportedOperationException();
}
public Object[] toArray()
{
throw new UnsupportedOperationException();
}
public T[] toArray(T[] arg0)
{
throw new UnsupportedOperationException();
}
}
}
