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//
// MessagePack for Java
//
// Copyright (C) 2009 FURUHASHI Sadayuki
//
// 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 org.msgpack.schema;
import java.util.Arrays;
import java.util.Collection;
import java.util.Set;
import java.util.List;
import java.util.ArrayList;
import java.util.RandomAccess;
import java.io.IOException;
import org.msgpack.*;
public class ArraySchema extends Schema implements IArraySchema {
private Schema elementSchema;
public ArraySchema(Schema elementSchema)
{
super("array");
this.elementSchema = elementSchema;
}
@Override
public String getFullName()
{
return "List<"+elementSchema.getFullName()+">";
}
@Override
public String getExpression()
{
return "(array "+elementSchema.getExpression()+")";
}
@Override
@SuppressWarnings("unchecked")
public void pack(Packer pk, Object obj) throws IOException
{
if(obj instanceof List) {
ArrayList<Object> d = (ArrayList<Object>)obj;
pk.packArray(d.size());
if(obj instanceof RandomAccess) {
for(int i=0; i < d.size(); ++i) {
elementSchema.pack(pk, d.get(i));
}
} else {
for(Object e : d) {
elementSchema.pack(pk, e);
}
}
} else if(obj instanceof Set) {
Set<Object> d = (Set<Object>)obj;
pk.packArray(d.size());
for(Object e : d) {
elementSchema.pack(pk, e);
}
} else if(obj == null) {
pk.packNil();
} else {
throw MessageTypeException.invalidConvert(obj, this);
}
}
@Override
@SuppressWarnings("unchecked")
public Object convert(Object obj) throws MessageTypeException
{
if(obj instanceof List) {
List d = (List)obj;
ArrayList ar = new ArrayList(d.size());
if(obj instanceof RandomAccess) {
for(int i=0; i < d.size(); ++i) {
ar.add( elementSchema.convert(d.get(i)) );
}
} else {
for(Object e : d) {
ar.add( elementSchema.convert(e) );
}
}
return ar;
} else if(obj instanceof Collection) {
Collection d = (Collection)obj;
ArrayList ar = new ArrayList(d.size());
for(Object e : (Collection)obj) {
ar.add( elementSchema.convert(e) );
}
return ar;
} else {
throw MessageTypeException.invalidConvert(obj, this);
}
}
@Override
public Schema getElementSchema(int index)
{
return elementSchema;
}
@Override
public Object createFromArray(Object[] obj)
{
return Arrays.asList(obj);
}
}
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