Files
msgpack/java/src/org/msgpack/schema/RawSchema.java
2010-01-08 17:34:14 +09:00

106 lines
2.7 KiB
Java

//
// MessagePack for Java
//
// Copyright (C) 2009-2010 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.nio.ByteBuffer;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import org.msgpack.*;
public class RawSchema extends Schema {
public RawSchema() {
super("raw");
}
public String getFullName() {
return "byte[]";
}
@Override
public void pack(Packer pk, Object obj) throws IOException {
// FIXME instanceof GenericObject
if(obj instanceof byte[]) {
byte[] d = (byte[])obj;
pk.packRaw(d.length);
pk.packRawBody(d);
} else if(obj instanceof ByteBuffer) {
ByteBuffer d = (ByteBuffer)obj;
if(!d.hasArray()) {
throw MessageTypeException.invalidConvert(obj, this);
}
pk.packRaw(d.capacity());
pk.packRawBody(d.array(), d.position(), d.capacity());
} else if(obj instanceof String) {
try {
byte[] d = ((String)obj).getBytes("UTF-8");
pk.packRaw(d.length);
pk.packRawBody(d);
} catch (UnsupportedEncodingException e) {
throw MessageTypeException.invalidConvert(obj, this);
}
} else if(obj == null) {
pk.packNil();
} else {
throw MessageTypeException.invalidConvert(obj, this);
}
}
@Override
public Object convert(Object obj) throws MessageTypeException {
// FIXME instanceof GenericObject
if(obj instanceof byte[]) {
// FIXME copy?
//byte[] d = (byte[])obj;
//byte[] v = new byte[d.length];
//System.arraycopy(d, 0, v, 0, d.length);
//return v;
return obj;
} else if(obj instanceof ByteBuffer) {
ByteBuffer d = (ByteBuffer)obj;
byte[] v = new byte[d.capacity()];
int pos = d.position();
d.get(v);
d.position(pos);
return v;
} else if(obj instanceof String) {
try {
return ((String)obj).getBytes("UTF-8");
} catch (UnsupportedEncodingException e) {
throw MessageTypeException.invalidConvert(obj, this);
}
} else {
throw MessageTypeException.invalidConvert(obj, this);
}
}
@Override
public Object createFromRaw(byte[] b, int offset, int length) {
byte[] d = new byte[length];
System.arraycopy(b, offset, d, 0, length);
return d;
}
}