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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.nio.ByteBuffer;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import org.msgpack.*;
public class StringSchema extends Schema {
public StringSchema() {
super("string");
}
@Override
public String getFullName() {
return "String";
}
@Override
public void pack(Packer pk, Object obj) throws IOException {
// FIXME instanceof GenericObject
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 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 == null) {
pk.packNil();
} else {
throw MessageTypeException.invalidConvert(obj, this);
}
}
@Override
public Object convert(Object obj) throws MessageTypeException {
// FIXME instanceof GenericObject
if(obj instanceof String) {
return obj;
} else if(obj instanceof byte[]) {
try {
return new String((byte[])obj, "UTF-8");
} catch (UnsupportedEncodingException e) {
throw MessageTypeException.invalidConvert(obj, this);
}
} else if(obj instanceof ByteBuffer) {
ByteBuffer d = (ByteBuffer)obj;
try {
if(d.hasArray()) {
return new String(d.array(), d.position(), d.capacity(), "UTF-8");
} else {
byte[] v = new byte[d.capacity()];
int pos = d.position();
d.get(v);
d.position(pos);
return new String(v, "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) {
try {
return new String(b, offset, length, "UTF-8");
} catch (Exception e) {
throw new RuntimeException(e.getMessage());
}
}
}
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