/*
* Copyright 2013 the original author or authors.
*
* 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 ratpack.http.internal;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufInputStream;
import io.netty.buffer.Unpooled;
import io.netty.util.CharsetUtil;
import ratpack.http.MediaType;
import ratpack.http.TypedData;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.charset.Charset;
import static ratpack.util.ExceptionUtils.uncheck;
public class ByteBufBackedTypedData implements TypedData {
private final ByteBuf byteBuf;
private final MediaType mediaType;
public ByteBufBackedTypedData(ByteBuf byteBuf, MediaType mediaType) {
this.mediaType = mediaType;
this.byteBuf = byteBuf;
}
@Override
public MediaType getContentType() {
return mediaType;
}
@Override
public ByteBuf getBuffer() {
return Unpooled.unmodifiableBuffer(byteBuf);
}
@Override
public String getText() {
return getText(CharsetUtil.UTF_8);
}
@Override
public String getText(Charset charset) {
if (mediaType == null) {
return byteBuf.toString(charset);
} else {
return byteBuf.toString(Charset.forName(mediaType.getCharset(charset.name())));
}
}
@Override
public byte[] getBytes() {
if (byteBuf.hasArray()) {
return byteBuf.array();
} else {
ByteArrayOutputStream baos = new ByteArrayOutputStream(byteBuf.writerIndex());
try {
writeTo(baos);
} catch (IOException e) {
throw uncheck(e);
}
return baos.toByteArray();
}
}
@Override
public void writeTo(OutputStream outputStream) throws IOException {
byteBuf.resetReaderIndex();
byteBuf.readBytes(outputStream, byteBuf.writerIndex());
}
@Override
public InputStream getInputStream() {
return new ByteBufInputStream(byteBuf);
}
}