AbstractMemoryHttpData.java — netty Source File

Source Code

/*
 * Copyright 2012 The Netty Project
 *
 * The Netty Project licenses this file to you 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:
 *
 *   https://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 io.netty.handler.codec.http.multipart;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.CompositeByteBuf;
import io.netty.handler.codec.http.HttpConstants;
import io.netty.util.internal.ObjectUtil;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.RandomAccessFile;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
import java.nio.charset.Charset;

import static io.netty.buffer.Unpooled.EMPTY_BUFFER;
import static io.netty.buffer.Unpooled.buffer;
import static io.netty.buffer.Unpooled.compositeBuffer;
import static io.netty.buffer.Unpooled.wrappedBuffer;

/**
 * Abstract Memory HttpData implementation
 */
public abstract class AbstractMemoryHttpData extends AbstractHttpData {

    private ByteBuf byteBuf;
    private int chunkPosition;

    protected AbstractMemoryHttpData(String name, Charset charset, long size) {
        super(name, charset, size);
        byteBuf = EMPTY_BUFFER;
    }

    @Override
    public void setContent(ByteBuf buffer) throws IOException {
        ObjectUtil.checkNotNull(buffer, "buffer");
        long localsize = buffer.readableBytes();
        try {
            checkSize(localsize);
        } catch (IOException e) {
            buffer.release();
            throw e;
        }
        if (definedSize > 0 && definedSize < localsize) {
            buffer.release();
// ... (244 more lines)