Java example source code file (DefaultFullHttpRequest.java)

This example Java source code file (DefaultFullHttpRequest.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

bytebuf, defaultfullhttprequest, defaulthttpheaders, defaulthttprequest, fullhttprequest, httpheaders, httpmethod, illegalreferencecountexception, override, string, stringbuilder

The DefaultFullHttpRequest.java Java example source code

/*
 * Copyright 2013 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:
 *
 *   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 io.netty.handler.codec.http;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.util.IllegalReferenceCountException;
import static io.netty.util.internal.ObjectUtil.checkNotNull;

/**
 * Default implementation of {@link FullHttpRequest}.
 */
public class DefaultFullHttpRequest extends DefaultHttpRequest implements FullHttpRequest {
    private final ByteBuf content;
    private final HttpHeaders trailingHeader;

    /**
     * Used to cache the value of the hash code and avoid {@link IllegalReferenceCountException}.
     */
    private int hash;

    public DefaultFullHttpRequest(HttpVersion httpVersion, HttpMethod method, String uri) {
        this(httpVersion, method, uri, Unpooled.buffer(0));
    }

    public DefaultFullHttpRequest(HttpVersion httpVersion, HttpMethod method, String uri, ByteBuf content) {
        this(httpVersion, method, uri, content, true);
    }

    public DefaultFullHttpRequest(HttpVersion httpVersion, HttpMethod method, String uri, boolean validateHeaders) {
        this(httpVersion, method, uri, Unpooled.buffer(0), validateHeaders);
    }

    public DefaultFullHttpRequest(HttpVersion httpVersion, HttpMethod method, String uri,
                                  ByteBuf content, boolean validateHeaders) {
        super(httpVersion, method, uri, validateHeaders);
        this.content = checkNotNull(content, "content");
        trailingHeader = new DefaultHttpHeaders(validateHeaders);
    }

    public DefaultFullHttpRequest(HttpVersion httpVersion, HttpMethod method, String uri,
            ByteBuf content, HttpHeaders headers, HttpHeaders trailingHeader) {
        super(httpVersion, method, uri, headers);
        this.content = checkNotNull(content, "content");
        this.trailingHeader = checkNotNull(trailingHeader, "trailingHeader");
    }

    @Override
    public HttpHeaders trailingHeaders() {
        return trailingHeader;
    }

    @Override
    public ByteBuf content() {
        return content;
    }

    @Override
    public int refCnt() {
        return content.refCnt();
    }

    @Override
    public FullHttpRequest retain() {
        content.retain();
        return this;
    }

    @Override
    public FullHttpRequest retain(int increment) {
        content.retain(increment);
        return this;
    }

    @Override
    public FullHttpRequest touch() {
        content.touch();
        return this;
    }

    @Override
    public FullHttpRequest touch(Object hint) {
        content.touch(hint);
        return this;
    }

    @Override
    public boolean release() {
        return content.release();
    }

    @Override
    public boolean release(int decrement) {
        return content.release(decrement);
    }

    @Override
    public FullHttpRequest setProtocolVersion(HttpVersion version) {
        super.setProtocolVersion(version);
        return this;
    }

    @Override
    public FullHttpRequest setMethod(HttpMethod method) {
        super.setMethod(method);
        return this;
    }

    @Override
    public FullHttpRequest setUri(String uri) {
        super.setUri(uri);
        return this;
    }

    @Override
    public FullHttpRequest copy() {
        return replace(content().copy());
    }

    @Override
    public FullHttpRequest duplicate() {
        return replace(content().duplicate());
    }

    @Override
    public FullHttpRequest retainedDuplicate() {
        return replace(content().retainedDuplicate());
    }

    @Override
    public FullHttpRequest replace(ByteBuf content) {
        return new DefaultFullHttpRequest(protocolVersion(), method(), uri(), content, headers(), trailingHeaders());
    }

    @Override
    public int hashCode() {
        int hash = this.hash;
        if (hash == 0) {
            if (content().refCnt() != 0) {
                try {
                    hash = 31 + content().hashCode();
                } catch (IllegalReferenceCountException ignored) {
                    // Handle race condition between checking refCnt() == 0 and using the object.
                    hash = 31;
                }
            } else {
                hash = 31;
            }
            hash = 31 * hash + trailingHeaders().hashCode();
            hash = 31 * hash + super.hashCode();
            this.hash = hash;
        }
        return hash;
    }

    @Override
    public boolean equals(Object o) {
        if (!(o instanceof DefaultFullHttpRequest)) {
            return false;
        }

        DefaultFullHttpRequest other = (DefaultFullHttpRequest) o;

        return super.equals(other) &&
               content().equals(other.content()) &&
               trailingHeaders().equals(other.trailingHeaders());
    }

    @Override
    public String toString() {
        return HttpMessageUtil.appendFullRequest(new StringBuilder(256), this).toString();
    }
}