HttpRequest.java

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2017 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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 * language governing permissions and limitations under the License.
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 * file and include the License file at packager/legal/LICENSE.txt.
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 * GPL Classpath Exception:
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 * Modifications:
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package org.glassfish.grizzly.test.http2;

import java.io.UnsupportedEncodingException;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedTransferQueue;
import java.util.concurrent.TimeUnit;

import org.glassfish.grizzly.Buffer;
import org.glassfish.grizzly.Connection;
import org.glassfish.grizzly.http.HttpContent;
import org.glassfish.grizzly.http.HttpRequestPacket;
import org.glassfish.grizzly.http.Protocol;
import org.glassfish.grizzly.memory.Buffers;
import org.glassfish.grizzly.memory.MemoryManager;

/**
 * A simple Http2 request based on Grizzly runtime.
 *
 * @author Shing Wai Chan
 */
public class HttpRequest {
    private HttpRequestPacket httpRequestPacket;
    private Connection connection;
    private Buffer contentBuffer = Buffers.EMPTY_BUFFER;

    private HttpRequest(HttpRequestPacket httpRequestPacket,
            String charEncoding, String content, Connection connection) {
        this.httpRequestPacket = httpRequestPacket;
        httpRequestPacket.setCharacterEncoding(charEncoding);
        this.connection = connection;

        if (content != null) {
            MemoryManager mm = MemoryManager.DEFAULT_MEMORY_MANAGER;
            if (charEncoding != null) {
                try {
                    byte[] bytes = content.getBytes(charEncoding);
                    contentBuffer = Buffers.wrap(mm, bytes);
                } catch(UnsupportedEncodingException e) {
                    throw new RuntimeException(e);
                }
            } else {
                contentBuffer = Buffers.wrap(mm, content);
            }
        }
        httpRequestPacket.setContentLength(contentBuffer.remaining());
    }

    public void send() {
        connection.write(HttpContent.builder(httpRequestPacket)
                .content(contentBuffer)
                .last(true)
                .build());
    }

    // ----- inner class -----
    public static class Builder {
        private HttpRequestPacket.Builder reqPacketBuilder = new  HttpRequestPacket.Builder();
        private String charEncoding = null;
        private String content = null;
        private Connection connection = null;

        Builder(String host, int port, Connection connection) {
            reqPacketBuilder.method("GET").protocol(Protocol.HTTP_1_1)
                .header("Host", host + ":" + port);
            this.connection = connection;
        }

        public Builder method(String method) {
            reqPacketBuilder.method(method);
            return this;
        }

        public Builder path(String path) {
            reqPacketBuilder.uri(path);
            return this;
        }

        public Builder contentType(String contentType) {
            reqPacketBuilder.contentType(contentType);
            return this;
        }

        public Builder characterEncoding(String charEncoding) {
            this.charEncoding = charEncoding;
            return this;
        }

        public Builder content(String content) {
            this.content = content;
            return this;
        }

        public Builder header(String name, String value) {
            reqPacketBuilder.header(name, value);
            return this;
        }

        public HttpRequest build() {
            return new HttpRequest(reqPacketBuilder.build(), charEncoding, content, connection);
        }
    }
}