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/*
 * Copyright (c) 2015 AsyncHttpClient Project. All rights reserved.
 *
 * This program is licensed to you under the Apache License Version 2.0,
 * and you may not use this file except in compliance with the Apache License Version 2.0.
 * You may obtain a copy of the Apache License Version 2.0 at
 *     http://www.apache.org/licenses/LICENSE-2.0.
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the Apache License Version 2.0 is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Apache License Version 2.0 for the specific language governing permissions and limitations there under.
 */
package org.asynchttpclient;

import static org.asynchttpclient.util.MiscUtils.isNonEmpty;
import io.netty.handler.codec.http.HttpHeaders;
import io.netty.resolver.NameResolver;

import java.io.File;
import java.io.InputStream;
import java.net.InetAddress;
import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;

import org.asynchttpclient.channel.ChannelPoolPartitioning;
import org.asynchttpclient.cookie.Cookie;
import org.asynchttpclient.proxy.ProxyServer;
import org.asynchttpclient.request.body.generator.BodyGenerator;
import org.asynchttpclient.request.body.multipart.Part;
import org.asynchttpclient.uri.Uri;

public class DefaultRequest implements Request {

    private final String method;
    private final Uri uri;
    private final InetAddress address;
    private final InetAddress localAddress;
    private final HttpHeaders headers;
    private final List cookies;
    private final byte[] byteData;
    private final List compositeByteData;
    private final String stringData;
    private final ByteBuffer byteBufferData;
    private final InputStream streamData;
    private final BodyGenerator bodyGenerator;
    private final List formParams;
    private final List bodyParts;
    private final String virtualHost;
    public final ProxyServer proxyServer;
    private final Realm realm;
    private final File file;
    private final Boolean followRedirect;
    private final int requestTimeout;
    private final long rangeOffset;
    private final Charset charset;
    private final ChannelPoolPartitioning channelPoolPartitioning;
    private final NameResolver nameResolver;
    // lazily loaded
    private List queryParams;

    public DefaultRequest(String method,//
            Uri uri,//
            InetAddress address,//
            InetAddress localAddress,//
            HttpHeaders headers,//
            List cookies,//
            byte[] byteData,//
            List compositeByteData,//
            String stringData,//
            ByteBuffer byteBufferData,//
            InputStream streamData,//
            BodyGenerator bodyGenerator,//
            List formParams,//
            List bodyParts,//
            String virtualHost,//
            ProxyServer proxyServer,//
            Realm realm,//
            File file,//
            Boolean followRedirect,//
            int requestTimeout,//
            long rangeOffset,//
            Charset charset,//
            ChannelPoolPartitioning channelPoolPartitioning,//
            NameResolver nameResolver) {
        this.method = method;
        this.uri = uri;
        this.address = address;
        this.localAddress = localAddress;
        this.headers = headers;
        this.cookies = cookies;
        this.byteData = byteData;
        this.compositeByteData = compositeByteData;
        this.stringData = stringData;
        this.byteBufferData = byteBufferData;
        this.streamData = streamData;
        this.bodyGenerator = bodyGenerator;
        this.formParams = formParams;
        this.bodyParts = bodyParts;
        this.virtualHost = virtualHost;
        this.proxyServer = proxyServer;
        this.realm = realm;
        this.file = file;
        this.followRedirect = followRedirect;
        this.requestTimeout = requestTimeout;
        this.rangeOffset = rangeOffset;
        this.charset = charset;
        this.channelPoolPartitioning = channelPoolPartitioning;
        this.nameResolver = nameResolver;
    }

    @Override
    public String getUrl() {
        return uri.toUrl();
    }
    
    @Override
    public String getMethod() {
        return method;
    }

    @Override
    public Uri getUri() {
        return uri;
    }

    @Override
    public InetAddress getAddress() {
        return address;
    }

    @Override
    public InetAddress getLocalAddress() {
        return localAddress;
    }

    @Override
    public HttpHeaders getHeaders() {
        return headers;
    }

    @Override
    public List getCookies() {
        return cookies;
    }

    @Override
    public byte[] getByteData() {
        return byteData;
    }

    @Override
    public List getCompositeByteData() {
        return compositeByteData;
    }

    @Override
    public String getStringData() {
        return stringData;
    }

    @Override
    public ByteBuffer getByteBufferData() {
        return byteBufferData;
    }

    @Override
    public InputStream getStreamData() {
        return streamData;
    }

    @Override
    public BodyGenerator getBodyGenerator() {
        return bodyGenerator;
    }

    @Override
    public List getFormParams() {
        return formParams;
    }

    @Override
    public List getBodyParts() {
        return bodyParts;
    }

    @Override
    public String getVirtualHost() {
        return virtualHost;
    }

    @Override
    public ProxyServer getProxyServer() {
        return proxyServer;
    }

    @Override
    public Realm getRealm() {
        return realm;
    }

    @Override
    public File getFile() {
        return file;
    }

    @Override
    public Boolean getFollowRedirect() {
        return followRedirect;
    }

    @Override
    public int getRequestTimeout() {
        return requestTimeout;
    }

    @Override
    public long getRangeOffset() {
        return rangeOffset;
    }

    @Override
    public Charset getCharset() {
        return charset;
    }

    @Override
    public ChannelPoolPartitioning getChannelPoolPartitioning() {
        return channelPoolPartitioning;
    }

    @Override
    public NameResolver getNameResolver() {
        return nameResolver;
    }

    @Override
    public List getQueryParams() {
        if (queryParams == null)
            // lazy load
            if (isNonEmpty(uri.getQuery())) {
                queryParams = new ArrayList<>(1);
                for (String queryStringParam : uri.getQuery().split("&")) {
                    int pos = queryStringParam.indexOf('=');
                    if (pos <= 0)
                        queryParams.add(new Param(queryStringParam, null));
                    else
                        queryParams.add(new Param(queryStringParam.substring(0, pos), queryStringParam.substring(pos + 1)));
                }
            } else
                queryParams = Collections.emptyList();
        return queryParams;
    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder(getUrl());

        sb.append("\t");
        sb.append(method);
        sb.append("\theaders:");
        if (!headers.isEmpty()) {
            for (Map.Entry header : headers) {
                sb.append("\t");
                sb.append(header.getKey());
                sb.append(":");
                sb.append(header.getValue());
            }
        }
        if (isNonEmpty(formParams)) {
            sb.append("\tformParams:");
            for (Param param : formParams) {
                sb.append("\t");
                sb.append(param.getName());
                sb.append(":");
                sb.append(param.getValue());
            }
        }

        return sb.toString();
    }
}