com.lark.oapi.okhttp.internal.http.RequestLine Maven / Gradle / Ivy

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/*
 *
 *  * Copyright (C) 2015 Square, Inc.
 *  *
 *  * 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 com.lark.oapi.okhttp.internal.http;

import com.lark.oapi.okhttp.HttpUrl;
import com.lark.oapi.okhttp.Request;

import java.net.HttpURLConnection;
import java.net.Proxy;

public final class RequestLine {

    private RequestLine() {
    }

    /**
     * Returns the request status line, like "GET / HTTP/1.1". This is exposed to the application by
     * {@link HttpURLConnection#getHeaderFields}, so it needs to be set even if the transport is
     * HTTP/2.
     */
    public static String get(Request request, Proxy.Type proxyType) {
        StringBuilder result = new StringBuilder();
        result.append(request.method());
        result.append(' ');

        if (includeAuthorityInRequestLine(request, proxyType)) {
            result.append(request.url());
        } else {
            result.append(requestPath(request.url()));
        }

        result.append(" HTTP/1.1");
        return result.toString();
    }

    /**
     * Returns true if the request line should contain the full URL with host and port (like "GET
     * http://android.com/foo HTTP/1.1") or only the path (like "GET /foo HTTP/1.1").
     */
    private static boolean includeAuthorityInRequestLine(Request request, Proxy.Type proxyType) {
        return !request.isHttps() && proxyType == Proxy.Type.HTTP;
    }

    /**
     * Returns the path to request, like the '/' in 'GET / HTTP/1.1'. Never empty, even if the request
     * URL is. Includes the query component if it exists.
     */
    public static String requestPath(HttpUrl url) {
        String path = url.encodedPath();
        String query = url.encodedQuery();
        return query != null ? (path + '?' + query) : path;
    }
}