File content as of revision 45:2aa9f933c8d2:

/*
 * Copyright (c) 2017 Baidu, Inc. All Rights Reserved.
 * 
 * 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.baidu.duer.dcs.http.builder;

import android.net.Uri;

import com.baidu.duer.dcs.http.request.GetRequest;
import com.baidu.duer.dcs.http.request.RequestCall;

import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Set;

/**
 * get请求构建
 * <p>
 * Created by guxiuzhong@baidu.com on 2017/5/15.
 */
public class GetBuilder extends OkHttpRequestBuilder<GetBuilder> implements HasParamInterface {
    @Override
    public RequestCall build() {
        if (params != null) {
            url = appendParams(url, params);
        }
        return new GetRequest(url, tag, params, headers, id).build();
    }

    /**
     * 添加参数到url上
     *
     * @param url    url 请求的url
     * @param params params 参数集合
     * @return url   拼接后的url
     */
    protected String appendParams(String url, Map<String, String> params) {
        if (url == null || params == null || params.isEmpty()) {
            return url;
        }
        Uri.Builder builder = Uri.parse(url).buildUpon();
        Set<String> keys = params.keySet();
        Iterator<String> iterator = keys.iterator();
        while (iterator.hasNext()) {
            String key = iterator.next();
            builder.appendQueryParameter(key, params.get(key));
        }
        return builder.build().toString();
    }


    @Override
    public GetBuilder params(Map<String, String> params) {
        this.params = params;
        return this;
    }

    @Override
    public GetBuilder addParams(String key, String val) {
        if (this.params == null) {
            params = new LinkedHashMap<>();
        }
        params.put(key, val);
        return this;
    }
}