com.mycomm.YesHttp.core.JsonRequest Maven / Gradle / Ivy

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/*
 * Copyright 2018 jw362j.
 *
 * 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.mycomm.YesHttp.core;

import java.io.IOException;
import java.io.OutputStreamWriter;
import java.net.URLConnection;
import java.util.Map;
import java.util.Set;

/**
 *
 * @author jw362j
 */
public abstract class JsonRequest extends BaseRequest {
    private final HttpObserver observer = new HttpObserver() {
        public void Observe(URLConnection connection) {
            if (Method.POST != getmMethod()) {
                return;
            }
            if (connection == null) {
                    return;
                }
             connection.setRequestProperty("Content-Type", "application/json");
        }
    };

    public JsonRequest(short mMethod, String mUrl, Response.Listener response, Response.ErrorListener errorListener, YesLog log, short protocol) {
        super(mMethod, mUrl, response, errorListener, log, protocol);
    }

    public JsonRequest(String mUrl, Response.Listener response, Response.ErrorListener errorListener) {
        super(mUrl, response, errorListener);
    }

    public JsonRequest(String mUrl, Response.Listener response) {
        super(mUrl, response);
    }

    public JsonRequest(short mMethod, String mUrl, Response.Listener response, HttpObserver observer, Response.ErrorListener errorListener, YesLog log, short protocol) {
        super(mMethod, mUrl, response, observer, errorListener, log, protocol);
    } 

    @Override
    public HttpObserver getHttpObserver() {
        return observer;
    }

    public void write(OutputStreamWriter outputStreamWriter) {
        try {
            if (Method.POST != getmMethod()) {
                return;
            }
            Map params = getParams();
            if (params == null || params.isEmpty()) {
                getLog().LogMe("Params are null in Method.POST about JsonRequest,post body output give up ...");
                return;
            }
            String targetJsonData = JsonBodyBuilder();
            if (targetJsonData != null && targetJsonData.length() > 0) {
                getLog().LogMe("the post data in  JsonRequest is:"+targetJsonData);
                outputStreamWriter.write(targetJsonData);
                return;
            }
            StringBuilder post_data_defaultJson = new StringBuilder();
            post_data_defaultJson.append("{");
            Set keys = params.keySet();
            for (String key : keys) {
                post_data_defaultJson.append("\"").append(key).append("\"").append(":").append("\"").append(params.get(key)).append("\"").append(",");
            }
            post_data_defaultJson.deleteCharAt(post_data_defaultJson.length() - 1);
            post_data_defaultJson.append("}");
            targetJsonData = post_data_defaultJson.toString();
            getLog().LogMe("the post data in  JsonRequestA is:"+targetJsonData);
            outputStreamWriter.write(targetJsonData);
        } catch (IOException ex) {
            getLog().LogMe("Exception in StringRequest write:" + ex.getMessage());
        }
    }

    public abstract String JsonBodyBuilder();//have to build the json format request body ,if none-null is returned here,then would ignore getParams() method

}