com.lurencun.cfuture09.androidkit.http.async.SyncHttpClient.java Source code

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Here is the source code for com.lurencun.cfuture09.androidkit.http.async.SyncHttpClient.java

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/*
 * @(#)SyncHttpClient.java             Project:androidkit
 * Date:2013-5-9
 *
 * Copyright (c) 2013 CFuture09, Institute of Software, 
 * Guangdong Ocean University, Zhanjiang, GuangDong, China.
 * 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.lurencun.cfuture09.androidkit.http.async;

import android.content.Context;
import android.os.Message;

import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.protocol.HttpContext;

/**
 * @author Geek_Soledad <a target="_blank" href=
 *         "http://mail.qq.com/cgi-bin/qm_share?t=qm_mailme&email=XTAuOSVzPDM5LzI0OR0sLHM_MjA"
 *         style="text-decoration:none;"><img src=
 *         "http://rescdn.qqmail.com/zh_CN/htmledition/images/function/qm_open/ico_mailme_01.png"
 *         /></a>
 */
public abstract class SyncHttpClient extends AsyncHttp {
    private int responseCode;
    /*
     * as this is a synchronous request this is just a helping mechanism to pass
     * the result back to this method. Therefore the result object has to be a
     * field to be accessible
     */
    protected String result;
    protected AsyncHttpResponseHandler responseHandler = new AsyncHttpResponseHandler() {

        @Override
        void sendResponseMessage(HttpResponse response) {
            responseCode = response.getStatusLine().getStatusCode();
            super.sendResponseMessage(response);
        };

        @Override
        protected void sendMessage(Message msg) {
            /*
             * Dont use the handler and send it directly to the analysis
             * (because its all the same thread)
             */
            handleMessage(msg);
        }

        @Override
        public void onSuccess(String content) {
            result = content;
        }

        @Override
        public void onFailure(Throwable error, String content) {
            result = onRequestFailed(error, content);
        }
    };

    /**
     * @return the response code for the last request, might be usefull
     *         sometimes
     */
    public int getResponseCode() {
        return responseCode;
    }

    // Private stuff
    @Override
    protected void sendRequest(DefaultHttpClient client, HttpContext httpContext, HttpUriRequest uriRequest,
            String contentType, AsyncHttpResponseHandler responseHandler, Context context) {
        if (contentType != null) {
            uriRequest.addHeader("Content-Type", contentType);
        }

        /*
         * will execute the request directly
         */
        new AsyncHttpRequest(client, httpContext, uriRequest, responseHandler).run();
    }

    public abstract String onRequestFailed(Throwable error, String content);

    public void delete(String url, RequestParams queryParams, AsyncHttpResponseHandler responseHandler) {
        // TODO what about query params??
        delete(url, responseHandler);
    }

    public String get(String url, RequestParams params) {
        this.get(url, params, responseHandler);
        /*
         * the response handler will have set the result when this line is
         * reached
         */
        return result;
    }

    public String get(String url) {
        this.get(url, null, responseHandler);
        return result;
    }

    public String put(String url, RequestParams params) {
        this.put(url, params, responseHandler);
        return result;
    }

    public String put(String url) {
        this.put(url, null, responseHandler);
        return result;
    }

    public String post(String url, RequestParams params) {
        this.post(url, params, responseHandler);
        return result;
    }

    public String post(String url) {
        this.post(url, null, responseHandler);
        return result;
    }

    public String delete(String url, RequestParams params) {
        this.delete(url, params, responseHandler);
        return result;
    }

    public String delete(String url) {
        this.delete(url, null, responseHandler);
        return result;
    }

}