com.normalexception.app.rx8club.httpclient.RetryHandler.java Source code

Introduction

Here is the source code for com.normalexception.app.rx8club.httpclient.RetryHandler.java

Source

package com.normalexception.app.rx8club.httpclient;

/************************************************************************
 * NormalException.net Software, and other contributors
 * http://www.normalexception.net
 * 
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 ************************************************************************/

import java.io.IOException;

import org.apache.http.NoHttpResponseException;
import org.apache.http.impl.client.DefaultHttpRequestRetryHandler;
import org.apache.http.protocol.HttpContext;
import org.apache.http.protocol.HttpCoreContext;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;

import com.normalexception.app.rx8club.Log;

/**
 * Custom retry handler
 */
public class RetryHandler extends DefaultHttpRequestRetryHandler {
    private static final int MAX_RETRY = 5;
    private Logger TAG = LogManager.getLogger(this.getClass());

    /*
     * (non-Javadoc)
     * @see ch.boye.httpclientandroidlib.impl.client.DefaultHttpRequestRetryHandler#retryRequest(java.io.IOException, int, ch.boye.httpclientandroidlib.protocol.HttpContext)
     */
    public boolean retryRequest(IOException exception, int executionCount, HttpContext context) {
        // retry a max of MAX_RETRY times
        if (executionCount >= MAX_RETRY) {
            Log.d(TAG, "Max Retries Exceeded");
            return false;
        }

        if (exception instanceof NoHttpResponseException) {
            // Retry if the server dropped connection on us
            Log.d(TAG, "Server dropped request, retrying");
            return true;
        }

        Boolean b = (Boolean) context.getAttribute(HttpCoreContext.HTTP_REQ_SENT);
        boolean sent = (b != null && b.booleanValue());
        if (!sent) {
            // Retry if the request has not been sent fully or
            // if it's OK to retry methods that have been sent
            Log.d(TAG, "Request not fully sent, retrying");
            return true;
        }

        // otherwise do not retry
        return false;
    }
}