org.kei.android.phone.cellhistory.towers.request.OpenCellIdRequestEntity.java Source code

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Here is the source code for org.kei.android.phone.cellhistory.towers.request.OpenCellIdRequestEntity.java

Source

package org.kei.android.phone.cellhistory.towers.request;

import java.io.DataInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Locale;

import org.apache.commons.httpclient.DefaultHttpMethodRetryHandler;
import org.apache.commons.httpclient.HttpConnection;
import org.apache.commons.httpclient.HttpState;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.RequestEntity;
import org.apache.commons.httpclient.params.HttpMethodParams;
import org.json.JSONObject;
import org.kei.android.phone.cellhistory.towers.TowerInfo;

/**
 *******************************************************************************
 * @file OpenCellIdRequestEntity.java
 * @author Keidan
 * @date 01/12/2015
 * @par Project CellHistory
 *
 * @par Copyright 2015 Keidan, all right reserved
 *
 *      This software is distributed in the hope that it will be useful, but
 *      WITHOUT ANY WARRANTY.
 *
 *      License summary : You can modify and redistribute the sources code and
 *      binaries. You can send me the bug-fix
 *
 *      Term of the license in in the file license.txt.
 *
 *******************************************************************************
 */
public class OpenCellIdRequestEntity implements RequestEntity, CellIdRequestEntity {
    protected TowerInfo ti;

    public OpenCellIdRequestEntity(final TowerInfo ti) {
        this.ti = ti;
    }

    @Override
    public boolean isRepeatable() {
        return true;
    }

    /**
     * Pretend to be a French Sony_Ericsson-K750 that wants to receive its
     * lat/long-values =) The data written is highly proprietary !!!
     */
    @Override
    public void writeRequest(final OutputStream outputStream) throws IOException {
    }

    @Override
    public long getContentLength() {
        return -1;
    }

    @Override
    public String getContentType() {
        return "application/json";
    }

    @Override
    public int decode(final String url, final HttpConnection connection, final int timeout) throws Exception {
        int ret = OK;
        final GetMethod getMethod = new GetMethod(url);
        getMethod.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,
                new DefaultHttpMethodRetryHandler(1, false));
        // socket timeout (connection timeout already set in HttpClient)
        getMethod.getParams().setSoTimeout(timeout);
        final int resCode = getMethod.execute(new HttpState(), connection);
        final InputStream response = getMethod.getResponseBodyAsStream();
        final DataInputStream dis = new DataInputStream(response);
        if (resCode == HttpStatus.SC_OK) {
            final int av = dis.available();
            final byte[] json = new byte[av];
            dis.readFully(json);
            final String sjson = new String(json);
            final String ljson = sjson.toLowerCase(Locale.US);
            if (ljson.indexOf("err") == -1) {
                final JSONObject object = new JSONObject(sjson);
                String lat, lng;
                lat = object.getString("lat");
                lng = object.getString("lon");
                ti.setCellLatitude(Double.parseDouble(lat));
                ti.setCellLongitude(Double.parseDouble(lng));
            } else if (ljson.indexOf("not found") != -1)
                ret = NOT_FOUND;
            else
                ret = EXCEPTION;
        } else if (resCode == HttpStatus.SC_NOT_FOUND)
            ret = NOT_FOUND;
        else if (resCode == HttpStatus.SC_INTERNAL_SERVER_ERROR)
            ret = BAD_REQUEST;
        else
            ret = EXCEPTION;
        getMethod.releaseConnection();
        return ret;
    }
}