aboutsummaryrefslogtreecommitdiffstats
path: root/src/cgeo/geocaching/cgDirectionImg.java
blob: 1aa7795bf6fd28e4570cce5a8b52cc907de7c04c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
package cgeo.geocaching;

import org.apache.commons.lang3.StringUtils;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.entity.BufferedHttpEntity;
import org.apache.http.impl.client.DefaultHttpClient;

import android.util.Log;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;

public class cgDirectionImg {

    public static void getDrawable(String geocode, String code) {
        String dirName;
        String fileName;

        if (StringUtils.isBlank(geocode) || StringUtils.isBlank(code)) {
            return;
        }

        if (StringUtils.isNotBlank(geocode)) {
            dirName = cgSettings.getStorage() + geocode + "/";
            fileName = cgSettings.getStorage() + geocode + "/direction.png";
        } else {
            return;
        }

        File dir = null;
        dir = new File(cgSettings.getStorage());
        if (dir.exists() == false) {
            dir.mkdirs();
        }
        dir = new File(dirName);
        if (dir.exists() == false) {
            dir.mkdirs();
        }
        dir = null;

        HttpClient client = null;
        HttpGet getMethod = null;
        HttpResponse httpResponse = null;
        HttpEntity entity = null;
        BufferedHttpEntity bufferedEntity = null;

        boolean ok = false;

        for (int i = 0; i < 3; i++) {
            if (i > 0)
                Log.w(cgSettings.tag, "cgDirectionImg.getDrawable: Failed to download data, retrying. Attempt #" + (i + 1));

            try {
                client = new DefaultHttpClient();
                getMethod = new HttpGet("http://www.geocaching.com/ImgGen/seek/CacheDir.ashx?k=" + code);
                httpResponse = client.execute(getMethod);
                entity = httpResponse.getEntity();
                bufferedEntity = new BufferedHttpEntity(entity);

                Log.i(cgSettings.tag, "[" + entity.getContentLength() + "B] Downloading direction image " + code);

                if (bufferedEntity != null) {
                    InputStream is = (InputStream) bufferedEntity.getContent();
                    FileOutputStream fos = new FileOutputStream(fileName);

                    try {
                        byte[] buffer = new byte[4096];
                        int l;
                        while ((l = is.read(buffer)) != -1) {
                            fos.write(buffer, 0, l);
                        }
                        ok = true;
                        fos.flush();
                    } catch (IOException e) {
                        Log.e(cgSettings.tag, "cgDirectionImg.getDrawable (saving to cache): " + e.toString());
                    } finally {
                        is.close();
                        fos.close();
                    }
                }

                if (ok) {
                    break;
                }
            } catch (Exception e) {
                Log.e(cgSettings.tag, "cgDirectionImg.getDrawable (downloading from web): " + e.toString());
            }
        }
    }
}