mirror of
https://github.com/commons-app/apps-android-commons.git
synced 2025-10-27 21:03:54 +01:00
319 lines
12 KiB
Java
319 lines
12 KiB
Java
package fr.free.nrw.commons;
|
|
|
|
import android.content.Context;
|
|
import android.net.Uri;
|
|
import android.os.Build;
|
|
import android.preference.PreferenceManager;
|
|
|
|
import com.nostra13.universalimageloader.core.DisplayImageOptions;
|
|
import com.nostra13.universalimageloader.core.assist.ImageScaleType;
|
|
import com.nostra13.universalimageloader.core.display.FadeInBitmapDisplayer;
|
|
|
|
import fr.free.nrw.commons.settings.Prefs;
|
|
import timber.log.Timber;
|
|
|
|
import java.io.BufferedInputStream;
|
|
import java.io.IOException;
|
|
import java.io.InputStream;
|
|
import java.io.StringWriter;
|
|
import java.io.UnsupportedEncodingException;
|
|
import java.math.BigInteger;
|
|
import java.security.MessageDigest;
|
|
import java.security.NoSuchAlgorithmException;
|
|
import java.text.ParseException;
|
|
import java.text.SimpleDateFormat;
|
|
import java.util.Date;
|
|
import java.util.Locale;
|
|
import java.util.TimeZone;
|
|
import java.util.regex.Matcher;
|
|
import java.util.regex.Pattern;
|
|
|
|
import javax.xml.transform.Transformer;
|
|
import javax.xml.transform.TransformerConfigurationException;
|
|
import javax.xml.transform.TransformerException;
|
|
import javax.xml.transform.TransformerFactory;
|
|
import javax.xml.transform.TransformerFactoryConfigurationError;
|
|
import javax.xml.transform.dom.DOMSource;
|
|
import javax.xml.transform.stream.StreamResult;
|
|
|
|
import org.apache.commons.codec.binary.Hex;
|
|
import org.apache.commons.codec.digest.DigestUtils;
|
|
import org.apache.commons.codec.net.URLCodec;
|
|
import org.w3c.dom.Node;
|
|
import org.xmlpull.v1.XmlPullParser;
|
|
import org.xmlpull.v1.XmlPullParserException;
|
|
|
|
|
|
public class Utils {
|
|
|
|
// Get SHA1 of file from input stream
|
|
public static String getSHA1(InputStream is) {
|
|
|
|
MessageDigest digest;
|
|
try {
|
|
digest = MessageDigest.getInstance("SHA1");
|
|
} catch (NoSuchAlgorithmException e) {
|
|
Timber.e(e, "Exception while getting Digest");
|
|
return "";
|
|
}
|
|
|
|
byte[] buffer = new byte[8192];
|
|
int read;
|
|
try {
|
|
while ((read = is.read(buffer)) > 0) {
|
|
digest.update(buffer, 0, read);
|
|
}
|
|
byte[] md5sum = digest.digest();
|
|
BigInteger bigInt = new BigInteger(1, md5sum);
|
|
String output = bigInt.toString(16);
|
|
// Fill to 40 chars
|
|
output = String.format("%40s", output).replace(' ', '0');
|
|
Timber.i("File SHA1: %s", output);
|
|
|
|
return output;
|
|
} catch (IOException e) {
|
|
Timber.e(e, "IO Exception");
|
|
return "";
|
|
} finally {
|
|
try {
|
|
is.close();
|
|
} catch (IOException e) {
|
|
Timber.e(e, "Exception on closing MD5 input stream");
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Strips localization symbols from a string.
|
|
* Removes the suffix after "@" and quotes.
|
|
*
|
|
* @param s string possibly containing localization symbols
|
|
* @return stripped string
|
|
*/
|
|
public static String stripLocalizedString(String s) {
|
|
Matcher matcher = Pattern.compile("\\\"(.*)\\\"(@\\w+)?").matcher(s);
|
|
if (matcher.find()) {
|
|
return matcher.group(1);
|
|
} else {
|
|
return s;
|
|
}
|
|
}
|
|
|
|
public static Date parseMWDate(String mwDate) {
|
|
SimpleDateFormat isoFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", Locale.ENGLISH); // Assuming MW always gives me UTC
|
|
try {
|
|
return isoFormat.parse(mwDate);
|
|
} catch (ParseException e) {
|
|
throw new RuntimeException(e);
|
|
}
|
|
}
|
|
|
|
public static String toMWDate(Date date) {
|
|
SimpleDateFormat isoFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", Locale.ENGLISH); // Assuming MW always gives me UTC
|
|
isoFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
|
|
return isoFormat.format(date);
|
|
}
|
|
|
|
public static String makeThumbBaseUrl(String filename) {
|
|
String name = filename.replaceFirst("File:", "").replace(" ", "_");
|
|
String sha = new String(Hex.encodeHex(DigestUtils.md5(name)));
|
|
return String.format("%s/%s/%s/%s", CommonsApplication.IMAGE_URL_BASE, sha.substring(0, 1), sha.substring(0, 2), urlEncode(name));
|
|
}
|
|
|
|
public static String getStringFromDOM(Node dom) {
|
|
Transformer transformer = null;
|
|
try {
|
|
transformer = TransformerFactory.newInstance().newTransformer();
|
|
} catch (TransformerConfigurationException | TransformerFactoryConfigurationError e) {
|
|
// TODO Auto-generated catch block
|
|
e.printStackTrace();
|
|
}
|
|
|
|
StringWriter outputStream = new StringWriter();
|
|
DOMSource domSource = new DOMSource(dom);
|
|
StreamResult strResult = new StreamResult(outputStream);
|
|
|
|
try {
|
|
transformer.transform(domSource, strResult);
|
|
} catch (TransformerException e) {
|
|
// TODO Auto-generated catch block
|
|
e.printStackTrace();
|
|
}
|
|
return outputStream.toString();
|
|
}
|
|
|
|
private static DisplayImageOptions.Builder defaultImageOptionsBuilder;
|
|
|
|
public static DisplayImageOptions.Builder getGenericDisplayOptions() {
|
|
if (defaultImageOptionsBuilder == null) {
|
|
defaultImageOptionsBuilder = new DisplayImageOptions.Builder().cacheInMemory()
|
|
.imageScaleType(ImageScaleType.IN_SAMPLE_POWER_OF_2);
|
|
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
|
|
// List views flicker badly during data updates on Android 2.3; we
|
|
// haven't quite figured out why but cells seem to be rearranged oddly.
|
|
// Disable the fade-in on 2.3 to reduce the effect.
|
|
defaultImageOptionsBuilder = defaultImageOptionsBuilder
|
|
.displayer(new FadeInBitmapDisplayer(300));
|
|
}
|
|
defaultImageOptionsBuilder = defaultImageOptionsBuilder
|
|
.cacheInMemory()
|
|
.resetViewBeforeLoading();
|
|
}
|
|
return defaultImageOptionsBuilder;
|
|
}
|
|
|
|
private static final URLCodec urlCodec = new URLCodec();
|
|
|
|
public static String urlEncode(String url) {
|
|
try {
|
|
return urlCodec.encode(url, "utf-8");
|
|
} catch (UnsupportedEncodingException e) {
|
|
throw new RuntimeException(e);
|
|
}
|
|
}
|
|
|
|
public static long countBytes(InputStream stream) throws IOException {
|
|
long count = 0;
|
|
BufferedInputStream bis = new BufferedInputStream(stream);
|
|
while (bis.read() != -1) {
|
|
count++;
|
|
}
|
|
return count;
|
|
}
|
|
|
|
public static String makeThumbUrl(String imageUrl, String filename, int width) {
|
|
// Ugly Hack!
|
|
// Update: OH DEAR GOD WHAT A HORRIBLE HACK I AM SO SORRY
|
|
if (imageUrl.endsWith("webm")) {
|
|
return imageUrl.replaceFirst("test/", "test/thumb/").replace("commons/", "commons/thumb/") + "/" + width + "px--" + filename.replaceAll("File:", "").replaceAll(" ", "_") + ".jpg";
|
|
} else {
|
|
String thumbUrl = imageUrl.replaceFirst("test/", "test/thumb/").replace("commons/", "commons/thumb/") + "/" + width + "px-" + filename.replaceAll("File:", "").replaceAll(" ", "_");
|
|
if (thumbUrl.endsWith("jpg") || thumbUrl.endsWith("png") || thumbUrl.endsWith("jpeg")) {
|
|
return thumbUrl;
|
|
} else {
|
|
return thumbUrl + ".png";
|
|
}
|
|
}
|
|
}
|
|
|
|
public static String capitalize(String string) {
|
|
return string.substring(0, 1).toUpperCase(Locale.getDefault()) + string.substring(1);
|
|
}
|
|
|
|
public static String licenseTemplateFor(String license) {
|
|
switch (license) {
|
|
case Prefs.Licenses.CC_BY_3:
|
|
return "{{self|cc-by-3.0}}";
|
|
case Prefs.Licenses.CC_BY_4:
|
|
return "{{self|cc-by-4.0}}";
|
|
case Prefs.Licenses.CC_BY_SA_3:
|
|
return "{{self|cc-by-sa-3.0}}";
|
|
case Prefs.Licenses.CC_BY_SA_4:
|
|
return "{{self|cc-by-sa-4.0}}";
|
|
case Prefs.Licenses.CC0:
|
|
return "{{self|cc-zero}}";
|
|
case Prefs.Licenses.CC_BY:
|
|
return "{{self|cc-by-3.0}}";
|
|
case Prefs.Licenses.CC_BY_SA:
|
|
return "{{self|cc-by-sa-3.0}}";
|
|
}
|
|
throw new RuntimeException("Unrecognized license value: " + license);
|
|
}
|
|
|
|
public static int licenseNameFor(String license) {
|
|
switch (license) {
|
|
case Prefs.Licenses.CC_BY_3:
|
|
return R.string.license_name_cc_by;
|
|
case Prefs.Licenses.CC_BY_4:
|
|
return R.string.license_name_cc_by_four;
|
|
case Prefs.Licenses.CC_BY_SA_3:
|
|
return R.string.license_name_cc_by_sa;
|
|
case Prefs.Licenses.CC_BY_SA_4:
|
|
return R.string.license_name_cc_by_sa_four;
|
|
case Prefs.Licenses.CC0:
|
|
return R.string.license_name_cc0;
|
|
case Prefs.Licenses.CC_BY: // for backward compatibility to v2.1
|
|
return R.string.license_name_cc_by_3_0;
|
|
case Prefs.Licenses.CC_BY_SA: // for backward compatibility to v2.1
|
|
return R.string.license_name_cc_by_sa_3_0;
|
|
}
|
|
throw new RuntimeException("Unrecognized license value: " + license);
|
|
}
|
|
|
|
public static String licenseUrlFor(String license) {
|
|
switch (license) {
|
|
case Prefs.Licenses.CC_BY_3:
|
|
return "https://creativecommons.org/licenses/by/3.0/";
|
|
case Prefs.Licenses.CC_BY_4:
|
|
return "https://creativecommons.org/licenses/by/4.0/";
|
|
case Prefs.Licenses.CC_BY_SA_3:
|
|
return "https://creativecommons.org/licenses/by-sa/3.0/";
|
|
case Prefs.Licenses.CC_BY_SA_4:
|
|
return "https://creativecommons.org/licenses/by-sa/4.0/";
|
|
case Prefs.Licenses.CC0:
|
|
return "https://creativecommons.org/publicdomain/zero/1.0/";
|
|
}
|
|
throw new RuntimeException("Unrecognized license value: " + license);
|
|
}
|
|
|
|
public static Uri uriForWikiPage(String name) {
|
|
String underscored = name.trim().replace(" ", "_");
|
|
String uriStr = CommonsApplication.HOME_URL + urlEncode(underscored);
|
|
return Uri.parse(uriStr);
|
|
}
|
|
|
|
/**
|
|
* Fast-forward an XmlPullParser to the next instance of the given element
|
|
* in the input stream (namespaced).
|
|
*
|
|
* @param parser
|
|
* @param namespace
|
|
* @param element
|
|
* @return true on match, false on failure
|
|
*/
|
|
public static boolean xmlFastForward(XmlPullParser parser, String namespace, String element) {
|
|
try {
|
|
while (parser.next() != XmlPullParser.END_DOCUMENT) {
|
|
if (parser.getEventType() == XmlPullParser.START_TAG &&
|
|
parser.getNamespace().equals(namespace) &&
|
|
parser.getName().equals(element)) {
|
|
// We found it!
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
} catch (XmlPullParserException e) {
|
|
e.printStackTrace();
|
|
return false;
|
|
} catch (IOException e) {
|
|
e.printStackTrace();
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public static String fixExtension(String title, String extension) {
|
|
Pattern jpegPattern = Pattern.compile("\\.jpeg$", Pattern.CASE_INSENSITIVE);
|
|
|
|
// People are used to ".jpg" more than ".jpeg" which the system gives us.
|
|
if (extension != null && extension.toLowerCase(Locale.ENGLISH).equals("jpeg")) {
|
|
extension = "jpg";
|
|
}
|
|
title = jpegPattern.matcher(title).replaceFirst(".jpg");
|
|
if (extension != null && !title.toLowerCase(Locale.getDefault()).endsWith("." + extension.toLowerCase(Locale.ENGLISH))) {
|
|
title += "." + extension;
|
|
}
|
|
return title;
|
|
}
|
|
|
|
public static boolean isNullOrWhiteSpace(String value) {
|
|
return value == null || value.trim().isEmpty();
|
|
}
|
|
|
|
public static boolean isDarkTheme(Context context){
|
|
if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean("theme",true)) {
|
|
return true;
|
|
}else {
|
|
return false;
|
|
}
|
|
}
|
|
}
|