Example usage for java.lang String hashCode

Introduction

In this page you can find the example usage for java.lang String hashCode.

Prototype

public int hashCode()

Source Link

Document

Returns a hash code for this string.

Usage

From source file:Main.java

/**
 * Store a picture that has just been saved to disk in the MediaStore.
 * /*from www.  j a  va2  s . com*/
 * @param imageFile
 *            The File of the picture
 * @return The Uri provided by the MediaStore.
 */
public static Uri storePicture(Context ctx, File imageFile, String imageName) {
    ContentResolver cr = ctx.getContentResolver();
    imageName = imageName.substring(imageName.lastIndexOf('/') + 1);
    ContentValues values = new ContentValues(7);
    values.put(Images.Media.TITLE, imageName);
    values.put(Images.Media.DISPLAY_NAME, imageName);
    values.put(Images.Media.DESCRIPTION, "");
    values.put(Images.Media.DATE_TAKEN, System.currentTimeMillis());
    values.put(Images.Media.MIME_TYPE, "image/jpeg");
    values.put(Images.Media.ORIENTATION, 0);
    File parentFile = imageFile.getParentFile();
    String path = parentFile.toString().toLowerCase();
    String name = parentFile.getName().toLowerCase();
    values.put(Images.ImageColumns.BUCKET_ID, path.hashCode());
    values.put(Images.ImageColumns.BUCKET_DISPLAY_NAME, name);
    values.put("_data", imageFile.toString());

    Uri uri = cr.insert(sStorageURI, values);

    return uri;
}

From source file:Main.java

public static String getFilesPath(String root) {
    if (root == null) {
        throw new IllegalArgumentException("root can't be null");
    }/*from www. j a v a 2s.  com*/

    if (filesPathCache != null && cachedRoot.hashCode() == root.hashCode())
        return filesPathCache;

    if (root.lastIndexOf('/') == -1) {
        filesPathCache = root + "/" + root + "_files/";
        cachedRoot = root;
        return filesPathCache;
    } else {
        int indexOfSlash = root.lastIndexOf('/');

        if (indexOfSlash != -1) {
            filesPathCache = root + "/" + extractMapName(root) + "_files/";
            cachedRoot = root;
        }

        return filesPathCache;
    }
}

From source file:com.screenslicer.common.Crypto.java

public static int fastHashInt(String str) {
    try {//  w w w. jav  a2  s  .  co m
        return str.hashCode();
    } catch (Exception e) {
        Log.exception(e);
        throw new RuntimeException(e);
    }
}

From source file:Main.java

public static String hashString(String input) {
    MessageDigest md5;/*from  w  ww .ja v a  2 s  .  c  o m*/
    try {
        md5 = MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
        return String.valueOf(input.hashCode());
    }
    md5.update(input.getBytes());
    byte[] hash = md5.digest();
    return toHex(hash);
}

From source file:com.objy.se.utils.TargetList.java

private static long hash(List<Object> values) {
    String value = "";
    for (Object obj : values) {
        value += obj.toString();/*from   w ww  .  j  a v a2  s  .  com*/
    }
    return value.hashCode();
}

From source file:Main.java

public static int getColorForName(String name) {
    if (name.isEmpty()) {
        return 0xFF202020;
    }/*from  w  w  w  .j  av a  2 s  .  co m*/
    int colors[] = { 0xFFe91e63, 0xFF9c27b0, 0xFF673ab7, 0xFF3f51b5, 0xFF5677fc, 0xFF03a9f4, 0xFF00bcd4,
            0xFF009688, 0xFFff5722, 0xFF795548, 0xFF607d8b };
    return colors[(int) ((name.hashCode() & 0xffffffffl) % colors.length)];
}

From source file:Main.java

/**
 * get a unique hash of the device.// w  ww  .  j a v  a2  s  .c o  m
 * 
 * @return a unique hash of the device.
 */
public static String getDeviceId(Context ctx) {
    if (ctx == null) {
        return null;
    }

    String androidId = "" + android.provider.Settings.Secure.getString(
            ctx.getApplicationContext().getContentResolver(), android.provider.Settings.Secure.ANDROID_ID);
    String deviceName = getDeviceName();

    UUID deviceUuid = new UUID(androidId.hashCode(),
            (long) deviceName.hashCode() << 32 | deviceName.hashCode());
    String deviceId = deviceUuid.toString().replace("-", "");

    return deviceId;
}

From source file:com.objy.se.utils.TargetList.java

private static long hashOfValues(Property... nameValues) {
    String value = "";
    for (Property nameValue : nameValues) {
        value += nameValue.attrValue.toString();
    }//from w w w . ja v a  2  s.  c  o  m
    return value.hashCode();
}

From source file:edu.stanford.junction.provider.irc.Junction.java

public static String makeIRCName(String name) {
    String s = String.valueOf(name.hashCode());
    s = s.replace("-", "0");
    s = "x" + s.substring(0, Math.min(s.length() - 1, 7));
    return s;//from  w  w  w .  ja va 2s. c  o  m
}

From source file:com.yahoo.research.scoring.classifier.NutchOnlineClassifier.java

/**
 * This is a simple functions which returns a hash within a fixed limited.
 * The returned has will be between 0 and (limit - 1)
 * //from w w  w . java  2s. c  o  m
 * @param str
 *            The {@link String} which should be hashed.
 * @param limit
 *            The maximal hash-size (int)
 * @return the corresponding hash value between 0 and (limit - 1) for the
 *         given input {@link String}
 */
private static int getHash(String str, int limit) {
    int hashCode = Math.abs(str.hashCode() % (limit));
    return hashCode;
}