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:com.emc.licensekey.activation.dao.impl.MockSiteDAO.java

private static String getRandomMacAddress(String name) {
    return String.format("AA:BB:CC:DD:" + "%02X:%02X", name.hashCode() % 9, name.hashCode() % 3);
}

From source file:Main.java

/**
 * Pretty crap long hashcode algo. FIXME
 * @param s The string to get the long hash code for
 * @return the long has code//from   w ww .j  a va 2s . co m
 */
public static long longHashCode(String s) {
    long h = 0;
    int len = s.length();
    int off = 0;
    int hashPrime = s.hashCode();
    char val[] = s.toCharArray();
    for (int i = 0; i < len; i++) {
        h = (31 * h + val[off++] + (hashPrime * h));
    }
    return h;
}

From source file:com.buaa.cfs.common.oncrpc.RpcUtil.java

public static int getNewXid(String caller) {
    return xid = ++xid + caller.hashCode();
}

From source file:model.NotesImageFile.java

/**
 * Takes a regular filename and creates a unique filename with date values included
 * @param fileName - the plain filename/*from www  .java2  s  . c  o m*/
 * @return 
 */
public static String createUniqueFileName(String fileName) {
    int hashcode = fileName.hashCode();
    DateFormat df = new SimpleDateFormat("yyyy-mm-dd-HH-mm-ss");
    Calendar calobj = Calendar.getInstance();
    System.out.println(df.format(calobj.getTime()));
    return (df.format(calobj.getTime()) + hashcode + fileName);
}

From source file:Main.java

public static String getCacheFileName(String url) {
    StringBuilder builder = new StringBuilder();
    builder.setLength(0);/*ww w. ja  va2  s.c om*/
    builder.append(CACHE_DIRECTORY);
    builder.append(url.hashCode()).append(".jpg");
    return builder.toString();
}

From source file:net.sourceforge.atunes.kernel.modules.lyrics.LyricsCache.java

/**
 * Lyrics Filename/*from  w  w w .ja v a 2  s.  c  o  m*/
 * 
 * @param album
 * @return
 */
private static String getFileNameForLyric(String artist, String title) {
    return StringUtils.getString(artist.hashCode(), title.hashCode(), ".xml");
}

From source file:com.chinamobile.bcbsp.graph.MetaDataOfGraph.java

/**
 * Compute the local partition rule.//from ww w.  j  av a  2  s .  c  o  m
 * @param dstVertexID
 * @return int
 */
public static int localPartitionRule(String dstVertexID) {
    int hashBucketNumber = BCBSP_DISKGRAPH_HASHNUMBER;
    int hashCode = dstVertexID.hashCode();
    int hashIndex = hashCode % hashBucketNumber; // bucket index
    hashIndex = (hashIndex < 0 ? hashIndex + hashBucketNumber : hashIndex);
    return hashIndex;
}

From source file:IO.FileWriter.java

/**
 * Write a given InputStream to file/*w ww  .ja  va2  s . c om*/
 *
 * @param is InputStream represent a file
 * @param file_path the destination file path
 * @return true if the file was successfully written to the disk
 */
public static boolean SaveInputStreamToFile(InputStream is, String file_path) {
    boolean success = false;
    try {
        File f = new File(file_path);
        is.reset();
        try (FileOutputStream fos = new FileOutputStream(f)) {
            byte[] buf = new byte[4096];
            int bytesRead;
            while ((bytesRead = is.read(buf)) != -1) {
                fos.write(buf, 0, bytesRead);
            }
        }
        success = true;
        is.reset();
    } catch (FileNotFoundException exception) {
        //Cope with filenames in exotic languages like chinees
        String fileName = Files.GetFileNameWithoutExtension(file_path);
        file_path = file_path.replace(fileName, fileName.hashCode() + "");
        success = SaveInputStreamToFile(is, file_path);
    } catch (IOException exception) {
        Console.PrintException("Error save InputStream to file", exception);
    }
    return success;
}

From source file:Main.java

public static File findInDiscCache(Context context, String imageUri) {
    File individualCacheDir = getIndividualCacheDirectory(context);
    String fileName = String.valueOf(imageUri.hashCode());
    File image = new File(individualCacheDir, fileName);
    return image.exists() ? image : null;
}

From source file:Main.java

public static File genDiscCacheFile(Context context, String imageUri) {
    File individualCacheDir = getIndividualCacheDirectory(context);
    String fileName = String.valueOf(imageUri.hashCode());
    File file = new File(individualCacheDir, fileName);
    Long currentTime = System.currentTimeMillis();
    file.setLastModified(currentTime);//from  w  w  w  .  ja v a2  s . c o  m
    return file;
}