Example usage for java.util Hashtable Hashtable

Introduction

In this page you can find the example usage for java.util Hashtable Hashtable.

Prototype

public Hashtable()

Source Link

Document

Constructs a new, empty hashtable with a default initial capacity (11) and load factor (0.75).

Usage

From source file:br.unifei.edu.eco009.steamlansync.cache.SteamCache.java

public static void bootstrap() {
    chunks = new Hashtable<String, HttpChunkContents>();
    cache = JCS.getInstance("chunks");
}

From source file:Main.java

static Hashtable hashtableClone(Hashtable ht1, Hashtable ht2) {
    if (ht1 == null && ht2 == null)
        return null;

    Hashtable htresp = new Hashtable();

    if (ht1 != null) {
        Enumeration e = ht1.keys();
        while (e.hasMoreElements()) {
            Object element = e.nextElement();
            htresp.put(element, ht1.get(element));
        }/*  www.jav  a2 s  .c o m*/
    }
    if (ht2 != null) {
        Enumeration e = ht2.keys();
        while (e.hasMoreElements()) {
            Object element = e.nextElement();
            htresp.put(element, ht2.get(element));
        }
    }
    return htresp;
}

From source file:Main.java

/**
 * Create a Hashtable from a key, value, key, value... style
 * Enumeration.//from   w w w  .  j  ava 2s  .c  o  m
 */
public static Hashtable createHashtable(Enumeration e) {
    Hashtable result = new Hashtable();
    while (e.hasMoreElements())
        result.put(e.nextElement(), e.nextElement());
    return result;
}

From source file:Main.java

public static <K, V> Hashtable<K, V> newHashtable() {
    return new Hashtable<K, V>();
}

From source file:Util.java

/*********************************************************************
* Removes duplicate elements from the array.
*********************************************************************/
public static Object[] removeDuplicates(Object[] array)
//////////////////////////////////////////////////////////////////////
{

    Hashtable hashtable = new Hashtable();

    for (int i = 0; i < array.length; i++) {
        hashtable.put(array[i], array[i]);
    }/*from   w  ww  .jav  a  2  s  . com*/

    Object[] newArray = (Object[]) Array.newInstance(array.getClass().getComponentType(), hashtable.size());

    int index = 0;

    Enumeration enumeration = hashtable.elements();

    while (enumeration.hasMoreElements()) {
        newArray[index++] = enumeration.nextElement();
    }

    return newArray;
}

From source file:Main.java

private static ByteBuffer convertImageData(BufferedImage bufferedImage) {
    ByteBuffer imageBuffer;//from w  w w. ja  v  a 2s . co m
    WritableRaster raster;
    BufferedImage texImage;

    // for a texture
    if (bufferedImage.getColorModel().hasAlpha()) {
        raster = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, bufferedImage.getWidth(),
                bufferedImage.getHeight(), 4, null);
        texImage = new BufferedImage(glAlphaColorModel, raster, false, new Hashtable<Object, Object>());
    } else {
        raster = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, bufferedImage.getWidth(),
                bufferedImage.getHeight(), 3, null);
        texImage = new BufferedImage(glColorModel, raster, false, new Hashtable<Object, Object>());
    }

    // copy the source image into the produced image
    Graphics g = texImage.getGraphics();
    g.setColor(new Color(0f, 0f, 0f, 0f));
    g.fillRect(0, 0, bufferedImage.getWidth(), bufferedImage.getHeight());
    g.drawImage(bufferedImage, 0, 0, null);

    // build a byte buffer from the temporary image
    // that be used by OpenGL to produce a texture.
    byte[] data = ((DataBufferByte) bufferedImage.getRaster().getDataBuffer()).getData();

    imageBuffer = ByteBuffer.allocateDirect(data.length);
    imageBuffer.order(ByteOrder.nativeOrder());
    imageBuffer.put(data, 0, data.length);
    imageBuffer.flip();

    return imageBuffer;
}

From source file:Main.java

/**
 * Applies a stylesheet to a given xml document.
 *
 * @param xmlDocument  the xml document to be transformed
 * @param xsltFilename the filename of the stylesheet
 * @return the transformed xml document/* w  w w . j a  va2 s. c o  m*/
 * @throws Exception
 */
public static Document transformDocument(Document xmlDocument, String xsltFilename)
        throws TransformerException, ParserConfigurationException {
    return transformDocument(xmlDocument, new Hashtable<String, String>(), xsltFilename);
}

From source file:Main.java

public static Hashtable<Integer, Vector<Integer>> getNodeMembership(final Vector<Vector<Integer>> CmtyVV) {
    Hashtable<Integer, Vector<Integer>> NIDComVH = new Hashtable<Integer, Vector<Integer>>();
    for (int CID = 0; CID < CmtyVV.size(); CID++) {
        for (Integer NID : CmtyVV.get(CID)) {
            if (!NIDComVH.contains(NID)) {
                Vector<Integer> v = new Vector<Integer>();
                v.add(CID);//from   w  w  w.  j  a  va  2  s.c o m
                NIDComVH.put(NID, v);
            } else {
                Vector<Integer> v = NIDComVH.get(NID);
                v.add(CID);
                NIDComVH.put(NID, v);
            }
        }
    }
    return NIDComVH;
}

From source file:Main.java

public static Hashtable parameterMapToHashtable(Map m) {
    Hashtable ret = new Hashtable();
    ret.putAll(m);//ww w . j av a2s. com
    for (Iterator i = ret.keySet().iterator(); i.hasNext();) {
        Object key = i.next();
        String[] value = (String[]) ret.get(key);
        try {
            ret.put(key, value[0]);
        } catch (ArrayIndexOutOfBoundsException e) {
            // This should not happen but if it does just continue
            // processing.
        }
    }
    return ret;
}

From source file:Main.java

public static Hashtable emptyIfNull(Hashtable h) {
    return h == null ? new Hashtable() : h;
}