Example usage for java.util Hashtable Hashtable

List of usage examples for java.util Hashtable Hashtable

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Introduction

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

Prototype

Hashtable(Void dummy)

Source Link

Document

A constructor chained from Properties keeps Hashtable fields uninitialized since they are not used.

Usage

From source file:com.springsource.insight.plugin.ldap.TestLdapContext.java

public TestLdapContext(@SuppressWarnings("hiding") Hashtable<?, ?> environment) {
    this.environment = new Hashtable<Object, Object>(environment);
}

From source file:edu.csun.ecs.cs.multitouchj.application.whiteboard.ui.InteractiveCanvas.java

public Map<Integer, Pen> getPens() {
    return new Hashtable<Integer, Pen>(pens);
}

From source file:com.flexive.extractor.ExtractedData.java

/**
 * Returns a compressed form of the extracted text that only contains words with at least
 * 4 and at most 30 characters, and contains every distinct uppercase word only one time.
 * Additional text (eg text from html tag attributes like 'title' and 'alt') stored in the
 * FxSummaryInformation will be included.
 *
 * @return a compressed form of the extracted text
 *//*from w ww . j  a va  2  s .c  o  m*/
public String getCompressedText() {
    if (compressed == null) {
        Hashtable<String, Boolean> words = new Hashtable<String, Boolean>(5000);
        StringBuffer concateWords = new StringBuffer(30000);
        // Split by whitespaces and other chars, also remove dups.
        // Only keep words that have more than 3 characters
        String txt = this.text;
        if (si != null)
            txt += (si.getTitle() == null ? "" : " " + si.getTitle())
                    + (si.getKeywords() == null ? "" : " " + si.getKeywords())
                    + (si.getAuthor() == null ? "" : " " + si.getAuthor())
                    + (si.getComments() == null ? "" : " " + si.getComments())
                    + (si.getRevNumber() == null ? "" : " " + si.getRevNumber())
                    + (si.getAdditionalText() == null ? " " : si.getAdditionalText());

        txt = txt.replace("?", " ").replace(".", " ").replace("!", " ");
        String[] sw = txt.split("[\\s,;:=\\(\\)\"-']");
        for (String word : sw) {
            if (word.length() < 4 || word.length() > 30)
                continue;
            words.put(word.toUpperCase(), Boolean.TRUE);
        }
        for (Enumeration e = words.keys(); e.hasMoreElements();) {
            concateWords.append(" ").append(e.nextElement());
        }
        compressed = concateWords.toString();
    }
    return compressed;
}