Example usage for java.util TreeMap remove

Introduction

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

Prototype

public V remove(Object key) 

Source Link

Document

Removes the mapping for this key from this TreeMap if present.

Usage

From source file:Main.java

public static void main(String[] args) {
    TreeMap<String, String> treeMap = new TreeMap<String, String>();

    treeMap.put("1", "One");
    treeMap.put("2", "Two");
    treeMap.put("3", "Three");

    Object obj = treeMap.remove("2");
    System.out.println(obj + " Removed from TreeMap");
}

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From source file:Main.java

public static void main(String[] args) {
    TreeMap<String, String> treeMap = new TreeMap<String, String>();
    System.out.println("Size of TreeMap : " + treeMap.size());

    treeMap.put("1", "One");
    treeMap.put("2", "Two");
    treeMap.put("3", "Three");

    System.out.println("Size of TreeMap after addition : " + treeMap.size());
    treeMap.remove("2");
    System.out.println("Size of TreeMap after removal : " + treeMap.size());

}

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From source file:Main.java

public static void main(String[] args) {

    TreeMap<Integer, String> treemap = new TreeMap<Integer, String>();

    // populating tree map
    treemap.put(2, "two");
    treemap.put(1, "one");
    treemap.put(3, "three");
    treemap.put(6, "six");
    treemap.put(5, "from java2s.com");

    System.out.println("Value before modification: " + treemap);

    // removing value at key 5
    System.out.println("Removed value: " + treemap.remove(5));

    System.out.println("Value after modification: " + treemap);
}

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From source file:com.kaikoda.cah.CardGenerator.java

/**
 * Generates a printable deck of Cards Against Humanity.
 * /*from  w w w  .  jav  a 2  s . c om*/
 * @param args where to find the data file and optionally the dictionary and
 *        target language if translation is required.
 * @throws CardGeneratorConfigurationException when it's not possible to
 *         construct a usable instance of CardGenerator.
 * @throws IOException
 * @throws SAXException
 * @throws ParserConfigurationException
 * @throws ParseException if there are any problems encountered while
 *         parsing the command line tokens.
 */
public static void main(String[] args) throws CardGeneratorConfigurationException, ParseException, SAXException,
        IOException, ParserConfigurationException {

    ProgressReporterMode verbosity = ProgressReporterMode.NORMAL;

    CardGenerator generator = new CardGenerator();
    generator.setVerbosity(verbosity);

    // Configure valid options accepted from the command-line
    CardGeneratorOptions options = new CardGeneratorOptions();

    // Interpret the arguments supplied at runtime.
    TreeMap<String, String> params = options.parse(args);

    // Check whether a level of verbosity has been specified.
    if (params.containsKey("verbosity")) {
        verbosity = ProgressReporterMode.valueOf(params.get("verbosity").toUpperCase());
        generator.setVerbosity(verbosity);
    }

    // Check whether help has been requested.
    if (params.containsKey("help")) {

        if (verbosity.equals(ProgressReporterMode.NORMAL)) {

            // Print a list of the options that can be used with
            // CardGenerator.
            System.out.println("\n" + params.get("help"));

        }

    } else {

        File data = new File(params.remove("path-to-data"));

        CardGeneratorProduct product = CardGeneratorProduct.HTML;
        if (params.containsKey("product")) {
            product = CardGeneratorProduct.valueOf(params.remove("product").toUpperCase());
        }

        Locale targetLanguage = null;
        if (params.containsKey("output-language")) {
            targetLanguage = Locale.forLanguageTag(params.remove("output-language"));
        }

        File dictionary = null;
        if (params.containsKey("path-to-dictionary")) {
            dictionary = new File(params.remove("path-to-dictionary"));
        }

        generator.generate(data, targetLanguage, dictionary, product);

    }
}

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From source file:com.eucalyptus.objectstorage.pipeline.handlers.S3Authentication.java

/**
 * Query params are included in cases of Query-String/Presigned-url auth where they are considered just like headers
 * /*from w  w w .  j  a v a  2s .  co m*/
 * @param httpRequest
 * @param includeQueryParams
 * @return
 */
private static String getCanonicalizedAmzHeaders(MappingHttpRequest httpRequest, boolean includeQueryParams) {
    String result = "";
    Set<String> headerNames = httpRequest.getHeaderNames();
    TreeMap<String, String> amzHeaders = new TreeMap<String, String>();
    for (String headerName : headerNames) {
        String headerNameString = headerName.toLowerCase().trim();
        if (headerNameString.startsWith("x-amz-")) {
            String value = httpRequest.getHeader(headerName).trim();
            String[] parts = value.split("\n");
            value = "";
            for (String part : parts) {
                part = part.trim();
                value += part + " ";
            }
            value = value.trim();
            if (amzHeaders.containsKey(headerNameString)) {
                String oldValue = (String) amzHeaders.remove(headerNameString);
                oldValue += "," + value;
                amzHeaders.put(headerNameString, oldValue);
            } else {
                amzHeaders.put(headerNameString, value);
            }
        }
    }

    if (includeQueryParams) {
        // For query-string auth, header values may include 'x-amz-*' that need to be signed
        for (String paramName : httpRequest.getParameters().keySet()) {
            processHeaderValue(paramName, httpRequest.getParameters().get(paramName), amzHeaders);
        }
    }

    // Build the canonical string
    Iterator<String> iterator = amzHeaders.keySet().iterator();
    while (iterator.hasNext()) {
        String key = iterator.next();
        String value = (String) amzHeaders.get(key);
        result += key + ":" + value + "\n";
    }
    return result;
}

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From source file:br.edimarmanica.trinity.extract.Extract.java

private void train(File fPage) throws IOException {
    String sPage = UTF8FileUtil.readStrippedHTML(fPage.toURI());

    TreeMap<Integer, Token> tokensPages = tokeniser.tokenise(sPage).getTokensMap();
    tokensPages.remove(tokensPages.lastKey());
    Text textPage = new Text(fPage, tokensPages.values());

    root.add(textPage);/*from  ww w. j  a va2s.c om*/
}

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From source file:org.j2free.util.ServletUtils.java

/**
 * Returns true if the parameter string prior to the "sig" parameter match the "sig"
 * parameter when combined with the key and hashed.  For post requests, the parameter
 * order is not guaranteed and so is assumed to be sorted alphabetically by key.
 *
 * @param req/*from   w ww.  j  av  a  2  s.  c  o m*/
 * @param secret
 * @return
 */
public static boolean isAuthenticatedRequest(HttpServletRequest req, String secret) {
    String query, sig = getStringParameter(req, "sig"), method = req.getMethod();
    if (method.equalsIgnoreCase("GET")) {
        query = req.getQueryString();

        if (StringUtils.isBlank(query) || StringUtils.isBlank(sig))
            return false;

        query = query.replace("&sig=" + sig, EMPTY);
    } else if (method.equalsIgnoreCase("POST")) {
        TreeMap<String, String[]> params = new TreeMap(req.getParameterMap());
        params.remove("sig"); // remove the signature

        StringBuilder buf = new StringBuilder();
        for (Map.Entry<String, String[]> entry : params.entrySet()) {
            if (buf.length() > 0)
                buf.append("&");

            buf.append(entry.getKey());
            buf.append('=');
            buf.append(entry.getValue()[0]);
        }
        query = buf.toString();
    } else // We're not supporting auth on non GET or POST requests
        return false;

    return signQueryString(query, secret).equals(sig);
}

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From source file:com.heliosapm.tsdblite.metric.Metric.java

public ObjectName toHostObjectName() {
    final StringBuilder b = new StringBuilder("metrics.");
    TreeMap<String, String> tgs = new TreeMap<String, String>(tags);
    String h = tgs.remove("host");
    String a = tgs.remove("app");
    final String host = h == null ? "unknownhost" : h;
    final int segIndex = metricName.indexOf('.');
    final String seg = segIndex == -1 ? metricName : metricName.substring(0, segIndex);
    b.append(host).append(".").append(seg).append(":");
    if (segIndex != -1) {
        tgs.put("app", metricName.substring(segIndex + 1));
    }/*w  ww  . j  ava  2 s  .c  o m*/
    for (Map.Entry<String, String> entry : tgs.entrySet()) {
        b.append(entry.getKey()).append("=").append(entry.getValue()).append(",");
    }
    b.deleteCharAt(b.length() - 1);
    return JMXHelper.objectName(b);
}

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From source file:eu.freme.broker.tools.internationalization.BodySwappingServletRequest.java

@Override
public Map<String, String[]> getParameterMap() {
    TreeMap<String, String[]> map = new TreeMap<String, String[]>();
    map.putAll(super.getParameterMap());
    map.put("informat", new String[] { "turtle" });
    map.remove("input");

    if (changeResponse) {
        map.put("outformat", new String[] { "turtle" });
    }//from   w  w  w . j  a va 2 s  .c o m

    return Collections.unmodifiableMap(map);
}

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From source file:com.heliosapm.tsdblite.handlers.json.SplitTraceInputHandler.java

public String toHostObjectNameName(final ObjectName on) {
    final StringBuilder b = new StringBuilder("meta.");
    TreeMap<String, String> tgs = new TreeMap<String, String>(on.getKeyPropertyList());
    final String metricName = on.getDomain();
    String h = tgs.remove("host");
    String a = tgs.remove("app");
    final String host = h; //==null ? "*" : h;
    final String app = a == null ? "ANYAPP" : a;
    final int segIndex = metricName.indexOf('.');
    final String seg = segIndex == -1 ? metricName : metricName.substring(0, segIndex);
    if (host != null) {
        b.append(host).append(".").append(seg).append(":");
    }/*from  w w w  . j av a 2  s .  c  o  m*/
    if (app != null) {
        tgs.put("app", app);
        //         b.append(app).append(".").append(seg).append(":");
    }

    //      if(segIndex!=-1) {
    //         tgs.put("app", metricName.substring(segIndex+1));
    //      }
    for (Map.Entry<String, String> entry : tgs.entrySet()) {
        b.append(entry.getKey()).append("=").append(entry.getValue()).append(",");
    }
    b.deleteCharAt(b.length() - 1);
    return b.toString();
}

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