Example usage for java.util Hashtable remove

List of usage examples for java.util Hashtable remove

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Introduction

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

Prototype

public synchronized V remove(Object key)

Source Link

Document

Removes the key (and its corresponding value) from this hashtable.

Usage

From source file:press.gfw.Server.java

/**
 * //from  ww w  .java  2  s.  com
 */
public void service() {

    if (System.currentTimeMillis() - lockFile.lastModified() < 30 * 000L) {

        log("???");

        log("? " + lockFile.getAbsolutePath() + "??");

        return;

    }

    try {

        lockFile.createNewFile();

    } catch (IOException ioe) {

    }

    lockFile.deleteOnExit();

    log("GFW.Press??......");

    log("?" + proxyHost);

    log("??" + proxyPort);

    Hashtable<String, String> users = null; // 

    Hashtable<String, Server> threads = new Hashtable<String, Server>(); // 

    while (true) {

        lockFile.setLastModified(System.currentTimeMillis());

        _sleep(20 * 1000L); // ?20

        users = config.getUser(); // ?

        if (users == null || users.size() == 0) {

            continue;

        }

        Enumeration<String> threadPorts = threads.keys(); // ?

        while (threadPorts.hasMoreElements()) { // ???

            String threadPort = threadPorts.nextElement();

            String userPassword = users.remove(threadPort);

            if (userPassword == null) { // 

                threads.remove(threadPort).kill();

                log("?" + threadPort);

            } else {

                Server thread = threads.get(threadPort);

                if (!userPassword.equals(thread.getPassword())) { // ?

                    log("??" + threadPort);

                    threads.remove(threadPort);

                    thread.kill();

                    thread = new Server(proxyHost, proxyPort, threadPort, userPassword);

                    threads.put(threadPort, thread);

                    thread.start();

                }

            }

        }

        Enumeration<String> userPorts = users.keys();

        while (userPorts.hasMoreElements()) { // 

            String userPort = userPorts.nextElement();

            Server thread = new Server(proxyHost, proxyPort, userPort, users.get(userPort));

            threads.put(userPort, thread);

            thread.start();

        }

        users.clear();

    }

}

From source file:org.gridchem.client.gui.charts.UsageChart.java

/**
 * Returns a dataset representing the consumption of this project's
 * allocation by each collaborator including the current user.
 * // w  ww .j  ava 2s .  c o  m
 * @param project
 * @return
 */
private DefaultPieDataset createUserDataset(Hashtable<ProjectBean, List<CollaboratorBean>> projectCollabTable) {

    DefaultPieDataset pds = new DefaultPieDataset();

    Hashtable<String, Double> userUsageTable = new Hashtable<String, Double>();

    for (ProjectBean project : projectCollabTable.keySet()) {
        List<CollaboratorBean> collabs = projectCollabTable.get(project);

        for (CollaboratorBean collab : collabs) {
            String key = collab.getFirstName() + " " + collab.getLastName();
            if (userUsageTable.containsKey(key)) {
                double oldVal = userUsageTable.get(key).doubleValue();
                userUsageTable.remove(key);
                userUsageTable.put(key, new Double(oldVal + collab.getTotalUsage().getUsed()));
            } else {
                userUsageTable.put(key, new Double(collab.getTotalUsage().getUsed()));
            }
        }
    }

    // now put the tallies in the dataset
    for (String key : userUsageTable.keySet()) {
        pds.setValue(key, userUsageTable.get(key).doubleValue());
    }

    return pds;
}

From source file:org.gridchem.client.gui.charts.UsageChart.java

/**
 * Returns a dataset representing the normalized usage of this project
 * on each resource in the CCG.  The values shown will be the current
 * usage on each resource, however, in terms of display, they will
 * appear as relative to each other.//w  w  w .j  av  a2  s . co m
 * 
 * @param project
 * @return
 */
private DefaultPieDataset createResourceDataset(
        Hashtable<ProjectBean, List<CollaboratorBean>> projectCollabTable) {

    DefaultPieDataset pds = new DefaultPieDataset();

    Hashtable<String, Double> resourceUsageTable = new Hashtable<String, Double>();

    for (ProjectBean project : projectCollabTable.keySet()) {
        List<CollaboratorBean> collabs = projectCollabTable.get(project);

        for (CollaboratorBean collab : collabs) {

            for (String systemName : collab.getUsageTable().keySet()) {
                UsageBean usage = collab.getUsageTable().get(systemName);

                if (resourceUsageTable.containsKey(systemName)) {
                    double previousUsage = resourceUsageTable.get(systemName).doubleValue();
                    resourceUsageTable.remove(systemName);
                    resourceUsageTable.put(systemName, new Double(previousUsage + usage.getUsed()));
                } else {
                    resourceUsageTable.put(systemName, new Double(usage.getUsed()));
                }
            }
        }
    }

    // now put the tallies in the dataset
    for (String systemName : resourceUsageTable.keySet()) {
        pds.setValue(systemName, resourceUsageTable.get(systemName).doubleValue());
    }

    return pds;

    //        System.out.println("found specified collaborator " + collab.getLastName() + 
    //                " with " + collab.getUsageTable().size() + " resource records.");
    //        
    //        for(String key: collab.getUsageTable().keySet()) {
    //            pds.setValue(key, collab.getUsageTable().get(key).getUsed());
    //        }
    //        
    //        return pds;
}

From source file:org.hdiv.filter.AbstractValidatorHelper.java

/**
 * Check if all required parameters are received in <code>request</code>.
 * //  w ww  .jav a  2 s  .c om
 * @param request HttpServletRequest to validate
 * @param state IState The restored state for this url
 * @param target Part of the url that represents the target action
 * @return True if all required parameters are received. False in otherwise.
 */
private boolean allRequiredParametersReceived(HttpServletRequest request, IState state, String target) {

    Hashtable receivedParameters = new Hashtable(state.getRequiredParams());

    String currentParameter = null;
    Enumeration requestParameters = request.getParameterNames();
    while (requestParameters.hasMoreElements()) {

        currentParameter = (String) requestParameters.nextElement();
        if (receivedParameters.containsKey(currentParameter)) {
            receivedParameters.remove(currentParameter);
        }

        // If multiple parameters are received, it is possible to pass this
        // verification without checking all the request parameters.
        if (receivedParameters.size() == 0) {
            return true;
        }
    }

    if (receivedParameters.size() > 0) {
        this.logger.log(HDIVErrorCodes.REQUIRED_PARAMETERS, target, receivedParameters.keySet().toString(),
                null);
        return false;
    }

    return true;
}

From source file:com.adito.agent.client.ProxyUtil.java

/**
 * Attempt to proxy settings from Firefox.
 * /*from  w  w w . ja va 2 s  .co m*/
 * @return firefox proxy settings
 * @throws IOException if firefox settings could not be obtained for some
 *         reason
 */
public static BrowserProxySettings lookupFirefoxProxySettings() throws IOException {

    try {

        Vector proxies = new Vector();
        Vector bypassAddr = new Vector();

        File home = new File(Utils.getHomeDirectory());
        File firefoxAppData;

        if (System.getProperty("os.name") != null && System.getProperty("os.name").startsWith("Windows")) { //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
            firefoxAppData = new File(home, "Application Data\\Mozilla\\Firefox\\profiles.ini"); //$NON-NLS-1$
        } else {
            firefoxAppData = new File(home, ".mozilla/firefox/profiles.ini"); //$NON-NLS-1$
        }

        // Look for Path elements in the profiles.ini
        BufferedReader reader = null;
        Hashtable profiles = new Hashtable();
        String line;
        try {
            reader = new BufferedReader(new InputStreamReader(new FileInputStream(firefoxAppData)));
            String currentProfileName = ""; //$NON-NLS-1$

            while ((line = reader.readLine()) != null) {
                line = line.trim();
                if (line.startsWith("[") && line.endsWith("]")) { //$NON-NLS-1$ //$NON-NLS-2$
                    currentProfileName = line.substring(1, line.length() - 1);
                    continue;
                }

                if (line.startsWith("Path=")) { //$NON-NLS-1$
                    profiles.put(currentProfileName, new File(firefoxAppData.getParent(), line.substring(5)));
                }
            }
        } finally {
            if (reader != null) {
                reader.close();
            }
        }

        // Iterate through all the profiles and load the proxy infos from
        // the prefs.js file

        File prefsJS;
        String profileName;
        for (Enumeration e = profiles.keys(); e.hasMoreElements();) {
            profileName = (String) e.nextElement();
            prefsJS = new File((File) profiles.get(profileName), "prefs.js"); //$NON-NLS-1$
            Properties props = new Properties();
            reader = null;
            try {
                if (!prefsJS.exists()) {
                    // needed to defend against un-initialised profiles.
                    // #ifdef DEBUG
                    log.info("The file " + prefsJS.getAbsolutePath() + " does not exist."); //$NON-NLS-1$
                    // #endif
                    // now remove it from the map.
                    profiles.remove(profileName);
                    continue;
                }
                reader = new BufferedReader(new InputStreamReader(new FileInputStream(prefsJS)));
                while ((line = reader.readLine()) != null) {
                    line = line.trim();
                    if (line.startsWith("user_pref(\"")) { //$NON-NLS-1$
                        int idx = line.indexOf("\"", 11); //$NON-NLS-1$
                        if (idx == -1)
                            continue;
                        String pref = line.substring(11, idx);

                        // Save this position
                        int pos = idx + 1;

                        // Look for another quote
                        idx = line.indexOf("\"", idx + 1); //$NON-NLS-1$

                        String value;
                        if (idx == -1) {
                            // No more quotes
                            idx = line.indexOf(" ", pos); //$NON-NLS-1$

                            if (idx == -1)
                                continue;

                            int idx2 = line.indexOf(")", pos); //$NON-NLS-1$

                            if (idx2 == -1)
                                continue;

                            value = line.substring(idx + 1, idx2);

                        } else {

                            // String value
                            int idx2 = line.indexOf("\"", idx + 1); //$NON-NLS-1$

                            if (idx2 == -1)
                                continue;

                            value = line.substring(idx + 1, idx2);
                        }

                        props.put(pref, value);

                    }
                }
            } finally {
                if (reader != null) {
                    reader.close();
                }
            }
            ProxyInfo p;
            /**
             * Extract some proxies from the properites, if the proxy is
             * enabled
             */
            if ("1".equals(props.get("network.proxy.type"))) { //$NON-NLS-1$ //$NON-NLS-2$
                boolean isProfileActive = checkProfileActive(prefsJS);
                if (props.containsKey("network.proxy.ftp")) { //$NON-NLS-1$
                    p = createProxyInfo(
                            "ftp=" + props.get("network.proxy.ftp") + ":" + props.get("network.proxy.ftp_port"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
                            "Firefox Profile [" + profileName + "]"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
                    p.setActiveProfile(isProfileActive);
                    proxies.addElement(p);
                }

                if (props.containsKey("network.proxy.http")) { //$NON-NLS-1$
                    p = createProxyInfo(
                            "http=" + props.get("network.proxy.http") + ":" //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$
                                    + props.get("network.proxy.http_port"), //$NON-NLS-1$
                            "Firefox Profile [" + profileName + "]"); //$NON-NLS-1$ //$NON-NLS-2$
                    p.setActiveProfile(isProfileActive);
                    proxies.addElement(p);
                }

                if (props.containsKey("network.proxy.ssl")) { //$NON-NLS-1$
                    p = createProxyInfo(
                            "ssl=" + props.get("network.proxy.ssl") + ":" + props.get("network.proxy.ssl_port"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
                            "Firefox Profile [" + profileName + "]"); //$NON-NLS-1$ //$NON-NLS-2$
                    p.setActiveProfile(isProfileActive);
                    proxies.addElement(p);
                }

                if (props.containsKey("network.proxy.socks")) { //$NON-NLS-1$
                    p = createProxyInfo("socks=" + props.get("network.proxy.socks") + ":" //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
                            + props.get("network.proxy.socks_port"), "Firefox Profile [" + profileName + "]"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
                    p.setActiveProfile(isProfileActive);
                    proxies.addElement(p);
                }

                if (props.containsKey("network.proxy.no_proxies_on")) { //$NON-NLS-1$

                    StringTokenizer tokens = new StringTokenizer(
                            props.getProperty("network.proxy.no_proxies_on"), ","); //$NON-NLS-1$ //$NON-NLS-2$

                    while (tokens.hasMoreTokens()) {
                        bypassAddr.addElement(((String) tokens.nextToken()).trim());
                    }

                }
            }
        }

        // need to ensure that the returned values are sorted correctly...
        BrowserProxySettings bps = new BrowserProxySettings();
        bps.setBrowser("Mozilla Firefox"); //$NON-NLS-1$
        bps.setProxiesActiveFirst(proxies);
        bps.setBypassAddr(new String[bypassAddr.size()]);
        bypassAddr.copyInto(bps.getBypassAddr());
        return bps;

    } catch (Throwable t) {
        throw new IOException("Failed to get proxy information from Firefox profiles: " + t.getMessage()); //$NON-NLS-1$
    }
}

From source file:ORG.oclc.os.SRW.SRWDatabase.java

/**
 * Look for indexes with context sets and construct a new index entry
 * without the context set.  If the new index is unique, keep it.
 *///  ww  w  .  ja v  a  2s  . c  o  m
static protected void makeUnqualifiedIndexes(Properties props) {
    Enumeration enumer = props.propertyNames();
    Hashtable<String, String> newIndexes = new Hashtable<String, String>();
    int start;
    String name, newName, value;
    while (enumer.hasMoreElements()) {
        name = (String) enumer.nextElement();
        if (name.startsWith("qualifier.")) {
            if ((start = name.indexOf('.', 11)) > 0) {
                newName = "hiddenQualifier." + name.substring(start + 1);
                log.debug("checking for " + newName);
                if (newIndexes.get(newName) != null) { // already got one
                    log.debug("dropping " + newName);
                    newIndexes.remove(newName); // so throw it away
                } else {
                    log.debug("keeping " + newName);
                    newIndexes.put(newName, (String) props.get(name));
                }
            }
        }
    }
    enumer = newIndexes.keys();
    while (enumer.hasMoreElements()) {
        name = (String) enumer.nextElement();
        value = newIndexes.get(name);
        if (value != null) {
            log.debug("adding: " + name + "=" + value);
            props.put(name, value);
        }
    }
}

From source file:edu.ku.brc.specify.utilapps.RegProcessor.java

/**
 * @param inFile//from   w ww  .j a  va2  s  .  com
 */
public void processSQL() {
    String sql = "SELECT r.RegisterID, r.RegNumber, ri.Name, ri.Value, ri.CountAmt, r.TimestampCreated, r.IP"
            + " FROM register r INNER JOIN registeritem ri ON r.RegisterID = ri.RegisterID WHERE r.TimestampCreated > '2009-04-12' ORDER BY r.RegNumber";
    System.err.println(sql);
    //Connection connection = DBConnection.getInstance().getConnection();
    try {
        stmt = DBConnection.getInstance().getConnection().createStatement();
        ResultSet rs = stmt.executeQuery(sql);
        int prevId = Integer.MAX_VALUE;
        RegProcEntry currEntry = null;
        while (rs.next()) {
            int id = rs.getInt(1);
            if (id != prevId) {
                if (currEntry != null) {
                    String regType = currEntry.get("reg_type");
                    if (regType != null) {
                        Hashtable<String, RegProcEntry> entryHash = typeHash.get(regType);
                        if (entryHash == null) {
                            entryHash = new Hashtable<String, RegProcEntry>();
                            typeHash.put(regType, entryHash);
                        }
                        currEntry.put("reg_number", currEntry.getId());
                        currEntry.setType(currEntry.get("reg_type"));

                        if (entryHash.get(currEntry.getId()) == null) {
                            entryHash.put(currEntry.getId(), currEntry);
                        } else {
                            System.err.println("Already there: " + currEntry.getId());
                        }
                    } else {
                        System.err.println("1Skipping: " + rs.getString(2));
                    }
                }

                String regNumber = rs.getString(2);
                String ip = rs.getString(7);
                currEntry = regNumHash.get(regNumber);
                if (currEntry == null) {
                    if (ip != null) {
                        currEntry = new RegProcEntry();
                        regNumHash.put(regNumber, currEntry);
                        currEntry.setId(regNumber);
                        currEntry.setTimestampCreated(rs.getTimestamp(6));
                        currEntry.put("ip", ip);

                    } else {
                        System.err.println("IP is null for " + regNumber);
                        ip = "N/A";
                    }

                } else {
                    System.err.println("Already " + regNumber);
                }

                prevId = id;

            } else if (prevId == Integer.MAX_VALUE) {
                prevId = id;
            }

            String value = rs.getString(4);
            if (value == null) {
                value = rs.getString(5);
            }

            String propName = rs.getString(3);
            if (currEntry != null && value != null && propName != null) {
                currEntry.put(propName, value);
            }
        }
        rs.close();

        Hashtable<String, RegProcEntry> checkHash = new Hashtable<String, RegProcEntry>();
        Hashtable<String, RegProcEntry> instHash = typeHash.get("Institution");

        for (RegProcEntry entry : new Vector<RegProcEntry>(regNumHash.values())) {
            entry.setName(null);
            String ip = entry.get("ip");
            if (ip == null || ip.startsWith("129.") || ip.startsWith("24.")) {
                System.out.println("Removing ip: " + ip);
                instHash.remove(entry.getId());
                regNumHash.remove(entry.getId());

            } else {
                RegProcEntry e = checkHash.get(ip);
                if (e == null) {
                    checkHash.put(ip, entry);
                } else {
                    instHash.remove(e.getId());
                    regNumHash.remove(e.getId());
                    checkHash.put(ip, entry);
                    System.out.println("Compressing ip: " + ip);
                }
            }
        }

        buildTree();

    } catch (SQLException ex) {
        ex.printStackTrace();

    } finally {
        if (stmt != null) {
            try {
                stmt.close();
            } catch (Exception ex) {
            }
        }
    }
}

From source file:org.hdiv.filter.ValidatorHelperRequest.java

/**
 * Check if all required parameters are received in <code>request</code>.
 * /*from w  w  w.j  a v a 2  s  . c o  m*/
 * @param request
 *            HttpServletRequest to validate
 * @param state
 *            IState The restored state for this url
 * @param target
 *            Part of the url that represents the target action
 * @return valid result if all required parameters are received. False in otherwise.
 */
private ValidatorHelperResult allRequiredParametersReceived(HttpServletRequest request, IState state,
        String target) {

    Hashtable receivedParameters = new Hashtable(state.getRequiredParams());

    String currentParameter = null;
    Enumeration requestParameters = request.getParameterNames();
    while (requestParameters.hasMoreElements()) {

        currentParameter = (String) requestParameters.nextElement();
        if (receivedParameters.containsKey(currentParameter)) {
            receivedParameters.remove(currentParameter);
        }

        // If multiple parameters are received, it is possible to pass this
        // verification without checking all the request parameters.
        if (receivedParameters.size() == 0) {
            return ValidatorHelperResult.VALID;
        }
    }

    if (receivedParameters.size() > 0) {
        this.logger.log(HDIVErrorCodes.REQUIRED_PARAMETERS, target, receivedParameters.keySet().toString(),
                null);
        return new ValidatorHelperResult(HDIVErrorCodes.REQUIRED_PARAMETERS);
    }

    return ValidatorHelperResult.VALID;
}

From source file:com.autentia.intra.bean.account.AccountEntryBean.java

private void calcTotals(List<AccountEntry> res) {
    costs = new BigDecimal(0);
    incomes = new BigDecimal(0);

    costsType = new BigDecimal(0);
    incomesType = new BigDecimal(0);

    Hashtable mapaCajaTotales = new Hashtable();

    for (AccountEntry elem : res) {
        Integer accountAct = elem.getAccount().getId();
        BigDecimal accountValueAct = null;
        if (!mapaCajaTotales.containsKey(accountAct)) {
            mapaCajaTotales.put(accountAct, new BigDecimal(0));
        }/*from  w ww. ja v a2 s  .c o m*/

        accountValueAct = (BigDecimal) mapaCajaTotales.get(accountAct);

        BigDecimal actual = elem.getAmount();
        BigDecimal resul = accountValueAct.add(actual);
        elem.setAmountAccountNow(resul);
        mapaCajaTotales.remove(accountAct);
        mapaCajaTotales.put(accountAct, resul);

        if (actual.signum() >= 0) {
            setIncomes(incomes.add(actual));
        } else {
            setCosts(costs.add(actual));
        }

        if (elem.getType().getGroup().getId() == ConfigurationUtil.getDefault().getCostId()) {
            setCostsType(costsType.add(actual));
        } else {
            setIncomesType(incomesType.add(actual));
        }
    }

    setTotal(incomes.add(costs));
    setTotalType(incomesType.add(costsType));
}

From source file:org.gridchem.client.gui.charts.UsageChart.java

/**
 * Returns a dataset representing the cumulative resource usage across all
 * projects./*from w  ww . j a  v  a2  s. c om*/
 * 
 * @param projectCollabTable
 * @return
 */
@SuppressWarnings("unused")
private DefaultPieDataset createResourceDataset(
        Hashtable<ProjectBean, List<CollaboratorBean>> projectCollabTable, CollaboratorBean collab) {

    DefaultPieDataset pds = new DefaultPieDataset();

    Hashtable<String, Double> resourceUsageTable = new Hashtable<String, Double>();

    // for each project find the collaborator's usage on each resource
    for (ProjectBean project : projectCollabTable.keySet()) {

        List<CollaboratorBean> collabs = projectCollabTable.get(project);

        if (projectCollabTable.get(project).contains(collab)) {

            CollaboratorBean projectCollab = projectCollabTable.get(project)
                    .get(projectCollabTable.get(project).indexOf(collab));

            for (String systemName : projectCollab.getUsageTable().keySet()) {

                if (resourceUsageTable.containsKey(systemName)) {
                    double previousUsage = resourceUsageTable.get(systemName).doubleValue();
                    resourceUsageTable.remove(systemName);
                    resourceUsageTable.put(systemName, new Double(
                            previousUsage + projectCollab.getUsageTable().get(systemName).getUsed()));
                } else {
                    resourceUsageTable.put(systemName,
                            new Double(projectCollab.getUsageTable().get(systemName).getUsed()));
                }
            }
        }
    }

    // now put the tallies in the dataset
    for (String systemName : resourceUsageTable.keySet()) {
        pds.setValue(systemName, resourceUsageTable.get(systemName).doubleValue());
    }

    return pds;
}