Example usage for java.lang String intern

List of usage examples for java.lang String intern

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Introduction

In this page you can find the example usage for java.lang String intern.

Prototype

public native String intern();

Source Link

Document

Returns a canonical representation for the string object.

Usage

From source file:com.bytelightning.opensource.pokerface.ScriptHelperImpl.java

/**
 * @see AddMimeEntry/*from w w  w .  jav a2  s  . co  m*/
 */
private static void AddMimeEntryImpl(String type, String extensions) {
    LinkedHashSet<String> extSet = new LinkedHashSet<String>();
    MimeEntry entry = MimeHashTable.find(type);
    if (entry == null)
        entry = new sun.net.www.MimeEntry(type.intern());
    // Ensure the type is an interned string
    entry.setType(type.intern());

    String[] existing = entry.getExtensions();
    if (existing != null)
        for (String ext : existing)
            extSet.add(ext);
    String[] additional = extensions.split(",");
    for (int i = 0; i < additional.length; i++) {
        additional[i] = additional[i].trim().toLowerCase();
        if (additional[i].length() == 0)
            throw new RuntimeException("Invalid mime extensions for: " + type);
        if (additional[i].charAt(0) != '.')
            throw new RuntimeException("mime extensions must start with a '.' (" + type + ")");
        extSet.add(additional[i]);
    }
    StringBuffer sb = new StringBuffer();
    for (String ext : extSet) {
        if (sb.length() > 0)
            sb.append(',');
        sb.append(ext);
    }
    entry.setExtensions(sb.toString());
    // This little hack ensures that the MimeEntry itself has interned strings in it's list.  Yes it's a trade off between bad practice and speed.
    String[] processed = entry.getExtensions();
    for (int i = 0; i < processed.length; i++)
        processed[i] = processed[i].intern();
}

From source file:org.dkpro.core.udpipe.internal.UDPipe2DKPro.java

public static void convertPosLemmaMorph(Sentence sentence, Collection<Token> tokens, JCas aJCas,
        MappingProvider mappingProvider, boolean internTags) {
    CAS cas = aJCas.getCas();/*from  w w  w.  ja v  a 2  s  .  c  o  m*/

    int i = 1; // the first tag is <root>
    for (Token t : tokens) {
        Word w = sentence.getWords().get(i);
        String xtag = w.getXpostag();
        String utag = w.getUpostag();

        // For Norwegian xtag is not provided. It is a blank string.
        // So the value of Utag is used as an replacement. 
        if (xtag.length() == 0 && utag.length() > 0)
            xtag = utag;

        // Convert the tag produced by the tagger to an UIMA type, create an annotation
        // of this type, and add it to the document.
        Type posTag = mappingProvider.getTagType(xtag);
        POS posAnno = (POS) cas.createAnnotation(posTag, t.getBegin(), t.getEnd());
        // To save memory, we typically intern() tag strings
        posAnno.setPosValue(internTags ? xtag.intern() : xtag);
        if (utag == null) {
            posAnno.setCoarseValue(
                    posAnno.getClass().equals(POS.class) ? null : posAnno.getType().getShortName().intern());
        } else {
            posAnno.setCoarseValue(internTags ? utag.intern() : utag);
        }
        posAnno.addToIndexes();

        // Connect the POS annotation to the respective token annotation
        t.setPos(posAnno);

        if (StringUtils.isNotBlank(w.getLemma())) {
            Lemma lemma = new Lemma(aJCas, t.getBegin(), t.getEnd());
            lemma.setValue(w.getLemma());
            lemma.addToIndexes();
            t.setLemma(lemma);
        }

        if (StringUtils.isNotBlank(w.getForm())) {
            MorphologicalFeatures morph = new MorphologicalFeatures(aJCas, t.getBegin(), t.getEnd());
            morph.setValue(w.getFeats());
            morph.addToIndexes();
            t.setMorph(morph);
        }

        i++;
    }
}

From source file:com.salas.bb.utils.StringUtils.java

/**
 * Safely intern's a string.// w  w w  .  j a va 2s .c  om
 *
 * @param s string.
 *
 * @return intern'ed version.
 */
public static String intern(String s) {
    return s == null ? null : s.intern();
}

From source file:org.wso2.carbon.utils.deployment.GhostDeployerUtils.java

/**
 * Removes the given ghost service and deploys the actual service. Service file name is
 * extracted from the Ghost Service and then the actual service is deployed. Finally the
 * actual service is returned./*from ww  w  .j  a v  a2 s  . c  o  m*/
 *
 * @param axisConfig - AxisConfiguration instance
 * @param ghostService - Existing Ghost service
 * @return - newly deployed real service
 * @throws org.apache.axis2.AxisFault - On errors while removing existing service
 */
public static AxisService deployActualService(AxisConfiguration axisConfig, AxisService ghostService)
        throws AxisFault {
    AxisService newService = null;
    /**
     * There can be multiple requests for the same ghost service depending on the level
     * of concurrency. Therefore we have to synchronize on the ghost service instance.
     */
    String serviceName = ghostService.getName();
    synchronized (serviceName.intern()) {
        // there can be situations in which the actual service is already deployed and
        // available in the axisConfig
        AxisService axisConfigService = axisConfig.getService(serviceName);
        if (axisConfigService == null) {
            return null;
        }

        Parameter actualGhostParam = axisConfigService.getParameter(CarbonConstants.GHOST_SERVICE_PARAM);
        if (actualGhostParam == null || "false".equals(actualGhostParam.getValue())) {
            // if the service from axisConfig is not a ghost, return it
            newService = axisConfigService;
        } else {
            GhostArtifactRepository ghostArtifactRepository = GhostDeployerUtils
                    .getGhostArtifactRepository(axisConfig);

            //TODO use a canonical path?
            DeploymentFileDataWrapper dfd = ghostArtifactRepository
                    .getDeploymentFileData(axisConfigService.getFileName().getPath());
            if (dfd != null) {
                // remove the existing service
                log.info("Removing Ghost Service and loading actual service : " + serviceName);
                AxisServiceGroup existingSG = (AxisServiceGroup) axisConfigService.getParent();
                existingSG.addParameter(CarbonConstants.KEEP_SERVICE_HISTORY_PARAM, PARAMETER_VALUE_TRUE);

                // Add all services in the group to the ghost list
                Map<String, AxisService> transitGhostList = getTransitGhostServicesMap(axisConfig);
                for (Iterator<AxisService> servicesItr = existingSG.getServices(); servicesItr.hasNext();) {
                    AxisService service = servicesItr.next();
                    transitGhostList.put(service.getName(), service);
                }

                String serviceGroupName = existingSG.getServiceGroupName();
                if (axisConfig.getServiceGroup(serviceGroupName) != null) {
                    axisConfig.removeServiceGroup(serviceGroupName);
                }

                if (axisConfig.getService(serviceName) != null) {
                    axisConfig.removeService(serviceName);
                }
                // deploy the new service
                dfd.getDeploymentFileData().deploy();
                newService = axisConfig.getService(serviceName);

                // Remove all services in the new group from the ghost list
                AxisServiceGroup newSG = (AxisServiceGroup) newService.getParent();
                for (Iterator<AxisService> servicesItr = newSG.getServices(); servicesItr.hasNext();) {
                    AxisService service = servicesItr.next();
                    transitGhostList.remove(service.getName());
                }
            }
        }
        updateLastUsedTime(newService);
    }
    return newService;
}

From source file:org.apache.hadoop.mapreduce.v2.jobhistory.JobHistoryUtils.java

/**
 * Gets the timestamp component based on millisecond time.
 * @param millisecondTime/*from w ww  .  j  av  a 2s  . co  m*/
 * @return the timestamp component based on millisecond time
 */
public static String timestampDirectoryComponent(long millisecondTime) {
    Calendar timestamp = Calendar.getInstance();
    timestamp.setTimeInMillis(millisecondTime);
    String dateString = null;
    dateString = String.format(TIMESTAMP_DIR_FORMAT, timestamp.get(Calendar.YEAR),
            // months are 0-based in Calendar, but people will expect January to
            // be month #1.
            timestamp.get(Calendar.MONTH) + 1, timestamp.get(Calendar.DAY_OF_MONTH));
    dateString = dateString.intern();
    return dateString;
}

From source file:com.openAtlas.bundleInfo.maker.PackageLite.java

private static String buildClassName(String str, CharSequence charSequence) {
    if (charSequence == null || charSequence.length() <= 0) {
        System.out.println("Empty class name in package " + str);
        return null;
    }/*  w w  w .j  av a  2s. co m*/
    String obj = charSequence.toString();
    char charAt = obj.charAt(0);
    if (charAt == '.') {
        return (str + obj).intern();
    }
    if (obj.indexOf(46) < 0) {
        StringBuilder stringBuilder = new StringBuilder(str);
        stringBuilder.append('.');
        stringBuilder.append(obj);
        return stringBuilder.toString().intern();
    } else if (charAt >= 'a' && charAt <= 'z') {
        return obj.intern();
    } else {
        System.out.println("Bad class name " + obj + " in package " + str);
        return null;
    }
}

From source file:org.diorite.impl.permissions.PermissionsGroupImpl.java

public PermissionsGroupImpl(final String name) {
    this.name = name.intern();
}

From source file:org.diorite.impl.permissions.pattern.PermissionPatternImpl.java

public PermissionPatternImpl(String permission) {
    permission = permission.intern();
    this.permission = permission;
}

From source file:org.web4thejob.studio.dom.NodeFactory.java

@Override
public Element startMakingElement(String name, String namespace) {
    return new Element(name, namespace.intern());
}

From source file:com.qwazr.utils.json.client.JsonMultiClientAbstract.java

/**
 * @param url//  www .  ja  va 2s . com
 *            the URL of the client
 * @return the client which handle this URL
 */
public T getClientByUrl(String url) {
    return clientsMap.get(url.intern());
}