Example usage for org.apache.commons.lang StringUtils stripToNull

Introduction

In this page you can find the example usage for org.apache.commons.lang StringUtils stripToNull.

Prototype

public static String stripToNull(String str) 

Source Link

Document

Strips whitespace from the start and end of a String returning null if the String is empty ("") after the strip.

Usage

From source file:org.o3project.odenos.remoteobject.RemoteObject.java

/**
 * Event handler to dispatch Request which is posted from another
 * RemoteObject./*from www . j  a v a 2 s  .c o  m*/
 *
 * @param request
 *            the posted Request
 * @return response to the RemoteObject
 */
public Response dispatchRequest(Request request) {
    log.debug("dispatchRequest: " + request.method + ", " + request.path);
    if (StringUtils.stripToNull(request.path) == null) {
        return new Response(Response.BAD_REQUEST, null);
    }

    RequestParser<IActionCallback>.ParsedRequest parsed = parser.parse(request);
    Response response = null;

    if (parsed == null) {
        response = onRequest(request);
    } else {
        IActionCallback callback = parsed.getResult();
        if (callback == null) {
            return new Response(Response.BAD_REQUEST, null);
        }
        try {
            response = callback.process(parsed);
        } catch (Exception e) {
            log.error("Exception Request: " + request.method + ", " + request.path);
            response = new Response(Response.BAD_REQUEST, null);
        }
    }
    if (response == null) {
        response = new Response(Response.BAD_REQUEST, null);
    }
    return response;
}

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From source file:org.objectstyle.cayenne.dataview.DataView.java

private static Map childrenToMap(Element element) {
    List children = element.getChildren();
    if (children.isEmpty())
        return Collections.EMPTY_MAP;
    else {//from w ww  .  j  a v a2s  .c o m
        Map map = new HashMap(children.size());
        for (Iterator i = children.iterator(); i.hasNext();) {
            Element child = (Element) i.next();
            map.put(child.getName(), StringUtils.stripToNull(child.getText()));
        }
        return map;
    }
}

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From source file:org.sakaiproject.nakamura.api.search.solr.DomainObjectSearchQueryHandler.java

/**
 * Utility method to eliminate blank and pure-wildcard parameter values.
 *///  w w  w.j  av  a2  s  .c o m
public String getSearchParam(Map<String, String> parametersMap, String key) {
    String param = StringUtils.stripToNull(parametersMap.get(key));
    // solr hates long sequences of asterisks, so compress repeated *'s to single *
    if (param != null) {
        param = TWO_OR_MORE_STARS.matcher(param).replaceAll("*");
    }
    if ("*".equals(param) || "*:*".equals(param)) {
        return null;
    } else {
        return param;
    }
}

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From source file:org.sakaiproject.nakamura.api.search.solr.DomainObjectSearchQueryHandler.java

/**
 * Translate servlet request parameters into a properly escaped map.
 * TODO Refactor out of SolrSearchServlet for re-use.
 *//* w w  w  . j a v a  2 s.c om*/
public Map<String, String> loadParametersMap(SlingHttpServletRequest request) {
    Map<String, String> propertiesMap = new HashMap<String, String>();

    // 0. load authorizable (user) information
    String userId = request.getRemoteUser();
    propertiesMap.put(REQUEST_PARAMETERS_PROPS._userId.toString(), ClientUtils.escapeQueryChars(userId));

    // Remember the requested path, since it sometimes determines the type of query or results handling.
    propertiesMap.put(REQUEST_PARAMETERS_PROPS._requestPath.toString(), request.getRequestURI());

    // If a recursion level was specified for hierarchical results, pass it along.
    Integer traversalDepth = SearchUtil.getTraversalDepthSelector(request);
    if (traversalDepth != null) {
        propertiesMap.put(REQUEST_PARAMETERS_PROPS._traversalDepth.toString(), traversalDepth.toString());
    }

    // 2. load in properties from the request
    RequestParameterMap params = request.getRequestParameterMap();
    for (Map.Entry<String, RequestParameter[]> entry : params.entrySet()) {
        RequestParameter[] vals = entry.getValue();
        String requestValue = vals[0].getString();
        if (StringUtils.stripToNull(requestValue) != null) {
            String key = entry.getKey();
            String val = SearchUtil.escapeString(requestValue, Query.SOLR);
            propertiesMap.put(key, val);
        }
    }
    return propertiesMap;
}

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From source file:org.sakaiproject.tool.gradebook.ui.ConfigurationBean.java

/**
 * @param name/*from   w  w  w .ja va 2  s  . c  o  m*/
 * @return the bean configured to match the given plug-in key, or null if none were found
 */
public Object getPlugin(String key) {
    Object target = null;
    if (log.isDebugEnabled())
        log.debug("key=" + key + ", serverConfigurationService=" + serverConfigurationService + ", default="
                + pluginDefaults.get(key));
    if (serverConfigurationService != null) {
        // As of Sakai 2.4, the framework's configuration service
        // returns the empty string instead of null if a property isn't found.
        target = StringUtils.stripToNull(serverConfigurationService.getString(key));
    }
    if (target == null) {
        target = pluginDefaults.get(key);
    }
    if (target != null) {
        if (target instanceof String) {
            // Assume that we got a bean name instead of the
            // bean itself.
            target = applicationContext.getBean((String) target);
        }
    }
    if (log.isDebugEnabled())
        log.debug("for " + key + " returning " + target);
    return target;
}

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From source file:rapture.pipeline2.gcp.PubsubPipeline2Handler.java

@Override
public void subscribe(String queueIdentifier, final QueueSubscriber qsubscriber) {
    if (StringUtils.stripToNull(queueIdentifier) == null) {
        throw new RuntimeException("Null topic");
    }/* ww w  .  jav  a 2 s  .co  m*/

    SubscriptionName subscriptionName = SubscriptionName.create(projectId, qsubscriber.getSubscriberId());
    Topic topic = getTopic(queueIdentifier);
    Subscription subscription = subscriptions.get(subscriptionName);
    if (subscription == null) {
        try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
            try {
                subscription = subscriptionAdminClient.getSubscription(subscriptionName);
            } catch (Exception e) {
                if (subscription == null) {
                    subscription = subscriptionAdminClient.createSubscription(subscriptionName,
                            topic.getNameAsTopicName(), PushConfig.getDefaultInstance(), 0);
                    subscriptions.put(subscriptionName, subscription);
                }
            }
        } catch (Exception ioe) {
            System.err.println(ExceptionToString.format(ioe));
        }
    }
    try {
        MessageReceiver receiver = new MessageReceiver() {
            @Override
            public void receiveMessage(PubsubMessage message, AckReplyConsumer consumer) {
                System.out.println("Received " + message.getData().toStringUtf8());
                if (qsubscriber.handleEvent(message.getData().toByteArray()))
                    consumer.ack();
            }
        };

        Subscriber.Builder builder = Subscriber.defaultBuilder(subscriptionName, receiver);
        // The default executor provider creates an insane number of threads.
        if (executor != null)
            builder.setExecutorProvider(executor);
        Subscriber subscriber = builder.build();

        subscriber.addListener(new Subscriber.Listener() {
            @Override
            public void failed(Subscriber.State from, Throwable failure) {
                // Subscriber encountered a fatal error and is shutting down.
                System.err.println(failure);
            }
        }, MoreExecutors.directExecutor());
        subscriber.startAsync().awaitRunning();
        subscribers.put(qsubscriber, subscriber);
    } catch (Exception e) {
        String error = String.format("Cannot subscribe to topic %s:\n%s", topic.getName(),
                ExceptionToString.format(e));
        logger.error(error);
        throw RaptureExceptionFactory.create(HttpURLConnection.HTTP_INTERNAL_ERROR, error, e);
    }
    logger.debug("Subscribed to " + queueIdentifier + " as " + qsubscriber.getSubscriberId());

}

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From source file:rapture.repo.google.GoogleDatastoreKeyStore.java

@Override
public void setConfig(Map<String, String> config) {
    kind = StringUtils.stripToNull(config.get("prefix"));
    if (kind == null)
        throw new RuntimeException("Prefix not set in config " + JacksonUtil.formattedJsonFromObject(config));

    if (datastore == null) {
        if (testDatastoreOptions != null) {
            datastore = testDatastoreOptions.getService();
        } else {//w  w  w.j  a  v a 2 s . c o  m
            String projectId = StringUtils.trimToNull(config.get("projectid"));
            if (projectId == null) {
                projectId = MultiValueConfigLoader.getConfig("GOOGLE-projectid");
                if (projectId == null) {
                    throw new RuntimeException(
                            "Project ID not set in RaptureGOOGLE.cfg or in config " + config);
                }
            }
            datastore = DatastoreOptions.newBuilder().setProjectId(projectId).build().getService();
        }
    }
    this.config = config;
}

---

From source file:rapture.repo.google.GoogleDatastoreKeyStore.java

@Override
public List<RaptureFolderInfo> getSubKeys(String prefix) {
    // Must be a better way of doing this, but PropertyFilter.hasAncestor did not work.
    if ((StringUtils.stripToNull(prefix) != null) && !prefix.endsWith("/"))
        prefix = prefix + "/";

    List<RaptureFolderInfo> list = new ArrayList<>();
    Map<String, RaptureFolderInfo> map = new HashMap<>();

    KeyQuery.Builder query = Query.newKeyQueryBuilder().setKind(kind);
    // if (StringUtils.stripToNull(prefix) != null) {
    // query.setFilter(PropertyFilter.hasAncestor(datastore.newKeyFactory().setKind(kind).newKey(prefix)));
    // }//from w  w  w.  ja va2s . co m
    QueryResults<Key> result = datastore.run(query.build());
    while (result.hasNext()) {
        Key peele = result.next();
        String jordan = decode(peele.getName());
        int l = prefix.length();
        if (jordan.startsWith(prefix)) {
            while (jordan.charAt(l) == '/') {
                l++;
            }
            String keegan = jordan.substring(l);
            int idx = keegan.indexOf('/');
            if (idx > 0) {
                list.add(new RaptureFolderInfo(keegan.substring(0, idx), true));
            } else {
                list.add(new RaptureFolderInfo(keegan, false));
            }
        }
    }
    list.addAll(map.values());
    return list;
}

---

From source file:rapture.repo.google.IdGenGoogleDatastore.java

@Override
public void setConfig(Map<String, String> config) {
    kind = StringUtils.stripToNull(config.get("prefix"));
    if (kind == null)
        throw new RuntimeException("Prefix not set in config " + JacksonUtil.formattedJsonFromObject(config));
    String projectId = StringUtils.trimToNull(config.get("projectid"));
    if (projectId == null) {
        projectId = MultiValueConfigLoader.getConfig("GOOGLE-projectid");
        if (projectId == null) {
            throw new RuntimeException("Project ID not set in RaptureGOOGLE.cfg or in config " + config);
        }/*from  www. j a  v a 2s  .  c o m*/
    }
    datastore = DatastoreOptions.newBuilder().setProjectId(projectId).build().getService();
    this.config = config;
    makeValid();
}

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From source file:ru.org.linux.site.Tags.java

public static ImmutableList<String> parseTags(String tags) throws UserErrorException {
    Set<String> tagSet = new HashSet<String>();

    //  ??   ?//from  w  w  w . j a  v  a  2s.c  o  m
    tags = tags.replaceAll("\\|", ",");
    String[] tagsArr = tags.split(",");

    if (tagsArr.length == 0) {
        return ImmutableList.of();
    }

    for (String aTagsArr : tagsArr) {
        String tag = StringUtils.stripToNull(aTagsArr.toLowerCase());
        //   - ?
        if (tag == null) {
            continue;
        }

        //  :  //,  ??, ?, ?  <>
        checkTag(tag);

        tagSet.add(tag);
    }

    return ImmutableList.copyOf(tagSet);
}

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