Example usage for org.apache.commons.lang3 StringUtils trimToNull

List of usage examples for org.apache.commons.lang3 StringUtils trimToNull

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Introduction

In this page you can find the example usage for org.apache.commons.lang3 StringUtils trimToNull.

Prototype

public static String trimToNull(final String str)

Source Link

Document

Removes control characters (char <= 32) from both ends of this String returning null if the String is empty ("") after the trim or if it is null .

Usage

From source file:org.cyclop.common.StringHelper.java

public static Optional<InetAddress> toInetAddress(String ip) {
    ip = StringUtils.trimToNull(ip);
    if (ip == null) {
        return Optional.empty();
    }/*from  w w w .  ja  v  a 2s.  com*/
    InetAddress addr = null;
    try {
        addr = InetAddress.getByName(ip);
    } catch (UnknownHostException | SecurityException e) {
        LOG.warn("Cannot convert: " + ip + " to valid IP: " + e.getMessage());
        LOG.debug(e.getMessage(), e);
    }
    return Optional.ofNullable(addr);
}

From source file:org.cyclop.service.common.FileStorage.java

public @Valid <T> Optional<T> read(@NotNull UserIdentifier userId, @NotNull Class<T> clazz)
        throws ServiceException {
    Path filePath = getPath(userId, clazz);
    LOG.debug("Reading file {} for {}", filePath, userId);
    try (FileChannel channel = openForRead(filePath)) {
        if (channel == null) {
            LOG.debug("File not found: {}", filePath);
            return Optional.empty();
        }//from   w w  w  .  j  a va  2s . c o m
        int fileSize = (int) channel.size();
        if (fileSize > config.fileStore.maxFileSize) {
            LOG.info("File: {} too large: {} - skipping it", filePath, fileSize);
            return Optional.empty();
        }
        ByteBuffer buf = ByteBuffer.allocate(fileSize);
        channel.read(buf);
        buf.flip();
        String decoded = decoder.get().decode(buf).toString();
        decoded = StringUtils.trimToNull(decoded);
        if (decoded == null) {
            return Optional.empty();
        }
        T content = jsonMarshaller.unmarshal(clazz, decoded);

        LOG.debug("File read");
        return Optional.ofNullable(content);
    } catch (IOException | SecurityException | IllegalStateException e) {
        throw new ServiceException("Error reading filr from:" + filePath + " - " + e.getMessage(), e);
    }

}

From source file:org.dspace.app.rest.utils.DiscoverQueryBuilder.java

private void fillFacetIntoQueryArgs(Context context, DSpaceObject scope, String prefix, DiscoverQuery queryArgs,
        DiscoverySearchFilterFacet facet, final int pageSize) {
    if (facet.getType().equals(DiscoveryConfigurationParameters.TYPE_DATE)) {
        try {//from  w ww.  j  a  va  2 s  .  com
            FacetYearRange facetYearRange = searchService.getFacetYearRange(context, scope, facet,
                    queryArgs.getFilterQueries());

            queryArgs.addYearRangeFacet(facet, facetYearRange);

        } catch (Exception e) {
            log.error(LogManager.getHeader(context, "Error in Discovery while setting up date facet range",
                    "date facet: " + facet), e);
        }

    } else {

        //Add one to our facet limit to make sure that if we have more then the shown facets that we show our
        // "show more" url
        int facetLimit = pageSize + 1;
        //This should take care of the sorting for us
        queryArgs.addFacetField(new DiscoverFacetField(facet.getIndexFieldName(), facet.getType(), facetLimit,
                facet.getSortOrderSidebar(), StringUtils.trimToNull(prefix)));
    }
}

From source file:org.dspace.rest.SearchResource.java

@GET
@Path("/item")
@ApiOperation(value = "Retrieve items based on given pairs of metadatafields and values.", response = Item.class)
@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public Response searchItems(

        @ApiParam(value = "The metadatafields to use in the search, colon (;) separated, in the form of \"metadatafield:value\"", required = true) @QueryParam("fields") String fields,

        @ApiParam(value = "Show additional data for the item.", required = false, allowMultiple = true, allowableValues = "all,metadata,parentCollection,parentCollectionList,parentCommunityList,bitstreams") @QueryParam("expand") String expand,

        @ApiParam(value = "The maximum amount of items shown.", required = false) @QueryParam("limit") int limit,
        @ApiParam(value = "The amount of items to skip.", required = false) @QueryParam("offset") int offset,
        @ApiParam(value = "The field by which the result should be sorted.", required = false) @QueryParam("sort-by") String sortBy,
        @ApiParam(value = "A field to limit the search to certain collections/communities.", required = false) @QueryParam("scope") String scope,
        @ApiParam(value = "The ordering of the results.", required = false, allowableValues = "asc,desc") @QueryParam("order") String order,

        @QueryParam("userIP") String user_ip, @QueryParam("userAgent") String user_agent,
        @QueryParam("xforwardedfor") String xforwardedfor, @Context HttpHeaders headers,
        @Context HttpServletRequest request) throws WebApplicationException, Exception {

    // get the context user.
    context = createContext();//w  w w . jav  a 2 s  .  co  m

    if (log.isDebugEnabled()) {
        log.debug("user:  " + context.getCurrentUser());
    }

    DiscoverQuery dq = new DiscoverQuery();

    dq.setDSpaceObjectFilter(org.dspace.core.Constants.ITEM);

    String cleanFields = StringUtils.trimToNull(fields);
    String cleanExpand = StringUtils.trimToNull(expand);

    if (null == cleanExpand) {
        cleanExpand = "metadata";
    }

    if (null != cleanFields) {
        String[] splitFields = StringUtils.split(cleanFields, ';');
        String query = StringUtils.join(splitFields, " AND ");
        dq.setQuery(query);
    }

    dq.setMaxResults(getMaxResults(limit));

    dq.setStart(offset);

    Response response;
    try {
        if (StringUtils.isNotBlank(scope)) {
            scopeObject = getScope(scope);
        }

        SearchService searchService = SearchUtils.getSearchService();

        if (sortBy != null) {
            String field = getSortFieldName(sortBy, scopeObject);
            dq.setSortField(field, getSortOrder(order));
        }

        //DSpaceObject dso = Collection.find(context);
        DiscoverResult result = scopeObject == null ? searchService.search(context, dq)
                : searchService.search(context, scopeObject, dq);

        List<DSpaceObject> dspaceObjects = result.getDspaceObjects();

        List<org.dspace.rest.common.Item> toReturn = new ArrayList<org.dspace.rest.common.Item>();
        for (DSpaceObject obj : dspaceObjects) {
            Item it = (Item) obj;
            toReturn.add(new org.dspace.rest.common.Item(it, cleanExpand, context));

            writeStats(it, UsageEvent.Action.VIEW, user_ip, user_agent, xforwardedfor, headers, request,
                    context);
        }

        context.complete();

        GenericEntity<List<org.dspace.rest.common.Item>> entity = new GenericEntity<List<org.dspace.rest.common.Item>>(
                toReturn) {
        };

        response = Response.ok(entity).build();

    } catch (Exception ex) {
        log.error(ex.getMessage());
        response = Response.status(Response.Status.BAD_REQUEST).entity(ex.getMessage()).build();
    }

    return response;
}

From source file:org.dspace.utils.servlet.DSpaceWebappServletFilter.java

public void init(FilterConfig filterConfig) throws ServletException {
    // ensure the kernel is running, if not then we have to die here
    try {/*from ww w .j  a  v a 2s  . c o m*/
        getKernel();
        String param = filterConfig.getInitParameter("paths-to-be-ignored");
        pathsToBeIgnored = new ArrayList<String>();
        if (null != StringUtils.trimToNull(param)) {
            String[] items = StringUtils.split(param, ';');
            for (String item : items) {
                pathsToBeIgnored.add(item);
            }
        }

    } catch (IllegalStateException e) {
        // no kernel so we die
        String message = "Could not start up DSpaceWebappServletFilter because the DSpace Kernel is unavailable or not running: "
                + e.getMessage();
        System.err.println(message);
        throw new ServletException(message, e);
    }
}

From source file:org.eclipse.hudson.model.project.property.StringProjectProperty.java

@Override
protected String prepareValue(String candidateValue) {
    return StringUtils.trimToNull(candidateValue);
}

From source file:org.esigate.impl.UriMapping.java

/**
 * Creates a UriMapping instance based on the mapping definition given as parameter.
 * <p>//  ww w .  ja  va 2  s . co m
 * Mapping is split in 3 parts :
 * <ul>
 * <li>Host, including the scheme and port : http://www.example:8080</li>
 * <li>path, left part before the wildcard caracter *</li>
 * <li>extension, right part after the wildcard caracter *</li>
 * </ul>
 * 
 * @param mapping
 *            the mapping expression as string
 * @return the uri mapping object
 * @throws ConfigurationException
 */
public static UriMapping create(String mapping) {
    Matcher matcher = MAPPING_PATTERN.matcher(mapping);
    if (!matcher.matches()) {
        throw new ConfigurationException("Unrecognized URI pattern: " + mapping);
    }
    String host = StringUtils.trimToNull(matcher.group(1));
    String path = StringUtils.trimToNull(matcher.group(5));

    if (path != null && !path.startsWith("/")) {
        throw new ConfigurationException(
                "Unrecognized URI pattern: " + mapping + " Mapping path should start with / was: " + path);
    }
    String extension = StringUtils.trimToNull(matcher.group(7));
    if (extension != null && !extension.startsWith(".")) {
        throw new ConfigurationException("Unrecognized URI pattern: " + mapping
                + " Mapping extension should start with . was: " + extension);
    }
    return new UriMapping(host, path, extension);
}

From source file:org.flowable.engine.impl.bpmn.deployer.BpmnDeployer.java

protected void createLocalizationValues(String processDefinitionId, Process process) {
    if (process == null)
        return;//  w  w  w . jav a 2s . co m

    CommandContext commandContext = Context.getCommandContext();
    DynamicBpmnService dynamicBpmnService = commandContext.getProcessEngineConfiguration()
            .getDynamicBpmnService();
    ObjectNode infoNode = dynamicBpmnService.getProcessDefinitionInfo(processDefinitionId);

    boolean localizationValuesChanged = false;
    List<ExtensionElement> localizationElements = process.getExtensionElements().get("localization");
    if (localizationElements != null) {
        for (ExtensionElement localizationElement : localizationElements) {
            if (BpmnXMLConstants.FLOWABLE_EXTENSIONS_PREFIX.equals(localizationElement.getNamespacePrefix())
                    || BpmnXMLConstants.ACTIVITI_EXTENSIONS_PREFIX
                            .equals(localizationElement.getNamespacePrefix())) {

                String locale = localizationElement.getAttributeValue(null, "locale");
                String name = localizationElement.getAttributeValue(null, "name");
                String documentation = null;
                List<ExtensionElement> documentationElements = localizationElement.getChildElements()
                        .get("documentation");
                if (documentationElements != null) {
                    for (ExtensionElement documentationElement : documentationElements) {
                        documentation = StringUtils.trimToNull(documentationElement.getElementText());
                        break;
                    }
                }

                String processId = process.getId();
                if (isEqualToCurrentLocalizationValue(locale, processId, "name", name, infoNode) == false) {
                    dynamicBpmnService.changeLocalizationName(locale, processId, name, infoNode);
                    localizationValuesChanged = true;
                }

                if (documentation != null && isEqualToCurrentLocalizationValue(locale, processId, "description",
                        documentation, infoNode) == false) {
                    dynamicBpmnService.changeLocalizationDescription(locale, processId, documentation,
                            infoNode);
                    localizationValuesChanged = true;
                }

                break;
            }
        }
    }

    boolean isFlowElementLocalizationChanged = localizeFlowElements(process.getFlowElements(), infoNode);
    boolean isDataObjectLocalizationChanged = localizeDataObjectElements(process.getDataObjects(), infoNode);
    if (isFlowElementLocalizationChanged || isDataObjectLocalizationChanged) {
        localizationValuesChanged = true;
    }

    if (localizationValuesChanged) {
        dynamicBpmnService.saveProcessDefinitionInfo(processDefinitionId, infoNode);
    }
}

From source file:org.flowable.engine.impl.bpmn.deployer.BpmnDeployer.java

protected boolean localizeFlowElements(Collection<FlowElement> flowElements, ObjectNode infoNode) {
    boolean localizationValuesChanged = false;

    if (flowElements == null)
        return localizationValuesChanged;

    CommandContext commandContext = Context.getCommandContext();
    DynamicBpmnService dynamicBpmnService = commandContext.getProcessEngineConfiguration()
            .getDynamicBpmnService();/*from ww  w .  j  a  v a  2 s  .co m*/

    for (FlowElement flowElement : flowElements) {
        if (flowElement instanceof UserTask || flowElement instanceof SubProcess) {
            List<ExtensionElement> localizationElements = flowElement.getExtensionElements()
                    .get("localization");
            if (localizationElements != null) {
                for (ExtensionElement localizationElement : localizationElements) {
                    if (BpmnXMLConstants.FLOWABLE_EXTENSIONS_PREFIX
                            .equals(localizationElement.getNamespacePrefix())
                            || BpmnXMLConstants.ACTIVITI_EXTENSIONS_PREFIX
                                    .equals(localizationElement.getNamespacePrefix())) {

                        String locale = localizationElement.getAttributeValue(null, "locale");
                        String name = localizationElement.getAttributeValue(null, "name");
                        String documentation = null;
                        List<ExtensionElement> documentationElements = localizationElement.getChildElements()
                                .get("documentation");
                        if (documentationElements != null) {
                            for (ExtensionElement documentationElement : documentationElements) {
                                documentation = StringUtils.trimToNull(documentationElement.getElementText());
                                break;
                            }
                        }

                        String flowElementId = flowElement.getId();
                        if (isEqualToCurrentLocalizationValue(locale, flowElementId, "name", name,
                                infoNode) == false) {
                            dynamicBpmnService.changeLocalizationName(locale, flowElementId, name, infoNode);
                            localizationValuesChanged = true;
                        }

                        if (documentation != null && isEqualToCurrentLocalizationValue(locale, flowElementId,
                                "description", documentation, infoNode) == false) {
                            dynamicBpmnService.changeLocalizationDescription(locale, flowElementId,
                                    documentation, infoNode);
                            localizationValuesChanged = true;
                        }

                        break;
                    }
                }
            }

            if (flowElement instanceof SubProcess) {
                SubProcess subprocess = (SubProcess) flowElement;
                boolean isFlowElementLocalizationChanged = localizeFlowElements(subprocess.getFlowElements(),
                        infoNode);
                boolean isDataObjectLocalizationChanged = localizeDataObjectElements(
                        subprocess.getDataObjects(), infoNode);
                if (isFlowElementLocalizationChanged || isDataObjectLocalizationChanged) {
                    localizationValuesChanged = true;
                }
            }
        }
    }

    return localizationValuesChanged;
}

From source file:org.flowable.engine.impl.bpmn.deployer.BpmnDeployer.java

protected boolean localizeDataObjectElements(List<ValuedDataObject> dataObjects, ObjectNode infoNode) {
    boolean localizationValuesChanged = false;
    CommandContext commandContext = Context.getCommandContext();
    DynamicBpmnService dynamicBpmnService = commandContext.getProcessEngineConfiguration()
            .getDynamicBpmnService();//from  w  w  w .j a  va 2 s  .c  o m

    for (ValuedDataObject dataObject : dataObjects) {
        List<ExtensionElement> localizationElements = dataObject.getExtensionElements().get("localization");
        if (localizationElements != null) {
            for (ExtensionElement localizationElement : localizationElements) {
                if (BpmnXMLConstants.FLOWABLE_EXTENSIONS_PREFIX.equals(localizationElement.getNamespacePrefix())
                        || BpmnXMLConstants.ACTIVITI_EXTENSIONS_PREFIX
                                .equals(localizationElement.getNamespacePrefix())) {

                    String locale = localizationElement.getAttributeValue(null, "locale");
                    String name = localizationElement.getAttributeValue(null, "name");
                    String documentation = null;

                    List<ExtensionElement> documentationElements = localizationElement.getChildElements()
                            .get("documentation");
                    if (documentationElements != null) {
                        for (ExtensionElement documentationElement : documentationElements) {
                            documentation = StringUtils.trimToNull(documentationElement.getElementText());
                            break;
                        }
                    }

                    if (name != null && isEqualToCurrentLocalizationValue(locale, dataObject.getId(),
                            DynamicBpmnConstants.LOCALIZATION_NAME, name, infoNode) == false) {
                        dynamicBpmnService.changeLocalizationName(locale, dataObject.getId(), name, infoNode);
                        localizationValuesChanged = true;
                    }

                    if (documentation != null && isEqualToCurrentLocalizationValue(locale, dataObject.getId(),
                            DynamicBpmnConstants.LOCALIZATION_DESCRIPTION, documentation, infoNode) == false) {

                        dynamicBpmnService.changeLocalizationDescription(locale, dataObject.getId(),
                                documentation, infoNode);
                        localizationValuesChanged = true;
                    }
                }
            }
        }
    }

    return localizationValuesChanged;
}