Example usage for java.util Objects isNull

Introduction

In this page you can find the example usage for java.util Objects isNull.

Prototype

public static boolean isNull(Object obj)

Source Link

Document

Returns true if the provided reference is null otherwise returns false .

Usage

From source file:org.kitodo.filemanagement.FileManagement.java

@Override
public URI rename(URI uri, String newName) throws IOException {
    if (Objects.isNull(uri) || Objects.isNull(newName)) {
        return null;
    }/*from w w  w .  j a  va 2  s. co m*/

    String substring = uri.toString().substring(0, uri.toString().lastIndexOf('/') + 1);
    if (newName.contains("/")) {
        newName = newName.substring(newName.lastIndexOf('/') + 1);
    }
    URI newFileUri = URI.create(substring + newName);
    URI mappedFileURI = fileMapper.mapUriToKitodoDataDirectoryUri(uri);
    URI mappedNewFileURI = fileMapper.mapUriToKitodoDataDirectoryUri(newFileUri);

    if (!fileExist(mappedFileURI)) {
        logger.debug("File {} does not exist for renaming.", uri.getPath());
        throw new FileNotFoundException(uri + " does not exist for renaming.");
    }

    if (fileExist(mappedNewFileURI)) {
        String message = "Renaming of " + uri + " into " + newName + " failed: Destination exists.";
        logger.error(message);
        throw new IOException(message);
    }

    return performRename(mappedFileURI, mappedNewFileURI);
}

From source file:org.kitodo.production.process.field.AdditionalField.java

/**
 * Set init start./*from  w  w w. j a v  a  2 s . c om*/
 *
 * @param newValue
 *            String
 */
public void setInitStart(String newValue) {
    this.initStart = newValue;
    if (Objects.isNull(this.initStart)) {
        this.initStart = "";
    }
    this.value = this.initStart + this.value;
}

From source file:org.opendaylight.sxp.csit.libraries.DeviceTestLibrary.java

/**
 * @param nodeId NodeId of local SXP device
 * @return JSON formatted content of MasterDatabase
 * @throws JsonProcessingException If any error occurs during JSON generation
 *///from ww w.j a v  a2  s  . c o  m
@RobotKeyword("Get Master Database")
@ArgumentNames({ "node_id" })
public synchronized String getMasterDatabase(String nodeId) throws JsonProcessingException {
    SxpNode node = LibraryServer.getNode(Objects.requireNonNull(nodeId));
    if (Objects.isNull(node))
        return "{\"output\":{\"binding\":[]}}";
    return "{\"output\":{\"binding\":" + pojoBindingsSerializer.writeValueAsString(
            node.getDomain(SxpNode.DEFAULT_DOMAIN).getMasterDatabase().getBindings()) + "}}";
}

From source file:org.esa.s3tbx.olci.radiometry.rayleigh.RayleighAux.java

public double[] getAltitudes() {
    if (Objects.isNull(altitudes)) {
        double[] longitudes = getLongitude();
        double[] latitudes = getLatitudes();

        if (Objects.nonNull(longitudes) && Objects.nonNull(latitudes)) {
            double[] elevation = new double[latitudes.length];
            for (int i = 0; i < longitudes.length; i++) {
                try {
                    elevation[i] = elevationModel.getElevation(new GeoPos(latitudes[i], longitudes[i]));
                } catch (Exception e) {
                    e.printStackTrace();
                }//from  w  w w . j  a va  2s .  c o  m
            }
            altitudes = elevation;
        }
    }
    return altitudes;
}

From source file:org.dbflute.intro.app.web.welcome.WelcomeAction.java

private ProjectInfra prepareProjectMeta(ClientPart clientBody) {
    if (Objects.isNull(clientBody.jdbcDriver)) {
        return new ProjectInfra(clientBody.projectName, clientBody.dbfluteVersion);
    }/* www  . j  ava  2  s.  c om*/
    ExtlibFile extlibFile = clientPhysicalLogic.createExtlibFile(clientBody.projectName,
            clientBody.jdbcDriver.fileName, clientBody.jdbcDriver.data);
    return new ProjectInfra(clientBody.projectName, clientBody.dbfluteVersion, extlibFile);
}

From source file:org.openecomp.sdc.tosca.services.impl.ToscaAnalyzerServiceImpl.java

private Optional<Boolean> isNodeTypeExistInImports(String nodeTypeToMatch, String nodeTypeToSearch,
        ServiceTemplate serviceTemplate, ToscaServiceModel toscaServiceModel, Set<String> analyzedImportFiles) {
    Map<String, Import> imports = serviceTemplate.getImports();
    if (imports == null) {
        return Optional.empty();
    }//w  ww . j  ava  2 s  . c o  m

    analyzedImportFiles = createAnalyzedImportFilesSet(analyzedImportFiles);
    for (Import anImport : imports.values()) {
        if (Objects.isNull(anImport) || Objects.isNull(anImport.getFile())) {
            throw new RuntimeException("import without file entry");
        }
        String importFile = anImport.getFile();
        if (analyzedImportFiles.contains(importFile)) {
            continue;
        }
        addImportFileToAnalyzedImportFilesSet(analyzedImportFiles, importFile);
        ServiceTemplate template = toscaServiceModel.getServiceTemplates().get(importFile);
        Optional<Boolean> nodeTypeExistInServiceTemplateHierarchy = isNodeTypeExistInServiceTemplateHierarchy(
                nodeTypeToMatch, nodeTypeToSearch, template, toscaServiceModel, analyzedImportFiles);
        if (nodeTypeExistInServiceTemplateHierarchy.isPresent()) {
            if (nodeTypeExistInServiceTemplateHierarchy.get()) {
                return Optional.of(true);
            }
        }
    }
    return Optional.of(false);
}

From source file:org.kitodo.production.forms.dataeditor.StructurePanel.java

/**
 * Updates the live structure of a structure tree node and returns it, to
 * provide for updating the parent. If the tree node contains children which
 * arent structures, {@code null} is returned to skip them on the level
 * above.//from w w w.  java 2s .  c o  m
 */
private static IncludedStructuralElement preserveLogicalRecursive(TreeNode treeNode) {
    StructureTreeNode structureTreeNode = (StructureTreeNode) treeNode.getData();
    if (Objects.isNull(structureTreeNode)
            || !(structureTreeNode.getDataObject() instanceof IncludedStructuralElement)) {
        return null;
    }
    IncludedStructuralElement structure = (IncludedStructuralElement) structureTreeNode.getDataObject();

    List<IncludedStructuralElement> childrenLive = structure.getChildren();
    childrenLive.clear();
    for (TreeNode child : treeNode.getChildren()) {
        IncludedStructuralElement maybeChildStructure = preserveLogicalRecursive(child);
        if (Objects.nonNull(maybeChildStructure)) {
            childrenLive.add(maybeChildStructure);
        }
    }
    return structure;
}

From source file:org.kitodo.production.process.field.AdditionalField.java

/**
 * Set init end./*from  ww  w .  j a va2s  . c om*/
 *
 * @param newValue
 *            String
 */
public void setInitEnd(String newValue) {
    this.initEnd = newValue;
    if (Objects.isNull(this.initEnd)) {
        this.initEnd = "";
    }
    this.value = this.value + this.initEnd;
}

From source file:org.kitodo.forms.WorkflowForm.java

/**
 * Create new workflow./* w  w  w.j  a v  a 2s  .  c  o  m*/
 *
 * @return page
 */
public String newWorkflow() {
    this.workflow = new Workflow();
    return workflowEditPath + "&id=" + (Objects.isNull(this.workflow.getId()) ? 0 : this.workflow.getId());
}

From source file:org.eclipse.winery.repository.rest.resources.entitytemplates.artifacttemplates.FilesResource.java

@GET
@Path("/{fileName}")
public Response getFile(@PathParam("fileName") String fileName,
        @HeaderParam("If-Modified-Since") String modified, @QueryParam("path") String path) {
    path = Objects.isNull(path) ? "" : path;
    RepositoryFileReference ref = this.fileName2fileRef(fileName, path, true);
    return RestUtils.returnRepoPath(ref, modified);
}