org.dataconservancy.model.dcs.support.Util.isNull()方法的使用及代码示例

x33g5p2x  于2022-02-01 转载在 其他  
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本文整理了Java中org.dataconservancy.model.dcs.support.Util.isNull()方法的一些代码示例，展示了Util.isNull()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Util.isNull()方法的具体详情如下：
包路径：org.dataconservancy.model.dcs.support.Util
类名称：Util
方法名：isNull

Util.isNull介绍

[英]Returns true if o is null.
[中]如果o为[$2$]，则返回true。

代码示例

代码示例来源：origin: org.dataconservancy.model/dcs-model

  1. /**
  2.  * Throws {@link IllegalArgumentException} if <code>o</code> is <code>null</code>.
  3.  *
  4.  * @param o an object
  5.  * @return the object
  6.  */
  7. static public Object notNull(Object o) {
  8.   final String msg = "Object must not be null";
  9.   if (Util.isNull(o)) {
  10.     throw new IllegalArgumentException(msg);
  11.   }
  12.   return o;
  13. }

代码示例来源：origin: org.dataconservancy.model/dcs-model

  1. /**
  2.  * Returns true if <code>s</code> is empty or <code>null</code>.
  3.  *
  4.  * @param s a string
  5.  * @return true if <code>s</code> is empty or <code>null</code>.
  6.  */
  7. public static boolean isEmptyOrNull(String s) {
  8.   return isNull(s) || isEmpty(s);
  9. }

代码示例来源：origin: org.dataconservancy.model/dcs-ui-model-builder-xstream

  1. @Override
  2. public void marshal(Object source,
  3.           HierarchicalStreamWriter writer,
  4.           MarshallingContext context) {
  5.   super.marshal(source, writer, context);
  6.   final AdiAjaxTransport adiAjaxTransportSource = (AdiAjaxTransport) source;
  7.   if (adiAjaxTransportSource != null) {
  8.     writer.startNode("");
  9.     if (!isNull(adiAjaxTransportSource.getMessage())) {
  10.       writer.startNode("message");
  11.       writer.setValue(adiAjaxTransportSource.getMessage());
  12.       writer.endNode();
  13.     }
  14.     List<DataItemTransport> dataItemTransportList = adiAjaxTransportSource.getDataItemTransportList();
  15.     if (!isNull(dataItemTransportList) && !dataItemTransportList.isEmpty()) {
  16.       ((JsonWriter) writer).startNode("dataItemTransportList", dataItemTransportList.getClass());
  17.       for (DataItemTransport dataItemTransport: dataItemTransportList) {
  18.         context.convertAnother(dataItemTransport);
  19.       }
  20.       writer.endNode();
  21.     }
  22.     writer.endNode();
  23.   }
  24. }

代码示例来源：origin: org.dataconservancy.dcs/dcs-ui-model-builder-xstream

  1. @Override
  2. public void marshal(Object source,
  3.           HierarchicalStreamWriter writer,
  4.           MarshallingContext context) {
  5.   super.marshal(source, writer, context);
  6.   final AdiAjaxTransport adiAjaxTransportSource = (AdiAjaxTransport) source;
  7.   if (adiAjaxTransportSource != null) {
  8.     writer.startNode("");
  9.     if (!isNull(adiAjaxTransportSource.getMessage())) {
  10.       writer.startNode("message");
  11.       writer.setValue(adiAjaxTransportSource.getMessage());
  12.       writer.endNode();
  13.     }
  14.     List<DataItemTransport> dataItemTransportList = adiAjaxTransportSource.getDataItemTransportList();
  15.     if (!isNull(dataItemTransportList) && !dataItemTransportList.isEmpty()) {
  16.       ((JsonWriter) writer).startNode("dataItemTransportList", dataItemTransportList.getClass());
  17.       for (DataItemTransport dataItemTransport: dataItemTransportList) {
  18.         context.convertAnother(dataItemTransport);
  19.       }
  20.       writer.endNode();
  21.     }
  22.     writer.endNode();
  23.   }
  24. }

代码示例来源：origin: org.dataconservancy.dcs/dcs-ui-model-builder-xstream

  1. reader.moveDown();
  2. String value = reader.getValue();
  3. if (!isNull(value) && !value.isEmpty()) {
  4.   adiAjaxTransportObject.setMessage(value);

代码示例来源：origin: org.dataconservancy.model/dcs-ui-model-builder-xstream

  1. reader.moveDown();
  2. String value = reader.getValue();
  3. if (!isNull(value) && !value.isEmpty()) {
  4.   adiAjaxTransportObject.setMessage(value);

代码示例来源：origin: org.dataconservancy.model/dcs-ui-model-builder-xstream

  1. @Override
  2. public void marshal(Object source,
  3.           HierarchicalStreamWriter writer,
  4.           MarshallingContext context) {
  5.   super.marshal(source, writer, context);
  6.   final DataItemTransport dataItemTransportSource = (DataItemTransport) source;
  7.   if (dataItemTransportSource != null) {
  8.     writer.startNode(E_DATA_ITEM_TRANSPORT);
  9.     if (!isNull(dataItemTransportSource.getDataItem())) {
  10.       writer.startNode(E_DATA_ITEM);
  11.       context.convertAnother(dataItemTransportSource.getDataItem());
  12.       writer.endNode();
  13.     }
  14.     if (!isNull(dataItemTransportSource.getInitialDepositDate())) {
  15.       writer.startNode(E_INITIAL_DEPOSIT_DATE);
  16.       context.convertAnother(dataItemTransportSource.getInitialDepositDate());
  17.       writer.endNode();
  18.     }
  19.     if (!isNull(dataItemTransportSource.getDepositStatus())) {
  20.       writer.startNode(E_DEPOSIT_STATUS);
  21.       writer.setValue(dataItemTransportSource.getDepositStatus().toString());
  22.       writer.endNode();
  23.     }
  24.     writer.endNode();
  25.   }
  26. }

代码示例来源：origin: org.dataconservancy.dcs/dcs-ui-model-builder-xstream

  1. @Override
  2. public void marshal(Object source,
  3.           HierarchicalStreamWriter writer,
  4.           MarshallingContext context) {
  5.   super.marshal(source, writer, context);
  6.   final DataItemTransport dataItemTransportSource = (DataItemTransport) source;
  7.   if (dataItemTransportSource != null) {
  8.     writer.startNode(E_DATA_ITEM_TRANSPORT);
  9.     if (!isNull(dataItemTransportSource.getDataItem())) {
  10.       writer.startNode(E_DATA_ITEM);
  11.       context.convertAnother(dataItemTransportSource.getDataItem());
  12.       writer.endNode();
  13.     }
  14.     if (!isNull(dataItemTransportSource.getInitialDepositDate())) {
  15.       writer.startNode(E_INITIAL_DEPOSIT_DATE);
  16.       context.convertAnother(dataItemTransportSource.getInitialDepositDate());
  17.       writer.endNode();
  18.     }
  19.     if (!isNull(dataItemTransportSource.getDepositStatus())) {
  20.       writer.startNode(E_DEPOSIT_STATUS);
  21.       writer.setValue(dataItemTransportSource.getDepositStatus().toString());
  22.       writer.endNode();
  23.     }
  24.     writer.endNode();
  25.   }
  26. }

代码示例来源：origin: org.dataconservancy.model/dcs-model-builder-xstream

  1. if (!isNull(man.getDeliverableUnit())) {
  2.   writer.startNode(E_DUNIT);
  3.   writer.addAttribute(A_REF, man.getDeliverableUnit());
  4. if (!isNull(techenv)) {
  5.   for (String e : techenv) {
  6.     if (!isEmptyOrNull(e)) {
  7. if (!isNull(files)) {
  8.   for (DcsManifestationFile mf : files) {
  9.     writer.startNode(ManifestationFileConverter.E_MANFILE);
  10. if (!isNull(metadataRef)) {
  11.   for (DcsMetadataRef md : metadataRef) {
  12.     writer.startNode(MetadataConverter.E_METADATA);
  13. if (!isNull(metadata)) {
  14.   for (DcsMetadata md : metadata) {
  15.     writer.startNode(MetadataConverter.E_METADATA);

代码示例来源：origin: org.dataconservancy.dcs/dcs-model-builder-xstream

  1. if (!isNull(man.getDeliverableUnit())) {
  2.   writer.startNode(E_DUNIT);
  3.   writer.addAttribute(A_REF, man.getDeliverableUnit());
  4. if (!isNull(techenv)) {
  5.   for (String e : techenv) {
  6.     if (!isEmptyOrNull(e)) {
  7. if (!isNull(files)) {
  8.   for (DcsManifestationFile mf : files) {
  9.     writer.startNode(ManifestationFileConverter.E_MANFILE);
  10. if (!isNull(metadataRef)) {
  11.   for (DcsMetadataRef md : metadataRef) {
  12.     writer.startNode(MetadataConverter.E_METADATA);
  13. if (!isNull(metadata)) {
  14.   for (DcsMetadata md : metadata) {
  15.     writer.startNode(MetadataConverter.E_METADATA);

代码示例来源：origin: org.dataconservancy.model/dcs-model-builder-xstream

  1. @Override
  2. public void marshal(Object source, HierarchicalStreamWriter writer, MarshallingContext context) {
  3.   super.marshal(source, writer, context);
  4.   final DcsManifestationFile mf = (DcsManifestationFile) source;
  5.   if (mf.getRef() != null) {
  6.     writer.addAttribute(A_REF, mf.getRef().getRef());
  7.   }
  8.   if (!isEmptyOrNull(mf.getPath())) {
  9.     writer.startNode(E_PATH);
  10.     writer.setValue(mf.getPath());
  11.     writer.endNode();
  12.   }
  13.   if (!isNull(mf.getRelSet()) && !mf.getRelSet().isEmpty()) {
  14.     for (DcsRelation rel : mf.getRelSet()) {
  15.       writer.startNode(E_REL);
  16.       context.convertAnother(rel);
  17.       writer.endNode();
  18.     }
  19.   }
  20. }

代码示例来源：origin: org.dataconservancy.dcs/dcs-model-builder-xstream

  1. @Override
  2. public void marshal(Object source, HierarchicalStreamWriter writer, MarshallingContext context) {
  3.   super.marshal(source, writer, context);
  4.   final DcsManifestationFile mf = (DcsManifestationFile) source;
  5.   if (mf.getRef() != null) {
  6.     writer.addAttribute(A_REF, mf.getRef().getRef());
  7.   }
  8.   if (!isEmptyOrNull(mf.getPath())) {
  9.     writer.startNode(E_PATH);
  10.     writer.setValue(mf.getPath());
  11.     writer.endNode();
  12.   }
  13.   if (!isNull(mf.getRelSet()) && !mf.getRelSet().isEmpty()) {
  14.     for (DcsRelation rel : mf.getRelSet()) {
  15.       writer.startNode(E_REL);
  16.       context.convertAnother(rel);
  17.       writer.endNode();
  18.     }
  19.   }
  20. }

代码示例来源：origin: org.dataconservancy.model/dcs-ui-model-builder-xstream

  1. if (!isNull(dataItemSource.getDepositorId())) {
  2.   writer.startNode(E_DEPOSITOR);
  3.   writer.addAttribute(ATTR_REF, dataItemSource.getDepositorId());
  4. if (!isNull(dataItemSource.getDepositDate())) {
  5.   writer.startNode(E_DEPOSIT_DATE);
  6.   context.convertAnother(dataItemSource.getDepositDate());

代码示例来源：origin: org.dataconservancy.dcs/dcs-ui-model-builder-xstream

  1. if (!isNull(dataItemSource.getDepositorId())) {
  2.   writer.startNode(E_DEPOSITOR);
  3.   writer.addAttribute(ATTR_REF, dataItemSource.getDepositorId());
  4. if (!isNull(dataItemSource.getDepositDate())) {
  5.   writer.startNode(E_DEPOSIT_DATE);
  6.   context.convertAnother(dataItemSource.getDepositDate());

代码示例来源：origin: org.dataconservancy.model/dcs-ui-model-builder-xstream

  1. if (!isNull(dataItemSource.getDepositorId())) {
  2.   writer.startNode(E_DEPOSITOR);
  3.   writer.addAttribute(ATTR_REF, dataItemSource.getDepositorId());
  4. if (!isNull(dataItemSource.getDepositDate())) {
  5.   writer.startNode(E_DEPOSIT_DATE);
  6.   context.convertAnother(dataItemSource.getDepositDate());
  7. if (!isNull(dataItemSource.getCreatedDate())) {
  8.   writer.startNode(E_CREATE_DATE);
  9.   context.convertAnother(dataItemSource.getCreatedDate());
  10. if (!isNull(dataItemSource.getModifiedDate())) {
  11.   writer.startNode(E_MODIFIED_DATE);
  12.   context.convertAnother(dataItemSource.getModifiedDate());

代码示例来源：origin: org.dataconservancy.dcs/dcs-ui-model-builder-xstream

  1. if (!isNull(dataItemSource.getDepositorId())) {
  2.   writer.startNode(E_DEPOSITOR);
  3.   writer.addAttribute(ATTR_REF, dataItemSource.getDepositorId());
  4. if (!isNull(dataItemSource.getDepositDate())) {
  5.   writer.startNode(E_DEPOSIT_DATE);
  6.   context.convertAnother(dataItemSource.getDepositDate());
  7. if (!isNull(dataItemSource.getCreatedDate())) {
  8.   writer.startNode(E_CREATE_DATE);
  9.   context.convertAnother(dataItemSource.getCreatedDate());
  10. if (!isNull(dataItemSource.getModifiedDate())) {
  11.   writer.startNode(E_MODIFIED_DATE);
  12.   context.convertAnother(dataItemSource.getModifiedDate());

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