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

x33g5p2x  于2022-02-01 转载在 其他  
字(8.6k)|赞(0)|评价(0)|浏览(169)

本文整理了Java中org.dataconservancy.model.dcs.support.Util.isEmptyOrNull()方法的一些代码示例，展示了Util.isEmptyOrNull()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.isEmptyOrNull()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：isEmptyOrNull

Util.isEmptyOrNull介绍

[英]Returns true if s is empty or null.
[中]如果s为空或null，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>s</code> is <code>null</code> or the empty string.
  3.  *
  4.  * @param s a string
  5.  * @return the string
  6.  */
  7. static public String notEmptyOrNull(String s) {
  8.   final String msg = "String must not be empty or null.";
  9.   if (Util.isEmptyOrNull(s)) {
  10.     throw new IllegalArgumentException(msg);
  11.   }
  12.   return s;
  13. }

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

  1. @Override
  2. public Object unmarshal(HierarchicalStreamReader reader,
  3.             UnmarshallingContext context) {
  4.   DateTime date = null;
  5.   String value = reader.getValue();
  6.   if (!isEmptyOrNull(value)) {
  7.     date = fmt.parseDateTime(value);
  8.   }
  9.   return date;
  10. }

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

  1. @Override
  2. public Object unmarshal(HierarchicalStreamReader reader,
  3.             UnmarshallingContext context) {
  4.   DateTime date = null;
  5.   String value = reader.getValue();
  6.   if (!isEmptyOrNull(value)) {
  7.     date = fmt.parseDateTime(value);
  8.   }
  9.   return date;
  10. }

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

  1. @Override
  2. public Object unmarshal(HierarchicalStreamReader reader,
  3.             UnmarshallingContext context) {
  4.   DateTime date = null;
  5.   String value = reader.getValue();
  6.   if (!isEmptyOrNull(value)) {
  7.     date = fmt.parseDateTime(value);
  8.   }
  9.   return date;
  10. }

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

  1. @Override
  2. public Object unmarshal(HierarchicalStreamReader reader,
  3.             UnmarshallingContext context) {
  4.   DateTime date = null;
  5.   String value = reader.getValue();
  6.   if (!isEmptyOrNull(value)) {
  7.     date = fmt.parseDateTime(value);
  8.   }
  9.   return date;
  10. }

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

  1. @Override
  2. public Object unmarshal(HierarchicalStreamReader reader,
  3.             UnmarshallingContext context) {
  4.   String start = reader.getAttribute(A_START);
  5.   String end = reader.getAttribute(A_END);
  6.   
  7.   long startVal = -1;
  8.   if( !isEmptyOrNull(start)){
  9.     startVal = Long.parseLong(start);
  10.   }
  11.   
  12.   long endVal = -1;
  13.   if( !isEmptyOrNull(end)){
  14.     endVal = Long.parseLong(end);
  15.   }
  16.   DateTimeInterval interval = new DateTimeInterval(startVal, endVal);
  17.   
  18.   return interval;
  19. }

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

  1. @Override
  2. public void marshal(Object source, HierarchicalStreamWriter writer, MarshallingContext context){
  3.   super.marshal(source, writer, context);
  4.   
  5.   Relation relation = (Relation) source;
  6.   
  7.   if( !isEmptyOrNull(relation.getObject())) {
  8.     writer.addAttribute(A_OBJECT, relation.getObject());
  9.   }
  10.   
  11.   if( !isEmptyOrNull(relation.getPredicate().toString())){
  12.     writer.addAttribute(A_PREDICATE, relation.getPredicate().toString());
  13.   }        
  14. }

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

  1. @Override
  2. public Object unmarshal(HierarchicalStreamReader reader, UnmarshallingContext context) {
  3.   final DcsFixity fixity = new DcsFixity();
  4.   final String algo = reader.getAttribute(A_ALGO);
  5.   final String value = reader.getValue();
  6.   // inside the <fixity> element
  7.   if (!isEmptyOrNull(algo)) {
  8.     fixity.setAlgorithm(algo);
  9.   }
  10.   if (!isEmptyOrNull(value)) {
  11.     fixity.setValue(value);
  12.   }
  13.   return fixity;
  14. }

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

  1. @Override
  2. public Object unmarshal(HierarchicalStreamReader reader, UnmarshallingContext context) {
  3.   final DcsFixity fixity = new DcsFixity();
  4.   final String algo = reader.getAttribute(A_ALGO);
  5.   final String value = reader.getValue();
  6.   // inside the <fixity> element
  7.   if (!isEmptyOrNull(algo)) {
  8.     fixity.setAlgorithm(algo);
  9.   }
  10.   if (!isEmptyOrNull(value)) {
  11.     fixity.setValue(value);
  12.   }
  13.   return fixity;
  14. }

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

  1. @Override
  2. public void marshal(Object source, HierarchicalStreamWriter writer, MarshallingContext context) {
  3.   super.marshal(source, writer, context);
  4.   
  5.   final Relationship relationship = (Relationship) source;
  6.   
  7.   if (!isEmptyOrNull(relationship.getSubject())) {
  8.     writer.addAttribute(A_RELATIONSHIP_SUBJECT, relationship.getSubject());            
  9.   }
  10.   
  11.   if (!isEmptyOrNull(relationship.getPredicate().toString())) {
  12.     writer.addAttribute(A_RELATIONSHIP_PREDICATE, relationship.getPredicate().toString());
  13.   }
  14.   
  15.   if (!isEmptyOrNull(relationship.getObject())) {
  16.     writer.addAttribute(A_RELATIONSHIP_OBJECT, relationship.getObject());
  17.   }
  18. }

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

  1. @Override
  2. public void marshal(Object source, HierarchicalStreamWriter writer, MarshallingContext context) {
  3.   super.marshal(source, writer, context);
  4.   
  5.   final Relationship relationship = (Relationship) source;
  6.   if (!isEmptyOrNull(relationship.getSubject())) {
  7.     writer.addAttribute(A_RELATIONSHIP_SUBJECT, relationship.getSubject());            
  8.   }
  9.   
  10.   if (!isEmptyOrNull(relationship.getPredicate().toString())) {
  11.     writer.addAttribute(A_RELATIONSHIP_PREDICATE, relationship.getPredicate().toString());
  12.   }
  13.   
  14.   if (!isEmptyOrNull(relationship.getObject())) {
  15.     writer.addAttribute(A_RELATIONSHIP_OBJECT, relationship.getObject());
  16.   }
  17. }

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

  1. @Override
  2. public Object unmarshal(HierarchicalStreamReader reader, UnmarshallingContext context) {
  3.   final DcsRelation rel = new DcsRelation();
  4.   final String relUri = reader.getAttribute(A_REL);
  5.   final String ref = reader.getAttribute(A_REF);
  6.   if (!isEmptyOrNull(relUri)) {
  7.     rel.setRelUri(relUri);
  8.   }
  9.   if (!isEmptyOrNull(ref)) {
  10.     rel.setRef(new DcsEntityReference(ref));
  11.   }
  12.   return rel;
  13. }

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

  1. @Override
  2. public Object unmarshal(HierarchicalStreamReader reader, UnmarshallingContext context) {
  3.   final DcsRelation rel = new DcsRelation();
  4.   final String relUri = reader.getAttribute(A_REL);
  5.   final String ref = reader.getAttribute(A_REF);
  6.   if (!isEmptyOrNull(relUri)) {
  7.     rel.setRelUri(relUri);
  8.   }
  9.   if (!isEmptyOrNull(ref)) {
  10.     rel.setRef(new DcsEntityReference(ref));
  11.   }
  12.   return rel;
  13. }

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

  1. @Override
  2. public Object unmarshal(HierarchicalStreamReader reader,
  3.             UnmarshallingContext context) {
  4.   final String object = reader.getAttribute(A_OBJECT);
  5.   URI predicate = null;
  6.   
  7.   if(!isEmptyOrNull(reader.getAttribute(A_PREDICATE))){
  8.     try {
  9.       predicate = new URI(reader.getAttribute(A_PREDICATE));
  10.     } catch (URISyntaxException e) {
  11.     }
  12.   }
  13.   
  14.   return new Relation(predicate, object);
  15. }

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 DcsFixity fixity = (DcsFixity) source;
  5.   if (!isEmptyOrNull(fixity.getAlgorithm())) {
  6.     writer.addAttribute(A_ALGO, fixity.getAlgorithm());
  7.   }
  8.   
  9.   if (!isEmptyOrNull(fixity.getValue())) {
  10.     writer.setValue(fixity.getValue());
  11.   }
  12. }

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 DcsFixity fixity = (DcsFixity) source;
  5.   if (!isEmptyOrNull(fixity.getAlgorithm())) {
  6.     writer.addAttribute(A_ALGO, fixity.getAlgorithm());
  7.   }
  8.   
  9.   if (!isEmptyOrNull(fixity.getValue())) {
  10.     writer.setValue(fixity.getValue());
  11.   }
  12. }

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

  1. @Override
  2. public void marshal(Object source, HierarchicalStreamWriter writer, MarshallingContext context) {
  3.   super.marshal(source, writer, context);
  4.   
  5.   final Checksum checksum = (Checksum) source;
  6.   
  7.   if (!isEmptyOrNull(checksum.getAlgorithm())) {
  8.     writer.addAttribute(A_ALGORITHM, checksum.getAlgorithm());            
  9.   }
  10.   
  11.   if (!isEmptyOrNull(checksum.getValue())) {
  12.     writer.addAttribute(A_VALUE, checksum.getValue());
  13.   }
  14. }

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

  1. @Override
  2. public void marshal(Object source, HierarchicalStreamWriter writer, MarshallingContext context) {
  3.   super.marshal(source, writer, context);
  4.   
  5.   final Triple triple = (Triple) source;
  6.   
  7.   if (!isEmptyOrNull(triple.getSubject())) {
  8.     writer.addAttribute(A_SUBJECT, triple.getSubject());            
  9.   }
  10.   
  11.   if (!isEmptyOrNull(triple.getPredicate())) {
  12.     writer.addAttribute(A_PREDICATE, triple.getPredicate());
  13.   }
  14.   
  15.   if (!isEmptyOrNull(triple.getObject())) {
  16.     writer.addAttribute(A_OBJECT, triple.getObject());
  17.   }
  18. }

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 DcsRelation rel = (DcsRelation) source;
  5.   if (rel.getRef() != null) {
  6.     writer.addAttribute(A_REF, rel.getRef().getRef());
  7.   }
  8.   if (!isEmptyOrNull(rel.getRelUri())) {
  9.     writer.addAttribute(A_REL, rel.getRelUri());
  10.   }
  11. }

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 DcsRelation rel = (DcsRelation) source;
  5.   if (rel.getRef() != null) {
  6.     writer.addAttribute(A_REF, rel.getRef().getRef());
  7.   }
  8.   if (!isEmptyOrNull(rel.getRelUri())) {
  9.     writer.addAttribute(A_REL, rel.getRelUri());
  10.   }
  11. }

内容来源于网络，如有侵权，请联系作者删除！

Util

相关文章

    查看更多

    热门标签

    更多
    JavaquerypythonNode开发语言requestUtil数据库Table后端算法LoggerMessageElementParser

    最新文章

    更多
    • 蜀ICP备13028337号-1 大数据知识库 https://www.saoniuhuo.com © All rights reserved
    • 本站内容来源互联网,如果侵犯您的权益请联系我们删除, 联系方式：448109455@qq.com