本文整理了Java中org.pentaho.di.core.util.Utils.isEmpty()方法的一些代码示例，展示了Utils.isEmpty()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。Utils.isEmpty()方法的具体详情如下：
包路径：org.pentaho.di.core.util.Utils
类名称：Utils
方法名：isEmpty

Utils.isEmpty介绍

[英]Check if the list supplied is empty. An array is empty when it is null or when the length is 0
[中]

代码示例

代码示例来源：origin: pentaho/pentaho-kettle

public TextFileSelector( String sourcefolderin, String filewildcard ) {
 if ( !Utils.isEmpty( sourcefolderin ) ) {
  sourceFolder = sourcefolderin;
 }
 if ( !Utils.isEmpty( filewildcard ) ) {
  fileWildcard = filewildcard;
 }
}

代码示例来源：origin: pentaho/pentaho-kettle

public TextOneFileSelector( String sourcefolderin, String sourcefilenamein, String destfolderin ) {
 if ( !Utils.isEmpty( sourcefilenamein ) ) {
  filename = sourcefilenamein;
 }
 if ( !Utils.isEmpty( sourcefolderin ) ) {
  foldername = sourcefolderin;
 }
 if ( !Utils.isEmpty( destfolderin ) ) {
  destfolder = destfolderin;
 }
}

代码示例来源：origin: pentaho/pentaho-kettle

public String loadURL( String url, String ncName, IMetaStore metastore, Map<String, String> mappings ) {
 if ( !Utils.isEmpty( ncName ) && !Utils.isEmpty( url ) ) {
  mappings.put( url, ncName );
 }
 return url;
}

代码示例来源：origin: pentaho/pentaho-kettle

@Override
public BigDecimal getBigNumber() {
 if ( Utils.isEmpty( string ) ) {
  return null;
 }
 // Localise , to .
 if ( Const.DEFAULT_DECIMAL_SEPARATOR != '.' ) {
  string = string.replace( Const.DEFAULT_DECIMAL_SEPARATOR, '.' );
 }
 return new BigDecimal( string );
}

代码示例来源：origin: pentaho/pentaho-kettle

@Override
public void write( byte[] b ) throws IOException {
 if ( Utils.isEmpty( encoding ) ) {
  writer.append( new String( b ) );
 } else {
  writer.append( new String( b, encoding ) );
 }
}

代码示例来源：origin: pentaho/pentaho-kettle

@Override
public String getURL( String hostname, String port, String databaseName ) {
 if ( !Utils.isEmpty( port ) && Const.toInt( port, -1 ) > 0 ) {
  return "jdbc:luciddb:http://" + hostname + ":" + port;
 } else {
  return "jdbc:luciddb:http://" + hostname;
 }
}

代码示例来源：origin: pentaho/pentaho-kettle

@Override
 public void focusGained( org.eclipse.swt.events.FocusEvent e ) {
  // check if the URL and login credentials passed and not just had error
  if ( Utils.isEmpty( wURL.getText() )
   || Utils.isEmpty( wUserName.getText() ) || Utils.isEmpty( wPassword.getText() )
   || ( getModulesListError ) ) {
   return;
  }
  getModulesList();
 }
} );

代码示例来源：origin: pentaho/pentaho-kettle

public static String getPortSpecification( VariableSpace space, String port ) {
 String realPort = space.environmentSubstitute( port );
 String portSpec = ":" + realPort;
 if ( Utils.isEmpty( realPort ) || port.equals( "80" ) ) {
  portSpec = "";
 }
 return portSpec;
}

代码示例来源：origin: pentaho/pentaho-kettle

public static String createEntryKey( String connectionGroup, String partitionID, Database database ) {
 StringBuilder key = new StringBuilder( connectionGroup );
 key.append( ':' ).append( database.getDatabaseMeta().getName() );
 if ( !Utils.isEmpty( partitionID ) ) {
  key.append( ':' ).append( partitionID );
 }
 return key.toString();
}

代码示例来源：origin: pentaho/pentaho-kettle

private void ok() {
 if ( Utils.isEmpty( wStepname.getText() ) ) {
  return;
 }
 // Get the information for the dialog into the input structure.
 getInfo( input );
 dispose();
}

代码示例来源：origin: pentaho/pentaho-kettle

private void ok() {
  if ( Utils.isEmpty( wStepname.getText() ) ) {
   return;
  }

  stepname = wStepname.getText(); // return value
  input.setMessageField( wMessageField.getText() );

  dispose();
 }
}

代码示例来源：origin: pentaho/pentaho-kettle

@Override
public ObjectId renameJob( ObjectId id_job, String versionComment, RepositoryDirectoryInterface newDir,
 String newName ) throws KettleException {
 ObjectId objectId = renameObject( id_job, newDir, newName, EXT_JOB );
 if ( !Utils.isEmpty( versionComment ) ) {
  insertLogEntry( "Rename job : " + versionComment );
 }
 return objectId;
}

代码示例来源：origin: pentaho/pentaho-kettle

public String getFieldDefinition( ValueMetaInterface v, String tk, String pk, boolean use_autoinc,
 boolean add_fieldname, boolean add_cr ) {
 String definition =
  v.getDatabaseColumnTypeDefinition( databaseInterface, tk, pk, use_autoinc, add_fieldname, add_cr );
 if ( !Utils.isEmpty( definition ) ) {
  return definition;
 }
 return databaseInterface.getFieldDefinition( v, tk, pk, use_autoinc, add_fieldname, add_cr );
}

代码示例来源：origin: pentaho/pentaho-kettle

/**
 * Overrides parent behavior to allow <code>getDatabasePortNumberString</code> value to override value of
 * <code>DBS_PORT</code> extra option.
 */
@Override
public Map<String, String> getExtraOptions() {
 Map<String, String> map = super.getExtraOptions();
 if ( !Utils.isEmpty( getDatabasePortNumberString() ) ) {
  map.put( getPluginId() + ".DBS_PORT", getDatabasePortNumberString() );
 }
 return map;
}

代码示例来源：origin: pentaho/pentaho-kettle

public void getFields( RowMetaInterface inputRowMeta, String name, RowMetaInterface[] info, StepMeta nextStep,
  VariableSpace space, Repository repository, IMetaStore metaStore )
 throws KettleStepException {
 // Output field (String)
 if ( !Utils.isEmpty( resultfieldname ) ) {
  ValueMetaInterface v = new ValueMetaBoolean( space.environmentSubstitute( resultfieldname ) );
  v.setOrigin( name );
  inputRowMeta.addValueMeta( v );
 }
}

代码示例来源：origin: pentaho/pentaho-kettle

private TransMeta loadTransformation( ReportSubjectLocation location ) throws KettleException {
 TransMeta transMeta;
 if ( !Utils.isEmpty( location.getFilename() ) ) {
  transMeta = new TransMeta( location.getFilename() );
 } else {
  transMeta = repository.loadTransformation( location.getName(), location.getDirectory(), null, true, null );
 }
 return transMeta;
}

代码示例来源：origin: pentaho/pentaho-kettle

private JobMeta loadJob( ReportSubjectLocation location ) throws KettleException {
 JobMeta jobMeta;
 if ( !Utils.isEmpty( location.getFilename() ) ) {
  jobMeta = new JobMeta( location.getFilename(), repository );
 } else {
  jobMeta = repository.loadJob( location.getName(), location.getDirectory(), null, null );
 }
 return jobMeta;
}

代码示例来源：origin: pentaho/pentaho-kettle

public void truncateTable( String schema, String tablename ) throws KettleDatabaseException {
 if ( Utils.isEmpty( connectionGroup ) ) {
  String truncateStatement = databaseMeta.getTruncateTableStatement( schema, tablename );
  if ( truncateStatement == null ) {
   throw new KettleDatabaseException( "Truncate table not supported by "
    + databaseMeta.getDatabaseInterface().getPluginName() );
  }
  execStatement( truncateStatement );
 } else {
  execStatement( "DELETE FROM " + databaseMeta.getQuotedSchemaTableCombination( schema, tablename ) );
 }
}

代码示例来源：origin: pentaho/pentaho-kettle

private boolean checkUser() {
 if ( Utils.isEmpty( wUserName.getText() ) ) {
  MessageBox mb = new MessageBox( shell, SWT.OK | SWT.ICON_ERROR );
  mb.setMessage( BaseMessages.getString( PKG, "SalesforceUpdateDialog.UsernameMissing.DialogMessage" ) );
  mb.setText( BaseMessages.getString( PKG, "System.Dialog.Error.Title" ) );
  mb.open();
  return false;
 }
 return true;
}

代码示例来源：origin: pentaho/pentaho-kettle

private boolean checkUser() {
 if ( Utils.isEmpty( wUserName.getText() ) ) {
  MessageBox mb = new MessageBox( shell, SWT.OK | SWT.ICON_ERROR );
  mb.setMessage( BaseMessages.getString( PKG, "SalesforceInsertDialog.UsernameMissing.DialogMessage" ) );
  mb.setText( BaseMessages.getString( PKG, "System.Dialog.Error.Title" ) );
  mb.open();
  return false;
 }
 return true;
}