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/scalate-core/src/main/scala/org/fusesource/scalate/support/Elvis.scala

http://github.com/scalate/scalate
Scala | 36 lines | 8 code | 2 blank | 26 comment | 3 complexity | 2fc270b1b915175dac78a5b271fb0363 MD5 | raw file
  1. /**
  2. * Copyright (C) 2009-2011 the original author or authors.
  3. * See the notice.md file distributed with this work for additional
  4. * information regarding copyright ownership.
  5. *
  6. * Licensed under the Apache License, Version 2.0 (the "License");
  7. * you may not use this file except in compliance with the License.
  8. * You may obtain a copy of the License at
  9. *
  10. * http://www.apache.org/licenses/LICENSE-2.0
  11. *
  12. * Unless required by applicable law or agreed to in writing, software
  13. * distributed under the License is distributed on an "AS IS" BASIS,
  14. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15. * See the License for the specific language governing permissions and
  16. * limitations under the License.
  17. */
  18. package org.fusesource.scalate.support
  19. /**
  20. * Implements the Groovy style Elvis operator in Scala
  21. *
  22. * @version $Revision: 1.1 $
  23. */
  24. class Elvis(val defaultValue: Any) {
  25. def ?:(value: Any) = if (value != null) value else defaultValue
  26. }
  27. /**
  28. * A helper class useful for implicit conversions when legacy code iterates over a Map without explicitly
  29. * decomposing the iterator value to a tuple
  30. */
  31. case class MapEntry[A, B](key: A, value: B) {
  32. def getKey = key
  33. def getValue = value
  34. }