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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 */
18package org.fusesource.scalate.support
19
20/**
21 * Implements the Groovy style Elvis operator in Scala
22 *
23 * @version $Revision: 1.1 $
24 */
25class Elvis(val defaultValue: Any) {
26  def ?:(value: Any) = if (value != null) value else defaultValue
27}
28
29/**
30 * A helper class useful for implicit conversions when legacy code iterates over a Map without explicitly
31 * decomposing the iterator value to a tuple
32 */
33case class MapEntry[A, B](key: A, value: B) {
34  def getKey = key
35  def getValue = value
36}