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/*
* =========================================================================================
* Copyright © 2013-2014 the kamon project <http://kamon.io/>
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the
* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied. See the License for the specific language governing permissions
* and limitations under the License.
* =========================================================================================
*/
package kamon.util
import scala.util.matching.Regex
class GlobPathFilter(glob: String) {
val regex = globAsRegex(glob)
def accept(path: String): Boolean = path.matches(regex.toString())
private def globAsRegex(glob: String): Regex = {
val regexStr = new StringBuilder('^')
glob.foreach {
case '.' ⇒ regexStr append """\."""
case '*' ⇒ regexStr append """[^/]*"""
case '?' ⇒ regexStr append """."""
case ch ⇒ regexStr append ch
}
regexStr append """/?$"""
new Regex(regexStr.toString())
}
}
object GlobPathFilter {
def apply(glob: String): GlobPathFilter = new GlobPathFilter(glob)
}
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