org.fusesource.scalate.util.URIs.scala Maven / Gradle / Ivy
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/**
* Copyright (C) 2009-2011 the original author or authors.
* See the notice.md file distributed with this work for additional
* information regarding copyright ownership.
*
* 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 org.fusesource.scalate.util
/**
* Some helper methods for working with URIs and query strings
*
* @version $Revision: 1.1 $
*/
object URIs {
/**
* Creates a URI using a path and optional query string
*/
def uri(path: String, query: String = "") = {
if (query != null && query.length > 0) {
val separator = if (path.contains("?")) "&" else "?"
path + separator + query
}
else {
path
}
}
/**
* Combines the URI path, query string with additional query terms which will avoid duplicates
*/
def uriPlus(path: String, query: String, addQuery: String)= {
val newQuery = (splitQuery(query) ++ splitQuery(addQuery)).distinct
uri(path, joinQuery(newQuery))
}
/**
* Removes the given query terms from the query string if they are there
*/
def uriMinus(path: String, query: String, removeQuery: String)= {
val remove = splitQuery(removeQuery)
val newQuery = splitQuery(query).filter(!remove.contains(_))
uri(path, joinQuery(newQuery))
}
/**
* Split a query expression into separate clauses
*/
protected def splitQuery(query:String): Seq[String] = if (query != null && query.length > 0) query.split("&").toSeq else Nil
protected def joinQuery(queryArgs: Seq[String]) = queryArgs.mkString("&")
}