/*
* The MIT License (MIT)
*
* Copyright (c) 2016 Lachlan Dowding
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package permafrost.tundra.data.transform;
import permafrost.tundra.lang.StringHelper;
/**
* Squeezes whitespace from elements in an IData document or IData[] document list.
*/
public class Squeezer extends Transformer<Object, Object> {
/**
* Creates a new Squeezer object.
*
* @param recurse Whether to recursively transform child IData documents and IData[] document lists.
*/
public Squeezer(boolean recurse) {
super(Object.class, Object.class, TransformerMode.VALUES, recurse, false, false, false);
normalizeTransformedArrays = true;
normalizeTransformedTables = true;
}
/**
* Transforms the given key.
*
* @param key The key to be transformed.
* @param value The value associated with the key being transformed.
* @return The transformed key.
*/
protected String transformKey(String key, Object value) {
return StringHelper.squeeze(key, false);
}
/**
* Transforms the given value.
*
* @param key The key associated with the value being transformed.
* @param value The value to be transformed.
* @return The transformed value.
*/
protected Object transformValue(String key, Object value) {
if (value instanceof String) {
value = StringHelper.squeeze((String)value, false);
}
return value;
}
}