org.jsfr.json.path.ArraySlicing Maven / Gradle / Ivy
/*
* MIT License
*
* Copyright (c) 2019 WANG Lingsong
*
* 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 org.jsfr.json.path;
/**
* Created by Leo on 2015/4/1.
*/
public class ArraySlicing extends PathOperator {
private Integer lowerBound;
private Integer upperBound;
protected ArraySlicing(Integer lowerBound, Integer upperBound) {
this.lowerBound = lowerBound;
this.upperBound = upperBound;
}
@Override
public boolean match(PathOperator pathOperator) {
if (!super.match(pathOperator)) {
return false;
}
if (pathOperator instanceof ArrayIndex) {
int index = ((ArrayIndex) pathOperator).getArrayIndex();
if (lowerBound == null && upperBound == null) {
return true;
} else if (lowerBound == null) {
return index < upperBound;
} else if (upperBound == null) {
return index >= lowerBound;
} else {
return lowerBound <= index && index < upperBound;
}
} else {
throw new IllegalStateException("unexpected path operator: " + pathOperator);
}
}
@Override
public Type getType() {
return Type.ARRAY;
}
}