net.sf.jasperreports.engine.json.expression.member.ArraySliceExpression Maven / Gradle / Ivy
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2018 TIBCO Software Inc. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JasperReports is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with JasperReports. If not, see .
*/
package net.sf.jasperreports.engine.json.expression.member;
import net.sf.jasperreports.engine.json.JsonNodeContainer;
import net.sf.jasperreports.engine.json.expression.member.evaluation.MemberExpressionEvaluatorVisitor;
/**
* @author Narcis Marcu ([email protected])
*/
public class ArraySliceExpression extends AbstractMemberExpression {
private Integer start, end;
public ArraySliceExpression(DIRECTION direction, Integer start, Integer end) {
this.start = start;
this.end = end;
setDirection(direction);
}
@Override
public JsonNodeContainer evaluate(JsonNodeContainer nodeContainer, MemberExpressionEvaluatorVisitor evaluator) {
return evaluator.evaluateArraySlice(this, nodeContainer);
}
public Integer getStart() {
return start;
}
public Integer getEnd() {
return end;
}
@Override
public String toString() {
String result = getDirection() + " [" + (start != null ? start : "START") + ":" + (end != null ? end : "END") + "]";
if (getFilterExpression() != null) {
result += "(" + getFilterExpression() + ")";
}
return result;
}
}