/*
* =============================================================================
*
* Copyright (c) 2011-2016, The THYMELEAF team (http://www.thymeleaf.org)
*
* 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.thymeleaf.engine;
/**
*
* @author Daniel Fernández
*
* @since 3.0.0 (equivalent to the one existing since 1.0)
*
*/
public final class IterationStatusVar {
int index;
Integer size; // it can be null if we don't know the size of the iterated object beforehand!
Object current;
IterationStatusVar() {
super();
}
public int getIndex() {
return this.index;
}
public int getCount() {
return this.index + 1;
}
public boolean hasSize() {
return this.size != null;
}
public Integer getSize() {
return this.size;
}
public Object getCurrent() {
return this.current;
}
public boolean isEven() {
// We start counting in 1 in order to be consistent with :nth-child(odd) and :nth-child(even) CSS selectors
return ((this.index + 1) % 2 == 0);
}
public boolean isOdd() {
return !isEven();
}
public boolean isFirst() {
return (this.index == 0);
}
public boolean isLast() {
return (this.index == this.size - 1);
}
@Override
public String toString() {
return "{index = " + this.index + ", count = " + (this.index + 1) +
", size = " + this.size + ", current = " + (this.current == null? "null" : this.current.toString()) + "}";
}
}