com.amihaiemil.eoyaml.Backwards Maven / Gradle / Ivy
/**
* Copyright (c) 2016-2023, Mihai Emil Andronache
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
package com.amihaiemil.eoyaml;
import java.util.*;
/**
* YamlLines which are being iterated backwards.
* @author Mihai Andronache ([email protected])
* @version $Id: 8c9f71d44cb4da1fd54ecce6c6fbe7a8d0ea5d25 $
* @since 4.2.0
*/
final class Backwards implements YamlLines {
/**
* YamlLines.
*/
private final YamlLines lines;
/**
* Ctor.
* @param lines The Yaml lines.
*/
Backwards(final YamlLines lines) {
this.lines = lines;
}
@Override
public Collection original() {
return this.lines.original();
}
@Override
public YamlNode toYamlNode(final YamlLine prev) {
return this.lines.toYamlNode(prev);
}
@Override
public Iterator iterator() {
final List original = new ArrayList<>();
for(final YamlLine line : this.lines) {
original.add(line);
}
Collections.reverse(original);
return original.iterator();
}
}