com.fitbur.assertj.util.diff.DeleteDelta Maven / Gradle / Ivy
/**
* 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.
*
* Copyright 2012-2016 the original author or authors.
*/
package com.fitbur.assertj.util.diff;
import java.util.List;
/**
* Initially copied from https://code.google.com/p/java-diff-utils/.
*
* Describes the delete-delta between original and revised texts.
*
* @author Dmitry Naumenko
* @param The type of the compared elements in the 'lines'.
*/
public class DeleteDelta extends Delta {
/**
* Creates a change delta with the two given chunks.
*
* @param original
* The original chunk. Must not be {@code null}.
* @param revised
* The original chunk. Must not be {@code null}.
*/
public DeleteDelta(Chunk original, Chunk revised) {
super(original, revised);
}
/**
* {@inheritDoc}
*
* @throws IllegalStateException
*/
@Override
public void applyTo(List target) throws IllegalStateException {
verify(target);
int position = getOriginal().getPosition();
int size = getOriginal().size();
for (int i = 0; i < size; i++) {
target.remove(position);
}
}
@Override
public TYPE getType() {
return Delta.TYPE.DELETE;
}
@Override
public void verify(List target) throws IllegalStateException {
getOriginal().verify(target);
}
@Override
public String toString() {
return String.format("Missing content at line %s:%n %s%n", lineNumber(), formatLines(getOriginal().getLines()));
}
}