io.cucumber.datatable.dependency.difflib.Chunk Maven / Gradle / Ivy
/*
Copyright 2010 Dmitry Naumenko ([email protected])
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 io.cucumber.datatable.dependency.difflib;
import java.util.Arrays;
import java.util.List;
/**
* Holds the information about the part of text involved in the diff process
*
*
* Text is represented as Object[] because the diff engine is
* capable of handling more than plain ascci. In fact, arrays or lists of any
* type that implements {@link java.lang.Object#hashCode hashCode()} and
* {@link java.lang.Object#equals equals()} correctly can be subject to
* differencing using this library.
*
*
* @author target size");
}
for (int i = 0; i < size(); i++) {
if (!target.get(position + i).equals(lines.get(i))) {
throw new PatchFailedException(
"Incorrect Chunk: the chunk content doesn't match the target");
}
}
}
/**
* @return the start position of chunk in the text
*/
public int getPosition() {
return position;
}
public void setLines(List lines) {
this.lines = lines;
}
/**
* @return the affected lines
*/
public List getLines() {
return lines;
}
public int size() {
return lines.size();
}
/**
* Returns the index of the last line of the chunk.
*/
public int last() {
return getPosition() + size() - 1;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((lines == null) ? 0 : lines.hashCode());
result = prime * result + position;
result = prime * result + size();
return result;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
Chunk other = (Chunk) obj;
if (lines == null) {
if (other.lines != null)
return false;
} else if (!lines.equals(other.lines))
return false;
if (position != other.position)
return false;
return true;
}
@Override
public String toString() {
return "[position: " + position + ", size: " + size() + ", lines: " + lines + "]";
}
}