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normalized line endings
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Steffen Schaefer committed
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@@ -1,154 +1,154 @@
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/*
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Copyright 2010 Dmitry Naumenko (dm.naumenko@gmail.com)
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package difflib;
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import java.util.Arrays;
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import java.util.List;
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/**
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* Holds the information about the part of text involved in the diff process
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*
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* <p>
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* Text is represented as <code>Object[]</code> because the diff engine is
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* capable of handling more than plain ascci. In fact, arrays or lists of any
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* type that implements {@link java.lang.Object#hashCode hashCode()} and
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* {@link java.lang.Object#equals equals()} correctly can be subject to
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* differencing using this library.
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* </p>
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*
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* @author <a href="dm.naumenko@gmail.com>Dmitry Naumenko</a>
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*/
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public class Chunk<T> {
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private final int position;
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private final List<T> lines;
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/**
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* Creates a chunk and saves a copy of affected lines
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*
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* @param position
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* the start position
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* @param lines
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* the affected lines
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*/
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public Chunk(int position, List<T> lines) {
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this.position = position;
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this.lines = lines;
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}
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/**
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* Creates a chunk and saves a copy of affected lines
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*
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* @param position
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* the start position
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* @param lines
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* the affected lines
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*/
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public Chunk(int position, T[] lines) {
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this.position = position;
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this.lines = Arrays.asList(lines);
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}
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/**
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* Verifies that this chunk's saved text matches the corresponding text in
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* the given sequence.
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*
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* @param target
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* the sequence to verify against.
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*/
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public void verify(List<T> target) throws PatchFailedException {
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if (last() > target.size()) {
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throw new PatchFailedException("Incorrect Chunk: the position of chunk > target size");
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}
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for (int i = 0; i < size(); i++) {
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if (!target.get(position + i).equals(lines.get(i))) {
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throw new PatchFailedException(
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"Incorrect Chunk: the chunk content doesn't match the target");
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}
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}
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}
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/**
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* @return the start position of chunk in the text
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*/
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public int getPosition() {
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return position;
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}
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/**
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* @return the affected lines
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*/
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public List<T> getLines() {
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return lines;
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}
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public int size() {
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return lines.size();
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}
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/**
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* Returns the index of the last line of the chunk.
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*/
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public int last() {
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return getPosition() + size() - 1;
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}
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/*
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* (non-Javadoc)
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*
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* @see java.lang.Object#hashCode()
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*/
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@Override
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public int hashCode() {
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final int prime = 31;
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int result = 1;
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result = prime * result + ((lines == null) ? 0 : lines.hashCode());
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result = prime * result + position;
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result = prime * result + size();
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return result;
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}
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/*
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* (non-Javadoc)
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*
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* @see java.lang.Object#equals(java.lang.Object)
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*/
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@Override
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public boolean equals(Object obj) {
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if (this == obj)
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return true;
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if (obj == null)
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return false;
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if (getClass() != obj.getClass())
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return false;
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@SuppressWarnings("unchecked")
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Chunk<T> other = (Chunk<T>) obj;
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if (lines == null) {
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if (other.lines != null)
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return false;
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} else if (!lines.equals(other.lines))
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return false;
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if (position != other.position)
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return false;
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return true;
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}
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@Override
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public String toString() {
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return "[position: " + position + ", size: " + size() + ", lines: " + lines + "]";
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}
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}
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/*
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Copyright 2010 Dmitry Naumenko (dm.naumenko@gmail.com)
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package difflib;
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import java.util.Arrays;
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import java.util.List;
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/**
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* Holds the information about the part of text involved in the diff process
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*
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* <p>
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* Text is represented as <code>Object[]</code> because the diff engine is
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* capable of handling more than plain ascci. In fact, arrays or lists of any
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* type that implements {@link java.lang.Object#hashCode hashCode()} and
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* {@link java.lang.Object#equals equals()} correctly can be subject to
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* differencing using this library.
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* </p>
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*
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* @author <a href="dm.naumenko@gmail.com>Dmitry Naumenko</a>
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*/
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public class Chunk<T> {
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private final int position;
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private final List<T> lines;
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/**
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* Creates a chunk and saves a copy of affected lines
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*
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* @param position
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* the start position
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* @param lines
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* the affected lines
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*/
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public Chunk(int position, List<T> lines) {
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this.position = position;
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this.lines = lines;
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}
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/**
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* Creates a chunk and saves a copy of affected lines
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*
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* @param position
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* the start position
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* @param lines
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* the affected lines
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*/
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public Chunk(int position, T[] lines) {
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this.position = position;
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this.lines = Arrays.asList(lines);
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}
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/**
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* Verifies that this chunk's saved text matches the corresponding text in
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* the given sequence.
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*
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* @param target
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* the sequence to verify against.
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*/
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public void verify(List<T> target) throws PatchFailedException {
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if (last() > target.size()) {
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throw new PatchFailedException("Incorrect Chunk: the position of chunk > target size");
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}
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for (int i = 0; i < size(); i++) {
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if (!target.get(position + i).equals(lines.get(i))) {
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throw new PatchFailedException(
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"Incorrect Chunk: the chunk content doesn't match the target");
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}
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}
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}
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/**
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* @return the start position of chunk in the text
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*/
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public int getPosition() {
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return position;
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}
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/**
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* @return the affected lines
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*/
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public List<T> getLines() {
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return lines;
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}
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public int size() {
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return lines.size();
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}
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/**
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* Returns the index of the last line of the chunk.
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*/
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public int last() {
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return getPosition() + size() - 1;
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}
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/*
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* (non-Javadoc)
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*
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* @see java.lang.Object#hashCode()
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*/
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@Override
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public int hashCode() {
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final int prime = 31;
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int result = 1;
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result = prime * result + ((lines == null) ? 0 : lines.hashCode());
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result = prime * result + position;
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result = prime * result + size();
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return result;
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}
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/*
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* (non-Javadoc)
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*
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* @see java.lang.Object#equals(java.lang.Object)
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*/
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@Override
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public boolean equals(Object obj) {
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if (this == obj)
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return true;
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if (obj == null)
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return false;
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if (getClass() != obj.getClass())
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return false;
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@SuppressWarnings("unchecked")
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Chunk<T> other = (Chunk<T>) obj;
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if (lines == null) {
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if (other.lines != null)
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return false;
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} else if (!lines.equals(other.lines))
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return false;
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if (position != other.position)
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return false;
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return true;
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}
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@Override
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public String toString() {
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return "[position: " + position + ", size: " + size() + ", lines: " + lines + "]";
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}
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}
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