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IntArray.java
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/*
* #%L
* SciJava Common shared library for SciJava software.
* %%
* Copyright (C) 2009 - 2023 SciJava developers.
* %%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. 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.
*
* 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 HOLDERS 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.
* #L%
*/
package org.scijava.util;
import java.util.Collection;
/**
* An extensible array of {@code int} elements.
*
* @author Johannes Schindelin
* @author Curtis Rueden
*/
public class IntArray extends AbstractPrimitiveArray<int[], Integer> {
/** The backing array. */
private int[] array;
/**
* Constructs an extensible array of ints, backed by a fixed-size array.
*/
public IntArray() {
super(Integer.TYPE);
}
/**
* Constructs an extensible array of ints, backed by a fixed-size array.
*
* @param size the initial size
*/
public IntArray(final int size) {
super(Integer.TYPE, size);
}
/**
* Constructs an extensible array of ints, backed by the given fixed-size
* array.
*
* @param array the array to wrap
*/
public IntArray(final int[] array) {
super(Integer.TYPE, array);
}
// -- IntArray methods --
public void addValue(final int value) {
addValue(size(), value);
}
public boolean removeValue(final int value) {
final int index = indexOf(value);
if (index < 0) return false;
delete(index, 1);
return true;
}
public int getValue(final int index) {
checkBounds(index);
return array[index];
}
public int setValue(final int index, final int value) {
checkBounds(index);
final int oldValue = getValue(index);
array[index] = value;
return oldValue;
}
public void addValue(final int index, final int value) {
insert(index, 1);
array[index] = value;
}
public int indexOf(final int value) {
for (int i = 0; i < size(); i++) {
if (array[i] == value) return i;
}
return -1;
}
public int lastIndexOf(final int value) {
for (int i = size() - 1; i >= 0; i--) {
if (array[i] == value) return i;
}
return -1;
}
public boolean contains(final int value) {
return indexOf(value) >= 0;
}
// -- PrimitiveArray methods --
@Override
public int[] getArray() {
return array;
}
@Override
public void setArray(final int[] array) {
if (array.length < size()) {
throw new IllegalArgumentException("Array too small");
}
this.array = array;
}
// -- List methods --
@Override
public Integer get(final int index) {
return getValue(index);
}
@Override
public Integer set(final int index, final Integer element) {
return setValue(index, element == null ? defaultValue() : element);
}
@Override
public void add(final int index, final Integer element) {
addValue(index, element);
}
// NB: Overridden for performance.
@Override
public int indexOf(final Object o) {
if (!(o instanceof Integer)) return -1;
final int value = (Integer) o;
return indexOf(value);
}
// NB: Overridden for performance.
@Override
public int lastIndexOf(final Object o) {
if (!(o instanceof Integer)) return -1;
final int value = (Integer) o;
return lastIndexOf(value);
}
// -- Collection methods --
// NB: Overridden for performance.
@Override
public boolean contains(final Object o) {
if (!(o instanceof Integer)) return false;
final int value = (Integer) o;
return contains(value);
}
// NB: Overridden for performance.
@Override
public boolean remove(final Object o) {
if (!(o instanceof Integer)) return false;
final int value = (Integer) o;
return removeValue(value);
}
// NB: Overridden for performance.
@Override
public boolean containsAll(final Collection<?> c) {
for (final Object o : c) {
if (!(o instanceof Integer)) return false;
final int value = (Integer) o;
if (indexOf(value) < 0) return false;
}
return true;
}
// NB: Overridden for performance.
@Override
public boolean addAll(final int index, final Collection<? extends Integer> c)
{
if (c.size() == 0) return false;
insert(index, c.size());
int i = index;
for (final int e : c) {
setValue(i++, e);
}
return true;
}
// NB: Overridden for performance.
@Override
public boolean removeAll(final Collection<?> c) {
boolean changed = false;
for (final Object o : c) {
if (!(o instanceof Integer)) continue;
final int value = (Integer) o;
final boolean result = removeValue(value);
if (result) changed = true;
}
return changed;
}
@Override
public Integer defaultValue() {
return 0;
}
}