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Use Arrays.copyOf()

This commit is contained in:
Gary Gregory 2022-12-28 16:20:57 -05:00
parent 575d2c6a40
commit 1fb9183c70
1 changed files with 2 additions and 3 deletions
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5
src/main/java/org/apache/commons/collections4/map/CompositeMap.java
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@ -17,6 +17,7 @@
package org.apache.commons.collections4.map; package org.apache.commons.collections4.map;
import java.io.Serializable; import java.io.Serializable;
import java.util.Arrays;
import java.util.Collection; import java.util.Collection;
import java.util.Map; import java.util.Map;
import java.util.Set; import java.util.Set;
@ -132,7 +133,6 @@ public class CompositeMap<K, V> extends AbstractIterableMap<K, V> implements Ser
* @throws IllegalArgumentException if there is a key collision and there is no * @throws IllegalArgumentException if there is a key collision and there is no
* MapMutator set to handle it. * MapMutator set to handle it.
*/ */
@SuppressWarnings("unchecked")
public synchronized void addComposited(final Map<K, V> map) throws IllegalArgumentException { public synchronized void addComposited(final Map<K, V> map) throws IllegalArgumentException {
if (map != null) { if (map != null) {
for (int i = composite.length - 1; i >= 0; --i) { for (int i = composite.length - 1; i >= 0; --i) {
@ -144,8 +144,7 @@ public class CompositeMap<K, V> extends AbstractIterableMap<K, V> implements Ser
this.mutator.resolveCollision(this, this.composite[i], map, intersect); this.mutator.resolveCollision(this, this.composite[i], map, intersect);
} }
} }
final Map<K, V>[] temp = new Map[this.composite.length + 1]; final Map<K, V>[] temp = Arrays.copyOf(this.composite, this.composite.length + 1);
System.arraycopy(this.composite, 0, temp, 0, this.composite.length);
temp[temp.length - 1] = map; temp[temp.length - 1] = map;
this.composite = temp; this.composite = temp;
} }