org.jboss.weld.util.collections.Arrays2 Maven / Gradle / Ivy
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* JBoss, Home of Professional Open Source
* Copyright 2008, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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 org.jboss.weld.util.collections;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
/**
* @author pmuir
*/
public final class Arrays2 {
public static final Object[] EMPTY_ARRAY = new Object[0];
public static final Annotation[] EMPTY_ANNOTATION_ARRAY = new Annotation[0];
public static final Type[] EMPTY_TYPE_ARRAY = new Type[0];
public static final Class[] EMPTY_CLASS_ARRAY = new Class[0];
public static final String[] EMPTY_STRING_ARRAY = new String[0];
private Arrays2() {
}
public static boolean containsAll(Object[] array, Object... values) {
return Arrays.asList(array).containsAll(Arrays.asList(values));
}
public static boolean unorderedEquals(Object[] array, Object... values) {
return containsAll(array, values) && array.length == values.length;
}
@SafeVarargs
public static Set asSet(T... array) {
Set result = new HashSet(array.length);
Collections.addAll(result, array);
return result;
}
public static boolean contains(T[] array, T value) {
for (T element : array) {
if (element.equals(value)) {
return true;
}
}
return false;
}
}