org.apache.cxf.staxutils.FastStack Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.cxf.staxutils;
import java.util.ArrayList;
import java.util.EmptyStackException;
public class FastStack extends ArrayList {
private static final long serialVersionUID = -6459503295618120689L;
public void push(T o) {
add(o);
}
public T pop() {
if (empty()) {
throw new EmptyStackException();
}
return remove(size() - 1);
}
public boolean empty() {
return size() == 0;
}
public T peek() {
if (empty()) {
throw new EmptyStackException();
}
return get(size() - 1);
}
}