| /* |
| * 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.openejb.util; |
| |
| import java.io.Externalizable; |
| import java.io.IOException; |
| import java.io.ObjectInput; |
| import java.io.ObjectOutput; |
| import java.util.Enumeration; |
| import java.util.NoSuchElementException; |
| import java.util.Set; |
| import java.util.Vector; |
| |
| public final class ArrayEnumeration implements Enumeration, Externalizable { |
| static final long serialVersionUID = -1194966576855523042L; |
| |
| private Object[] elements; |
| private int elementsIndex; |
| |
| public ArrayEnumeration(Vector elements) { |
| this.elements = new Object[elements.size()]; |
| elements.copyInto(this.elements); |
| } |
| |
| public ArrayEnumeration(java.util.List list) { |
| this.elements = new Object[list.size()]; |
| list.toArray(this.elements); |
| } |
| |
| public ArrayEnumeration(Set<?> set) { |
| this.elements = new Object[set.size()]; |
| set.toArray(this.elements); |
| } |
| |
| public ArrayEnumeration() { |
| } |
| |
| public java.lang.Object get(int index) { |
| return elements[index]; |
| } |
| |
| public void set(int index, java.lang.Object o) { |
| elements[index] = o; |
| } |
| |
| public int size() { |
| return elements.length; |
| } |
| |
| public boolean hasMoreElements() { |
| return (elementsIndex < elements.length); |
| } |
| |
| public Object nextElement() { |
| if (!hasMoreElements()) throw new NoSuchElementException("No more elements exist"); |
| return elements[elementsIndex++]; |
| } |
| |
| public void writeExternal(ObjectOutput out) throws IOException { |
| out.writeInt(elements.length); |
| out.writeInt(elementsIndex); |
| for (int i = 0; i < elements.length; i++) { |
| out.writeObject(elements[i]); |
| } |
| } |
| |
| public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { |
| elements = new Object[in.readInt()]; |
| elementsIndex = in.readInt(); |
| for (int i = 0; i < elements.length; i++) { |
| elements[i] = in.readObject(); |
| } |
| } |
| |
| } |
| |