001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.xbean.finder.archive; 018 019import java.io.IOException; 020import java.io.InputStream; 021import java.util.Iterator; 022 023/** 024* @version $Rev$ $Date$ 025*/ 026public class ArchiveIterator implements Iterator<Archive.Entry> { 027 private final Iterator<String> classes; 028 private final Archive archive; 029 030 public ArchiveIterator(Archive archive, Iterator<String> classes) { 031 this.archive = archive; 032 this.classes = classes; 033 } 034 035 public boolean hasNext() { 036 return classes.hasNext(); 037 } 038 039 public Archive.Entry next() { 040 final String name = classes.next(); 041 return new Archive.Entry() { 042 public String getName() { 043 return name; 044 } 045 046 public InputStream getBytecode() throws IOException { 047 try { 048 return archive.getBytecode(name); 049 } catch (ClassNotFoundException e) { 050 throw new IOException(e); 051 } 052 } 053 }; 054 } 055 056 public void remove() { 057 classes.remove(); 058 } 059}