1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package org.apache.commons.net.nntp; 19 20 import java.util.Iterator; 21 22 /** 23 * Class which wraps an {@code Iterable<String>} of raw newgroup information to generate an {@code Iterable<NewsgroupInfo>} of the parsed information. 24 * 25 * @since 3.0 26 */ 27 class NewsgroupIterator implements Iterator<NewsgroupInfo>, Iterable<NewsgroupInfo> { 28 29 private final Iterator<String> stringIterator; 30 31 public NewsgroupIterator(final Iterable<String> iterableString) { 32 stringIterator = iterableString.iterator(); 33 } 34 35 @Override 36 public boolean hasNext() { 37 return stringIterator.hasNext(); 38 } 39 40 @Override 41 public Iterator<NewsgroupInfo> iterator() { 42 return this; 43 } 44 45 @Override 46 public NewsgroupInfo next() { 47 final String line = stringIterator.next(); 48 return NNTPClient.parseNewsgroupListEntry(line); 49 } 50 51 @Override 52 public void remove() { 53 stringIterator.remove(); 54 } 55 }