2 * ============LICENSE_START====================================================
4 * ===========================================================================
5 * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
6 * ===========================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END====================================================
22 package org.onap.aaf.auth.batch.helpers;
24 import java.io.BufferedReader;
25 import java.io.IOException;
26 import java.io.PrintStream;
27 import java.util.Iterator;
28 import java.util.NoSuchElementException;
30 public class InputIterator implements Iterable<String> {
31 private BufferedReader in;
32 private final PrintStream out;
33 private final String prompt, instructions;
35 public InputIterator(BufferedReader in, PrintStream out, String prompt, String instructions) {
39 this.instructions = instructions;
43 public Iterator<String> iterator() {
44 out.println(instructions);
45 return new Iterator<String>() {
48 public boolean hasNext() {
51 input = in.readLine();
52 } catch (IOException e) {
56 return input.length()>0;
60 public String next() {
62 throw new NoSuchElementException();
68 public void remove() {