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| 1 | /* | ||
| 2 | * Copyright (c) 1999, 2003, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package javax.security.auth.callback; | ||
| 27 | |||
| 28 | /** | ||
| 29 | * <p> Underlying security services instantiate and pass a | ||
| 30 | * <code>TextInputCallback</code> to the <code>handle</code> | ||
| 31 | * method of a <code>CallbackHandler</code> to retrieve generic text | ||
| 32 | * information. | ||
| 33 | * | ||
| 34 | * @see javax.security.auth.callback.CallbackHandler | ||
| 35 | */ | ||
| 36 | public class TextInputCallback implements Callback, java.io.Serializable { | ||
| 37 | |||
| 38 | private static final long serialVersionUID = -8064222478852811804L; | ||
| 39 | |||
| 40 | /** | ||
| 41 | * @serial | ||
| 42 | * @since 1.4 | ||
| 43 | */ | ||
| 44 | private String prompt; | ||
| 45 | /** | ||
| 46 | * @serial | ||
| 47 | * @since 1.4 | ||
| 48 | */ | ||
| 49 | private String defaultText; | ||
| 50 | /** | ||
| 51 | * @serial | ||
| 52 | * @since 1.4 | ||
| 53 | */ | ||
| 54 | private String inputText; | ||
| 55 | |||
| 56 | /** | ||
| 57 | * Construct a <code>TextInputCallback</code> with a prompt. | ||
| 58 | * | ||
| 59 | * <p> | ||
| 60 | * | ||
| 61 | * @param prompt the prompt used to request the information. | ||
| 62 | * | ||
| 63 | * @exception IllegalArgumentException if <code>prompt</code> is null | ||
| 64 | * or if <code>prompt</code> has a length of 0. | ||
| 65 | */ | ||
| 66 | public TextInputCallback(String prompt) { | ||
| 67 | if (prompt == null || prompt.length() == 0) | ||
| 68 | throw new IllegalArgumentException(); | ||
| 69 | this.prompt = prompt; | ||
| 70 | } | ||
| 71 | |||
| 72 | /** | ||
| 73 | * Construct a <code>TextInputCallback</code> with a prompt | ||
| 74 | * and default input value. | ||
| 75 | * | ||
| 76 | * <p> | ||
| 77 | * | ||
| 78 | * @param prompt the prompt used to request the information. <p> | ||
| 79 | * | ||
| 80 | * @param defaultText the text to be used as the default text displayed | ||
| 81 | * with the prompt. | ||
| 82 | * | ||
| 83 | * @exception IllegalArgumentException if <code>prompt</code> is null, | ||
| 84 | * if <code>prompt</code> has a length of 0, | ||
| 85 | * if <code>defaultText</code> is null | ||
| 86 | * or if <code>defaultText</code> has a length of 0. | ||
| 87 | */ | ||
| 88 | public TextInputCallback(String prompt, String defaultText) { | ||
| 89 | if (prompt == null || prompt.length() == 0 || | ||
| 90 | defaultText == null || defaultText.length() == 0) | ||
| 91 | throw new IllegalArgumentException(); | ||
| 92 | |||
| 93 | this.prompt = prompt; | ||
| 94 | this.defaultText = defaultText; | ||
| 95 | } | ||
| 96 | |||
| 97 | /** | ||
| 98 | * Get the prompt. | ||
| 99 | * | ||
| 100 | * <p> | ||
| 101 | * | ||
| 102 | * @return the prompt. | ||
| 103 | */ | ||
| 104 | public String getPrompt() { | ||
| 105 | return prompt; | ||
| 106 | } | ||
| 107 | |||
| 108 | /** | ||
| 109 | * Get the default text. | ||
| 110 | * | ||
| 111 | * <p> | ||
| 112 | * | ||
| 113 | * @return the default text, or null if this <code>TextInputCallback</code> | ||
| 114 | * was not instantiated with <code>defaultText</code>. | ||
| 115 | */ | ||
| 116 | public String getDefaultText() { | ||
| 117 | return defaultText; | ||
| 118 | } | ||
| 119 | |||
| 120 | /** | ||
| 121 | * Set the retrieved text. | ||
| 122 | * | ||
| 123 | * <p> | ||
| 124 | * | ||
| 125 | * @param text the retrieved text, which may be null. | ||
| 126 | * | ||
| 127 | * @see #getText | ||
| 128 | */ | ||
| 129 | public void setText(String text) { | ||
| 130 | this.inputText = text; | ||
| 131 | } | ||
| 132 | |||
| 133 | /** | ||
| 134 | * Get the retrieved text. | ||
| 135 | * | ||
| 136 | * <p> | ||
| 137 | * | ||
| 138 | * @return the retrieved text, which may be null. | ||
| 139 | * | ||
| 140 | * @see #setText | ||
| 141 | */ | ||
| 142 | public String getText() { | ||
| 143 | return inputText; | ||
| 144 | } | ||
| 145 | } | ||