diff options
Diffstat (limited to 'libjava/classpath/javax/security/auth/callback/NameCallback.java')
-rw-r--r-- | libjava/classpath/javax/security/auth/callback/NameCallback.java | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/libjava/classpath/javax/security/auth/callback/NameCallback.java b/libjava/classpath/javax/security/auth/callback/NameCallback.java new file mode 100644 index 000000000..4b8bf1c69 --- /dev/null +++ b/libjava/classpath/javax/security/auth/callback/NameCallback.java @@ -0,0 +1,178 @@ +/* NameCallback.java -- callback for user names. + Copyright (C) 2003, Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package javax.security.auth.callback; + +import java.io.Serializable; + +/** + * Underlying security services instantiate and pass a <code>NameCallback</code> + * to the <code>handle()</code> method of a {@link CallbackHandler} to retrieve + * name information. + * + * @see CallbackHandler + */ +public class NameCallback implements Callback, Serializable +{ + + // Constants and variables + // ------------------------------------------------------------------------- + + /** + * @serial + * @since 1.4 + */ + private String prompt; + + /** + * @serial + * @since 1.4 + */ + private String defaultName; + + /** + * @serial + * @since 1.4 + */ + private String inputName; + + // Constructor(s) + // ------------------------------------------------------------------------- + + /** + * Construct a <code>NameCallback</code> with a prompt. + * + * @param prompt the prompt used to request the name. + * @throws IllegalArgumentException if <code>prompt</code> is <code>null</code> + * or if <code>prompt</code> has a length of <code>0</code>. + */ + public NameCallback(String prompt) + { + super(); + + setPrompt(prompt); + } + + /** + * Construct a <code>NameCallback</code> with a prompt and default name. + * + * @param prompt the prompt used to request the information. + * @param defaultName the name to be used as the default name displayed with + * the prompt. + * @throws IllegalArgumentException if <code>prompt</code> is <code>null</code> + * or if <code>prompt</code> has a length of <code>0</code>, if + * <code>defaultName</code> is <code>null</code>, or if <code>defaultName</code> + * has a length of <code>0</code>. + */ + public NameCallback(String prompt, String defaultName) + throws IllegalArgumentException + { + super(); + + setPrompt(prompt); + setDefaultName(defaultName); + } + + // Class methods + // ------------------------------------------------------------------------- + + // Instance methods + // ------------------------------------------------------------------------- + + /** + * Get the prompt. + * + * @return the prompt. + */ + public String getPrompt() + { + return prompt; + } + + /** + * Get the default name. + * + * @return the default name, or <code>null</code> if this + * <code>NameCallback</code> was not instantiated with a + * <code>defaultName</code>. + */ + public String getDefaultName() + { + return defaultName; + } + + /** + * Set the retrieved name. + * + * @param name the retrieved name (which may be <code>null</code>). + * @see #getName() + */ + public void setName(String name) + { + this.inputName = name; + } + + /** + * Get the retrieved name. + * + * @return the retrieved name (which may be <code>null</code>) + * @see #setName(String) + */ + public String getName() + { + return inputName; + } + + private void setPrompt(String prompt) throws IllegalArgumentException + { + if ((prompt == null) || (prompt.length() == 0)) + { + throw new IllegalArgumentException("invalid prompt"); + } + this.prompt = prompt; + } + + private void setDefaultName(String defaultName) throws IllegalArgumentException + { + if ((defaultName == null) || (defaultName.length() == 0)) + { + throw new IllegalArgumentException("invalid default name"); + } + this.defaultName = defaultName; + } +} |