mirror of git://gcc.gnu.org/git/gcc.git
141 lines
4.3 KiB
Java
141 lines
4.3 KiB
Java
/* TextOutputCallback.java -- callback for text output.
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Copyright (C) 2003 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.security.auth.callback;
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import java.io.Serializable;
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/**
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* <p>Underlying security services instantiate and pass a
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* <code>TextOutputCallback</code> to the <code>handle()</code> method of a
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* {@link CallbackHandler} to display information messages, warning messages and
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* error messages.</p>
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*
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* @see CallbackHandler
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*/
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public class TextOutputCallback implements Callback, Serializable
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{
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// Constants and variables
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// -------------------------------------------------------------------------
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/** Information message */
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public static final int INFORMATION = 0;
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/** Warning message */
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public static final int WARNING = 1;
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/** Error message */
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public static final int ERROR = 2;
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/**
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* @serial
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* @since 1.4
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*/
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private int messageType;
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/**
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* @serial
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* @since 1.4
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*/
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private String message;
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// Constructor(s)
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// -------------------------------------------------------------------------
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/**
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* <p>Construct a <code>TextOutputCallback</code> with a message type and
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* message to be displayed.</p>
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*
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* @param messageType the message type (INFORMATION, WARNING or ERROR).
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* @param message the message to be displayed.
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* @throws IllegalArgumentException if <code>messageType</code> is not either
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* <code>INFORMATION</code>, <code>WARNING</code> or <code>ERROR</code>, if
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* <code>message</code> is <code>null</code>, or if <code>message</code> has
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* a length of <code>0</code>.
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*/
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public TextOutputCallback(int messageType, String message)
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throws IllegalArgumentException
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{
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switch (messageType)
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{
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case INFORMATION:
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case WARNING:
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case ERROR: this.messageType = messageType; break;
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default: throw new IllegalArgumentException("invalid message type");
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}
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setMessage(message);
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}
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// Class methods
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// -------------------------------------------------------------------------
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// Instance methods
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// -------------------------------------------------------------------------
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/**
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* <p>Returns the message's <code>messageType</code>.</p>
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*
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* @return the message type (INFORMATION, WARNING or ERROR).
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*/
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public int getMessageType()
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{
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return messageType;
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}
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/**
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* <p>Returns the <code>message</code> to be displayed.</p>
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*
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* @return the message to be displayed.
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*/
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public String getMessage()
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{
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return message;
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}
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private void setMessage(String message) throws IllegalArgumentException
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{
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if ((message == null) || (message.length() == 0))
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{
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throw new IllegalArgumentException("invalid message");
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}
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this.message = message;
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}
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}
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