1 files changed, 141 insertions, 0 deletions
diff --git a/javax/security/auth/callback/TextOutputCallback.java b/javax/security/auth/callback/TextOutputCallback.java
new file mode 100644
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+++ b/javax/security/auth/callback/TextOutputCallback.java
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+/* TextOutputCallback.java -- callback for text output.
+   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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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;
+
+/**
+ * <p>Underlying security services instantiate and pass a
+ * <code>TextOutputCallback</code> to the <code>handle()</code> method of a
+ * {@link CallbackHandler} to display information messages, warning messages and
+ * error messages.</p>
+ *
+ * @see CallbackHandler
+ * @version $Revision: 1.1 $
+ */
+public class TextOutputCallback implements Callback, Serializable
+{
+
+  // Constants and variables
+  // -------------------------------------------------------------------------
+
+  /** Information message */
+  public static final int INFORMATION = 0;
+
+  /** Warning message */
+  public static final int WARNING = 1;
+
+  /** Error message */
+  public static final int ERROR = 2;
+
+  /**
+   * @serial
+   * @since 1.4
+   */
+  private int messageType;
+
+  /**
+   * @serial
+   * @since 1.4
+   */
+  private String message;
+
+  // Constructor(s)
+  // -------------------------------------------------------------------------
+
+  /**
+   * <p>Construct a <code>TextOutputCallback</code> with a message type and
+   * message to be displayed.</p>
+   *
+   * @param messageType the message type (INFORMATION, WARNING or ERROR).
+   * @param message the message to be displayed.
+   * @throws IllegalArgumentException if <code>messageType</code> is not either
+   * <code>INFORMATION</code>, <code>WARNING</code> or <code>ERROR</code>, if
+   * <code>message</code> is <code>null</code>, or if <code>message</code> has
+   * a length of <code>0</code>.
+   */
+  public TextOutputCallback(int messageType, String message)
+    throws IllegalArgumentException
+  {
+    switch (messageType)
+      {
+      case INFORMATION:
+      case WARNING:
+      case ERROR: this.messageType = messageType; break;
+      default: throw new IllegalArgumentException("invalid message type");
+      }
+
+    setMessage(message);
+  }
+
+  // Class methods
+  // -------------------------------------------------------------------------
+
+  // Instance methods
+  // -------------------------------------------------------------------------
+
+  /**
+   * <p>Returns the message's <code>messageType</code>.</p>
+   *
+   * @return the message type (INFORMATION, WARNING or ERROR).
+   */
+  public int getMessageType()
+  {
+    return messageType;
+  }
+
+  /**
+   * <p>Returns the <code>message</code> to be displayed.</p>
+   *
+   * @return the message to be displayed.
+   */
+  public String getMessage()
+  {
+    return message;
+  }
+
+  private void setMessage(String message) throws IllegalArgumentException
+  {
+    if ((message == null) || (message.length() == 0))
+      {
+	throw new IllegalArgumentException("invalid message");
+      }
+    this.message = message;
+  }
+}