Add base class for panels that display a key store.

diff --git a/src/net/pterodactylus/jkeytool/gui/AbstractKeyStorePanel.java b/src/net/pterodactylus/jkeytool/gui/AbstractKeyStorePanel.java
new file mode 100644 (file)
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+++ b/src/net/pterodactylus/jkeytool/gui/AbstractKeyStorePanel.java
@@ -0,0 +1,87 @@
+/*
+ * jkeytool - KeystoreWindow.java -
+ * Copyright © 2009 David Roden
+ *
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+package net.pterodactylus.jkeytool.gui;
+
+import java.awt.BorderLayout;
+import java.security.KeyStore;
+
+import javax.swing.JPanel;
+
+/**
+ * A {@link JPanel} that displays all key store entries and information about
+ * them.
+ *
+ * @author David Roden <droden@gmail.com>
+ */
+public abstract class AbstractKeyStorePanel extends JPanel {
+
+       /** The key store. */
+       protected final KeyStore keyStore;
+
+       /**
+        * Creates a new key store panel.
+        *
+        * @param keyStore
+        *            The key store to display
+        */
+       protected AbstractKeyStorePanel(KeyStore keyStore) {
+               super(new BorderLayout());
+               this.keyStore = keyStore;
+       }
+
+       //
+       // SUBCLASS METHODS
+       //
+
+       /**
+        * Creates the panel that lets the user select a key store entry and adds it
+        * to this key store panel. The created panel should be placed in the
+        * {@link BorderLayout#WEST} or {@link BorderLayout#NORTH} area of the key
+        * store panel.
+        */
+       protected abstract void createEntryPanel();
+
+       //
+       // PROTECTED METHODS
+       //
+
+       /**
+        * Called by a subclass when a key store entry has been selected.
+        *
+        * @param alias
+        *            The selected key store entry alias, or <code>null</code> if no
+        *            entry has been selected or the selection has been cleared
+        */
+       protected void selectedEntry(String alias) {
+               System.out.println(alias);
+       }
+
+       /**
+        * Creates the content panels.
+        */
+       protected void construct() {
+               createEntryPanel();
+       }
+
+       //
+       // PRIVATE METHODS
+       //
+
+}