From 5e5c5075b96aed1080984814de0e7c6ed1ffa637 Mon Sep 17 00:00:00 2001
From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?=
 <bombe@pterodactylus.net>
Date: Mon, 19 Jan 2009 21:57:49 +0100
Subject: [PATCH] Add jkeytool application core.

---
 src/net/pterodactylus/jkeytool/core/Core.java | 133 ++++++++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 src/net/pterodactylus/jkeytool/core/Core.java

diff --git a/src/net/pterodactylus/jkeytool/core/Core.java b/src/net/pterodactylus/jkeytool/core/Core.java
new file mode 100644
index 0000000..44fc7bb
--- /dev/null
+++ b/src/net/pterodactylus/jkeytool/core/Core.java
@@ -0,0 +1,133 @@
+/*
+ * jkeytool - Core.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.core;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.security.KeyStore;
+import java.security.KeyStoreException;
+import java.security.NoSuchAlgorithmException;
+import java.security.cert.CertificateException;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * The jkeytool core.
+ *
+ * @author David Roden &lt;droden@gmail.com&gt;
+ */
+public class Core {
+
+	/** Support for {@link CoreListener}s. */
+	private CoreListenerSupport coreListenerSupport = new CoreListenerSupport(this);
+
+	/** All loaded keystores. */
+	private Set<KeyStore> keyStores = new HashSet<KeyStore>();
+
+	//
+	// EVENT MANAGEMENT
+	//
+
+	/**
+	 * Adds a core listener to the list of registered listeners.
+	 *
+	 * @param coreListener
+	 *            The listener to add
+	 */
+	public void addCoreListener(CoreListener coreListener) {
+		coreListenerSupport.addListener(coreListener);
+	}
+
+	/**
+	 * Removes a core listener from the list of registered listeners.
+	 *
+	 * @param coreListener
+	 *            The listener to remove
+	 */
+	public void removeCoreListener(CoreListener coreListener) {
+		coreListenerSupport.removeListener(coreListener);
+	}
+
+	//
+	// ACCESSORS
+	//
+
+	//
+	// ACTIONS
+	//
+
+	/**
+	 * Loads a keystore from the given file. This method will fire either a
+	 * {@link CoreListener#keyStoreLoaded(File, KeyStore)} or a
+	 * {@link CoreListener#keyStoreNotLoaded(File)} event, depending on whether
+	 * the loading succeeded or failed.
+	 *
+	 * @param keyStoreFile
+	 *            The file to load the keystore from
+	 */
+	public void loadKeyStore(File keyStoreFile) {
+		KeyStore keyStore = loadKeyStore(keyStoreFile, "PKCS12");
+		if (keyStore == null) {
+			keyStore = loadKeyStore(keyStoreFile, "JKS");
+		}
+		if (keyStore == null) {
+			coreListenerSupport.fireKeyStoreNotLoaded(keyStoreFile);
+			return;
+		}
+		coreListenerSupport.fireKeyStoreLoaded(keyStoreFile, keyStore);
+	}
+
+	//
+	// PRIVATE METHODS
+	//
+
+	/**
+	 * Loads a keystore from the given file, trying to parse it as a keystore of
+	 * the given type.
+	 *
+	 * @param keyStoreFile
+	 *            The file to read the keystore from
+	 * @param type
+	 *            The type of the keystore
+	 * @return The loaded keystore, or <code>null</code> if the keystore could
+	 *         not be loaded
+	 */
+	private KeyStore loadKeyStore(File keyStoreFile, String type) {
+		FileInputStream keyStoreFileInputStream = null;
+		try {
+			KeyStore keyStore = KeyStore.getInstance(type);
+			keyStoreFileInputStream = new FileInputStream(keyStoreFile);
+			keyStore.load(keyStoreFileInputStream, null);
+			keyStores.add(keyStore);
+			return keyStore;
+		} catch (IOException ioe1) {
+			/* swallow. */
+		} catch (KeyStoreException kse1) {
+			/* swallow. */
+		} catch (NoSuchAlgorithmException nsae1) {
+			/* swallow. */
+		} catch (CertificateException ce1) {
+			/* swallow. */
+		}
+		return null;
+	}
+
+}
-- 
2.7.4