1 files changed, 159 insertions, 0 deletions
diff --git a/pki/base/common/src/com/netscape/cmscore/extensions/CMSExtensionsMap.java b/pki/base/common/src/com/netscape/cmscore/extensions/CMSExtensionsMap.java
new file mode 100644
index 000000000..aceb6f1bf
--- /dev/null
+++ b/pki/base/common/src/com/netscape/cmscore/extensions/CMSExtensionsMap.java
@@ -0,0 +1,159 @@
+// --- BEGIN COPYRIGHT BLOCK ---
+// 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; version 2 of the License.
+//
+// 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.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// (C) 2007 Red Hat, Inc.
+// All rights reserved.
+// --- END COPYRIGHT BLOCK ---
+package com.netscape.cmscore.extensions;
+
+
+import java.util.Hashtable;
+import java.util.Enumeration;
+
+import netscape.security.x509.Extension;
+import netscape.security.util.ObjectIdentifier;
+
+import com.netscape.certsrv.base.IConfigStore;
+import com.netscape.certsrv.base.EBaseException;
+import com.netscape.certsrv.base.ISubsystem;
+import com.netscape.certsrv.apps.CMS;
+import com.netscape.certsrv.extensions.*;
+
+
+/** 
+ * Loads extension classes from configuration file and return 
+ * for a given extension name or OID.
+ */
+public class CMSExtensionsMap implements ISubsystem {
+    public static String ID = "extensions";
+
+    private static CMSExtensionsMap mInstance = new CMSExtensionsMap();
+
+    public static final CMSExtensionsMap getInstance() {
+        return mInstance;
+    }
+
+    private CMSExtensionsMap() {
+    }
+
+    private static final String PROP_CLASS = "class";
+
+    private Hashtable mName2Ext = new Hashtable();
+    private Hashtable mOID2Ext = new Hashtable();
+    private ISubsystem mOwner = null;
+    private IConfigStore mConfig = null;
+
+    /**
+     * Create extensions from configuration store.
+     * @param config the configuration store.
+     */
+    public void init(ISubsystem owner, IConfigStore config) 
+        throws EBaseException {
+        mOwner = owner;
+        mConfig = config;
+
+        Enumeration sstores = mConfig.getSubStoreNames();
+
+        while (sstores.hasMoreElements()) {
+            String name = (String) sstores.nextElement();
+            IConfigStore c = mConfig.getSubStore(name);
+
+            String className = c.getString(PROP_CLASS);
+            ICMSExtension ext = null;
+
+            try {
+                ext = (ICMSExtension) Class.forName(className).newInstance();
+                ext.init(this, c);
+                addExt(ext);
+            } catch (ClassNotFoundException e) {
+                throw new EExtensionsException(
+                        CMS.getUserMessage("CMS_EXTENSION_CLASS_NOT_FOUND", className));
+            } catch (IllegalAccessException e) {
+                throw new EExtensionsException(
+                        CMS.getUserMessage("CMS_EXTENSION_INSTANTIATE_ERROR",
+                        className, e.toString()));
+            } catch (InstantiationException e) {
+                throw new EExtensionsException(
+                        CMS.getUserMessage("CMS_EXTENSION_INSTANTIATE_ERROR",
+                        className, e.toString()));
+            } catch (ClassCastException e) {
+                throw new EExtensionsException(
+                        CMS.getUserMessage("CMS_EXTENSION_INVALID_IMPL", className));
+            }
+        }
+    }
+
+    public void addExt(ICMSExtension ext) throws EBaseException {
+        String name = ext.getName();
+        ObjectIdentifier oid = ext.getOID();
+
+        if (name == null || oid == null) {
+            throw new EExtensionsException(
+                    CMS.getUserMessage("CMS_EXTENSION_INCORRECT_IMPL",
+                    ext.getClass().getName()));
+        }
+        mName2Ext.put(name, ext);
+        mOID2Ext.put(oid.toString(), ext);
+    }
+
+    /**
+     * startup - does nothing.
+     */
+    public void startup() throws EBaseException {
+    }
+
+    /**
+     * shutdown - does nothing.
+     */
+    public void shutdown() {
+    }
+
+    /**
+     * Get configuration store. 
+     */
+    public IConfigStore getConfigStore() {
+        return mConfig;
+    }
+
+    /**
+     * Returns subsystem ID 
+     */
+    public String getId() {
+        return ID;
+    }
+
+    /**
+     * sets subsystem ID 
+     */
+    public void setId(String Id) {
+    }
+
+    /**
+     * Get the extension class by name.
+     * @param name name of the extension
+     * @return the extension class. 
+     */
+    public ICMSExtension getByName(String name) {
+        return (ICMSExtension) mName2Ext.get(name);
+    }
+
+    /**
+     * Get the extension class by its OID.
+     * @param oid - the OID of the extension.
+     * @return the extension class.
+     */
+    public ICMSExtension getByOID(ObjectIdentifier oid) {
+        return (ICMSExtension) mOID2Ext.get(oid.toString());
+    }
+}