FELIX-11 Implement Configuration Admin (Initial Checkin)
git-svn-id: https://svn.apache.org/repos/asf/incubator/felix/trunk@527592 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/configadmin/src/main/java/org/apache/felix/cm/impl/PersistenceManagerProxy.java b/configadmin/src/main/java/org/apache/felix/cm/impl/PersistenceManagerProxy.java
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.felix.cm.impl;
+
+
+import java.io.IOException;
+import java.util.Dictionary;
+import java.util.Enumeration;
+
+import org.apache.felix.cm.PersistenceManager;
+
+
+/**
+ * The <code>PersistenceManagerProxy</code> TODO
+ *
+ * @author fmeschbe
+ */
+class PersistenceManagerProxy implements PersistenceManager
+{
+
+ private PersistenceManager delegatee;
+
+
+ PersistenceManagerProxy( PersistenceManager delegatee )
+ {
+ setPersistenceManager( delegatee );
+ }
+
+
+ /**
+ * @param pid
+ * @throws IOException
+ * @see org.apache.felix.cm.PersistenceManager#delete(java.lang.String)
+ */
+ public void delete( String pid ) throws IOException
+ {
+ checkDelegatee();
+ delegatee.delete( pid );
+ }
+
+
+ /**
+ * @param pid
+ * @return
+ * @see org.apache.felix.cm.PersistenceManager#exists(java.lang.String)
+ */
+ public boolean exists( String pid )
+ {
+ return delegatee != null && delegatee.exists( pid );
+ }
+
+
+ /**
+ * @return
+ * @throws IOException
+ * @see org.apache.felix.cm.PersistenceManager#getDictionaries()
+ */
+ public Enumeration getDictionaries() throws IOException
+ {
+ checkDelegatee();
+ return delegatee.getDictionaries();
+ }
+
+
+ /**
+ * @param pid
+ * @return
+ * @throws IOException
+ * @see org.apache.felix.cm.PersistenceManager#load(java.lang.String)
+ */
+ public Dictionary load( String pid ) throws IOException
+ {
+ checkDelegatee();
+ return delegatee.load( pid );
+ }
+
+
+ /**
+ * @param pid
+ * @param properties
+ * @throws IOException
+ * @see org.apache.felix.cm.PersistenceManager#store(java.lang.String, java.util.Dictionary)
+ */
+ public void store( String pid, Dictionary properties ) throws IOException
+ {
+ checkDelegatee();
+ delegatee.store( pid, properties );
+ }
+
+
+ void setPersistenceManager( PersistenceManager delegatee )
+ {
+ this.delegatee = delegatee;
+ }
+
+
+ void checkDelegatee() throws IOException
+ {
+ if ( delegatee == null )
+ {
+ throw new IOException( "PersistenceManager not valid" );
+ }
+ }
+}