Clarify overall project structure.

[gpl/argeo-slc.git] / cms / org.argeo.slc.repo / src / org / eclipse / aether / DefaultSessionData.java

diff --git a/cms/org.argeo.slc.repo/src/org/eclipse/aether/DefaultSessionData.java b/cms/org.argeo.slc.repo/src/org/eclipse/aether/DefaultSessionData.java
deleted file mode 100644 (file)
index 738cebc..0000000
--- a/cms/org.argeo.slc.repo/src/org/eclipse/aether/DefaultSessionData.java
+++ /dev/null
@@ -1,82 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2010, 2014 Sonatype, Inc.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *    Sonatype, Inc. - initial API and implementation
- *******************************************************************************/
-package org.eclipse.aether;
-
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.ConcurrentMap;
-
-/**
- * A simple session data storage backed by a thread-safe map.
- */
-public final class DefaultSessionData
-    implements SessionData
-{
-
-    private final ConcurrentMap<Object, Object> data;
-
-    public DefaultSessionData()
-    {
-        data = new ConcurrentHashMap<Object, Object>();
-    }
-
-    public void set( Object key, Object value )
-    {
-        if ( key == null )
-        {
-            throw new IllegalArgumentException( "key must not be null" );
-        }
-
-        if ( value != null )
-        {
-            data.put( key, value );
-        }
-        else
-        {
-            data.remove( key );
-        }
-    }
-
-    public boolean set( Object key, Object oldValue, Object newValue )
-    {
-        if ( key == null )
-        {
-            throw new IllegalArgumentException( "key must not be null" );
-        }
-
-        if ( newValue != null )
-        {
-            if ( oldValue == null )
-            {
-                return data.putIfAbsent( key, newValue ) == null;
-            }
-            return data.replace( key, oldValue, newValue );
-        }
-        else
-        {
-            if ( oldValue == null )
-            {
-                return !data.containsKey( key );
-            }
-            return data.remove( key, oldValue );
-        }
-    }
-
-    public Object get( Object key )
-    {
-        if ( key == null )
-        {
-            throw new IllegalArgumentException( "key must not be null" );
-        }
-
-        return data.get( key );
-    }
-
-}