1 files changed, 104 insertions, 0 deletions
diff --git a/jetty-server/src/main/java/org/eclipse/jetty/server/ResourceContentFactory.java b/jetty-server/src/main/java/org/eclipse/jetty/server/ResourceContentFactory.java
new file mode 100644
index 0000000000..2e0edde673
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+++ b/jetty-server/src/main/java/org/eclipse/jetty/server/ResourceContentFactory.java
@@ -0,0 +1,104 @@
+//
+//  ========================================================================
+//  Copyright (c) 1995-2015 Mort Bay Consulting Pty. Ltd.
+//  ------------------------------------------------------------------------
+//  All rights reserved. This program and the accompanying materials
+//  are made available under the terms of the Eclipse Public License v1.0
+//  and Apache License v2.0 which accompanies this distribution.
+//
+//      The Eclipse Public License is available at
+//      http://www.eclipse.org/legal/epl-v10.html
+//
+//      The Apache License v2.0 is available at
+//      http://www.opensource.org/licenses/apache2.0.php
+//
+//  You may elect to redistribute this code under either of these licenses.
+//  ========================================================================
+//
+
+package org.eclipse.jetty.server;
+
+import java.io.IOException;
+
+import org.eclipse.jetty.http.HttpContent;
+import org.eclipse.jetty.http.HttpContent.Factory;
+import org.eclipse.jetty.http.MimeTypes;
+import org.eclipse.jetty.http.ResourceHttpContent;
+import org.eclipse.jetty.util.resource.Resource;
+import org.eclipse.jetty.util.resource.ResourceFactory;
+
+public class ResourceContentFactory implements Factory
+{
+    private final ResourceFactory _factory;
+    private final MimeTypes _mimeTypes;
+    private final int _maxBufferSize;
+    private final boolean _gzip;
+    
+
+    /* ------------------------------------------------------------ */
+    public ResourceContentFactory(ResourceFactory factory, MimeTypes mimeTypes, int maxBufferSize, boolean gzip)
+    {
+        _factory=factory;
+        _mimeTypes=mimeTypes;
+        _maxBufferSize=maxBufferSize;
+        _gzip=gzip;
+    }
+
+    /* ------------------------------------------------------------ */
+    /** Get a Entry from the cache.
+     * Get either a valid entry object or create a new one if possible.
+     *
+     * @param pathInContext The key into the cache
+     * @return The entry matching <code>pathInContext</code>, or a new entry 
+     * if no matching entry was found. If the content exists but is not cachable, 
+     * then a {@link ResourceHttpContent} instance is return. If 
+     * the resource does not exist, then null is returned.
+     * @throws IOException Problem loading the resource
+     */
+    @Override
+    public HttpContent getContent(String pathInContext)
+        throws IOException
+    {
+       
+        // try loading the content from our factory.
+        Resource resource=_factory.getResource(pathInContext);
+        HttpContent loaded = load(pathInContext,resource);
+        return loaded;
+    }
+    
+    
+    /* ------------------------------------------------------------ */
+    private HttpContent load(String pathInContext, Resource resource)
+        throws IOException
+    {   
+        if (resource==null || !resource.exists())
+            return null;
+        
+        if (resource.isDirectory())
+            return new ResourceHttpContent(resource,_mimeTypes.getMimeByExtension(resource.toString()),_maxBufferSize);
+        
+        // Look for a gzip resource or content
+        String mt = _mimeTypes.getMimeByExtension(pathInContext);
+        if (_gzip)
+        {
+            // Is there a gzip resource? 
+            String pathInContextGz=pathInContext+".gz";
+            Resource resourceGz=_factory.getResource(pathInContextGz);
+            if (resourceGz.exists() && resourceGz.lastModified()>=resource.lastModified() && resourceGz.length()<resource.length())
+                return new ResourceHttpContent(resource,mt,_maxBufferSize,
+                       new ResourceHttpContent(resourceGz,_mimeTypes.getMimeByExtension(pathInContextGz),_maxBufferSize));
+        }
+        
+        return new ResourceHttpContent(resource,mt,_maxBufferSize);
+    }
+    
+    
+    /* ------------------------------------------------------------ */
+    @Override
+    public String toString()
+    {
+        return "ResourceContentFactory["+_factory+"]@"+hashCode();
+    }
+    
+
+}