| // |
| // ======================================================================== |
| // Copyright (c) 1995-2016 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; |
| |
| |
| /** |
| * A HttpContent.Factory for transient content. The HttpContent's created by |
| * this factory are not intended to be cached, so memory limits for individual |
| * HttpOutput streams are enforced. |
| */ |
| public class ResourceContentFactory implements Factory |
| { |
| private final ResourceFactory _factory; |
| private final MimeTypes _mimeTypes; |
| private final boolean _gzip; |
| |
| /* ------------------------------------------------------------ */ |
| public ResourceContentFactory(ResourceFactory factory, MimeTypes mimeTypes, boolean gzip) |
| { |
| _factory=factory; |
| _mimeTypes=mimeTypes; |
| _gzip=gzip; |
| } |
| |
| /* ------------------------------------------------------------ */ |
| @Override |
| public HttpContent getContent(String pathInContext,int maxBufferSize) |
| throws IOException |
| { |
| // try loading the content from our factory. |
| Resource resource=_factory.getResource(pathInContext); |
| HttpContent loaded = load(pathInContext,resource,maxBufferSize); |
| return loaded; |
| } |
| |
| |
| /* ------------------------------------------------------------ */ |
| private HttpContent load(String pathInContext, Resource resource, int maxBufferSize) |
| 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(); |
| } |
| |
| |
| } |