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Java > Open Source Codes > org > springframework > core > io > FileSystemResourceLoader


1 /*
2  * Copyright 2002-2007 the original author or authors.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.springframework.core.io;
18
19 /**
20  * {@link ResourceLoader} implementation that resolves plain paths as
21  * file system resources rather than as class path resources
22  * (the latter is {@link DefaultResourceLoader}'s default strategy).
23  *
24  * <p><b>NOTE:</b> Plain paths will always be interpreted as relative
25  * to the current VM working directory, even if they start with a slash.
26  * (This is consistent with the semantics in a Servlet container.)
27  * <b>Use an explicit "file:" prefix to enforce an absolute file path.</b>
28  *
29  * <p>{@link org.springframework.context.support.FileSystemXmlApplicationContext}
30  * is a full-fledged ApplicationContext implementation that provides
31  * the same resource path resolution strategy.
32  *
33  * @author Juergen Hoeller
34  * @since 1.1.3
35  * @see DefaultResourceLoader
36  * @see org.springframework.context.support.FileSystemXmlApplicationContext
37  */
38 public class FileSystemResourceLoader extends DefaultResourceLoader {
39
40     /**
41      * Resolve resource paths as file system paths.
42      * <p>Note: Even if a given path starts with a slash, it will get
43      * interpreted as relative to the current VM working directory.
44      * @param path path to the resource
45      * @return Resource handle
46      * @see FileSystemResource
47      * @see org.springframework.web.context.support.ServletContextResourceLoader#getResourceByPath
48      */
49     protected Resource getResourceByPath(String JavaDoc path) {
50         if (path != null && path.startsWith("/")) {
51             path = path.substring(1);
52         }
53         return new FileSystemResource(path);
54     }
55
56 }
57
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