org.springframework.core.io.FileSystemResourceLoader Maven / Gradle / Ivy
/*
* Copyright 2002-2017 the original author or authors.
*
* Licensed 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
*
* https://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.springframework.core.io;
/**
* {@link ResourceLoader} implementation that resolves plain paths as
* file system resources rather than as class path resources
* (the latter is {@link DefaultResourceLoader}'s default strategy).
*
* NOTE: Plain paths will always be interpreted as relative
* to the current VM working directory, even if they start with a slash.
* (This is consistent with the semantics in a Servlet container.)
* Use an explicit "file:" prefix to enforce an absolute file path.
*
*
{@link org.springframework.context.support.FileSystemXmlApplicationContext}
* is a full-fledged ApplicationContext implementation that provides
* the same resource path resolution strategy.
*
* @author Juergen Hoeller
* @since 1.1.3
* @see DefaultResourceLoader
* @see org.springframework.context.support.FileSystemXmlApplicationContext
*/
public class FileSystemResourceLoader extends DefaultResourceLoader {
/**
* Resolve resource paths as file system paths.
*
Note: Even if a given path starts with a slash, it will get
* interpreted as relative to the current VM working directory.
* @param path the path to the resource
* @return the corresponding Resource handle
* @see FileSystemResource
* @see org.springframework.web.context.support.ServletContextResourceLoader#getResourceByPath
*/
@Override
protected Resource getResourceByPath(String path) {
if (path.startsWith("/")) {
path = path.substring(1);
}
return new FileSystemContextResource(path);
}
/**
* FileSystemResource that explicitly expresses a context-relative path
* through implementing the ContextResource interface.
*/
private static class FileSystemContextResource extends FileSystemResource implements ContextResource {
public FileSystemContextResource(String path) {
super(path);
}
@Override
public String getPathWithinContext() {
return getPath();
}
}
}