/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software
* License version 1.1, a copy of which has been included with this
* distribution in the LICENSE.txt file.
*/
package org.apache.log4j.lf5.util;
import java.io.InputStream;
import java.net.URL;
/**
* ResourceUtils. Provide a set of convenience methods for working with
* Resources.
*
* @see org.apache.log4j.lf5.util.Resource
*
* @author Michael J. Sikorsky
* @author Robert Shaw
*/
// Contributed by ThoughtWorks Inc.
public class ResourceUtils {
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// Constants:
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// Protected Variables:
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// Private Variables:
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// Constructors:
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// Public Methods:
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/**
* Get the InputStream for this resource. Note: to convert an InputStream
* into an InputReader, use: new InputStreamReader(InputStream).
*
* @param object The object to grab the Classloader from.
* This parameter is quite important from a
* visibility of resources standpoint as the
* hierarchy of Classloaders plays a role.
*
* @param resource The resource to load.
*
* @return If the Resource was found, the InputStream, otherwise null.
*
* @see Resource
* @see #getResourceAsURL(Object,Resource)
* @see InputStream
*/
public static InputStream getResourceAsStream(Object object, Resource resource) {
ClassLoader loader = object.getClass().getClassLoader();
InputStream in = null;
if (loader != null) {
in = loader.getResourceAsStream(resource.getName());
} else {
in = ClassLoader.getSystemResourceAsStream(resource.getName());
}
return in;
}
/**
* Get the URL for this resource.
*
* @param object The object to grab the Classloader from.
* This parameter is quite important from a
* visibility of resources standpoint as the
* hierarchy of Classloaders plays a role.
*
* @param resource The resource to load.
*
* @return If the Resource was found, the URL, otherwise null.
*
* @see Resource
* @see #getResourceAsStream(Object,Resource)
*/
public static URL getResourceAsURL(Object object, Resource resource) {
ClassLoader loader = object.getClass().getClassLoader();
URL url = null;
if (loader != null) {
url = loader.getResource(resource.getName());
} else {
url = ClassLoader.getSystemResource(resource.getName());
}
return (url);
}
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// Protected Methods:
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// Private Methods:
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// Nested Top-Level Classes or Interfaces:
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}
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