Mega Code Archive
Finds a resource with the given name
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/*
* Copyright 2003-2008 The Apache Software Foundation.
*
* 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
*
* http://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.
*
*/
import java.io.InputStream;
/**
*
* @author <a href="mailto:wglass@apache.org">Will Glass-Husain</a>
* @version $Id: ClassUtils.java 685685 2008-08-13 21:43:27Z nbubna $
* @since 1.5
*/
public class Main {
/**
* Finds a resource with the given name. Checks the Thread Context
* classloader, then uses the System classloader. Should replace all
* calls to <code>Class.getResourceAsString</code> when the resource
* might come from a different classloader. (e.g. a webapp).
* @param claz Class to use when getting the System classloader (used if no Thread
* Context classloader available or fails to get resource).
* @param name name of the resource
* @return InputStream for the resource.
*/
public static InputStream getResourceAsStream(Class claz, String name)
{
InputStream result = null;
/**
* remove leading slash so path will work with classes in a JAR file
*/
while (name.startsWith("/"))
{
name = name.substring(1);
}
ClassLoader classLoader = Thread.currentThread()
.getContextClassLoader();
if (classLoader == null)
{
classLoader = claz.getClassLoader();
result = classLoader.getResourceAsStream( name );
}
else
{
result= classLoader.getResourceAsStream( name );
/**
* for compatibility with texen / ant tasks, fall back to
* old method when resource is not found.
*/
if (result == null)
{
classLoader = claz.getClassLoader();
if (classLoader != null)
result = classLoader.getResourceAsStream( name );
}
}
return result;
}
}
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