org.mule.runtime.config.internal.dsl.model.ClassLoaderResourceProvider Maven / Gradle / Ivy
/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.runtime.config.internal.dsl.model;
import static org.apache.commons.io.FileUtils.toFile;
import org.mule.runtime.config.api.dsl.model.ResourceProvider;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.net.URL;
/**
* Resource provider implementation that delegates to an actual class loader.
*/
public class ClassLoaderResourceProvider implements ResourceProvider {
private ClassLoader classLoader;
public ClassLoaderResourceProvider(ClassLoader classLoader) {
this.classLoader = classLoader;
}
@Override
public InputStream getResourceAsStream(String uri) {
URL resourceUrl = classLoader.getResource(uri);
if (resourceUrl == null) {
return null;
}
File resourceFile = toFile(resourceUrl);
if (!resourceFile.exists()) {
return null;
}
try {
return new FileInputStream(resourceFile);
} catch (FileNotFoundException e) {
return null;
}
}
}