io.moquette.broker.config.ClasspathResourceLoader Maven / Gradle / Ivy
/*
* Copyright (c) 2012-2018 The original author or authors
* ------------------------------------------------------
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
*
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* The Apache License v2.0 is available at
* http://www.opensource.org/licenses/apache2.0.php
*
* You may elect to redistribute this code under either of these licenses.
*/
package io.moquette.broker.config;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.nio.charset.StandardCharsets;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ClasspathResourceLoader implements IResourceLoader {
private static final Logger LOG = LoggerFactory.getLogger(ClasspathResourceLoader.class);
private final String defaultResource;
private final ClassLoader classLoader;
public ClasspathResourceLoader() {
this(IConfig.DEFAULT_CONFIG);
}
public ClasspathResourceLoader(String defaultResource) {
this(defaultResource, Thread.currentThread().getContextClassLoader());
}
public ClasspathResourceLoader(String defaultResource, ClassLoader classLoader) {
this.defaultResource = defaultResource;
this.classLoader = classLoader;
}
@Override
public Reader loadDefaultResource() {
return loadResource(defaultResource);
}
@Override
public Reader loadResource(String relativePath) {
LOG.info("Loading resource. RelativePath = {}.", relativePath);
InputStream is = this.classLoader.getResourceAsStream(relativePath);
return is != null ? new InputStreamReader(is, StandardCharsets.UTF_8) : null;
}
@Override
public String getName() {
return "classpath resource";
}
}