org.springframework.boot.logging.AbstractLoggingSystem Maven / Gradle / Ivy
/*
* Copyright 2012-2014 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
*
* 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.
*/
package org.springframework.boot.logging;
import org.springframework.core.io.ClassPathResource;
import org.springframework.util.ClassUtils;
/**
* Abstract base class for {@link LoggingSystem} implementations.
*
* @author Phillip Webb
* @author Dave Syer
*/
public abstract class AbstractLoggingSystem extends LoggingSystem {
private final ClassLoader classLoader;
private final String[] paths;
public AbstractLoggingSystem(ClassLoader classLoader, String... paths) {
this.classLoader = classLoader;
this.paths = paths.clone();
}
protected final ClassLoader getClassLoader() {
return this.classLoader;
}
@Override
public void beforeInitialize() {
initializeWithSensibleDefaults();
}
@Override
public void initialize() {
for (String path : this.paths) {
ClassPathResource resource = new ClassPathResource(path, this.classLoader);
if (resource.exists()) {
initialize("classpath:" + path);
return;
}
}
// Fallback to the non-prefixed value
initialize(getPackagedConfigFile(this.paths[this.paths.length - 1]));
}
protected void initializeWithSensibleDefaults() {
initialize(getPackagedConfigFile("basic-" + this.paths[this.paths.length - 1]));
}
protected final String getPackagedConfigFile(String fileName) {
String defaultPath = ClassUtils.getPackageName(getClass());
defaultPath = defaultPath.replace(".", "/");
defaultPath = defaultPath + "/" + fileName;
defaultPath = "classpath:" + defaultPath;
return defaultPath;
}
}