/*
* Copyright 2016 higherfrequencytrading.com
*
* 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 net.openhft.affinity;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import sun.misc.URLClassPath;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
enum BootClassPath {
INSTANCE;
private final URLClassPath bootClassPath = new URLClassPath(getBootClassPathURLs());
public final boolean has(String binaryClassName) {
String resourceClassName = binaryClassName.replace('.', '/').concat(".class");
return bootClassPath.getResource(resourceClassName, false) != null;
}
private URL[] getBootClassPathURLs() {
Logger LOGGER = LoggerFactory.getLogger(BootClassPath.class);
try {
String bootClassPath = System.getProperty("sun.boot.class.path");
LOGGER.trace("Boot class-path is: {}", bootClassPath);
String pathSeparator = System.getProperty("path.separator");
LOGGER.trace("Path separator is: '{}'", pathSeparator);
String[] pathElements = bootClassPath.split(pathSeparator);
URL[] pathURLs = new URL[pathElements.length];
for (int i = 0; i < pathElements.length; i++) {
pathURLs[i] = new File(pathElements[i]).toURI().toURL();
}
return pathURLs;
} catch (MalformedURLException e) {
LOGGER.warn("Parsing the boot class-path failed! Reason: {}", e.getMessage());
return new URL[0];
}
}
}