io.microsphere.classloading.URLClassPathHandle Maven / Gradle / Ivy
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 io.microsphere.classloading;
import javax.annotation.Nonnull;
import java.net.URL;
import java.net.URLClassLoader;
import static io.microsphere.net.URLUtils.EMPTY_URL_ARRAY;
import static io.microsphere.util.ClassLoaderUtils.findURLClassLoader;
/**
* The handle interface for URL Class-Path
*
* @author Mercy
* @see ClassicURLClassPathHandle
* @see ModernURLClassPathHandle
* @since 1.0.0
*/
public interface URLClassPathHandle {
/**
* Supports or not
*
* @return if supports, return true, otherwise false
*/
boolean supports();
/**
* Get the Class-Path URLs from the specified {@link ClassLoader}
*
* @param classLoader the specified {@link ClassLoader}
* @return the non-null array of {@link URL URLs}
*/
@Nonnull
default URL[] getURLs(ClassLoader classLoader) {
URLClassLoader urlClassLoader = findURLClassLoader(classLoader);
if (urlClassLoader == null) {
return EMPTY_URL_ARRAY;
}
return urlClassLoader.getURLs();
}
/**
* Remove the Class-Path {@link URL} from the specified {@link ClassLoader}
*
* @param classLoader the specified {@link ClassLoader}
* @param url the Class-Path {@link URL}
* @return if removed, return true, otherwise false
*/
boolean removeURL(ClassLoader classLoader, URL url);
}