org.springframework.boot.loader.JarLauncher.java Source code

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Here is the source code for org.springframework.boot.loader.JarLauncher.java

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/*
 * Copyright 2012-2019 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
 *
 *      https://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.loader;

import org.springframework.boot.loader.archive.Archive;

/**
 * {@link Launcher} for JAR based archives. This launcher assumes that dependency jars are
 * included inside a {@code /BOOT-INF/lib} directory and that application classes are
 * included inside a {@code /BOOT-INF/classes} directory.
 *
 * @author Phillip Webb
 * @author Andy Wilkinson
 * @since 1.0.0
 */
public class JarLauncher extends ExecutableArchiveLauncher {

    static final String BOOT_INF_CLASSES = "BOOT-INF/classes/";

    static final String BOOT_INF_LIB = "BOOT-INF/lib/";

    public JarLauncher() {
    }

    protected JarLauncher(Archive archive) {
        super(archive);
    }

    @Override
    protected boolean isNestedArchive(Archive.Entry entry) {
        if (entry.isDirectory()) {
            return entry.getName().equals(BOOT_INF_CLASSES);
        }
        return entry.getName().startsWith(BOOT_INF_LIB);
    }

    public static void main(String[] args) throws Exception {
        new JarLauncher().launch(args);
    }

}