io.joshworks.snappy.loader.JarLauncher Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of snappy-loader Show documentation

There is a newer version: 0.2

/*
 * Copyright 2012-2013 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 io.joshworks.snappy.loader;

import io.joshworks.snappy.loader.archive.Archive;
import io.joshworks.snappy.loader.util.AsciiBytes;

import java.util.List;

/**
 * {@link Launcher} for JAR based archives. This launcher assumes that dependency jars are
 * included inside a {@code /lib} directory.
 *
 * @author Phillip Webb
 */
public class JarLauncher extends ExecutableArchiveLauncher {

    private static final AsciiBytes LIB = new AsciiBytes("lib/");

    public JarLauncher() {
    }

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

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

    @Override
    protected boolean isNestedArchive(Archive.Entry entry) {
        return !entry.isDirectory() && entry.getName().startsWith(LIB);
    }

    @Override
    protected void postProcessClassPathArchives(List archives) throws Exception {
        archives.add(0, getArchive());
    }

}