SpringBootZipExporterDelegate.java

/**
 * 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 org.apache.camel.itest.springboot.arquillian;

import java.io.InputStream;

import org.jboss.shrinkwrap.api.Archive;
import org.jboss.shrinkwrap.api.ArchivePath;
import org.jboss.shrinkwrap.api.Node;
import org.jboss.shrinkwrap.impl.base.exporter.AbstractExporterDelegate;

/**
 * A spring-boot compatible zip exporter delegate.
 * Uses {@link SpringBootZipOnDemandInputStream} not to compress entries for spring-boot
 * nested jar structure compatibility.
 */
public class SpringBootZipExporterDelegate extends AbstractExporterDelegate<InputStream> {

    protected SpringBootZipExporterDelegate(final Archive<?> archive) {
        super(archive);

        if (archive.getContent().isEmpty()) {
            throw new IllegalArgumentException("Cannot export a ZIP archive with no content: " + archive.toString());
        }
    }

    @Override
    protected void processNode(final ArchivePath path, final Node node) {
        // do nothing
    }

    @Override
    protected InputStream getResult() {
        return new SpringBootZipOnDemandInputStream(getArchive());
    }

}