ImportImageMetaData.java

/*******************************************************************************
 * Copyright (c) 2016 Red Hat, Inc.
 * Distributed under license by Red Hat, Inc. All rights reserved.
 * This program is made available under the terms of the
 * Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Red Hat, Inc. - initial API and implementation
 ******************************************************************************/
package org.jboss.tools.openshift.internal.core;

import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;

import org.apache.commons.lang.ArrayUtils;
import org.jboss.dmr.ModelNode;

public class ImportImageMetaData implements IDockerImageMetadata {

	private static final String[] ROOT = new String [] {"image","dockerImageMetadata","ContainerConfig"};
	private static final String[] PORTS = (String [])ArrayUtils.add(ROOT, "ExposedPorts");
	private static final String[] ENV = (String [])ArrayUtils.add(ROOT, "Env");
	private static final String[] VOLUMES = (String [])ArrayUtils.add(ROOT, "Volumes");
	private final ModelNode node;

	public ImportImageMetaData(final String json) {
		this.node = ModelNode.fromJSONString(json);
	}

	@Override
	public Set<String> exposedPorts(){
		ModelNode ports = node.get(PORTS);
		if(ports.isDefined()) {
			return ports.keys();
		}
		return Collections.emptySet();
	}
	
	@Override
	public List<String> env(){
		ModelNode env = node.get(ENV);
		if(env.isDefined()) {
			return env.asList().stream().map(n->n.asString()).collect(Collectors.toList());
		}
		return Collections.emptyList();
	}
	
	@Override
	public Set<String> volumes(){
		ModelNode volumes = node.get(VOLUMES);
		if(volumes.isDefined()) {
			return volumes.keys();
		}
		return Collections.emptySet();
	}
}