SubsystemManifestVersionHeader.java

/*
 * 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 org.apache.aries.subsystem.core.archive;

import org.osgi.framework.Version;
import org.osgi.service.subsystem.SubsystemConstants;

public class SubsystemManifestVersionHeader extends VersionHeader {
	public static final Version DEFAULT_VALUE = Version.parseVersion("1.0");
	public static final String NAME = SubsystemConstants.SUBSYSTEM_MANIFESTVERSION;
	
	public static final SubsystemManifestVersionHeader DEFAULT = new SubsystemManifestVersionHeader();
	
	public SubsystemManifestVersionHeader() {
		this(DEFAULT_VALUE);
	}

	public SubsystemManifestVersionHeader(String value) {
		this(Version.parseVersion(value));
	}
	
	public SubsystemManifestVersionHeader(Version version) {
		super(NAME, version);
		if (!version.equals(DEFAULT_VALUE))
			throw new IllegalArgumentException(NAME + " must be " + DEFAULT_VALUE);
	}
}