/*
* Copyright 2008-2009 SpringSource
*
* 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 com.springsource.bundlor.blint.support.contributors;
import java.util.Collections;
import java.util.Set;
import com.springsource.bundlor.blint.support.Validator;
import com.springsource.bundlor.util.BundleManifestUtils;
import com.springsource.util.math.Sets;
import com.springsource.util.osgi.manifest.BundleManifest;
import com.springsource.util.parser.manifest.ManifestContents;
/**
* Validates that the <code>BundleManifest-Version</code> value is always 2
* <p />
*
* <strong>Concurrent Semantics</strong><br />
*
* Threadsafe
*
* @author Ben Hale
*/
public final class BundleManifestVersionValidator implements Validator {
private static final String MESSAGE = "The manifest specifies an incompatible bundle manifest version of %s. This value must be 2.";
/**
* {@inheritDoc}
*/
public Set<String> validate(ManifestContents manifest) {
BundleManifest bundleManifest = BundleManifestUtils.createBundleManifest(manifest);
if (bundleManifest.getBundleManifestVersion() != 2) {
return Sets.asSet(String.format(MESSAGE, bundleManifest.getBundleManifestVersion()));
}
return Collections.emptySet();
}
}