/*
* Copyright 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.HashSet;
import java.util.List;
import java.util.Set;
import com.springsource.bundlor.blint.support.Validator;
import com.springsource.bundlor.util.BundleManifestUtils;
import com.springsource.util.osgi.VersionRange;
import com.springsource.util.osgi.manifest.BundleManifest;
import com.springsource.util.osgi.manifest.ImportedPackage;
import com.springsource.util.parser.manifest.ManifestContents;
public final class VersionedImportsRangeValidator implements Validator {
private static final String MESSAGE = "The import of package %s has an unlikely version";
public Set<String> validate(ManifestContents manifest) {
Set<String> warnings = new HashSet<String>();
BundleManifest bundleManifest = BundleManifestUtils.createBundleManifest(manifest);
List<ImportedPackage> importedPackages = bundleManifest.getImportPackage().getImportedPackages();
for (ImportedPackage importedPackage : importedPackages) {
try {
VersionRange versionRange = importedPackage.getVersion();
if (isReversed(versionRange) || isExclusive(versionRange)) {
warnings.add(String.format(MESSAGE, importedPackage.getPackageName()));
}
} catch (IllegalArgumentException e) {
warnings.add(String.format(MESSAGE, importedPackage.getPackageName()));
}
}
return warnings;
}
private boolean isReversed(VersionRange versionRange) {
if (versionRange.getCeiling() == null) {
return false;
}
return versionRange.getFloor().compareTo(versionRange.getCeiling()) > 0;
}
private boolean isExclusive(VersionRange versionRange) {
if (versionRange.getFloor().equals(versionRange.getCeiling())) {
return !versionRange.isFloorInclusive() && !versionRange.isCeilingInclusive();
}
return false;
}
}