/*
* Copyright 2012 the original author or authors.
*
* 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.gradle.api.plugins.buildcomparison.outcome.internal.archive;
import org.gradle.api.Transformer;
import org.gradle.api.plugins.buildcomparison.compare.internal.BuildOutcomeComparator;
import org.gradle.api.plugins.buildcomparison.outcome.internal.BuildOutcomeAssociation;
import org.gradle.api.plugins.buildcomparison.outcome.internal.archive.entry.ArchiveEntry;
import org.gradle.api.plugins.buildcomparison.outcome.internal.archive.entry.ArchiveEntryComparison;
import org.gradle.api.plugins.buildcomparison.outcome.internal.archive.entry.FileToArchiveEntrySetTransformer;
import org.gradle.internal.Pair;
import org.gradle.util.CollectionUtils;
import java.io.File;
import java.util.Collections;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;
public class GeneratedArchiveBuildOutcomeComparator implements BuildOutcomeComparator<GeneratedArchiveBuildOutcome, GeneratedArchiveBuildOutcomeComparisonResult> {
private final Transformer<Set<ArchiveEntry>, File> archiveToEntriesTransformer;
public GeneratedArchiveBuildOutcomeComparator() {
this(new FileToArchiveEntrySetTransformer());
}
GeneratedArchiveBuildOutcomeComparator(Transformer<Set<ArchiveEntry>, File> archiveToEntriesTransformer) {
this.archiveToEntriesTransformer = archiveToEntriesTransformer;
}
public Class<GeneratedArchiveBuildOutcome> getComparedType() {
return GeneratedArchiveBuildOutcome.class;
}
public GeneratedArchiveBuildOutcomeComparisonResult compare(BuildOutcomeAssociation<GeneratedArchiveBuildOutcome> association) {
GeneratedArchiveBuildOutcome source = association.getSource();
GeneratedArchiveBuildOutcome target = association.getTarget();
Set<ArchiveEntry> sourceEntries;
if (source.getArchiveFile() != null && source.getArchiveFile().exists()) {
sourceEntries = archiveToEntriesTransformer.transform(source.getArchiveFile());
} else {
sourceEntries = Collections.emptySet();
}
Set<ArchiveEntry> targetEntries;
if (target.getArchiveFile() != null && target.getArchiveFile().exists()) {
targetEntries = archiveToEntriesTransformer.transform(target.getArchiveFile());
} else {
targetEntries = Collections.emptySet();
}
CollectionUtils.SetDiff<ArchiveEntry> diff = CollectionUtils.diffSetsBy(sourceEntries, targetEntries, new Transformer<ArchiveEntry.Path, ArchiveEntry>() {
public ArchiveEntry.Path transform(ArchiveEntry entry) {
return entry.getPath();
}
});
SortedSet<ArchiveEntryComparison> entryComparisons = new TreeSet<ArchiveEntryComparison>();
for (ArchiveEntry sourceOnly : diff.leftOnly) {
entryComparisons.add(new ArchiveEntryComparison(sourceOnly, null));
}
for (Pair<ArchiveEntry, ArchiveEntry> pair : diff.common) {
entryComparisons.add(new ArchiveEntryComparison(pair.left, pair.right));
}
for (ArchiveEntry targetOnly : diff.rightOnly) {
entryComparisons.add(new ArchiveEntryComparison(null, targetOnly));
}
return new GeneratedArchiveBuildOutcomeComparisonResult(association, entryComparisons);
}
}