/*
* Copyright 2014 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.internal.tasks.compile.incremental.jar;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import com.google.common.hash.HashCode;
import java.io.File;
import java.util.Map;
import java.util.Set;
public class JarClasspathSnapshotFactory {
private final JarSnapshotter jarSnapshotter;
public JarClasspathSnapshotFactory(JarSnapshotter jarSnapshotter) {
this.jarSnapshotter = jarSnapshotter;
}
JarClasspathSnapshot createSnapshot(Iterable<JarArchive> jarArchives) {
Map<File, JarSnapshot> jarSnapshots = Maps.newHashMap();
Map<File, HashCode> jarHashes = Maps.newHashMap();
Set<String> allClasses = Sets.newHashSet();
Set<String> duplicateClasses = Sets.newHashSet();
for (JarArchive jar : jarArchives) {
if (jar.file.exists()) {
JarSnapshot snapshot = jarSnapshotter.createSnapshot(jar);
jarSnapshots.put(jar.file, snapshot);
jarHashes.put(jar.file, snapshot.getHash());
for (String c : snapshot.getClasses()) {
if (!allClasses.add(c)) {
duplicateClasses.add(c);
}
}
}
}
JarClasspathSnapshotData jarClasspathSnapshotData = new JarClasspathSnapshotData(jarHashes, duplicateClasses);
return new JarClasspathSnapshot(jarSnapshots, jarClasspathSnapshotData);
}
}