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/*
* Copyright (C) 2013 The Android Open Source Project
*
* 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.android.jack.resource;
import com.android.jack.backend.jayce.JayceFileImporter.CollisionPolicy;
import com.android.jack.config.id.Arzon;
import com.android.jack.ir.ast.JSession;
import com.android.jack.ir.ast.Resource;
import com.android.sched.util.codec.DirectoryInputVFSCodec;
import com.android.sched.util.codec.EnumCodec;
import com.android.sched.util.config.HasKeyId;
import com.android.sched.util.config.ThreadConfig;
import com.android.sched.util.config.id.ListPropertyId;
import com.android.sched.util.config.id.PropertyId;
import com.android.sched.vfs.InputVFS;
import com.android.sched.vfs.InputVFile;
import com.android.sched.vfs.VPath;
import java.io.File;
import java.util.Collections;
import java.util.List;
import java.util.logging.Level;
import javax.annotation.Nonnull;
/**
* Imports resources.
*/
@HasKeyId
public class ResourceImporter extends ResourceOrMetaImporter {
@Nonnull
public static final PropertyId<CollisionPolicy> RESOURCE_COLLISION_POLICY = PropertyId
.create(
"jack.import.resource.policy",
"Defines the policy to follow concerning resource collision",
new EnumCodec<CollisionPolicy>(CollisionPolicy.class, CollisionPolicy.values())
.ignoreCase()).addDefaultValue(CollisionPolicy.FAIL).withCategory(Arzon.get());
@Nonnull
public static final ListPropertyId<InputVFS> IMPORTED_RESOURCES = new ListPropertyId<InputVFS>(
"jack.import.resource", "Resources to import", new DirectoryInputVFSCodec())
.on(File.pathSeparator).minElements(0).addDefaultValue(Collections.<InputVFS>emptyList());
@Nonnull
private final CollisionPolicy resourceCollisionPolicy =
ThreadConfig.get(RESOURCE_COLLISION_POLICY);
public ResourceImporter(@Nonnull List<InputVFS> resourceDirs) {
super(resourceDirs);
}
@Override
protected void addImportedResource(@Nonnull InputVFile file, @Nonnull JSession session,
@Nonnull String currentPath) throws ResourceImportConflictException {
VPath path = new VPath(currentPath, ResourceOrMetaImporter.VPATH_SEPARATOR);
Resource newResource = new Resource(path, file);
for (Resource existingResource : session.getResources()) {
if (existingResource.getPath().equals(path)) {
if (resourceCollisionPolicy == CollisionPolicy.FAIL) {
throw new ResourceImportConflictException(existingResource, newResource.getLocation());
} else {
session.getUserLogger().log(Level.INFO,
"Resource in {0} has already been imported from {1}: ignoring import", new Object[] {
newResource.getLocation().getDescription(),
existingResource.getLocation().getDescription()});
}
return;
}
}
session.addResource(newResource);
}
}
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