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/*
* Copyright 2000-2013 JetBrains s.r.o.
*
* 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.intellij.openapi.externalSystem.service.project.manage;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.externalSystem.model.DataNode;
import com.intellij.openapi.externalSystem.model.Key;
import com.intellij.openapi.externalSystem.util.ExternalSystemApiUtil;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.NotNullLazyValue;
import com.intellij.util.containers.ContainerUtil;
import com.intellij.util.containers.ContainerUtilRt;
import com.intellij.util.containers.Stack;
import org.jetbrains.annotations.NotNull;
import java.util.Collection;
import java.util.List;
import java.util.Map;
/**
* Aggregates all {@link ProjectDataService#EP_NAME registered data services} and provides entry points for project data management.
*
* @author Denis Zhdanov
* @since 4/16/13 11:38 AM
*/
public class ProjectDataManager {
private static final Logger LOG = Logger.getInstance("#" + ProjectDataManager.class.getName());
@NotNull private final NotNullLazyValue<Map<Key<?>, List<ProjectDataService<?, ?>>>> myServices =
new NotNullLazyValue<Map<Key<?>, List<ProjectDataService<?, ?>>>>() {
@NotNull
@Override
protected Map<Key<?>, List<ProjectDataService<?, ?>>> compute() {
Map<Key<?>, List<ProjectDataService<?, ?>>> result = ContainerUtilRt.newHashMap();
for (ProjectDataService<?, ?> service : ProjectDataService.EP_NAME.getExtensions()) {
List<ProjectDataService<?, ?>> services = result.get(service.getTargetDataKey());
if (services == null) {
result.put(service.getTargetDataKey(), services = ContainerUtilRt.newArrayList());
}
services.add(service);
}
for (List<ProjectDataService<?, ?>> services : result.values()) {
ExternalSystemApiUtil.orderAwareSort(services);
}
return result;
}
};
@SuppressWarnings("unchecked")
public <T> void importData(@NotNull Collection<DataNode<?>> nodes, @NotNull Project project, boolean synchronous) {
Map<Key<?>, List<DataNode<?>>> grouped = ExternalSystemApiUtil.group(nodes);
for (Map.Entry<Key<?>, List<DataNode<?>>> entry : grouped.entrySet()) {
// Simple class cast makes ide happy but compiler fails.
Collection<DataNode<T>> dummy = ContainerUtilRt.newArrayList();
for (DataNode<?> node : entry.getValue()) {
dummy.add((DataNode<T>)node);
}
importData((Key<T>)entry.getKey(), dummy, project, synchronous);
}
}
@SuppressWarnings("unchecked")
public <T> void importData(@NotNull Key<T> key, @NotNull Collection<DataNode<T>> nodes, @NotNull Project project, boolean synchronous) {
ensureTheDataIsReadyToUse(nodes);
List<ProjectDataService<?, ?>> services = myServices.getValue().get(key);
if (services == null) {
LOG.warn(String.format(
"Can't import data nodes '%s'. Reason: no service is registered for key %s. Available services for %s",
nodes, key, myServices.getValue().keySet()
));
}
else {
for (ProjectDataService<?, ?> service : services) {
((ProjectDataService<T, ?>)service).importData(nodes, project, synchronous);
}
}
Collection<DataNode<?>> children = ContainerUtilRt.newArrayList();
for (DataNode<T> node : nodes) {
children.addAll(node.getChildren());
}
importData(children, project, synchronous);
}
@SuppressWarnings("unchecked")
private <T> void ensureTheDataIsReadyToUse(@NotNull Collection<DataNode<T>> nodes) {
Map<Key<?>, List<ProjectDataService<?, ?>>> servicesByKey = myServices.getValue();
Stack<DataNode<T>> toProcess = ContainerUtil.newStack(nodes);
while (!toProcess.isEmpty()) {
DataNode<T> node = toProcess.pop();
List<ProjectDataService<?, ?>> services = servicesByKey.get(node.getKey());
if (services != null) {
for (ProjectDataService<?, ?> service : services) {
node.prepareData(service.getClass().getClassLoader());
}
}
for (DataNode<?> dataNode : node.getChildren()) {
toProcess.push((DataNode<T>)dataNode);
}
}
}
@SuppressWarnings("unchecked")
public <T> void removeData(@NotNull Key<?> key, @NotNull Collection<T> toRemove, @NotNull Project project, boolean synchronous) {
List<ProjectDataService<?, ?>> services = myServices.getValue().get(key);
for (ProjectDataService<?, ?> service : services) {
((ProjectDataService<?, T>)service).removeData(toRemove, project, synchronous);
}
}
}
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