/**
* PermissionsEx
* Copyright (C) zml and PermissionsEx contributors
*
* 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 ninja.leaping.permissionsex.backend.memory;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;
import ninja.leaping.configurate.objectmapping.Setting;
import ninja.leaping.configurate.objectmapping.serialize.ConfigSerializable;
import ninja.leaping.permissionsex.data.ContextInheritance;
import ninja.leaping.permissionsex.util.Util;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Context inheritance data structure
*/
@ConfigSerializable
public class MemoryContextInheritance implements ContextInheritance {
@Setting("context-inheritance")
private Map<String, List<String>> contextInheritance = new HashMap<>();
protected MemoryContextInheritance() {
}
protected MemoryContextInheritance(Map<String, List<String>> data) {
this.contextInheritance = data;
}
@Override
public List<Map.Entry<String, String>> getParents(Map.Entry<String, String> context) {
final List<String> inheritance = contextInheritance.get(Util.subjectToString(context));
if (inheritance == null) {
return ImmutableList.of();
}
return Collections.unmodifiableList(Lists.transform(inheritance, Util::subjectFromString));
}
@Override
public ContextInheritance setParents(Map.Entry<String, String> context, List<Map.Entry<String, String>> parents) {
final Map<String, List<String>> newData = new HashMap<>(contextInheritance);
newData.put(Util.subjectToString(context), ImmutableList.copyOf(Lists.transform(ImmutableList.copyOf(parents), Util::subjectToString)));
return newCopy(newData);
}
@Override
public Map<Map.Entry<String, String>, List<Map.Entry<String, String>>> getAllParents() {
ImmutableMap.Builder<Map.Entry<String, String>, List<Map.Entry<String, String>>> ret = ImmutableMap.builder();
for (Map.Entry<String, List<String>> entry : contextInheritance.entrySet()) {
ret.put(Util.subjectFromString(entry.getKey()), Lists.transform(entry.getValue(), Util::subjectFromString));
}
return ret.build();
}
protected MemoryContextInheritance newCopy(Map<String, List<String>> raw) {
return new MemoryContextInheritance(raw);
}
public static MemoryContextInheritance fromExistingContextInheritance(ContextInheritance inheritance) {
if (inheritance instanceof MemoryContextInheritance) {
return ((MemoryContextInheritance) inheritance);
} else {
Map<String, List<String>> data = new HashMap<>();
for (Map.Entry<Map.Entry<String, String>, List<Map.Entry<String, String>>> ent : inheritance.getAllParents().entrySet()) {
data.put(Util.subjectToString(ent.getKey()), Lists.transform(ent.getValue(), Util::subjectToString));
}
return new MemoryContextInheritance(data);
}
}
}