| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.solr.util; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.function.BiConsumer; |
| import java.util.function.Function; |
| import java.util.function.Predicate; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableMap; |
| import org.apache.solr.cluster.api.SimpleMap; |
| import org.apache.solr.common.ConfigNode; |
| import org.apache.solr.common.util.PropertiesUtil; |
| import org.apache.solr.common.util.WrappedSimpleMap; |
| |
| /** |
| * ConfigNode impl that copies and maintains data internally from DOM |
| */ |
| public class DataConfigNode implements ConfigNode { |
| public final String name; |
| public final SimpleMap<String> attributes; |
| public final SimpleMap<List<ConfigNode>> kids ; |
| public final String textData; |
| |
| |
| public DataConfigNode(ConfigNode root) { |
| Map<String, List<ConfigNode>> kids = new LinkedHashMap<>(); |
| name = root.name(); |
| attributes = wrap(root.attributes()); |
| textData = root.txt(); |
| root.forEachChild(it -> { |
| List<ConfigNode> nodes = kids.computeIfAbsent(it.name(), |
| k -> new ArrayList<>()); |
| nodes.add(new DataConfigNode(it)); |
| return Boolean.TRUE; |
| }); |
| for (Map.Entry<String, List<ConfigNode>> e : kids.entrySet()) { |
| if(e.getValue() != null) { |
| e.setValue(ImmutableList.copyOf(e.getValue())); |
| } |
| } |
| this.kids = kids.isEmpty()? EMPTY: new WrappedSimpleMap<>(ImmutableMap.copyOf(kids)); |
| } |
| |
| public String subtituteVal(String s) { |
| return PropertiesUtil.substitute(s, SUBSTITUTES.get()); |
| } |
| |
| private SimpleMap<String> wrap(SimpleMap<String> delegate) { |
| if(delegate.size() == 0) return delegate;//avoid unnecessary object creation |
| return new SimpleMap<String>() { |
| @Override |
| public String get(String key) { |
| return subtituteVal(delegate.get(key)); |
| } |
| |
| @Override |
| public void forEachEntry(BiConsumer<String, ? super String> fun) { |
| delegate.forEachEntry((k, v) -> fun.accept(k, subtituteVal(v))); |
| } |
| |
| @Override |
| public int size() { |
| return delegate.size(); |
| } |
| }; |
| } |
| |
| @Override |
| public String name() { |
| return name; |
| } |
| |
| @Override |
| public String txt() { |
| return subtituteVal(textData); |
| } |
| |
| @Override |
| public SimpleMap<String> attributes() { |
| return attributes; |
| } |
| |
| @Override |
| public ConfigNode child(String name) { |
| List<ConfigNode> val = kids.get(name); |
| return val == null || val.isEmpty() ? null : val.get(0); |
| } |
| |
| @Override |
| public List<ConfigNode> getAll(String name) { |
| return kids.get(name, Collections.emptyList()); |
| } |
| |
| @Override |
| public List<ConfigNode> getAll(Predicate<ConfigNode> test, Set<String> matchNames) { |
| List<ConfigNode> result = new ArrayList<>(); |
| for (String s : matchNames) { |
| List<ConfigNode> vals = kids.get(s); |
| if (vals != null) { |
| vals.forEach(it -> { |
| if (test == null || test.test(it)) { |
| result.add(it); |
| } |
| }); |
| } |
| } |
| return result; |
| } |
| |
| @Override |
| public void forEachChild(Function<ConfigNode, Boolean> fun) { |
| kids.forEachEntry((s, configNodes) -> { |
| if (configNodes != null) { |
| configNodes.forEach(fun::apply); |
| } |
| }); |
| } |
| public static final SimpleMap<List<ConfigNode>> EMPTY = new WrappedSimpleMap<>(Collections.emptyMap()); |
| } |