| /* |
| * 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.core; |
| |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import com.google.common.collect.ImmutableSet; |
| import org.apache.solr.common.util.NamedList; |
| import org.apache.solr.common.util.StrUtils; |
| |
| import static org.apache.solr.common.params.CommonParams.NAME; |
| import static org.apache.solr.common.params.CommonParams.PATH; |
| import static org.apache.solr.core.PluginInfo.APPENDS; |
| import static org.apache.solr.core.PluginInfo.DEFAULTS; |
| import static org.apache.solr.core.PluginInfo.INVARIANTS; |
| |
| /** |
| * An Object which represents a {@code <initParams>} tag |
| */ |
| public class InitParams { |
| public static final String TYPE = "initParams"; |
| public final String name; |
| public final Set<String> paths; |
| @SuppressWarnings({"rawtypes"}) |
| public final NamedList defaults; |
| @SuppressWarnings({"rawtypes"}) |
| public final NamedList invariants; |
| @SuppressWarnings({"rawtypes"}) |
| public final NamedList appends; |
| final private PluginInfo pluginInfo; |
| private final Set<String> KNOWN_KEYS = ImmutableSet.of(DEFAULTS, INVARIANTS, APPENDS); |
| |
| public InitParams(PluginInfo p) { |
| this.pluginInfo = p; |
| this.name = p.attributes.get(NAME); |
| Set<String> paths = null; |
| String pathStr = p.attributes.get(PATH); |
| if (pathStr != null) { |
| paths = Collections.unmodifiableSet(new HashSet<>(StrUtils.splitSmart(pathStr, ','))); |
| } |
| this.paths = paths; |
| @SuppressWarnings({"rawtypes"}) |
| NamedList nl = (NamedList) p.initArgs.get(DEFAULTS); |
| defaults = nl == null ? null : nl.getImmutableCopy(); |
| nl = (NamedList) p.initArgs.get(INVARIANTS); |
| invariants = nl == null ? null : nl.getImmutableCopy(); |
| nl = (NamedList) p.initArgs.get(APPENDS); |
| appends = nl == null ? null : nl.getImmutableCopy(); |
| } |
| |
| public boolean matchPath(String name) { |
| if (paths == null) return false; |
| if (paths.contains(name)) return true; |
| |
| for (String path : paths) { |
| if (matchPath(path, name)) return true; |
| } |
| |
| return false; |
| } |
| |
| private static boolean matchPath(String path, String name) { |
| List<String> pathSplit = StrUtils.splitSmart(path, '/'); |
| List<String> nameSplit = StrUtils.splitSmart(name, '/'); |
| int i = 0; |
| for (; i < nameSplit.size(); i++) { |
| String s = nameSplit.get(i); |
| String ps = pathSplit.size() > i ? pathSplit.get(i) : null; |
| if (ps == null) return false; |
| if (s.equals(ps)) continue; |
| if ("*".equals(ps) && nameSplit.size() == i + 1) return true; |
| if ("**".equals(ps)) return true; |
| return false; |
| } |
| String ps = pathSplit.size() > i ? pathSplit.get(i) : null; |
| return "*".equals(ps) || "**".equals(ps); |
| |
| } |
| |
| @SuppressWarnings({"unchecked", "rawtypes"}) |
| public void apply(PluginInfo info) { |
| if (!info.isFromSolrConfig()) { |
| //if this is a component implicitly defined in code it should be overridden by initPrams |
| merge(defaults, (NamedList) info.initArgs.get(DEFAULTS), info.initArgs, DEFAULTS, false); |
| } else { |
| //if the args is initialized from solrconfig.xml inside the requestHandler it should be taking precedence over initParams |
| merge((NamedList) info.initArgs.get(DEFAULTS), defaults, info.initArgs, DEFAULTS, false); |
| } |
| merge((NamedList) info.initArgs.get(INVARIANTS), invariants, info.initArgs, INVARIANTS, false); |
| merge((NamedList) info.initArgs.get(APPENDS), appends, info.initArgs, APPENDS, true); |
| |
| if (pluginInfo.initArgs != null) { |
| for (int i = 0; i < pluginInfo.initArgs.size(); i++) { |
| String name = pluginInfo.initArgs.getName(i); |
| if (KNOWN_KEYS.contains(name)) continue;//already taken care of |
| Object val = info.initArgs.get(name); |
| if (val != null) continue; //this is explicitly specified in the reqhandler , ignore |
| info.initArgs.add(name, pluginInfo.initArgs.getVal(i)); |
| } |
| } |
| } |
| |
| @SuppressWarnings({"unchecked", "rawtypes"}) |
| private static void merge(NamedList first, NamedList second, NamedList sink, String name, boolean appends) { |
| if (first == null && second == null) return; |
| if (first == null) first = new NamedList(); |
| NamedList nl = first.clone(); |
| if (appends) { |
| if (second != null) nl.addAll(second); |
| } else { |
| Set<String> a = new HashSet<>(); |
| Set<String> b = new HashSet<>(); |
| for (Object o : first) { |
| Map.Entry<String, Object> e = (Map.Entry) o; |
| a.add(e.getKey()); |
| } |
| if (second != null) { |
| for (Object o : second) { |
| Map.Entry<String, Object> e = (Map.Entry) o; |
| b.add(e.getKey()); |
| } |
| } |
| for (String s : b) { |
| if (a.contains(s)) continue; |
| for (Object v : second.getAll(s)) nl.add(s, v); |
| } |
| } |
| if (sink.indexOf(name, 0) > -1) { |
| sink.setVal(sink.indexOf(name, 0), nl); |
| } else { |
| sink.add(name, nl); |
| } |
| } |
| } |