| /* |
| * 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.common.params; |
| |
| import java.util.Iterator; |
| import java.util.LinkedHashSet; |
| |
| /** |
| * |
| */ |
| public class DefaultSolrParams extends SolrParams { |
| |
| protected final SolrParams params; |
| protected final SolrParams defaults; |
| |
| public DefaultSolrParams(SolrParams params, SolrParams defaults) { |
| assert params != null && defaults != null; |
| this.params = params; |
| this.defaults = defaults; |
| } |
| |
| @Override |
| public String get(String param) { |
| String val = params.get(param); |
| return val!=null ? val : defaults.get(param); |
| } |
| |
| @Override |
| public String[] getParams(String param) { |
| String[] vals = params.getParams(param); |
| return vals!=null ? vals : defaults.getParams(param); |
| } |
| |
| @Override |
| public Iterator<String> getParameterNamesIterator() { |
| // We need to compute the set of all param names in advance |
| // So we don't wind up with an iterator that returns the same |
| // String more then once (SOLR-6780) |
| LinkedHashSet<String> allKeys = new LinkedHashSet<>(); |
| for (SolrParams p : new SolrParams [] {params, defaults}) { |
| Iterator<String> localKeys = p.getParameterNamesIterator(); |
| while (localKeys.hasNext()) { |
| allKeys.add(localKeys.next()); |
| } |
| } |
| return allKeys.iterator(); |
| } |
| |
| @Override |
| public String toString() { |
| return "{params("+params+"),defaults("+defaults+")}"; |
| } |
| } |