| /* |
| * 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.response.transform; |
| |
| import org.apache.solr.common.SolrDocument; |
| import org.apache.solr.common.SolrException; |
| import org.apache.solr.common.SolrException.ErrorCode; |
| import org.apache.solr.common.params.SolrParams; |
| import org.apache.solr.common.util.NamedList; |
| import org.apache.solr.request.SolrQueryRequest; |
| import org.apache.solr.util.DateMathParser; |
| |
| /** |
| * |
| * @since solr 4.0 |
| */ |
| public class ValueAugmenterFactory extends TransformerFactory { |
| protected Object value = null; |
| protected Object defaultValue = null; |
| |
| @Override |
| public void init(@SuppressWarnings({"rawtypes"})NamedList args) { |
| value = args.get("value"); |
| if (value == null) { |
| defaultValue = args.get("defaultValue"); |
| } |
| } |
| |
| public static Object getObjectFrom(String val, String type) { |
| if (type != null) { |
| try { |
| if ("int".equals(type)) return Integer.valueOf(val); |
| if ("double".equals(type)) return Double.valueOf(val); |
| if ("float".equals(type)) return Float.valueOf(val); |
| if ("date".equals(type)) return DateMathParser.parseMath(null, val); |
| } catch (Exception ex) { |
| throw new SolrException(ErrorCode.BAD_REQUEST, |
| "Unable to parse " + type + "=" + val, ex); |
| } |
| } |
| return val; |
| } |
| |
| @Override |
| public DocTransformer create(String field, SolrParams params, SolrQueryRequest req) { |
| Object val = value; |
| if (val == null) { |
| String v = params.get("v"); |
| if (v == null) { |
| val = defaultValue; |
| } else { |
| val = getObjectFrom(v, params.get("t")); |
| } |
| if (val == null) { |
| throw new SolrException(ErrorCode.BAD_REQUEST, |
| "ValueAugmenter is missing a value -- should be defined in solrconfig or inline"); |
| } |
| } |
| return new ValueAugmenter(field, val); |
| } |
| |
| |
| static class ValueAugmenter extends DocTransformer { |
| final String name; |
| final Object value; |
| |
| public ValueAugmenter(String name, Object value) { |
| this.name = name; |
| this.value = value; |
| } |
| |
| @Override |
| public String getName() { |
| return name; |
| } |
| |
| @Override |
| public void transform(SolrDocument doc, int docid) { |
| doc.setField(name, value); |
| } |
| } |
| } |
| |