| /* |
| * 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.handler.dataimport; |
| |
| import static org.apache.solr.handler.dataimport.DataImportHandlerException.SEVERE; |
| import static org.apache.solr.handler.dataimport.DataImportHandlerException.wrapAndThrow; |
| |
| import java.net.URLEncoder; |
| import java.util.List; |
| |
| /** |
| * <p>Escapes reserved characters in Solr queries</p> |
| * |
| * @see org.apache.solr.client.solrj.util.ClientUtils#escapeQueryChars(String) |
| */ |
| public class UrlEvaluator extends Evaluator { |
| @Override |
| public String evaluate(String expression, Context context) { |
| List<Object> l = parseParams(expression, context.getVariableResolver()); |
| if (l.size() != 1) { |
| throw new DataImportHandlerException(SEVERE, "'encodeUrl' must have at least one parameter "); |
| } |
| String s = l.get(0).toString(); |
| |
| try { |
| return URLEncoder.encode(s.toString(), "UTF-8"); |
| } catch (Exception e) { |
| wrapAndThrow(SEVERE, e, "Unable to encode expression: " + expression + " with value: " + s); |
| return null; |
| } |
| } |
| } |