| /* |
| * 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.struts2.url; |
| |
| import com.opensymphony.xwork2.inject.Inject; |
| import org.apache.logging.log4j.LogManager; |
| import org.apache.logging.log4j.Logger; |
| |
| import java.util.Map; |
| |
| public class StrutsParametersStringBuilder implements ParametersStringBuilder { |
| |
| private static final Logger LOG = LogManager.getLogger(StrutsParametersStringBuilder.class); |
| |
| private final UrlEncoder encoder; |
| |
| @Inject |
| public StrutsParametersStringBuilder(UrlEncoder encoder) { |
| this.encoder = encoder; |
| } |
| |
| @Override |
| public void buildParametersString(Map<String, Object> params, StringBuilder link, String paramSeparator) { |
| if ((params != null) && (params.size() > 0)) { |
| LOG.debug("Building query string out of: {} parameters", params.size()); |
| StringBuilder queryString = new StringBuilder(); |
| |
| // Set params |
| for (Map.Entry<String, Object> entry : params.entrySet()) { |
| String name = entry.getKey(); |
| Object value = entry.getValue(); |
| |
| if (value instanceof Iterable) { |
| for (Object o : (Iterable<?>) value) { |
| appendParameterSubstring(queryString, paramSeparator, name, o); |
| } |
| } else if (value instanceof Object[]) { |
| Object[] array = (Object[]) value; |
| for (Object o : array) { |
| appendParameterSubstring(queryString, paramSeparator, name, o); |
| } |
| } else { |
| appendParameterSubstring(queryString, paramSeparator, name, value); |
| } |
| } |
| |
| if (queryString.length() > 0) { |
| if (!link.toString().contains("?")) { |
| link.append("?"); |
| } else { |
| link.append(paramSeparator); |
| } |
| link.append(queryString); |
| } |
| } else { |
| LOG.debug("Params are empty, skipping building the query string"); |
| } |
| } |
| |
| private void appendParameterSubstring(StringBuilder queryString, String paramSeparator, String name, Object value) { |
| if (queryString.length() > 0) { |
| queryString.append(paramSeparator); |
| } |
| |
| String encodedName = encoder.encode(name); |
| queryString.append(encodedName); |
| |
| queryString.append('='); |
| if (value != null) { |
| String encodedValue = encoder.encode(value.toString()); |
| queryString.append(encodedValue); |
| } |
| } |
| |
| } |