001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.wicket.request.mapper.parameter; 018 019import org.apache.wicket.request.Url; 020import org.apache.wicket.request.Url.QueryParameter; 021import org.apache.wicket.util.string.Strings; 022 023/** 024 * Simple encoder with direct indexed/named parameters mapping. 025 * 026 * @author Matej Knopp 027 */ 028public class PageParametersEncoder implements IPageParametersEncoder 029{ 030 /** 031 * Construct. 032 */ 033 public PageParametersEncoder() 034 { 035 } 036 037 @Override 038 public PageParameters decodePageParameters(final Url url) 039 { 040 PageParameters parameters = new PageParameters(); 041 042 int i = 0; 043 for (String s : url.getSegments()) 044 { 045 parameters.set(i, s); 046 ++i; 047 } 048 049 for (QueryParameter p : url.getQueryParameters()) 050 { 051 String parameterName = p.getName(); 052 if (Strings.isEmpty(parameterName) == false) 053 { 054 parameters.add(parameterName, p.getValue(), INamedParameters.Type.QUERY_STRING); 055 } 056 } 057 058 return parameters.isEmpty() ? null : parameters; 059 } 060 061 @Override 062 public Url encodePageParameters(final PageParameters pageParameters) 063 { 064 Url url = new Url(); 065 066 if (pageParameters != null) 067 { 068 for (int i = 0; i < pageParameters.getIndexedCount(); ++i) 069 { 070 url.getSegments().add(pageParameters.get(i).toString()); 071 } 072 073 for (PageParameters.NamedPair pair : pageParameters.getAllNamed()) 074 { 075 QueryParameter param = new QueryParameter(pair.getKey(), pair.getValue()); 076 url.getQueryParameters().add(param); 077 } 078 } 079 080 return url; 081 } 082}