001/* 002 * Copyright 2019 Anyware Services 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016package org.ametys.web.frontoffice.search.metamodel.impl; 017 018import java.util.List; 019import java.util.Map; 020import java.util.function.Function; 021 022import org.ametys.core.util.LambdaUtils; 023import org.ametys.runtime.i18n.I18nizableText; 024import org.ametys.runtime.parameter.Enumerator; 025import org.ametys.web.frontoffice.search.metamodel.EnumeratedValues; 026 027class EnumeratorBasedEnumeratedValues implements EnumeratedValues 028{ 029 private Enumerator _enumerator; 030 private String _criterionDefinitionId; 031 032 EnumeratorBasedEnumeratedValues(Enumerator enumerator, String criterionDefinitionId) 033 { 034 _enumerator = enumerator; 035 _criterionDefinitionId = criterionDefinitionId; 036 } 037 038 @Override 039 public Map<Object, I18nizableText> getAllValues() 040 { 041 try 042 { 043 return _enumerator.getEntries(); 044 } 045 catch (Exception e) 046 { 047 throw new IllegalArgumentException("An error occured with the Enumerator of the criterion definition '" + _criterionDefinitionId + "'", e); 048 } 049 } 050 051 @Override 052 public RestrictedValues getRestrictedValuesFor(List<Object> objs) 053 { 054 return new EnumeratorBasedRestrictedValues(this, objs); 055 } 056 057 static class EnumeratorBasedRestrictedValues implements RestrictedValues 058 { 059 private EnumeratedValues _enumeratedValues; 060 private List<Object> _forObjs; 061 062 EnumeratorBasedRestrictedValues(EnumeratedValues enumeratedValues, List<Object> forObjs) 063 { 064 _enumeratedValues = enumeratedValues; 065 _forObjs = forObjs; 066 } 067 068 @Override 069 public Map<Object, I18nizableText> values() 070 { 071 Map<Object, I18nizableText> allEntries = _enumeratedValues.getAllValues(); 072 return _forObjs 073 .stream() 074 .filter(v -> _isContainedInAllEntries(v, allEntries)) 075 .collect(LambdaUtils.Collectors.toLinkedHashMap( 076 Function.identity(), 077 allEntries::get)); 078 } 079 080 private boolean _isContainedInAllEntries(Object desiredValue, Map<Object, I18nizableText> allEntries) 081 { 082 return allEntries.containsKey(desiredValue); 083 } 084 } 085} 086