001/* 002 * Copyright 2011 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.plugins.core.impl.userpref; 017 018import java.util.Date; 019import java.util.HashMap; 020import java.util.Map; 021 022import org.apache.avalon.framework.thread.ThreadSafe; 023 024import org.ametys.core.user.UserIdentity; 025import org.ametys.core.userpref.DefaultUserPreferencesStorage; 026import org.ametys.core.userpref.UserPreferencesException; 027 028/** 029 * An empty implementation of {@link DefaultUserPreferencesStorage}. 030 */ 031public class EmptyUserPreferencesStorage implements DefaultUserPreferencesStorage, ThreadSafe 032{ 033 @Override 034 public Map<String, String> getUnTypedUserPrefs(UserIdentity user, String storageContext, Map<String, String> contextVars) throws UserPreferencesException 035 { 036 return new HashMap<>(); 037 } 038 039 @Override 040 public void removeUserPreferences(UserIdentity user, String storageContext, Map<String, String> contextVars) throws UserPreferencesException 041 { 042 // Do nothing. 043 } 044 045 @Override 046 public void setUserPreferences(UserIdentity user, String storageContext, Map<String, String> contextVars, Map<String, String> preferences) throws UserPreferencesException 047 { 048 // Do nothing 049 } 050 051 @Override 052 public String getUserPreferenceAsString(UserIdentity user, String storageContext, Map<String, String> contextVars, String id) throws UserPreferencesException 053 { 054 return null; 055 } 056 057 @Override 058 public Long getUserPreferenceAsLong(UserIdentity user, String storageContext, Map<String, String> contextVars, String id) throws UserPreferencesException 059 { 060 return null; 061 } 062 063 @Override 064 public Date getUserPreferenceAsDate(UserIdentity user, String storageContext, Map<String, String> contextVars, String id) throws UserPreferencesException 065 { 066 return null; 067 } 068 069 @Override 070 public Boolean getUserPreferenceAsBoolean(UserIdentity user, String storageContext, Map<String, String> contextVars, String id) throws UserPreferencesException 071 { 072 return null; 073 } 074 075 @Override 076 public Double getUserPreferenceAsDouble(UserIdentity user, String storageContext, Map<String, String> contextVars, String id) throws UserPreferencesException 077 { 078 return null; 079 } 080 081}