Java tutorial
/** * Copyright 2011 the original author or authors. * * Licensed 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 com.seajas.search.codex.social.connection; import java.util.ArrayList; import java.util.List; import java.util.Map; import java.util.SortedMap; import java.util.TreeMap; import org.springframework.social.connect.ConnectionData; import org.springframework.social.connect.ConnectionKey; import org.springframework.social.connect.DuplicateConnectionException; /** * In-memory connection repository. * * @author Michael Lavelle * @author Jasper van Veghel <jasper@seajas.com> * @see https://raw.github.com/michaellavelle/spring-social-core-extension/ */ public class InMemoryProviderConnectionRepository { protected SortedMap<Integer, ConnectionData> connectionDataByRank = new TreeMap<Integer, ConnectionData>(); @SuppressWarnings("unused") private final String userId; @SuppressWarnings("unused") private final String providerId; public InMemoryProviderConnectionRepository(final String userId, final String providerId) { this.userId = userId; this.providerId = providerId; } public boolean hasProviderUserId(final String providerUserId) { return findByProviderUserId(providerUserId) != null; } public List<ConnectionData> findAllOrderByRank() { List<ConnectionData> connectionDatas = new ArrayList<ConnectionData>(); connectionDatas.addAll(connectionDataByRank.values()); return connectionDatas; } public ConnectionData findByProviderUserId(final String providerUserId) { for (ConnectionData connectionData : connectionDataByRank.values()) { if (connectionData.getProviderUserId().equals(providerUserId)) { return connectionData; } } return null; } public ConnectionData findByRank(final int rank) { return connectionDataByRank.get(rank); } public void deleteByProviderUserId(final String providerUserId) { Integer rankOfMatchingConnectionData = null; for (Map.Entry<Integer, ConnectionData> connectionDataWithRank : connectionDataByRank.entrySet()) { if (connectionDataWithRank.getValue().getProviderUserId().equals(providerUserId)) { rankOfMatchingConnectionData = connectionDataWithRank.getKey(); } } if (rankOfMatchingConnectionData != null) { connectionDataByRank.remove(rankOfMatchingConnectionData); } } public void deleteAll() { connectionDataByRank = new TreeMap<Integer, ConnectionData>(); } public void updateByProviderUserId(final ConnectionData connection, final String providerUserId) { for (Map.Entry<Integer, ConnectionData> cd : connectionDataByRank.entrySet()) { if (cd.getValue().getProviderUserId().equals(providerUserId)) { connectionDataByRank.put(cd.getKey(), connection); } } } public List<ConnectionData> findByProviderUserIdsOrderByProviderIdAndRank( final List<String> providerUserIdsByProviderId) { List<ConnectionData> returnConnectionDatas = new ArrayList<ConnectionData>(); for (ConnectionData connectionData : connectionDataByRank.values()) { if (providerUserIdsByProviderId.contains(connectionData.getProviderUserId())) { returnConnectionDatas.add(connectionData); } } return returnConnectionDatas; } public void add(final ConnectionData connectionData) throws DuplicateConnectionException { for (ConnectionData cd : connectionDataByRank.values()) { if (cd.getProviderUserId().equals(connectionData.getProviderUserId())) { throw new DuplicateConnectionException( new ConnectionKey(connectionData.getProviderId(), connectionData.getProviderUserId())); } } connectionDataByRank.put(getNextRank(), connectionData); } public void add(final ConnectionData connectionData, final int rank) throws DuplicateConnectionException { for (ConnectionData cd : connectionDataByRank.values()) { if (cd.getProviderUserId().equals(connectionData.getProviderUserId())) { throw new DuplicateConnectionException( new ConnectionKey(connectionData.getProviderId(), connectionData.getProviderUserId())); } } connectionDataByRank.put(rank, connectionData); } protected int getNextRank() { Integer maxRank = null; for (Integer rank : connectionDataByRank.keySet()) { if (maxRank == null || rank.intValue() > maxRank.intValue()) { maxRank = rank.intValue(); } } return maxRank == null ? 1 : (maxRank.intValue() + 1); } }