Java tutorial
/* * The MIT License * * Copyright 2013 Tim Boudreau. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package org.netbeans.modules.mongodb.ui.explorer; import com.mongodb.MongoClient; import com.mongodb.MongoSocketException; import java.util.Collections; import java.util.List; import lombok.AllArgsConstructor; import org.netbeans.modules.mongodb.api.connections.ConnectionInfo; import org.netbeans.modules.mongodb.DbInfo; import org.netbeans.modules.mongodb.MongoConnection; import org.openide.util.Lookup; /** * * @author Tim Boudreau * @author Yann D'Isanto */ @AllArgsConstructor final class DBNodesFactory extends RefreshableChildFactory<DbInfo> { private final Lookup lookup; @Override protected boolean createKeys(final List<DbInfo> list) { ConnectionInfo connectionInfo = lookup.lookup(ConnectionInfo.class); MongoConnection connection = lookup.lookup(MongoConnection.class); try { if (connection.isConnected()) { MongoClient mongo = connection.getClient(); final String connectionDBName = connectionInfo.getMongoURI().getDatabase(); if (connectionDBName != null) { list.add(new DbInfo(connectionDBName, lookup)); } else { for (String dbName : mongo.listDatabaseNames()) { list.add(new DbInfo(dbName, lookup)); } } } } catch (MongoSocketException ex) { connection.disconnect(); } Collections.sort(list); return true; } @Override protected DBNode createNodeForKey(DbInfo key) { return new DBNode(key); } }