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Master server for the AOServ Platform.
There is a newer version: 1.91.8
/*
 * aoserv-master - Master server for the AOServ Platform.
 * Copyright (C) 2018, 2019, 2020  AO Industries, Inc.
 *     [email protected]
 *     7262 Bull Pen Cir
 *     Mobile, AL 36695
 *
 * This file is part of aoserv-master.
 *
 * aoserv-master is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * aoserv-master is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with aoserv-master.  If not, see .
 */
package com.aoindustries.aoserv.master.distribution.management;

import com.aoindustries.aoserv.client.distribution.management.DistroFile;
import com.aoindustries.aoserv.client.master.User;
import com.aoindustries.aoserv.client.master.UserHost;
import com.aoindustries.aoserv.client.schema.AoservProtocol;
import com.aoindustries.aoserv.client.schema.Table;
import com.aoindustries.aoserv.master.CursorMode;
import com.aoindustries.aoserv.master.MasterServer;
import com.aoindustries.aoserv.master.RequestSource;
import com.aoindustries.aoserv.master.TableHandler;
import com.aoindustries.collections.IntList;
import com.aoindustries.dbc.DatabaseConnection;
import com.aoindustries.io.stream.StreamableOutput;
import java.io.IOException;
import java.sql.SQLException;
import java.util.Collections;
import java.util.EnumSet;
import java.util.Set;

/**
 * @author  AO Industries, Inc.
 */
public class DistroFile_GetTableHandler extends TableHandler.GetTableHandlerByRole {

	@Override
	public Set getTableIds() {
		return EnumSet.of(Table.TableID.DISTRO_FILES);
	}

	@Override
	protected void getTableMaster(DatabaseConnection conn, RequestSource source, StreamableOutput out, boolean provideProgress, Table.TableID tableID, User masterUser) throws IOException, SQLException {
		if(source.getProtocolVersion().compareTo(AoservProtocol.Version.VERSION_1_0_A_107) <= 0) {
			MasterServer.writeObjects(source, out, false, Collections.emptyList());
		} else {
			MasterServer.writeObjects(
				conn,
				source,
				out,
				provideProgress,
				CursorMode.FETCH,
				new DistroFile(),
				"select * from \"distribution.management\".\"DistroFile\""
			);
		}
	}

	@Override
	protected void getTableDaemon(DatabaseConnection conn, RequestSource source, StreamableOutput out, boolean provideProgress, Table.TableID tableID, User masterUser, UserHost[] masterServers) throws IOException, SQLException {
		// Restrict to the operating system versions accessible to this user
		IntList osVersions = TableHandler.getOperatingSystemVersions(conn, source);
		if(osVersions.isEmpty()) {
			MasterServer.writeObjects(source, out, provideProgress, Collections.emptyList());
		} else {
			StringBuilder sql = new StringBuilder();
			sql.append("select * from \"distribution.management\".\"DistroFile\" where operating_system_version in (");
			for(int i = 0; i < osVersions.size(); i++) {
				if(i > 0) sql.append(',');
				sql.append(osVersions.getInt(i));
			}
			sql.append(')');
			MasterServer.writeObjects(
				conn,
				source,
				out,
				provideProgress,
				CursorMode.FETCH,
				new DistroFile(),
				sql.toString()
			);
		}
	}

	@Override
	protected void getTableAdministrator(DatabaseConnection conn, RequestSource source, StreamableOutput out, boolean provideProgress, Table.TableID tableID) throws IOException, SQLException {
		MasterServer.writeObjects(source, out, provideProgress, Collections.emptyList());
	}
}