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Java client for the AOServ Platform.
There is a newer version: 1.92.0
/*
 * aoserv-client - Java client for the AOServ platform.
 * Copyright (C) 2001-2012, 2016  AO Industries, Inc.
 *     [email protected]
 *     7262 Bull Pen Cir
 *     Mobile, AL 36695
 *
 * This file is part of aoserv-client.
 *
 * aoserv-client 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-client 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-client.  If not, see .
 */
package com.aoindustries.aoserv.client;

import com.aoindustries.io.TerminalWriter;
import java.io.IOException;
import java.io.Reader;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

/**
 * @see  PostgresDatabase
 *
 * @author  AO Industries, Inc.
 */
final public class PostgresDatabaseTable extends CachedTableIntegerKey {

	PostgresDatabaseTable(AOServConnector connector) {
		super(connector, PostgresDatabase.class);
	}

	private static final OrderBy[] defaultOrderBy = {
		new OrderBy(PostgresDatabase.COLUMN_NAME_name, ASCENDING),
		new OrderBy(PostgresDatabase.COLUMN_POSTGRES_SERVER_name+'.'+PostgresServer.COLUMN_NAME_name, ASCENDING),
		new OrderBy(PostgresDatabase.COLUMN_POSTGRES_SERVER_name+'.'+PostgresServer.COLUMN_AO_SERVER_name+'.'+AOServer.COLUMN_HOSTNAME_name, ASCENDING)
	};
	@Override
	OrderBy[] getDefaultOrderBy() {
		return defaultOrderBy;
	}

	int addPostgresDatabase(
		String name,
		PostgresServer postgresServer,
		PostgresServerUser datdba,
		PostgresEncoding encoding,
		boolean enablePostgis
	) throws IOException, SQLException {
		int pkey=connector.requestIntQueryIL(
			true,
			AOServProtocol.CommandID.ADD,
			SchemaTable.TableID.POSTGRES_DATABASES,
			name,
			postgresServer.pkey,
			datdba.pkey,
			encoding.pkey,
			enablePostgis
		);
		return pkey;
	}

	public String generatePostgresDatabaseName(String template_base, String template_added) throws IOException, SQLException {
		return connector.requestStringQuery(true, AOServProtocol.CommandID.GENERATE_POSTGRES_DATABASE_NAME, template_base, template_added);
	}

	@Override
	public PostgresDatabase get(int pkey) throws IOException, SQLException {
		return getUniqueRow(PostgresDatabase.COLUMN_PKEY, pkey);
	}

	PostgresDatabase getPostgresDatabase(String name, PostgresServer postgresServer) throws IOException, SQLException {
		// Use the index first
		for(PostgresDatabase pd : getPostgresDatabases(postgresServer)) if(pd.name.equals(name)) return pd;
		return null;
	}

	List getPostgresDatabases(Package pack) throws IOException, SQLException {
		String name=pack.name;

		List cached=getRows();
		int size=cached.size();
		List matches=new ArrayList<>(size);
		for(int c=0;c getPostgresDatabases(PostgresServerUser psu) throws IOException, SQLException {
		return getIndexedRows(PostgresDatabase.COLUMN_DATDBA, psu.pkey);
	}

	List getPostgresDatabases(PostgresServer postgresServer) throws IOException, SQLException {
		return getIndexedRows(PostgresDatabase.COLUMN_POSTGRES_SERVER, postgresServer.pkey);
	}

	@Override
	public SchemaTable.TableID getTableID() {
		return SchemaTable.TableID.POSTGRES_DATABASES;
	}

	@Override
	boolean handleCommand(String[] args, Reader in, TerminalWriter out, TerminalWriter err, boolean isInteractive) throws IllegalArgumentException, SQLException, IOException {
		String command=args[0];
		if(command.equalsIgnoreCase(AOSHCommand.ADD_POSTGRES_DATABASE)) {
			if(AOSH.checkParamCount(AOSHCommand.ADD_POSTGRES_DATABASE, args, 5, err)) {
				int pkey=connector.getSimpleAOClient().addPostgresDatabase(
					args[1],
					args[2],
					args[3],
					args[4],
					args[5],
					AOSH.parseBoolean(args[6], "enable_postgis")
				);
				out.println(pkey);
				out.flush();
			}
			return true;
		} else if(command.equalsIgnoreCase(AOSHCommand.CHECK_POSTGRES_DATABASE_NAME)) {
			if(AOSH.checkParamCount(AOSHCommand.CHECK_POSTGRES_DATABASE_NAME, args, 1, err)) {
				try {
					connector.getSimpleAOClient().checkPostgresDatabaseName(args[1]);
					out.println("true");
					out.flush();
				} catch(IllegalArgumentException iae) {
					err.print("aosh: "+AOSHCommand.CHECK_POSTGRES_DATABASE_NAME+": ");
					err.println(iae.getMessage());
					err.flush();
				}
			}
			return true;
		} else if(command.equalsIgnoreCase(AOSHCommand.DUMP_POSTGRES_DATABASE)) {
			if(AOSH.checkParamCount(AOSHCommand.DUMP_POSTGRES_DATABASE, args, 3, err)) {
				try {
					connector.getSimpleAOClient().dumpPostgresDatabase(args[1], args[2], args[3], out);
					out.flush();
				} catch(IllegalArgumentException iae) {
					err.print("aosh: "+AOSHCommand.DUMP_POSTGRES_DATABASE+": ");
					err.println(iae.getMessage());
					err.flush();
				}
			}
			return true;
		} else if(command.equalsIgnoreCase(AOSHCommand.GENERATE_POSTGRES_DATABASE_NAME)) {
			if(AOSH.checkParamCount(AOSHCommand.GENERATE_POSTGRES_DATABASE_NAME, args, 2, err)) {
				out.println(connector.getSimpleAOClient().generatePostgresDatabaseName(args[1], args[2]));
				out.flush();
			}
			return true;
		} else if(command.equalsIgnoreCase(AOSHCommand.IS_POSTGRES_DATABASE_NAME_AVAILABLE)) {
			if(AOSH.checkParamCount(AOSHCommand.IS_POSTGRES_DATABASE_NAME_AVAILABLE, args, 3, err)) {
				try {
					out.println(
						connector.getSimpleAOClient().isPostgresDatabaseNameAvailable(
							args[1],
							args[2],
							args[3]
						)
					);
					out.flush();
				} catch(IllegalArgumentException iae) {
					err.print("aosh: "+AOSHCommand.IS_POSTGRES_DATABASE_NAME_AVAILABLE+": ");
					err.println(iae.getMessage());
					err.flush();
				}
			}
			return true;
		} else if(command.equalsIgnoreCase(AOSHCommand.REMOVE_POSTGRES_DATABASE)) {
			if(AOSH.checkParamCount(AOSHCommand.REMOVE_POSTGRES_DATABASE, args, 3, err)) {
				connector.getSimpleAOClient().removePostgresDatabase(args[1], args[2], args[3]);
			}
			return true;
		} else if(command.equalsIgnoreCase(AOSHCommand.WAIT_FOR_POSTGRES_DATABASE_REBUILD)) {
			if(AOSH.checkParamCount(AOSHCommand.WAIT_FOR_POSTGRES_DATABASE_REBUILD, args, 1, err)) {
				connector.getSimpleAOClient().waitForPostgresDatabaseRebuild(args[1]);
			}
			return true;
		}
		return false;
	}

	boolean isPostgresDatabaseNameAvailable(String name, PostgresServer postgresServer) throws IOException, SQLException {
		return connector.requestBooleanQuery(
			true,
			AOServProtocol.CommandID.IS_POSTGRES_DATABASE_NAME_AVAILABLE,
			name,
			postgresServer.pkey
		);
	}

	public boolean isValidDatabaseName(String name) throws IOException, SQLException {
		return isValidDatabaseName(name, connector.getPostgresReservedWords().getRows());
	}

	public static boolean isValidDatabaseName(String name, List reservedWords) {
		// Must be a-z first, then a-z or 0-9 or _
		int len = name.length();
		if (len == 0 || len > PostgresDatabase.MAX_DATABASE_NAME_LENGTH) return false;
		// The first character must be [a-z]
		char ch = name.charAt(0);
		if (ch < 'a' || ch > 'z') return false;
		// The rest may have additional characters
		for (int c = 1; c < len; c++) {
			ch = name.charAt(c);
			if ((ch < 'a' || ch > 'z') && (ch < '0' || ch > '9') && ch != '_') return false;
		}

		// Also must not be a reserved word
		int size=reservedWords.size();
		for(int c=0;c