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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) 2001-2013, 2016, 2017, 2018  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.aosh;

import com.aoindustries.aoserv.client.AOServConnector;
import com.aoindustries.aoserv.client.GlobalTableStringKey;
import com.aoindustries.aoserv.client.schema.Table;
import com.aoindustries.aoserv.client.schema.TableTable;
import com.aoindustries.io.TerminalWriter;
import java.io.IOException;
import java.io.Reader;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * @see  Command
 *
 * @author  AO Industries, Inc.
 */
final public class CommandTable extends GlobalTableStringKey {

	private static final String GLOBAL_COMMANDS="[[GLOBAL]]";

	private final Map> tableCommands=new HashMap<>();

	CommandTable(AOServConnector connector) {
		super(connector, Command.class);
	}

	private static final OrderBy[] defaultOrderBy = {
		new OrderBy(Command.COLUMN_COMMAND_name, ASCENDING)
	};
	@Override
	protected OrderBy[] getDefaultOrderBy() {
		return defaultOrderBy;
	}

	public List getAOSHCommands(Table table) throws IOException, SQLException {
		synchronized(this) {
			// Table might be null
			String name = (table == null) ? GLOBAL_COMMANDS : table.getName();
			List list=tableCommands.get(name);
			if(list!=null) return list;

			List cached=getRows();
			List matches=new ArrayList<>();
			int size=cached.size();
			for(int c=0;c getGlobalAOSHCommands() throws IOException, SQLException {
		return getAOSHCommands(null);
	}

	@Override
	public Table.TableID getTableID() {
		return Table.TableID.AOSH_COMMANDS;
	}

	/**
	 * Avoid repeated array copies.
	 */
	private static final int numTables = Table.TableID.values().length;

	@Override
	public boolean handleCommand(String[] args, Reader in, TerminalWriter out, TerminalWriter err, boolean isInteractive) throws IOException, SQLException {
		String command=args[0];
		if(command.equalsIgnoreCase(Command.HELP) || command.equals("?")) {
			int argCount=args.length;
			if(argCount==1) {
				TableTable schemaTableTable=connector.getSchema().getTable();
				for(int c=-1;c commands=c==-1?getGlobalAOSHCommands():schemaTable.getAOSHCommands(connector);
					printHelpList(out, title, commands, true, c>=0);
				}
				out.flush();
			} else if(argCount==2) {
				if(args[1].equalsIgnoreCase("syntax")) {
					TableTable schemaTableTable=connector.getSchema().getTable();
					for(int c=-1;c commands=c==-1?getGlobalAOSHCommands():schemaTable.getAOSHCommands(connector);
						printHelpList(out, title, commands, false, c>=0);
					}
					out.flush();
				} else {
					// Try to find the command
					String comName = args[1];
					Command aoshCommand = get(comName);
					if(aoshCommand == null) {
						// Case-insensitive search
						for(Command com : getRows()) {
							if(com.getCommand().equalsIgnoreCase(comName)) {
								aoshCommand = com;
								break;
							}
						}
					}
					if(aoshCommand != null) {
						aoshCommand.printCommandHelp(out);
						out.flush();
					} else {
						err.print("aosh: help: help on command not found: ");
						err.println(comName);
						err.flush();
					}
				}
			} else {
				// Get help for one specific task here
				err.println("aosh: help: too many parameters");
				err.flush();
			}
			return true;
		}
		return false;
	}

	private void printHelpList(TerminalWriter out, String title, List commands, boolean shortOrSchema, boolean println) throws IOException {
		int len=commands.size();
		if(len>0) {
			if(println) out.println();
			out.boldOn();
			out.println(title);
			out.attributesOff();
			for(int c=0;c0 && d<(space-1)?'.':' ');
				// Print the description without the HTML tags
				String desc = shortOrSchema ? aoshCom.getDescription() : aoshCom.getSyntax();
				Command.printNoHTML(out, desc);
				out.println();
			}
		}
	}

	@Override
	public void clearCache() {
		super.clearCache();
		synchronized(this) {
			tableCommands.clear();
		}
	}

	@Override
	public Command get(String command) throws IOException, SQLException {
		return getUniqueRow(Command.COLUMN_COMMAND, command);
	}
}