franta-hg@16: /**
franta-hg@16: * SQL-DK
franta-hg@16: * Copyright © 2013 František Kučera (frantovo.cz)
franta-hg@16: *
franta-hg@16: * This program is free software: you can redistribute it and/or modify
franta-hg@16: * it under the terms of the GNU General Public License as published by
franta-hg@16: * the Free Software Foundation, either version 3 of the License, or
franta-hg@16: * (at your option) any later version.
franta-hg@16: *
franta-hg@16: * This program is distributed in the hope that it will be useful,
franta-hg@16: * but WITHOUT ANY WARRANTY; without even the implied warranty of
franta-hg@16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
franta-hg@16: * GNU General Public License for more details.
franta-hg@16: *
franta-hg@16: * You should have received a copy of the GNU General Public License
franta-hg@16: * along with this program. If not, see .
franta-hg@16: */
franta-hg@1: package info.globalcode.sql.dk;
franta-hg@1:
franta-hg@4: import java.sql.Types;
franta-hg@4: import java.util.ArrayList;
franta-hg@4: import java.util.Collections;
franta-hg@4: import java.util.HashMap;
franta-hg@4: import java.util.List;
franta-hg@4: import java.util.Map;
franta-hg@4:
franta-hg@1: /**
franta-hg@1: *
franta-hg@1: * @author Ing. František Kučera (frantovo.cz)
franta-hg@1: */
franta-hg@5: public class CLIParser {
franta-hg@1:
franta-hg@4: public static final String TYPE_NAME_SEPARATOR = ":";
franta-hg@5: private final Map types;
franta-hg@4:
franta-hg@5: public CLIParser() {
franta-hg@4: Map m = new HashMap<>();
franta-hg@4: m.put("int", Types.INTEGER);
franta-hg@4: m.put("string", Types.VARCHAR);
franta-hg@4: m.put("boolean", Types.BOOLEAN);
franta-hg@4: /**
franta-hg@4: * TODO: more types
franta-hg@4: */
franta-hg@4: types = Collections.unmodifiableMap(m);
franta-hg@4: }
franta-hg@4:
franta-hg@9: public CLIOptions parseOptions(String[] args) throws CLIParserException {
franta-hg@1: CLIOptions options = new CLIOptions();
franta-hg@1:
franta-hg@4: List numberedTypes = new ArrayList<>();
franta-hg@4: Map namedTypes = new HashMap<>();
franta-hg@2:
franta-hg@1: for (int i = 0; i < args.length; i++) {
franta-hg@1: String arg = args[i];
franta-hg@2: switch (arg) {
franta-hg@2: case Tokens.TYPES:
franta-hg@8: String typesString = fetchNext(args, ++i);
franta-hg@4:
franta-hg@10: for (String oneType : typesString.split(",")) {
franta-hg@4: int sepatratorIndex = oneType.indexOf(TYPE_NAME_SEPARATOR);
franta-hg@4: if (sepatratorIndex == -1) {
franta-hg@4: numberedTypes.add(getType(oneType));
franta-hg@4: } else {
franta-hg@12: String namePart = oneType.substring(0, sepatratorIndex).trim();
franta-hg@4: String typePart = oneType.substring(sepatratorIndex + TYPE_NAME_SEPARATOR.length(), oneType.length());
franta-hg@4: namedTypes.put(namePart, getType(typePart));
franta-hg@4: }
franta-hg@4: }
franta-hg@2: break;
franta-hg@2: case Tokens.NAME_PREFIX:
franta-hg@8: options.setNamePrefix(fetchNext(args, ++i));
franta-hg@2: break;
franta-hg@1: case Tokens.DB:
franta-hg@8: options.setDatabaseName(fetchNext(args, ++i));
franta-hg@1: break;
franta-hg@1: case Tokens.SQL:
franta-hg@8: options.setSql(fetchNext(args, ++i));
franta-hg@2: options.setCommandType(CLIOptions.COMMAND_TYPE.QUERY);
franta-hg@1: break;
franta-hg@1: case Tokens.SQL_UPDATE:
franta-hg@2: case Tokens.SQL_INSERT:
franta-hg@8: options.setSql(fetchNext(args, ++i));
franta-hg@2: options.setCommandType(CLIOptions.COMMAND_TYPE.UPDATE);
franta-hg@1: break;
franta-hg@1: case Tokens.BATCH:
franta-hg@2: options.setBatch(true);
franta-hg@1: break;
franta-hg@4: case Tokens.DATA: // --data is the last option
franta-hg@4: for (i++; i < args.length; i++) {
franta-hg@4: arg = args[i];
franta-hg@4:
franta-hg@8: if (arg.startsWith(options.getNamePrefix())) { // Named parameters:
franta-hg@4: String paramName = arg.substring(options.getNamePrefix().length());
franta-hg@8: String paramValue = fetchNext(args, ++i);
franta-hg@4: options.addNamedParameter(new NamedParameter(paramName, paramValue, namedTypes.get(paramName)));
franta-hg@8: } else { // Numbered parameters:
franta-hg@8: Parameter parameter;
franta-hg@8: if (numberedTypes.isEmpty()) {
franta-hg@8: parameter = new Parameter(arg, null);
franta-hg@8: } else {
franta-hg@8: int paramIndex = options.getNumberedParameters().size();
franta-hg@8: int paramType;
franta-hg@8: try {
franta-hg@8: paramType = numberedTypes.get(paramIndex);
franta-hg@8: } catch (IndexOutOfBoundsException e) {
franta-hg@9: throw new CLIParserException("Missing type for parameter #" + paramIndex, e);
franta-hg@8: } catch (NullPointerException e) {
franta-hg@9: throw new CLIParserException("Invalid type definition for parameter #" + paramIndex, e);
franta-hg@8: }
franta-hg@8: parameter = new Parameter(arg, paramType);
franta-hg@4: }
franta-hg@8: options.addNumberedParameter(parameter);
franta-hg@4: }
franta-hg@4: }
franta-hg@1: break;
franta-hg@14: case Tokens.FORMATTER:
franta-hg@14: options.setFormatterName(fetchNext(args, ++i));
franta-hg@14: break;
franta-hg@14: case Tokens.INFO_HELP:
franta-hg@14: options.addShowInfo(CLIOptions.INFO_TYPE.HELP);
franta-hg@14: break;
franta-hg@14: case Tokens.INFO_FORMATTERS:
franta-hg@14: options.addShowInfo(CLIOptions.INFO_TYPE.FORMATTERS);
franta-hg@14: break;
franta-hg@14: case Tokens.INFO_LICENSE:
franta-hg@14: options.addShowInfo(CLIOptions.INFO_TYPE.LICENSE);
franta-hg@14: break;
franta-hg@14: case Tokens.INFO_TYPES:
franta-hg@14: options.addShowInfo(CLIOptions.INFO_TYPE.TYPES);
franta-hg@14: break;
franta-hg@14: case Tokens.INFO_VERSION:
franta-hg@14: options.addShowInfo(CLIOptions.INFO_TYPE.VERSION);
franta-hg@14: break;
franta-hg@15: case Tokens.INFO_DATABASES:
franta-hg@15: options.addShowInfo(CLIOptions.INFO_TYPE.DATABASES);
franta-hg@15: break;
franta-hg@15: case Tokens.INFO_CONNECTION:
franta-hg@15: options.addShowInfo(CLIOptions.INFO_TYPE.CONNECTION);
franta-hg@15: options.setDatabaseNameToTest(fetchNext(args, ++i));
franta-hg@15: break;
franta-hg@4: default:
franta-hg@9: throw new CLIParserException("Unknown option: " + arg);
franta-hg@1: }
franta-hg@1: }
franta-hg@8: return options;
franta-hg@8: }
franta-hg@1:
franta-hg@9: private String fetchNext(String[] args, int index) throws CLIParserException {
franta-hg@8: if (index < args.length) {
franta-hg@8: return args[index];
franta-hg@8: } else {
franta-hg@9: throw new CLIParserException("Expecting value for option: " + args[index - 1]);
franta-hg@8: }
franta-hg@1: }
franta-hg@1:
franta-hg@1: public static class Tokens {
franta-hg@1:
franta-hg@1: public static final String DB = "--db";
franta-hg@1: public static final String SQL = "--sql";
franta-hg@1: public static final String SQL_UPDATE = "--sql-update";
franta-hg@2: public static final String SQL_INSERT = "--sql-insert";
franta-hg@1: public static final String BATCH = "--batch";
franta-hg@1: public static final String DATA = "--data";
franta-hg@2: public static final String NAME_PREFIX = "--name-prefix";
franta-hg@1: public static final String TYPES = "--types";
franta-hg@14: public static final String FORMATTER = "--formatter";
franta-hg@14: public static final String INFO_HELP = "--help";
franta-hg@14: public static final String INFO_VERSION = "--version";
franta-hg@14: public static final String INFO_LICENSE = "--license";
franta-hg@14: public static final String INFO_FORMATTERS = "--list-formatters";
franta-hg@14: public static final String INFO_TYPES = "--list-types";
franta-hg@15: public static final String INFO_DATABASES = "--list-databases";
franta-hg@15: public static final String INFO_CONNECTION = "--test-connection";
franta-hg@1:
franta-hg@1: private Tokens() {
franta-hg@1: }
franta-hg@1: }
franta-hg@4:
franta-hg@9: private int getType(String typeString) throws CLIParserException {
franta-hg@10: Integer type = types.get(typeString.trim());
franta-hg@8: if (type == null) {
franta-hg@9: throw new CLIParserException("Unsupported type: " + typeString);
franta-hg@8: } else {
franta-hg@8: return type;
franta-hg@8: }
franta-hg@4: }
franta-hg@1: }