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java/sql-dk/src/info/globalcode/sql/dk/CLIParser.java
author František Kučera <franta-hg@frantovo.cz>
Thu, 02 Jan 2014 19:59:33 +0100
branchv_0
changeset 113 575a8c6b91ad
parent 107 8189a4a28cd8
child 155 eb3676c6929b
permissions -rw-r--r--
Relax NG schema for XML configuration 
     1 /**

     2  * SQL-DK

     3  * Copyright © 2013 František Kučera (frantovo.cz)

     4  *

     5  * This program is free software: you can redistribute it and/or modify

     6  * it under the terms of the GNU General Public License as published by

     7  * the Free Software Foundation, either version 3 of the License, or

     8  * (at your option) any later version.

     9  *

    10  * This program is distributed in the hope that it will be useful,

    11  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

    13  * GNU General Public License for more details.

    14  *

    15  * You should have received a copy of the GNU General Public License

    16  * along with this program. If not, see <http://www.gnu.org/licenses/>.

    17  */

    18 package info.globalcode.sql.dk;

    19 

    20 import info.globalcode.sql.dk.InfoLister.InfoType;

    21 import info.globalcode.sql.dk.configuration.Property;

    22 import java.util.ArrayList;

    23 import java.util.HashMap;

    24 import java.util.List;

    25 import java.util.Map;

    26 

    27 /**

    28  *

    29  * @author Ing. František Kučera (frantovo.cz)

    30  */

    31 public class CLIParser {

    32 

    33 	public static final String TYPE_NAME_SEPARATOR = ":";

    34 

    35 	public CLIOptions parseOptions(String[] args) throws CLIParserException {

    36 		CLIOptions options = new CLIOptions();

    37 

    38 		List<SQLType> numberedTypes = new ArrayList<>();

    39 		Map<String, SQLType> namedTypes = new HashMap<>();

    40 

    41 		for (int i = 0; i < args.length; i++) {

    42 			String arg = args[i];

    43 			switch (arg) {

    44 				case Tokens.TYPES:

    45 					String typesString = fetchNext(args, ++i);

    46 

    47 					for (String oneType : typesString.split(",")) {

    48 						int sepatratorIndex = oneType.indexOf(TYPE_NAME_SEPARATOR);

    49 						if (sepatratorIndex == -1) {

    50 							numberedTypes.add(getType(oneType.toUpperCase()));

    51 						} else {

    52 							String namePart = oneType.substring(0, sepatratorIndex).trim();

    53 							String typePart = oneType.substring(sepatratorIndex + TYPE_NAME_SEPARATOR.length(), oneType.length());

    54 							namedTypes.put(namePart, getType(typePart.toUpperCase()));

    55 						}

    56 					}

    57 					break;

    58 				case Tokens.NAME_PREFIX:

    59 					options.setNamePrefix(fetchNext(args, ++i));

    60 					break;

    61 				case Tokens.NAME_SUFFIX:

    62 					options.setNameSuffix(fetchNext(args, ++i));

    63 					break;

    64 				case Tokens.DB:

    65 					options.setDatabaseName(fetchNext(args, ++i));

    66 					break;

    67 				case Tokens.SQL:

    68 					options.setSql(fetchNext(args, ++i));

    69 					break;

    70 				case Tokens.BATCH:

    71 					options.setBatch(true);

    72 					break;

    73 				case Tokens.DATA: // --data is the last option

    74 					for (i++; i < args.length; i++) {

    75 						arg = args[i];

    76 						Parameter parameter;

    77 						if (numberedTypes.isEmpty()) {

    78 							parameter = new Parameter(arg, null);

    79 						} else {

    80 							int paramIndex = options.getNumberedParameters().size();

    81 							SQLType paramType;

    82 							try {

    83 								paramType = numberedTypes.get(paramIndex);

    84 							} catch (IndexOutOfBoundsException e) {

    85 								throw new CLIParserException("Missing type for parameter #" + paramIndex, e);

    86 							} catch (NullPointerException e) {

    87 								throw new CLIParserException("Invalid type definition for parameter #" + paramIndex, e);

    88 							}

    89 							parameter = new Parameter(arg, paramType);

    90 						}

    91 						options.addNumberedParameter(parameter);

    92 					}

    93 					break;

    94 				case Tokens.DATA_NAMED:

    95 					for (i++; i < args.length; i++) {

    96 						String paramName = args[i];

    97 						String paramValue = fetchNext(args, ++i);

    98 						options.addNamedParameter(new NamedParameter(paramName, paramValue, namedTypes.get(paramName)));

    99 					}

   100 					break;

   101 				case Tokens.FORMATTER:

   102 					options.setFormatterName(fetchNext(args, ++i));

   103 					break;

   104 				case Tokens.DB_PROPERTY:

   105 					options.addDatabaseProperty(new Property(fetchNext(args, ++i), fetchNext(args, ++i)));

   106 					break;

   107 				case Tokens.FORMATTER_PROPERTY:

   108 					options.addFormatterProperty(new Property(fetchNext(args, ++i), fetchNext(args, ++i)));

   109 					break;

   110 				case Tokens.INFO_HELP:

   111 					options.addShowInfo(InfoType.HELP);

   112 					break;

   113 				case Tokens.INFO_FORMATTERS:

   114 					options.addShowInfo(InfoType.FORMATTERS);

   115 					break;

   116 				case Tokens.INFO_LICENSE:

   117 					options.addShowInfo(InfoType.LICENSE);

   118 					break;

   119 				case Tokens.INFO_TYPES:

   120 					options.addShowInfo(InfoType.TYPES);

   121 					break;

   122 				case Tokens.INFO_VERSION:

   123 					options.addShowInfo(InfoType.VERSION);

   124 					break;

   125 				case Tokens.INFO_DATABASES:

   126 					options.addShowInfo(InfoType.DATABASES);

   127 					break;

   128 				case Tokens.INFO_CONNECTION:

   129 					options.addShowInfo(InfoType.CONNECTION);

   130 					options.addDatabaseNameToTest(fetchNext(args, ++i));

   131 					break;

   132 				default:

   133 					throw new CLIParserException("Unknown option: " + arg);

   134 			}

   135 		}

   136 		return options;

   137 	}

   138 

   139 	private String fetchNext(String[] args, int index) throws CLIParserException {

   140 		if (index < args.length) {

   141 			return args[index];

   142 		} else {

   143 			throw new CLIParserException("Expecting value for option: " + args[index - 1]);

   144 		}

   145 	}

   146 

   147 	public static class Tokens {

   148 

   149 		// bash-completion:options:

   150 		public static final String DB = "--db"; // bash-completion:option // help: database name

   151 		public static final String DB_PROPERTY = "--db-property"; // bash-completion:option // help: name and value

   152 		public static final String SQL = "--sql"; // bash-completion:option // help: SQL query/command

   153 		public static final String BATCH = "--batch"; // bash-completion:option // help: batch mode (no argument)

   154 		public static final String DATA = "--data"; // bash-completion:option // help: list of ordinal parameters

   155 		public static final String DATA_NAMED = "--data-named"; // bash-completion:option // help: list of named parameters

   156 		public static final String NAME_PREFIX = "--name-prefix"; // bash-completion:option // help: parameter name prefix – regular expression

   157 		public static final String NAME_SUFFIX = "--name-suffix"; // bash-completion:option // help: parameter name suffix – regular expression

   158 		public static final String TYPES = "--types"; // bash-completion:option // help: comma separated list of parameter types

   159 		public static final String FORMATTER = "--formatter"; // bash-completion:option // help: name of the output formatter

   160 		public static final String FORMATTER_PROPERTY = "--formatter-property"; // bash-completion:option // help: name and value

   161 		public static final String INFO_HELP = "--help"; // bash-completion:option // help: print this help

   162 		public static final String INFO_VERSION = "--version"; // bash-completion:option // help: print version info

   163 		public static final String INFO_LICENSE = "--license"; // bash-completion:option // help: print license

   164 		public static final String INFO_FORMATTERS = "--list-formatters"; // bash-completion:option // help: print list of available formatters

   165 		public static final String INFO_TYPES = "--list-types"; // bash-completion:option // help: print list of available data types

   166 		public static final String INFO_DATABASES = "--list-databases"; // bash-completion:option // help: print list of configured databases

   167 		public static final String INFO_CONNECTION = "--test-connection"; // bash-completion:option // help: test connection to particular database

   168 

   169 		private Tokens() {

   170 		}

   171 	}

   172 

   173 	private SQLType getType(String typeString) throws CLIParserException {

   174 		try {

   175 			return SQLType.valueOf(typeString.trim());

   176 		} catch (IllegalArgumentException e) {

   177 			throw new CLIParserException("Unsupported type: " + typeString, e);

   178 		}

   179 	}

   180 }
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