java/sql-dk/src/info/globalcode/sql/dk/CLIParser.java
branchv_0
changeset 8 4507cb9a0cf1
parent 5 26223eb63851
child 9 2ec52027b97f
equal deleted inserted replaced
7:a7555ec6eea9 8:4507cb9a0cf1
    35 
    35 
    36 		for (int i = 0; i < args.length; i++) {
    36 		for (int i = 0; i < args.length; i++) {
    37 			String arg = args[i];
    37 			String arg = args[i];
    38 			switch (arg) {
    38 			switch (arg) {
    39 				case Tokens.TYPES:
    39 				case Tokens.TYPES:
    40 					String typesString = args[++i];
    40 					String typesString = fetchNext(args, ++i);
    41 
    41 
    42 					for (String oneType : typesString.split("\\s*,\\s*")) {
    42 					for (String oneType : typesString.split("\\s*,\\s*")) {
    43 						int sepatratorIndex = oneType.indexOf(TYPE_NAME_SEPARATOR);
    43 						int sepatratorIndex = oneType.indexOf(TYPE_NAME_SEPARATOR);
    44 						if (sepatratorIndex == -1) {
    44 						if (sepatratorIndex == -1) {
    45 							numberedTypes.add(getType(oneType));
    45 							numberedTypes.add(getType(oneType));
    49 							namedTypes.put(namePart, getType(typePart));
    49 							namedTypes.put(namePart, getType(typePart));
    50 						}
    50 						}
    51 					}
    51 					}
    52 					break;
    52 					break;
    53 				case Tokens.NAME_PREFIX:
    53 				case Tokens.NAME_PREFIX:
    54 					options.setNamePrefix(args[++i]);
    54 					options.setNamePrefix(fetchNext(args, ++i));
    55 					break;
    55 					break;
    56 				case Tokens.DB:
    56 				case Tokens.DB:
    57 					options.setDatabaseName(args[++i]);
    57 					options.setDatabaseName(fetchNext(args, ++i));
    58 					break;
    58 					break;
    59 				case Tokens.SQL:
    59 				case Tokens.SQL:
    60 					options.setSql(args[++i]);
    60 					options.setSql(fetchNext(args, ++i));
    61 					options.setCommandType(CLIOptions.COMMAND_TYPE.QUERY);
    61 					options.setCommandType(CLIOptions.COMMAND_TYPE.QUERY);
    62 					break;
    62 					break;
    63 				case Tokens.SQL_UPDATE:
    63 				case Tokens.SQL_UPDATE:
    64 				case Tokens.SQL_INSERT:
    64 				case Tokens.SQL_INSERT:
    65 					options.setSql(args[++i]);
    65 					options.setSql(fetchNext(args, ++i));
    66 					options.setCommandType(CLIOptions.COMMAND_TYPE.UPDATE);
    66 					options.setCommandType(CLIOptions.COMMAND_TYPE.UPDATE);
    67 					break;
    67 					break;
    68 				case Tokens.BATCH:
    68 				case Tokens.BATCH:
    69 					options.setBatch(true);
    69 					options.setBatch(true);
    70 					break;
    70 					break;
    71 				case Tokens.DATA: // --data is the last option
    71 				case Tokens.DATA: // --data is the last option
    72 					for (i++; i < args.length; i++) {
    72 					for (i++; i < args.length; i++) {
    73 						arg = args[i];
    73 						arg = args[i];
    74 
    74 
    75 						if (arg.startsWith(options.getNamePrefix())) {
    75 						if (arg.startsWith(options.getNamePrefix())) { // Named parameters:
    76 							String paramName = arg.substring(options.getNamePrefix().length());
    76 							String paramName = arg.substring(options.getNamePrefix().length());
    77 							String paramValue = args[++i];
    77 							String paramValue = fetchNext(args, ++i);
    78 							options.addNamedParameter(new NamedParameter(paramName, paramValue, namedTypes.get(paramName)));
    78 							options.addNamedParameter(new NamedParameter(paramName, paramValue, namedTypes.get(paramName)));
    79 						} else {
    79 						} else { // Numbered parameters:
    80 							int paramIndex = options.getNumberedParameters().size();
    80 							Parameter parameter;
    81 							int paramType;
    81 							if (numberedTypes.isEmpty()) {
    82 							try {
    82 								parameter = new Parameter(arg, null);
    83 								paramType = numberedTypes.get(paramIndex);
    83 							} else {
    84 							} catch (IndexOutOfBoundsException e) {
    84 								int paramIndex = options.getNumberedParameters().size();
    85 								throw new IllegalArgumentException("Missing type for parameter #" + paramIndex, e);
    85 								int paramType;
    86 							} catch (NullPointerException e) {
    86 								try {
    87 								throw new IllegalArgumentException("Invalid type definition for parameter #" + paramIndex, e);
    87 									paramType = numberedTypes.get(paramIndex);
       
    88 								} catch (IndexOutOfBoundsException e) {
       
    89 									throw new IllegalArgumentException("Missing type for parameter #" + paramIndex, e);
       
    90 								} catch (NullPointerException e) {
       
    91 									throw new IllegalArgumentException("Invalid type definition for parameter #" + paramIndex, e);
       
    92 								}
       
    93 								parameter = new Parameter(arg, paramType);
    88 							}
    94 							}
    89 							options.addNumberedParameter(new Parameter(arg, paramType));
    95 							options.addNumberedParameter(parameter);
    90 						}
    96 						}
    91 					}
    97 					}
    92 					break;
    98 					break;
    93 				default:
    99 				default:
    94 					throw new IllegalArgumentException("Unknown option: " + arg);
   100 					throw new IllegalArgumentException("Unknown option: " + arg);
    95 			}
   101 			}
    96 		}
   102 		}
       
   103 		return options;
       
   104 	}
    97 
   105 
    98 
   106 	private String fetchNext(String[] args, int index) {
    99 
   107 		if (index < args.length) {
   100 		return options;
   108 			return args[index];
   101 
   109 		} else {
       
   110 			throw new IllegalArgumentException("Expecting value for option: " + args[index - 1]);
       
   111 		}
   102 	}
   112 	}
   103 
   113 
   104 	public static class Tokens {
   114 	public static class Tokens {
   105 
   115 
   106 		public static final String DB = "--db";
   116 		public static final String DB = "--db";
   114 
   124 
   115 		private Tokens() {
   125 		private Tokens() {
   116 		}
   126 		}
   117 	}
   127 	}
   118 
   128 
   119 	private Integer getType(String typeString) {
   129 	private int getType(String typeString) {
   120 		return types.get(typeString);
   130 		Integer type = types.get(typeString);
       
   131 		if (type == null) {
       
   132 			throw new IllegalArgumentException("Unsupported type: " + typeString);
       
   133 		} else {
       
   134 			return type;
       
   135 		}
   121 	}
   136 	}
   122 }
   137 }