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java/sql-dk/src/info/globalcode/sql/dk/CLIOptions.java
author František Kučera <franta-hg@frantovo.cz>
Sun, 22 Dec 2013 23:31:55 +0100
branchv_0
changeset 34 9335cf31c0f2
parent 29 d66858b4b563
child 37 9e6f8e5d5f98
permissions -rw-r--r--
first working version 
     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 static info.globalcode.sql.dk.Functions.isNotEmpty;

    21 import static info.globalcode.sql.dk.Functions.isEmpty;

    22 import static info.globalcode.sql.dk.Functions.equalz;

    23 import info.globalcode.sql.dk.SQLCommand.COMMAND_TYPE;

    24 import java.io.OutputStream;

    25 import java.util.ArrayList;

    26 import java.util.Collection;

    27 import java.util.EnumSet;

    28 import java.util.List;

    29 

    30 /**

    31  *

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

    33  */

    34 public class CLIOptions {

    35 

    36 	public static final String DEFAULT_NAME_PREFIX = ":";

    37 	private String sql;

    38 	private String databaseName;

    39 	private String databaseNameToTest;

    40 	private String namePrefix = DEFAULT_NAME_PREFIX;

    41 	private String formatterName;

    42 	private boolean batch;

    43 

    44 	public enum MODE {

    45 

    46 		QUERY_NOW,

    47 		PREPARE_BATCH,

    48 		EXECUTE_BATCH,

    49 		JUST_SHOW_INFO

    50 	}

    51 

    52 	public enum INFO_TYPE {

    53 

    54 		HELP,

    55 		VERSION,

    56 		LICENSE,

    57 		FORMATTERS,

    58 		TYPES,

    59 		DATABASES,

    60 		CONNECTION

    61 	}

    62 	private COMMAND_TYPE commandType;

    63 	private final List<NamedParameter> namedParameters = new ArrayList<>();

    64 	private final List<Parameter> numberedParameters = new ArrayList<>();

    65 	private final EnumSet<INFO_TYPE> showInfo = EnumSet.noneOf(INFO_TYPE.class);

    66 

    67 	public void validate() throws InvalidOptionsException {

    68 		InvalidOptionsException e = new InvalidOptionsException();

    69 

    70 		MODE mode = getMode();

    71 		if (mode == null) {

    72 			e.addProblem(new InvalidOptionsException.OptionProblem("Invalid combination of DB, SQL and BATCH – please specify just 2 of this 3 options"));

    73 		} else if (mode == MODE.JUST_SHOW_INFO) {

    74 			if (!namedParameters.isEmpty()) {

    75 				e.addProblem(new InvalidOptionsException.OptionProblem("Do not use named parameters if just showing info."));

    76 			}

    77 			if (!numberedParameters.isEmpty()) {

    78 				e.addProblem(new InvalidOptionsException.OptionProblem("Do not use numbered parameters if just showing info."));

    79 			}

    80 			if (isNotEmpty(sql, false)) {

    81 				e.addProblem(new InvalidOptionsException.OptionProblem("Do not specify SQL if just showing info."));

    82 			}

    83 			if (isNotEmpty(databaseName, false)) {

    84 				e.addProblem(new InvalidOptionsException.OptionProblem("Do not specify database if just showing info."));

    85 			}

    86 			if (batch) {

    87 				e.addProblem(new InvalidOptionsException.OptionProblem("Do not specify batch if just showing info."));

    88 			}

    89 			if (isNotEmpty(formatterName, false)) {

    90 				e.addProblem(new InvalidOptionsException.OptionProblem("Do not specify formatter if just showing info."));

    91 			}

    92 			if (!equalz(namePrefix, DEFAULT_NAME_PREFIX)) {

    93 				e.addProblem(new InvalidOptionsException.OptionProblem("Do not specify name prefix if just showing info."));

    94 			}

    95 			if (showInfo.contains(INFO_TYPE.CONNECTION) && isEmpty(databaseNameToTest, false)) {

    96 				e.addProblem(new InvalidOptionsException.OptionProblem("Please specify which database should be tested."));

    97 			}

    98 		}

    99 

   100 		if (!namedParameters.isEmpty() && !numberedParameters.isEmpty()) {

   101 			e.addProblem(new InvalidOptionsException.OptionProblem("Named and numbered parameters can not be used together in one command."));

   102 		}

   103 

   104 

   105 		if (e.hasProblems()) {

   106 			throw e;

   107 		}

   108 	}

   109 

   110 	private boolean hasSql() {

   111 		return isNotEmpty(getSql(), true);

   112 	}

   113 

   114 	private boolean hasDb() {

   115 		return isNotEmpty(getDatabaseName(), true);

   116 	}

   117 

   118 	/**

   119 	 * Depends on options: DB, BATCH, SQL

   120 	 *

   121 	 * @return mode | or null if options are not yet initialized or combination of options is

   122 	 * invalid

   123 	 */

   124 	public MODE getMode() {

   125 		if (hasDb() && !batch && hasSql()) {

   126 			return MODE.QUERY_NOW;

   127 		} else if (!hasDb() && batch && hasSql()) {

   128 			return MODE.PREPARE_BATCH;

   129 		} else if (hasDb() && batch && !hasSql()) {

   130 			return MODE.EXECUTE_BATCH;

   131 		} else {

   132 			return showInfo.isEmpty() ? null : MODE.JUST_SHOW_INFO;

   133 		}

   134 	}

   135 

   136 	public String getSql() {

   137 		return sql;

   138 	}

   139 

   140 	public void setSql(String sql) {

   141 		this.sql = sql;

   142 	}

   143 

   144 	public String getDatabaseName() {

   145 		return databaseName;

   146 	}

   147 

   148 	public void setDatabaseName(String databaseName) {

   149 		this.databaseName = databaseName;

   150 	}

   151 

   152 	public void setBatch(boolean batch) {

   153 		this.batch = batch;

   154 	}

   155 

   156 	public COMMAND_TYPE getCommandType() {

   157 		return commandType;

   158 	}

   159 

   160 	public void setCommandType(COMMAND_TYPE commandType) {

   161 		this.commandType = commandType;

   162 	}

   163 

   164 	public Collection<NamedParameter> getNamedParameters() {

   165 		return namedParameters;

   166 	}

   167 

   168 	public List<Parameter> getNumberedParameters() {

   169 		return numberedParameters;

   170 	}

   171 

   172 	public void addNumberedParameter(Parameter p) {

   173 		numberedParameters.add(p);

   174 	}

   175 

   176 	public void addNamedParameter(NamedParameter p) {

   177 		namedParameters.add(p);

   178 	}

   179 

   180 	public String getNamePrefix() {

   181 		return namePrefix;

   182 	}

   183 

   184 	public void setNamePrefix(String namePrefix) {

   185 		this.namePrefix = namePrefix;

   186 	}

   187 

   188 	public String getFormatterName() {

   189 		return formatterName;

   190 	}

   191 

   192 	public void setFormatterName(String formatterName) {

   193 		this.formatterName = formatterName;

   194 	}

   195 

   196 	public void addShowInfo(INFO_TYPE info) {

   197 		showInfo.add(info);

   198 	}

   199 

   200 	public EnumSet<INFO_TYPE> getShowInfo() {

   201 		return showInfo;

   202 	}

   203 

   204 	public String getDatabaseNameToTest() {

   205 		return databaseNameToTest;

   206 	}

   207 

   208 	public void setDatabaseNameToTest(String databaseNameToTest) {

   209 		this.databaseNameToTest = databaseNameToTest;

   210 	}

   211 

   212 	public SQLCommand getSQLCommand() {

   213 		if (namedParameters.isEmpty()) {

   214 			return new SQLCommandNumbered(commandType, sql, numberedParameters);

   215 		} else {

   216 			return new SQLCommandNamed(commandType, sql, namedParameters);

   217 		}

   218 	}

   219 

   220 	public OutputStream getOutputStream() {

   221 		return System.out;

   222 	}

   223 }
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