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java/sql-dk/src/info/globalcode/sql/dk/CLIOptions.java
author František Kučera <franta-hg@frantovo.cz>
Thu, 26 Dec 2013 21:18:54 +0100
branchv_0
changeset 69 0befec5034c2
parent 63 3b9ec9c23a37
child 71 e5d04a68ce1e
permissions -rw-r--r--
InfoLister, InfoType: switch → enum 
     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.InfoLister.InfoType;

    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 import java.util.regex.Pattern;

    30 import java.util.regex.PatternSyntaxException;

    31 

    32 /**

    33  *

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

    35  */

    36 public class CLIOptions {

    37 

    38 	public static final String DEFAULT_NAME_PREFIX = ":";

    39 	public static final String DEFAULT_NAME_SUFFIX = "(?=([^\\w]|$))";

    40 	private String sql;

    41 	private String databaseName;

    42 	private String databaseNameToTest;

    43 	private String namePrefix = DEFAULT_NAME_PREFIX;

    44 	private String nameSuffix = DEFAULT_NAME_SUFFIX;

    45 	private String formatterName;

    46 	private boolean batch;

    47 

    48 	public enum MODE {

    49 

    50 		QUERY_NOW,

    51 		PREPARE_BATCH,

    52 		EXECUTE_BATCH,

    53 		JUST_SHOW_INFO

    54 	}

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

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

    57 	private final EnumSet<InfoType> showInfo = EnumSet.noneOf(InfoType.class);

    58 

    59 	public void validate() throws InvalidOptionsException {

    60 		InvalidOptionsException e = new InvalidOptionsException();

    61 

    62 		MODE mode = getMode();

    63 		if (mode == null) {

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

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

    66 			if (!namedParameters.isEmpty()) {

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

    68 			}

    69 			if (!numberedParameters.isEmpty()) {

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

    71 			}

    72 			if (isNotEmpty(sql, false)) {

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

    74 			}

    75 			if (isNotEmpty(databaseName, false)) {

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

    77 			}

    78 			if (batch) {

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

    80 			}

    81 			if (isNotEmpty(formatterName, false)) {

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

    83 			}

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

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

    86 			}

    87 			if (!equalz(nameSuffix, DEFAULT_NAME_SUFFIX)) {

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

    89 			}

    90 			if (showInfo.contains(InfoType.CONNECTION) && isEmpty(databaseNameToTest, false)) {

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

    92 			}

    93 		}

    94 

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

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

    97 		}

    98 

    99 		try {

   100 			Pattern.compile(namePrefix + "test" + nameSuffix);

   101 		} catch (PatternSyntaxException regexException) {

   102 			e.addProblem(new InvalidOptionsException.OptionProblem("Ivalid regular expression in name prefix or suffix", regexException));

   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 Collection<NamedParameter> getNamedParameters() {

   157 		return namedParameters;

   158 	}

   159 

   160 	public List<Parameter> getNumberedParameters() {

   161 		return numberedParameters;

   162 	}

   163 

   164 	public void addNumberedParameter(Parameter p) {

   165 		numberedParameters.add(p);

   166 	}

   167 

   168 	public void addNamedParameter(NamedParameter p) {

   169 		namedParameters.add(p);

   170 	}

   171 

   172 	/**

   173 	 * @return regular expression describing the name prefix

   174 	 */

   175 	public String getNamePrefix() {

   176 		return namePrefix;

   177 	}

   178 

   179 	/**

   180 	 * @see #getNamePrefix()

   181 	 */

   182 	public void setNamePrefix(String namePrefix) {

   183 		this.namePrefix = namePrefix;

   184 	}

   185 

   186 	/**

   187 	 * @return regular expression describing the name prefix

   188 	 */

   189 	public String getNameSuffix() {

   190 		return nameSuffix;

   191 	}

   192 

   193 	/**

   194 	 * @see #getNameSuffix()

   195 	 */

   196 	public void setNameSuffix(String nameSuffix) {

   197 		this.nameSuffix = nameSuffix;

   198 	}

   199 

   200 	public String getFormatterName() {

   201 		return formatterName;

   202 	}

   203 

   204 	public void setFormatterName(String formatterName) {

   205 		this.formatterName = formatterName;

   206 	}

   207 

   208 	public void addShowInfo(InfoType info) {

   209 		showInfo.add(info);

   210 	}

   211 

   212 	public EnumSet<InfoType> getShowInfo() {

   213 		return showInfo;

   214 	}

   215 

   216 	public String getDatabaseNameToTest() {

   217 		return databaseNameToTest;

   218 	}

   219 

   220 	public void setDatabaseNameToTest(String databaseNameToTest) {

   221 		this.databaseNameToTest = databaseNameToTest;

   222 	}

   223 

   224 	public SQLCommand getSQLCommand() {

   225 		if (namedParameters.isEmpty()) {

   226 			return new SQLCommandNumbered(sql, numberedParameters);

   227 		} else {

   228 			return new SQLCommandNamed(sql, namedParameters, namePrefix, nameSuffix);

   229 		}

   230 	}

   231 

   232 	public OutputStream getOutputStream() {

   233 		return System.out;

   234 	}

   235 }
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