author | František Kučera <franta-hg@frantovo.cz> |
Thu, 26 Dec 2013 21:47:33 +0100 | |
branch | v_0 |
changeset 70 | 02c8eaa425e8 |
parent 69 | 0befec5034c2 |
child 75 | 43aa4625ab7e |
permissions | -rw-r--r-- |
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license: GNU GPLv3+
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/** |
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license: GNU GPLv3+
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* SQL-DK |
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license: GNU GPLv3+
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* Copyright © 2013 František Kučera (frantovo.cz) |
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license: GNU GPLv3+
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* |
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license: GNU GPLv3+
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* This program is free software: you can redistribute it and/or modify |
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license: GNU GPLv3+
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* it under the terms of the GNU General Public License as published by |
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license: GNU GPLv3+
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* the Free Software Foundation, either version 3 of the License, or |
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license: GNU GPLv3+
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* (at your option) any later version. |
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license: GNU GPLv3+
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* |
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license: GNU GPLv3+
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* This program is distributed in the hope that it will be useful, |
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license: GNU GPLv3+
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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license: GNU GPLv3+
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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license: GNU GPLv3+
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* GNU General Public License for more details. |
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license: GNU GPLv3+
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* |
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license: GNU GPLv3+
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* You should have received a copy of the GNU General Public License |
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license: GNU GPLv3+
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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license: GNU GPLv3+
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*/ |
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package info.globalcode.sql.dk; |
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|
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configuration basics
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import info.globalcode.sql.dk.configuration.ConfigurationProvider; |
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import info.globalcode.sql.dk.CLIOptions.MODE; |
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import info.globalcode.sql.dk.configuration.Configuration; |
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import info.globalcode.sql.dk.configuration.ConfigurationException; |
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import info.globalcode.sql.dk.configuration.DatabaseDefinition; |
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import info.globalcode.sql.dk.configuration.FormatterDefinition; |
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import info.globalcode.sql.dk.formatting.Formatter; |
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import info.globalcode.sql.dk.formatting.FormatterContext; |
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import info.globalcode.sql.dk.formatting.FormatterException; |
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import java.io.IOException; |
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import java.io.PrintStream; |
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import java.sql.SQLException; |
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import java.util.logging.Level; |
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import java.util.logging.LogRecord; |
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import java.util.logging.Logger; |
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import javax.xml.bind.JAXBContext; |
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import javax.xml.bind.Unmarshaller; |
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/** |
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* |
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* @author Ing. František Kučera (frantovo.cz) |
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*/ |
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public class CLIStarter implements ConfigurationProvider { |
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private static final Logger log = Logger.getLogger(CLIStarter.class.getName()); |
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private static final int EXIT_SUCCESS = 0; |
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private static final int EXIT_EXPECTED_ERROR = 3; |
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private static final int EXIT_SQL_ERROR = 4; |
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private CLIOptions options; |
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private Configuration configuration; |
13 | 50 |
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public static void main(String[] args) { |
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log.log(Level.FINE, "Starting " + Constants.PROGRAM_NAME); |
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int exitCode = EXIT_EXPECTED_ERROR; |
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|
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if (args.length == 0) { |
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args = new String[]{CLIParser.Tokens.INFO_HELP}; |
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} |
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try { |
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CLIParser parser = new CLIParser(); |
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CLIOptions options = parser.parseOptions(args); |
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options.validate(); |
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CLIStarter starter = new CLIStarter(options); |
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starter.installDefaultConfiguration(); |
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starter.process(); |
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log.log(Level.FINE, "All done"); |
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exitCode = EXIT_SUCCESS; |
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} catch (CLIParserException e) { |
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log.log(Level.SEVERE, "Unable to parse CLI options", e); |
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} catch (InvalidOptionsException e) { |
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log.log(Level.SEVERE, "Invalid CLI options", e); |
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for (InvalidOptionsException.OptionProblem p : e.getProblems()) { |
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LogRecord r = new LogRecord(Level.SEVERE, "Option problem: {0}"); |
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r.setThrown(p.getException()); |
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r.setParameters(new Object[]{p.getDescription()}); |
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log.log(r); |
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} |
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} catch (ConfigurationException e) { |
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log.log(Level.SEVERE, "Configuration problem", e); |
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} catch (SQLException e) { |
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log.log(Level.SEVERE, "SQL problem", e); |
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exitCode = EXIT_SQL_ERROR; |
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} catch (FormatterException e) { |
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log.log(Level.SEVERE, "Formatting problem", e); |
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} |
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86 |
|
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System.exit(exitCode); |
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} |
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public CLIStarter(CLIOptions options) { |
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this.options = options; |
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} |
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|
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private void process() throws ConfigurationException, SQLException, FormatterException { |
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MODE mode = options.getMode(); |
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96 |
|
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/** Show info */ |
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98 |
if (!options.getShowInfo().isEmpty()) { |
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PrintStream infoOut = mode == MODE.JUST_SHOW_INFO ? System.out : System.err; |
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100 |
InfoLister infoLister = new InfoLister(infoOut, this, options); |
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101 |
infoLister.showInfo(); |
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102 |
} |
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103 |
|
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104 |
switch (mode) { |
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105 |
case QUERY_NOW: |
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106 |
processQueryNow(); |
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107 |
break; |
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108 |
case PREPARE_BATCH: |
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109 |
processPrepareBatch(); |
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110 |
break; |
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111 |
case EXECUTE_BATCH: |
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112 |
processExecuteBatch(); |
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113 |
break; |
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114 |
case JUST_SHOW_INFO: |
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115 |
// already done above |
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116 |
break; |
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117 |
default: |
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118 |
log.log(Level.SEVERE, "Unsupported mode: {0}", mode); |
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119 |
break; |
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120 |
} |
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} |
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|
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private void processQueryNow() throws ConfigurationException, SQLException, FormatterException { |
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DatabaseDefinition dd = getConfiguration().getDatabase(options.getDatabaseName()); |
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if (dd == null) { |
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throw new ConfigurationException("Database is not configured: " + options.getDatabaseName()); |
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127 |
} else { |
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FormatterDefinition fd = configuration.getFormatter(options.getFormatterName()); |
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if (fd == null) { |
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throw new ConfigurationException("Formatter is not configured: " + options.getFormatterName()); |
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131 |
} else { |
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132 |
try (DatabaseConnection c = dd.connect()) { |
55 | 133 |
log.log(Level.FINE, "Database connected"); |
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Formatter f = fd.getInstance(new FormatterContext(options.getOutputStream())); |
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c.executeQuery(options.getSQLCommand(), f); |
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136 |
} |
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} |
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138 |
} |
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139 |
} |
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140 |
|
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141 |
private void processPrepareBatch() { |
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142 |
} |
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143 |
|
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private void processExecuteBatch() { |
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} |
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146 |
|
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@Override |
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148 |
public Configuration getConfiguration() throws ConfigurationException { |
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149 |
if (configuration == null) { |
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configuration = loadConfiguration(); |
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151 |
} |
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return configuration; |
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153 |
} |
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154 |
|
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private void installDefaultConfiguration() throws ConfigurationException { |
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156 |
Constants.DIR.mkdir(); |
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157 |
|
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if (Constants.CONFIG_FILE.exists()) { |
55 | 159 |
log.log(Level.FINER, "Config file already exists: {0}", Constants.CONFIG_FILE); |
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160 |
} else { |
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161 |
try { |
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Functions.installResource(Constants.EXAMPLE_CONFIG_FILE, Constants.CONFIG_FILE); |
55 | 163 |
log.log(Level.FINE, "Installing default config file: {0}", Constants.CONFIG_FILE); |
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164 |
} catch (IOException e) { |
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throw new ConfigurationException("Unable to write example configuration to " + Constants.CONFIG_FILE, e); |
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166 |
} |
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167 |
} |
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168 |
} |
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169 |
|
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170 |
private Configuration loadConfiguration() throws ConfigurationException { |
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171 |
try { |
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172 |
JAXBContext jaxb = JAXBContext.newInstance(Configuration.class); |
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Unmarshaller u = jaxb.createUnmarshaller(); |
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174 |
return (Configuration) u.unmarshal(Constants.CONFIG_FILE); |
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175 |
} catch (Exception e) { |
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throw new ConfigurationException("Unable to load configuration from " + Constants.CONFIG_FILE, e); |
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177 |
} |
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178 |
} |
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179 |
} |