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/**
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* SQL-DK
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* Copyright © 2013 František Kučera (frantovo.cz)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package info.globalcode.sql.dk;
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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.ConfigurationProvider;
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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.ColumnsHeader;
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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.BufferedReader;
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import java.io.InputStreamReader;
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import java.io.PrintStream;
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import java.sql.SQLException;
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import java.util.ArrayList;
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import java.util.EnumSet;
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import java.util.List;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import javax.sql.rowset.RowSetMetaDataImpl;
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/**
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* Displays info like help, version etc.
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*
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* @author Ing. František Kučera (frantovo.cz)
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*/
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public class InfoLister {
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private static final Logger log = Logger.getLogger(InfoLister.class.getName());
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private PrintStream out;
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private ConfigurationProvider configurationProvider;
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private CLIOptions options;
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private Formatter formatter;
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public InfoLister(PrintStream out, ConfigurationProvider configurationProvider, CLIOptions options) {
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this.out = out;
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this.configurationProvider = configurationProvider;
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this.options = options;
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}
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public void showInfo() throws ConfigurationException, FormatterException {
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EnumSet<InfoType> commands = options.getShowInfo();
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for (InfoType infoType : commands) {
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switch (infoType) {
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// only these need formatted output
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case CONNECTION:
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case DATABASES:
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case FORMATTERS:
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case TYPES:
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try (Formatter f = getFormatter()) {
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formatter = f;
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formatter.writeStartBatch();
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formatter.writeStartDatabase(new DatabaseDefinition());
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showInfos(commands);
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formatter.writeEndDatabase();
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formatter.writeEndBatch();
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formatter.close();
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}
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break;
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default:
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showInfos(commands);
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}
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}
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}
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private void showInfos(EnumSet<InfoType> commands) throws ConfigurationException, FormatterException {
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for (InfoType infoType : commands) {
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infoType.showInfo(this);
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}
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}
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private void listFormatters() throws ConfigurationException, FormatterException {
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ColumnsHeader header = constructHeader(
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new HeaderField("name", SQLType.VARCHAR),
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new HeaderField("built_in", SQLType.BOOLEAN),
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new HeaderField("default", SQLType.BOOLEAN),
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new HeaderField("class_name", SQLType.VARCHAR));
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List<Object[]> data = new ArrayList<>();
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String defaultFormatter = configurationProvider.getConfiguration().getDefaultFormatter();
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defaultFormatter = defaultFormatter == null ? Configuration.DEFAULT_FORMATTER : defaultFormatter;
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for (FormatterDefinition fd : configurationProvider.getConfiguration().getBuildInFormatters()) {
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data.add(new Object[]{fd.getName(), true, defaultFormatter.equals(fd.getName()), fd.getClassName()});
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}
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for (FormatterDefinition fd : configurationProvider.getConfiguration().getFormatters()) {
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data.add(new Object[]{fd.getName(), false, defaultFormatter.equals(fd.getName()), fd.getClassName()});
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}
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printTable(formatter, header, data);
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}
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public void listTypes() throws FormatterException, ConfigurationException {
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ColumnsHeader header = constructHeader(new HeaderField("name", SQLType.VARCHAR), new HeaderField("code", SQLType.INTEGER));
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List<Object[]> data = new ArrayList<>();
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for (SQLType sqlType : SQLType.values()) {
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data.add(new Object[]{sqlType.name(), sqlType.getCode()});
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}
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printTable(formatter, header, data);
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log.log(Level.INFO, "Type names in --types option are case insensitive");
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}
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public void listDatabases() throws ConfigurationException, FormatterException {
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ColumnsHeader header = constructHeader(
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new HeaderField("database_name", SQLType.VARCHAR),
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new HeaderField("user_name", SQLType.VARCHAR),
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new HeaderField("database_url", SQLType.VARCHAR));
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List<Object[]> data = new ArrayList<>();
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final List<DatabaseDefinition> configuredDatabases = configurationProvider.getConfiguration().getDatabases();
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if (configuredDatabases.isEmpty()) {
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log.log(Level.WARNING, "No databases are configured.");
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} else {
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for (DatabaseDefinition dd : configuredDatabases) {
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data.add(new Object[]{dd.getName(), dd.getUserName(), dd.getUrl()});
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}
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}
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printTable(formatter, header, data);
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}
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franta-hg@17
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public void testConnection() throws FormatterException, ConfigurationException {
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franta-hg@73
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ColumnsHeader header = constructHeader(
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new HeaderField("database_name", SQLType.VARCHAR),
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new HeaderField("configured", SQLType.BOOLEAN),
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new HeaderField("connected", SQLType.BOOLEAN));
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franta-hg@73
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List<Object[]> data = new ArrayList<>();
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franta-hg@73
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franta-hg@74
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for (String dbName : options.getDatabaseNameToTest()) {
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franta-hg@74
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data.add(testConnection(dbName));
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franta-hg@74
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}
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franta-hg@73
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printTable(formatter, header, data);
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franta-hg@73
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}
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franta-hg@73
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franta-hg@73
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public Object[] testConnection(String dbName) {
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franta-hg@69
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log.log(Level.FINE, "Testing connection to database: {0}", dbName);
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franta-hg@73
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franta-hg@73
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boolean succesfullyConnected = false;
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franta-hg@73
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162 |
boolean succesfullyConfigured = false;
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franta-hg@73
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franta-hg@69
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try {
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DatabaseDefinition dd = configurationProvider.getConfiguration().getDatabase(dbName);
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franta-hg@75
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log.log(Level.FINE, "Database definition was loaded from configuration");
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franta-hg@75
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succesfullyConfigured = true;
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franta-hg@106
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168 |
try (DatabaseConnection dc = dd.connect(options.getDatabaseProperties())) {
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franta-hg@75
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169 |
succesfullyConnected = dc.test();
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franta-hg@69
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170 |
}
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franta-hg@75
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log.log(Level.FINE, "Database connection test was successful");
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franta-hg@69
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172 |
} catch (ConfigurationException | SQLException e) {
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franta-hg@69
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173 |
log.log(Level.SEVERE, "Error during testing connection", e);
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franta-hg@69
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174 |
}
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franta-hg@73
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175 |
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franta-hg@73
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176 |
return new Object[]{dbName, succesfullyConfigured, succesfullyConnected};
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franta-hg@69
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177 |
}
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franta-hg@69
|
178 |
|
franta-hg@69
|
179 |
public void printResource(String fileName) {
|
franta-hg@18
|
180 |
try (BufferedReader reader = new BufferedReader(new InputStreamReader(getClass().getClassLoader().getResourceAsStream(fileName)))) {
|
franta-hg@17
|
181 |
while (true) {
|
franta-hg@18
|
182 |
String line = reader.readLine();
|
franta-hg@17
|
183 |
if (line == null) {
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franta-hg@17
|
184 |
break;
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franta-hg@17
|
185 |
} else {
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franta-hg@17
|
186 |
println(line);
|
franta-hg@17
|
187 |
}
|
franta-hg@17
|
188 |
}
|
franta-hg@17
|
189 |
} catch (Exception e) {
|
franta-hg@18
|
190 |
log.log(Level.SEVERE, "Unable to print this info. Please see our website for it: " + Constants.WEBSITE, e);
|
franta-hg@17
|
191 |
}
|
franta-hg@17
|
192 |
}
|
franta-hg@17
|
193 |
|
franta-hg@17
|
194 |
private void println(String line) {
|
franta-hg@17
|
195 |
out.println(line);
|
franta-hg@17
|
196 |
}
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franta-hg@69
|
197 |
|
franta-hg@69
|
198 |
private void printTable(Formatter formatter, ColumnsHeader header, List<Object[]> data) throws ConfigurationException, FormatterException {
|
franta-hg@69
|
199 |
formatter.writeStartResultSet();
|
franta-hg@69
|
200 |
formatter.writeColumnsHeader(header);
|
franta-hg@69
|
201 |
|
franta-hg@69
|
202 |
for (Object[] row : data) {
|
franta-hg@69
|
203 |
formatter.writeStartRow();
|
franta-hg@69
|
204 |
for (Object cell : row) {
|
franta-hg@69
|
205 |
formatter.writeColumnValue(cell);
|
franta-hg@69
|
206 |
}
|
franta-hg@69
|
207 |
formatter.writeEndRow();
|
franta-hg@69
|
208 |
}
|
franta-hg@69
|
209 |
|
franta-hg@69
|
210 |
formatter.writeEndResultSet();
|
franta-hg@69
|
211 |
}
|
franta-hg@69
|
212 |
|
franta-hg@69
|
213 |
private Formatter getFormatter() throws ConfigurationException, FormatterException {
|
franta-hg@89
|
214 |
String formatterName = options.getFormatterName();
|
franta-hg@89
|
215 |
formatterName = formatterName == null ? Configuration.DEFAULT_FORMATTER_PREFETCHING : formatterName;
|
franta-hg@89
|
216 |
FormatterDefinition fd = configurationProvider.getConfiguration().getFormatter(formatterName);
|
franta-hg@104
|
217 |
FormatterContext context = new FormatterContext(out, options.getFormatterProperties());
|
franta-hg@69
|
218 |
return fd.getInstance(context);
|
franta-hg@69
|
219 |
}
|
franta-hg@69
|
220 |
|
franta-hg@69
|
221 |
private ColumnsHeader constructHeader(HeaderField... fields) throws FormatterException {
|
franta-hg@69
|
222 |
try {
|
franta-hg@69
|
223 |
RowSetMetaDataImpl metaData = new RowSetMetaDataImpl();
|
franta-hg@69
|
224 |
metaData.setColumnCount(fields.length);
|
franta-hg@69
|
225 |
|
franta-hg@69
|
226 |
for (int i = 0; i < fields.length; i++) {
|
franta-hg@69
|
227 |
HeaderField hf = fields[i];
|
franta-hg@69
|
228 |
int sqlIndex = i + 1;
|
franta-hg@69
|
229 |
metaData.setColumnName(sqlIndex, hf.name);
|
franta-hg@69
|
230 |
metaData.setColumnLabel(sqlIndex, hf.name);
|
franta-hg@69
|
231 |
metaData.setColumnType(sqlIndex, hf.type.getCode());
|
franta-hg@69
|
232 |
metaData.setColumnTypeName(sqlIndex, hf.type.name());
|
franta-hg@69
|
233 |
}
|
franta-hg@69
|
234 |
|
franta-hg@69
|
235 |
return new ColumnsHeader(metaData);
|
franta-hg@69
|
236 |
} catch (SQLException e) {
|
franta-hg@69
|
237 |
throw new FormatterException("Error while constructing table headers", e);
|
franta-hg@69
|
238 |
}
|
franta-hg@69
|
239 |
}
|
franta-hg@69
|
240 |
|
franta-hg@69
|
241 |
private static class HeaderField {
|
franta-hg@69
|
242 |
|
franta-hg@69
|
243 |
String name;
|
franta-hg@69
|
244 |
SQLType type;
|
franta-hg@69
|
245 |
|
franta-hg@69
|
246 |
public HeaderField(String name, SQLType type) {
|
franta-hg@69
|
247 |
this.name = name;
|
franta-hg@69
|
248 |
this.type = type;
|
franta-hg@69
|
249 |
}
|
franta-hg@69
|
250 |
}
|
franta-hg@69
|
251 |
|
franta-hg@69
|
252 |
public enum InfoType {
|
franta-hg@69
|
253 |
|
franta-hg@69
|
254 |
HELP {
|
franta-hg@69
|
255 |
@Override
|
franta-hg@69
|
256 |
public void showInfo(InfoLister infoLister) {
|
franta-hg@69
|
257 |
infoLister.printResource(Constants.HELP_FILE);
|
franta-hg@69
|
258 |
}
|
franta-hg@69
|
259 |
},
|
franta-hg@69
|
260 |
VERSION {
|
franta-hg@69
|
261 |
@Override
|
franta-hg@69
|
262 |
public void showInfo(InfoLister infoLister) {
|
franta-hg@69
|
263 |
infoLister.printResource(Constants.VERSION_FILE);
|
franta-hg@69
|
264 |
}
|
franta-hg@69
|
265 |
},
|
franta-hg@69
|
266 |
LICENSE {
|
franta-hg@69
|
267 |
@Override
|
franta-hg@69
|
268 |
public void showInfo(InfoLister infoLister) {
|
franta-hg@69
|
269 |
infoLister.printResource(Constants.LICENSE_FILE);
|
franta-hg@69
|
270 |
}
|
franta-hg@69
|
271 |
},
|
franta-hg@69
|
272 |
FORMATTERS {
|
franta-hg@69
|
273 |
@Override
|
franta-hg@70
|
274 |
public void showInfo(InfoLister infoLister) throws FormatterException, ConfigurationException {
|
franta-hg@69
|
275 |
infoLister.listFormatters();
|
franta-hg@69
|
276 |
}
|
franta-hg@69
|
277 |
},
|
franta-hg@69
|
278 |
TYPES {
|
franta-hg@69
|
279 |
@Override
|
franta-hg@70
|
280 |
public void showInfo(InfoLister infoLister) throws FormatterException, ConfigurationException {
|
franta-hg@69
|
281 |
infoLister.listTypes();
|
franta-hg@69
|
282 |
}
|
franta-hg@69
|
283 |
},
|
franta-hg@69
|
284 |
DATABASES {
|
franta-hg@69
|
285 |
@Override
|
franta-hg@70
|
286 |
public void showInfo(InfoLister infoLister) throws FormatterException, ConfigurationException {
|
franta-hg@69
|
287 |
infoLister.listDatabases();
|
franta-hg@69
|
288 |
}
|
franta-hg@69
|
289 |
},
|
franta-hg@69
|
290 |
CONNECTION {
|
franta-hg@69
|
291 |
@Override
|
franta-hg@73
|
292 |
public void showInfo(InfoLister infoLister) throws FormatterException, ConfigurationException {
|
franta-hg@69
|
293 |
infoLister.testConnection();
|
franta-hg@69
|
294 |
}
|
franta-hg@69
|
295 |
};
|
franta-hg@69
|
296 |
|
franta-hg@69
|
297 |
public abstract void showInfo(InfoLister infoLister) throws ConfigurationException, FormatterException;
|
franta-hg@69
|
298 |
}
|
franta-hg@14
|
299 |
}
|