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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 static info.globalcode.sql.dk.Functions.isNotEmpty;
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import static info.globalcode.sql.dk.Functions.equalz;
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import info.globalcode.sql.dk.InfoLister.InfoType;
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import info.globalcode.sql.dk.configuration.Properties;
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import info.globalcode.sql.dk.configuration.Property;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.EnumSet;
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import java.util.LinkedHashSet;
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import java.util.List;
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import java.util.Set;
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import java.util.regex.Pattern;
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import java.util.regex.PatternSyntaxException;
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/**
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* Holds options from command line, validates them, combines with configuration and provides derived
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* objects.
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*
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* @author Ing. František Kučera (frantovo.cz)
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*/
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public class CLIOptions {
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public static final String DEFAULT_NAME_PREFIX = ":";
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public static final String DEFAULT_NAME_SUFFIX = "(?=([^\\w]|$))";
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private String sql;
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private String databaseName;
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private final Set<String> databaseNamesToTest = new LinkedHashSet<>();
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private final Set<String> databaseNamesToListProperties = new LinkedHashSet<>();
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private String namePrefix = DEFAULT_NAME_PREFIX;
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private String nameSuffix = DEFAULT_NAME_SUFFIX;
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private String formatterName;
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private boolean batch;
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private final Properties formatterProperties = new Properties();
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private final Properties databaseProperties = new Properties();
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public enum MODE {
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QUERY_NOW,
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PREPARE_BATCH,
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EXECUTE_BATCH,
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JUST_SHOW_INFO
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}
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private final List<NamedParameter> namedParameters = new ArrayList<>();
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private final List<Parameter> numberedParameters = new ArrayList<>();
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private final EnumSet<InfoType> showInfo = EnumSet.noneOf(InfoType.class);
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public void validate() throws InvalidOptionsException {
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InvalidOptionsException e = new InvalidOptionsException();
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MODE mode = getMode();
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if (mode == null) {
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e.addProblem(new InvalidOptionsException.OptionProblem("Invalid combination of DB, SQL and BATCH – please specify just 2 of this 3 options"));
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} else if (mode == MODE.JUST_SHOW_INFO) {
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if (!namedParameters.isEmpty()) {
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e.addProblem(new InvalidOptionsException.OptionProblem("Do not use named parameters if just showing info."));
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}
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if (!numberedParameters.isEmpty()) {
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e.addProblem(new InvalidOptionsException.OptionProblem("Do not use numbered parameters if just showing info."));
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}
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if (isNotEmpty(sql, false)) {
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e.addProblem(new InvalidOptionsException.OptionProblem("Do not specify SQL if just showing info."));
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}
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if (isNotEmpty(databaseName, false)) {
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e.addProblem(new InvalidOptionsException.OptionProblem("Do not specify database if just showing info."));
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}
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if (batch) {
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e.addProblem(new InvalidOptionsException.OptionProblem("Do not specify batch if just showing info."));
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}
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if (!equalz(namePrefix, DEFAULT_NAME_PREFIX)) {
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e.addProblem(new InvalidOptionsException.OptionProblem("Do not specify name prefix if just showing info."));
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}
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if (!equalz(nameSuffix, DEFAULT_NAME_SUFFIX)) {
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e.addProblem(new InvalidOptionsException.OptionProblem("Do not specify name suffix if just showing info."));
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}
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if (showInfo.contains(InfoType.CONNECTION) && databaseNamesToTest.isEmpty()) {
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e.addProblem(new InvalidOptionsException.OptionProblem("Please specify which database should be tested."));
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}
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if (showInfo.contains(InfoType.JDBC_PROPERTIES) && databaseNamesToListProperties.isEmpty()) {
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e.addProblem(new InvalidOptionsException.OptionProblem("Please specify for which database the properties should be listed."));
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}
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}
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if (!namedParameters.isEmpty() && !numberedParameters.isEmpty()) {
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e.addProblem(new InvalidOptionsException.OptionProblem("Named and numbered parameters can not be used together in one command."));
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}
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try {
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Pattern.compile(namePrefix + "test" + nameSuffix);
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} catch (PatternSyntaxException regexException) {
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e.addProblem(new InvalidOptionsException.OptionProblem("Ivalid regular expression in name prefix or suffix", regexException));
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}
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if (e.hasProblems()) {
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throw e;
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}
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}
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private boolean hasSql() {
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return isNotEmpty(getSql(), true);
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}
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private boolean hasDb() {
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return isNotEmpty(getDatabaseName(), true);
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}
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/**
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* Depends on options: DB, BATCH, SQL
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*
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* @return mode | or null if options are not yet initialized or combination of options is
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* invalid
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*/
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public MODE getMode() {
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if (hasDb() && !batch && hasSql()) {
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return MODE.QUERY_NOW;
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} else if (!hasDb() && batch && hasSql()) {
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return MODE.PREPARE_BATCH;
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} else if (hasDb() && batch && !hasSql()) {
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return MODE.EXECUTE_BATCH;
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} else {
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return showInfo.isEmpty() ? null : MODE.JUST_SHOW_INFO;
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}
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}
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public String getSql() {
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return sql;
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}
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public void setSql(String sql) {
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this.sql = sql;
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}
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public String getDatabaseName() {
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return databaseName;
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}
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public void setDatabaseName(String databaseName) {
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this.databaseName = databaseName;
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}
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public void setBatch(boolean batch) {
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this.batch = batch;
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}
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public Collection<NamedParameter> getNamedParameters() {
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return namedParameters;
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}
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public List<Parameter> getNumberedParameters() {
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return numberedParameters;
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}
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public void addNumberedParameter(Parameter p) {
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numberedParameters.add(p);
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}
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public void addNamedParameter(NamedParameter p) {
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namedParameters.add(p);
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}
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public Properties getDatabaseProperties() {
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return databaseProperties;
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}
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public Properties getFormatterProperties() {
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return formatterProperties;
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}
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public void addDatabaseProperty(Property p) {
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databaseProperties.add(p);
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}
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public void addFormatterProperty(Property p) {
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formatterProperties.add(p);
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}
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/**
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* @return regular expression describing the name prefix
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*/
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public String getNamePrefix() {
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return namePrefix;
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}
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/**
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* @see #getNamePrefix()
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*/
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public void setNamePrefix(String namePrefix) {
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this.namePrefix = namePrefix;
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}
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/**
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* @return regular expression describing the name prefix
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*/
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public String getNameSuffix() {
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return nameSuffix;
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}
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/**
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* @see #getNameSuffix()
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*/
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public void setNameSuffix(String nameSuffix) {
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this.nameSuffix = nameSuffix;
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}
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public String getFormatterName() {
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return formatterName;
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}
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public void setFormatterName(String formatterName) {
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this.formatterName = formatterName;
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}
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public void addShowInfo(InfoType info) {
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showInfo.add(info);
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}
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public EnumSet<InfoType> getShowInfo() {
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return showInfo;
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}
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public Set<String> getDatabaseNamesToTest() {
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return databaseNamesToTest;
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}
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public void addDatabaseNameToTest(String name) {
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databaseNamesToTest.add(name);
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}
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public Set<String> getDatabaseNamesToListProperties() {
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return databaseNamesToListProperties;
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}
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public void addDatabaseNameToListProperties(String name) {
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databaseNamesToListProperties.add(name);
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}
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public SQLCommand getSQLCommand() {
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if (namedParameters.isEmpty()) {
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return new SQLCommandNumbered(sql, numberedParameters);
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} else {
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return new SQLCommandNamed(sql, namedParameters, namePrefix, nameSuffix);
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}
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}
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public OutputStream getOutputStream() {
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return System.out;
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}
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public InputStream getInputStream() {
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return System.in;
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}
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}
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