Delete unused import statement. (#3522)

Delete unused import statement. Could be lead to naming conflicts or compiler error.

Co-authored-by: filipe <flautert@liquibase.org>

liquibase-cdi/src/test/java/liquibase/integration/cdi/CDILiquibaseTest.java

@@ -1,11 +1,7 @@
 package liquibase.integration.cdi;
 
 import liquibase.Scope;
-import liquibase.configuration.LiquibaseConfiguration;
-import liquibase.exception.LiquibaseException;
 import liquibase.logging.core.BufferedLogService;
-import liquibase.logging.core.CompositeLogService;
-import liquibase.logging.core.CompositeLogger;
 import org.jboss.weld.environment.se.Weld;
 import org.jboss.weld.environment.se.WeldContainer;
 import org.junit.After;

liquibase-core/src/main/java/liquibase/change/CheckSum.java

@@ -3,7 +3,6 @@
 import liquibase.util.MD5Util;
 import liquibase.util.StringUtil;
 
-import java.io.FilterInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.text.Normalizer;

liquibase-core/src/main/java/liquibase/change/core/AddColumnChange.java

@@ -1,14 +1,10 @@
 package liquibase.change.core;
 
-import liquibase.Scope;
 import liquibase.change.*;
 import liquibase.database.Database;
 import liquibase.database.core.DB2Database;
 import liquibase.database.core.MySQLDatabase;
-import liquibase.datatype.DataTypeFactory;
-import liquibase.datatype.DatabaseDataType;
 import liquibase.snapshot.SnapshotGeneratorFactory;
-import liquibase.sql.Sql;
 import liquibase.sqlgenerator.SqlGeneratorFactory;
 import liquibase.statement.*;
 import liquibase.statement.core.*;
@@ -17,7 +13,6 @@
 import liquibase.structure.core.Table;
 import liquibase.util.ISODateFormat;
 import liquibase.util.StringUtil;
-import net.snowflake.client.jdbc.internal.google.gson.internal.bind.util.ISO8601Utils;
 
 import java.util.*;
 

liquibase-core/src/main/java/liquibase/change/core/CreateViewChange.java

@@ -10,14 +10,12 @@
 import liquibase.exception.ValidationErrors;
 import liquibase.parser.core.ParsedNode;
 import liquibase.parser.core.ParsedNodeException;
-import liquibase.resource.Resource;
 import liquibase.resource.ResourceAccessor;
 import liquibase.snapshot.SnapshotGeneratorFactory;
 import liquibase.sqlgenerator.SqlGeneratorFactory;
 import liquibase.statement.SqlStatement;
 import liquibase.statement.core.CreateViewStatement;
 import liquibase.statement.core.DropViewStatement;
-import liquibase.statement.core.SetTableRemarksStatement;
 import liquibase.statement.core.SetViewRemarksStatement;
 import liquibase.structure.core.View;
 import liquibase.util.FileUtil;

liquibase-core/src/main/java/liquibase/change/core/DropColumnChange.java

@@ -11,7 +11,6 @@
 import liquibase.snapshot.InvalidExampleException;
 import liquibase.snapshot.SnapshotGeneratorFactory;
 import liquibase.statement.SqlStatement;
-import liquibase.statement.core.AddColumnStatement;
 import liquibase.statement.core.DropColumnStatement;
 import liquibase.statement.core.ReorganizeTableStatement;
 import liquibase.structure.core.Column;

liquibase-core/src/main/java/liquibase/change/core/DropDefaultValueChange.java

@@ -2,8 +2,6 @@
 
 import liquibase.change.*;
 import liquibase.database.Database;
-import liquibase.database.core.DB2Database;
-import liquibase.exception.ValidationErrors;
 import liquibase.snapshot.SnapshotGeneratorFactory;
 import liquibase.statement.SqlStatement;
 import liquibase.statement.core.DropDefaultValueStatement;

liquibase-core/src/main/java/liquibase/change/core/DropPrimaryKeyChange.java

@@ -3,17 +3,14 @@
 import liquibase.change.*;
 import liquibase.database.Database;
 import liquibase.database.core.SQLiteDatabase;
-import liquibase.database.core.SQLiteDatabase.AlterTableVisitor;
 import liquibase.exception.DatabaseException;
 import liquibase.exception.UnexpectedLiquibaseException;
 import liquibase.snapshot.SnapshotGeneratorFactory;
 import liquibase.statement.SqlStatement;
 import liquibase.statement.core.DropPrimaryKeyStatement;
-import liquibase.structure.core.Column;
 import liquibase.structure.core.Index;
 import liquibase.structure.core.PrimaryKey;
 
-import java.util.ArrayList;
 import java.util.List;
 
 /**

liquibase-core/src/main/java/liquibase/change/core/DropViewChange.java

@@ -8,7 +8,6 @@
 import liquibase.statement.SqlStatement;
 import liquibase.statement.core.DropViewStatement;
 import liquibase.structure.core.View;
-import liquibase.util.ObjectUtil;
 
 /**
  * Drops an existing view.

liquibase-core/src/main/java/liquibase/change/core/MergeColumnChange.java

@@ -3,7 +3,6 @@
 import liquibase.change.*;
 import liquibase.database.Database;
 import liquibase.database.core.*;
-import liquibase.database.core.SQLiteDatabase.AlterTableVisitor;
 import liquibase.exception.DatabaseException;
 import liquibase.exception.UnexpectedLiquibaseException;
 import liquibase.statement.SqlStatement;

liquibase-core/src/main/java/liquibase/change/core/RenameColumnChange.java

@@ -2,19 +2,12 @@
 
 import liquibase.change.*;
 import liquibase.database.Database;
-import liquibase.database.core.SQLiteDatabase;
-import liquibase.database.core.SQLiteDatabase.AlterTableVisitor;
 import liquibase.snapshot.SnapshotGeneratorFactory;
 import liquibase.statement.SqlStatement;
 import liquibase.statement.core.RenameColumnStatement;
 import liquibase.structure.core.Column;
-import liquibase.structure.core.Index;
 import liquibase.structure.core.Table;
 
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-
 /**
  * Renames an existing column.
  */

liquibase-core/src/main/java/liquibase/change/core/SQLFileChange.java

@@ -10,9 +10,7 @@
 import liquibase.exception.SetupException;
 import liquibase.exception.UnexpectedLiquibaseException;
 import liquibase.exception.ValidationErrors;
-import liquibase.resource.Resource;
 import liquibase.resource.ResourceAccessor;
-import liquibase.util.FileUtil;
 import liquibase.util.ObjectUtil;
 import liquibase.util.StreamUtil;
 import liquibase.util.StringUtil;

liquibase-core/src/main/java/liquibase/changelog/ChangeLogHistoryServiceFactory.java

@@ -3,7 +3,6 @@
 import liquibase.Scope;
 import liquibase.database.Database;
 import liquibase.exception.UnexpectedLiquibaseException;
-import liquibase.servicelocator.ServiceLocator;
 
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;

liquibase-core/src/main/java/liquibase/changelog/ChangeLogIterator.java

@@ -6,7 +6,6 @@
 import liquibase.changelog.visitor.ChangeSetVisitor;
 import liquibase.changelog.visitor.SkippedChangeSetVisitor;
 import liquibase.changelog.visitor.ValidatingVisitor;
-import liquibase.configuration.LiquibaseConfiguration;
 import liquibase.exception.LiquibaseException;
 import liquibase.exception.UnexpectedLiquibaseException;
 import liquibase.exception.ValidationErrors;

liquibase-core/src/main/java/liquibase/changelog/filter/LabelChangeSetFilter.java

@@ -1,7 +1,5 @@
 package liquibase.changelog.filter;
 
-import liquibase.ContextExpression;
-import liquibase.Contexts;
 import liquibase.LabelExpression;
 import liquibase.Labels;
 import liquibase.changelog.ChangeSet;

liquibase-core/src/main/java/liquibase/changelog/visitor/DBDocVisitor.java

@@ -5,7 +5,6 @@
 import liquibase.changelog.DatabaseChangeLog;
 import liquibase.changelog.filter.ChangeSetFilterResult;
 import liquibase.database.Database;
-import liquibase.database.core.OracleDatabase;
 import liquibase.dbdoc.*;
 import liquibase.exception.LiquibaseException;
 import liquibase.resource.OpenOptions;

liquibase-core/src/main/java/liquibase/changelog/visitor/RollbackVisitor.java

@@ -9,11 +9,9 @@
 import liquibase.changelog.filter.ChangeSetFilterResult;
 import liquibase.database.Database;
 import liquibase.exception.LiquibaseException;
-import liquibase.exception.MigrationFailedException;
 import liquibase.executor.Executor;
 import liquibase.executor.ExecutorService;
 import liquibase.executor.LoggingExecutor;
-import liquibase.logging.LogService;
 
 import java.util.List;
 import java.util.Set;

liquibase-core/src/main/java/liquibase/changelog/visitor/ValidatingVisitor.java

@@ -7,7 +7,6 @@
 import liquibase.changelog.RanChangeSet;
 import liquibase.changelog.filter.ChangeSetFilterResult;
 import liquibase.database.Database;
-import liquibase.database.DatabaseFactory;
 import liquibase.database.DatabaseList;
 import liquibase.exception.*;
 import liquibase.precondition.ErrorPrecondition;

liquibase-core/src/main/java/liquibase/command/AbstractCliWrapperCommandStep.java

@@ -1,6 +1,5 @@
 package liquibase.command;
 
-import liquibase.Scope;
 import liquibase.exception.CommandExecutionException;
 import liquibase.integration.commandline.Main;
 

liquibase-core/src/main/java/liquibase/command/CommandResultsBuilder.java

@@ -1,7 +1,6 @@
 package liquibase.command;
 
 import liquibase.Scope;
-import liquibase.precondition.FailedPrecondition;
 import liquibase.util.StringUtil;
 
 import java.io.OutputStream;

liquibase-core/src/main/java/liquibase/command/core/DeactivateChangelogCommandStep.java

@@ -1,18 +1,13 @@
 package liquibase.command.core;
 
 import liquibase.Scope;
-import liquibase.changelog.ChangeLogParameters;
 import liquibase.changelog.ChangelogRewriter;
 import liquibase.changelog.DatabaseChangeLog;
 import liquibase.command.*;
 import liquibase.exception.CommandExecutionException;
-import liquibase.exception.LiquibaseException;
 import liquibase.hub.HubService;
 import liquibase.hub.HubServiceFactory;
 import liquibase.hub.model.HubChangeLog;
-import liquibase.parser.ChangeLogParser;
-import liquibase.parser.ChangeLogParserFactory;
-import liquibase.resource.ResourceAccessor;
 
 import java.io.PrintWriter;
 import java.util.UUID;

liquibase-core/src/main/java/liquibase/command/core/InternalGenerateChangelogCommandStep.java

@@ -14,7 +14,6 @@
 import liquibase.snapshot.SnapshotGeneratorFactory;
 import liquibase.util.StringUtil;
 
-import java.io.File;
 import java.io.PrintStream;
 
 public class InternalGenerateChangelogCommandStep extends InternalDiffChangelogCommandStep {

liquibase-core/src/main/java/liquibase/command/core/RegisterChangelogCommandStep.java

@@ -1,7 +1,6 @@
 package liquibase.command.core;
 
 import liquibase.Scope;
-import liquibase.changelog.ChangeLogParameters;
 import liquibase.changelog.ChangelogRewriter;
 import liquibase.changelog.DatabaseChangeLog;
 import liquibase.command.*;
@@ -15,9 +14,6 @@
 import liquibase.hub.LiquibaseHubException;
 import liquibase.hub.model.HubChangeLog;
 import liquibase.hub.model.Project;
-import liquibase.parser.ChangeLogParser;
-import liquibase.parser.ChangeLogParserFactory;
-import liquibase.resource.ResourceAccessor;
 import liquibase.ui.UIService;
 import liquibase.util.StringUtil;
 

liquibase-core/src/main/java/liquibase/command/core/SnapshotCommandStep.java

@@ -7,11 +7,9 @@
 import liquibase.configuration.ConfigurationValueObfuscator;
 import liquibase.database.Database;
 import liquibase.database.ObjectQuotingStrategy;
-import liquibase.database.core.*;
 import liquibase.exception.DatabaseException;
 import liquibase.integration.commandline.CommandLineUtils;
 import liquibase.integration.commandline.LiquibaseCommandLineConfiguration;
-import liquibase.license.LicenseServiceUtils;
 import liquibase.resource.ResourceAccessor;
 import liquibase.serializer.SnapshotSerializerFactory;
 import liquibase.snapshot.DatabaseSnapshot;

liquibase-core/src/main/java/liquibase/configuration/AbstractMapConfigurationValueProvider.java

@@ -5,9 +5,7 @@
 import java.util.HashMap;
 import java.util.Map;
 import java.util.concurrent.locks.Lock;
-import java.util.concurrent.locks.ReadWriteLock;
 import java.util.concurrent.locks.ReentrantLock;
-import java.util.concurrent.locks.ReentrantReadWriteLock;
 
 /**
  * Convenience class for {@link ConfigurationValueProvider}s that can collect the possible values into a Map.

liquibase-core/src/main/java/liquibase/configuration/ConfiguredValueModifierFactory.java

@@ -2,7 +2,6 @@
 
 import liquibase.Scope;
 import liquibase.SingletonObject;
-import liquibase.plugin.AbstractPluginFactory;
 import liquibase.servicelocator.ServiceLocator;
 
 import java.util.*;

liquibase-core/src/main/java/liquibase/configuration/core/DefaultsFileValueProvider.java

@@ -7,7 +7,6 @@
 import liquibase.command.CommandScope;
 import liquibase.configuration.AbstractMapConfigurationValueProvider;
 import liquibase.configuration.LiquibaseConfiguration;
-import liquibase.exception.UnexpectedLiquibaseException;
 import liquibase.servicelocator.LiquibaseService;
 import liquibase.util.StringUtil;
 

liquibase-core/src/main/java/liquibase/configuration/core/SystemPropertyValueProvider.java

@@ -1,13 +1,8 @@
 package liquibase.configuration.core;
 
-import liquibase.configuration.AbstractConfigurationValueProvider;
 import liquibase.configuration.AbstractMapConfigurationValueProvider;
-import liquibase.configuration.ConfigurationValueProvider;
-import liquibase.configuration.ProvidedValue;
-import liquibase.util.StringUtil;
 
 import java.util.Map;
-import java.util.Properties;
 
 /**
  * Searches for the configuration values in the system properties {@link System#getProperties()}.

liquibase-core/src/main/java/liquibase/database/core/EnterpriseDBDatabase.java

@@ -4,8 +4,6 @@
 import liquibase.database.DatabaseConnection;
 import liquibase.database.jvm.JdbcConnection;
 import liquibase.exception.DatabaseException;
-import liquibase.statement.SqlStatement;
-import liquibase.statement.core.RawSqlStatement;
 import liquibase.util.JdbcUtil;
 
 import java.sql.ResultSet;

liquibase-core/src/main/java/liquibase/database/core/MockDatabase.java

@@ -2,7 +2,6 @@
 
 import liquibase.CatalogAndSchema;
 import liquibase.Liquibase;
-import liquibase.Scope;
 import liquibase.change.Change;
 import liquibase.changelog.*;
 import liquibase.database.*;

liquibase-core/src/main/java/liquibase/database/core/MySQLDatabase.java

@@ -2,7 +2,6 @@
 
 import liquibase.CatalogAndSchema;
 import liquibase.Scope;
-import liquibase.change.Change;
 import liquibase.database.AbstractJdbcDatabase;
 import liquibase.database.DatabaseConnection;
 import liquibase.exception.DatabaseException;

liquibase-core/src/main/java/liquibase/datatype/DataTypeFactory.java

@@ -10,7 +10,6 @@
 import liquibase.datatype.core.UnknownType;
 import liquibase.exception.ServiceNotFoundException;
 import liquibase.exception.UnexpectedLiquibaseException;
-import liquibase.plugin.AbstractPluginFactory;
 import liquibase.structure.core.DataType;
 import liquibase.util.ObjectUtil;
 import liquibase.util.StringUtil;

liquibase-core/src/main/java/liquibase/datatype/core/BigIntType.java

@@ -7,7 +7,6 @@
 import liquibase.datatype.DataTypeInfo;
 import liquibase.datatype.DatabaseDataType;
 import liquibase.datatype.LiquibaseDataType;
-import liquibase.exception.DatabaseException;
 import liquibase.statement.DatabaseFunction;
 
 import java.util.Locale;

liquibase-core/src/main/java/liquibase/datatype/core/IntType.java

@@ -7,7 +7,6 @@
 import liquibase.datatype.DataTypeInfo;
 import liquibase.datatype.DatabaseDataType;
 import liquibase.datatype.LiquibaseDataType;
-import liquibase.exception.DatabaseException;
 import liquibase.statement.DatabaseFunction;
 
 import java.util.Locale;

liquibase-core/src/main/java/liquibase/dbdoc/TableWriter.java

@@ -5,7 +5,6 @@
 import liquibase.resource.Resource;
 import liquibase.structure.core.*;
 
-import java.io.File;
 import java.io.IOException;
 import java.io.Writer;
 import java.util.ArrayList;

liquibase-core/src/main/java/liquibase/diff/DiffGeneratorFactory.java

@@ -6,7 +6,6 @@
 import liquibase.exception.DatabaseException;
 import liquibase.exception.LiquibaseException;
 import liquibase.exception.UnexpectedLiquibaseException;
-import liquibase.servicelocator.ServiceLocator;
 import liquibase.snapshot.*;
 
 import java.util.*;

liquibase-core/src/main/java/liquibase/diff/output/changelog/ChangeGeneratorFactory.java

@@ -6,7 +6,6 @@
 import liquibase.diff.ObjectDifferences;
 import liquibase.diff.output.DiffOutputControl;
 import liquibase.exception.UnexpectedLiquibaseException;
-import liquibase.servicelocator.ServiceLocator;
 import liquibase.structure.DatabaseObject;
 
 import java.util.*;

liquibase-core/src/main/java/liquibase/diff/output/changelog/core/MissingUniqueConstraintChangeGenerator.java

@@ -13,7 +13,6 @@
 import liquibase.diff.output.changelog.ChangeGeneratorChain;
 import liquibase.diff.output.changelog.ChangeGeneratorFactory;
 import liquibase.diff.output.changelog.MissingObjectChangeGenerator;
-import liquibase.logging.LogFactory;
 import liquibase.snapshot.SnapshotGeneratorFactory;
 import liquibase.structure.DatabaseObject;
 import liquibase.structure.core.*;

liquibase-core/src/main/java/liquibase/executor/LoggingExecutor.java

@@ -1,6 +1,5 @@
 package liquibase.executor;
 
-import liquibase.changelog.ChangeSet;
 import liquibase.database.Database;
 import liquibase.database.core.MSSQLDatabase;
 import liquibase.database.core.OracleDatabase;

liquibase-core/src/main/java/liquibase/hub/HubConfiguration.java

@@ -3,7 +3,6 @@
 import liquibase.Scope;
 import liquibase.configuration.ConfigurationDefinition;
 import liquibase.configuration.AutoloadedConfigurations;
-import liquibase.configuration.ConfigurationValueObfuscator;
 import liquibase.util.StringUtil;
 
 import java.util.Arrays;