org.h2.util

类 Tool

java.lang.Object

org.h2.util.Tool

直接已知子类:

Backup, ChangeFileEncryption, Console, ConvertTraceFile, CreateCluster, DeleteDbFiles, Recover, Restore, RunScript, Script, Server, Shell

public abstract class Tool
extends Object

Command line tools implement the tool interface so that they can be used in the H2 Console.

字段概要

字段

限定符和类型	字段和说明
protected PrintStream	out The output stream where this tool writes to.

构造器概要

构造器

构造器和说明
Tool()

方法概要

限定符和类型	方法和说明
static boolean	isOption(String arg, String option) Check if the argument matches the option.
protected void	printNoDatabaseFilesFound(String dir, String db) Print to the output stream that no database files have been found.
abstract void	runTool(String... args) Run the tool with the given output stream and arguments.
void	setOut(PrintStream out) Sets the standard output stream.
protected void	showUsage() Print the usage of the tool.
protected SQLException	showUsageAndThrowUnsupportedOption(String option) Throw a SQLException saying this command line option is not supported.
protected SQLException	throwUnsupportedOption(String option) Throw a SQLException saying this command line option is not supported.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

out

protected PrintStream out

The output stream where this tool writes to.

构造器详细资料

Tool

public Tool()

方法详细资料

setOut

public void setOut(PrintStream out)

Sets the standard output stream.

参数:

out - the new standard output stream

runTool

public abstract void runTool(String... args)
                      throws SQLException

Run the tool with the given output stream and arguments.

参数:

args - the argument list

抛出:

SQLException - on failure

showUsageAndThrowUnsupportedOption

protected SQLException showUsageAndThrowUnsupportedOption(String option)
                                                   throws SQLException

Throw a SQLException saying this command line option is not supported.

参数:

option - the unsupported option

返回:

this method never returns normally

抛出:

SQLException - on failure

throwUnsupportedOption

protected SQLException throwUnsupportedOption(String option)
                                       throws SQLException

Throw a SQLException saying this command line option is not supported.

参数:

option - the unsupported option

返回:

this method never returns normally

抛出:

SQLException - on failure

printNoDatabaseFilesFound

protected void printNoDatabaseFilesFound(String dir,
                                         String db)

Print to the output stream that no database files have been found.

参数:

dir - the directory or null

db - the database name or null

showUsage

protected void showUsage()

Print the usage of the tool. This method reads the description from the resource file.

isOption

public static boolean isOption(String arg,
                               String option)

Check if the argument matches the option. If the argument starts with this option, but doesn't match, then an exception is thrown.

参数:

arg - the argument

option - the command line option

返回:

true if it matches