接口 CommandSession
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- 所有已知实现类:
CommandSessionImpl
public interface CommandSession
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方法概要
所有方法 实例方法 抽象方法 修饰符和类型 方法 说明 void
close()
Close this command session.java.lang.Object
convert(java.lang.Class<?> type, java.lang.Object instance)
Convert an object to another type.java.lang.Object
execute(java.lang.CharSequence commandline)
Execute a program in this session.java.lang.CharSequence
format(java.lang.Object target, int level)
Convert an object to string form (CharSequence).java.lang.Object
get(java.lang.String name)
Get the value of a variable.java.io.PrintStream
getConsole()
Return the PrintStream for the console.java.io.InputStream
getKeyboard()
Return the input stream that is the first of the pipeline.void
put(java.lang.String name, java.lang.Object value)
Set the value of a variable.
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方法详细资料
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execute
java.lang.Object execute(java.lang.CharSequence commandline) throws java.lang.Exception
Execute a program in this session.- 参数:
commandline
-- 返回:
- the result of the execution
- 抛出:
java.lang.Exception
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close
void close()
Close this command session. After the session is closed, it will throw IllegalStateException when it is used.
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getKeyboard
java.io.InputStream getKeyboard()
Return the input stream that is the first of the pipeline. This stream is sometimes necessary to communicate directly to the end user. For example, a "less" or "more" command needs direct input from the keyboard to control the paging.- 返回:
- InpuStream used closest to the user or null if input is from a file.
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getConsole
java.io.PrintStream getConsole()
Return the PrintStream for the console. This must always be the stream "closest" to the user. This stream can be used to post messages that bypass the piping. If the output is piped to a file, then the object returned must be null.- 返回:
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get
java.lang.Object get(java.lang.String name)
Get the value of a variable.- 参数:
name
-- 返回:
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put
void put(java.lang.String name, java.lang.Object value)
Set the value of a variable.- 参数:
name
- Name of the variable.value
- Value of the variable
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format
java.lang.CharSequence format(java.lang.Object target, int level)
Convert an object to string form (CharSequence). The level is defined in the Converter interface, it can be one of INSPECT, LINE, PART. This function always returns a non null value. As a last resort, toString is called on the Object.- 参数:
target
-level
-- 返回:
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convert
java.lang.Object convert(java.lang.Class<?> type, java.lang.Object instance)
Convert an object to another type.
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