Package org.apache.jorphan.exec
Class SystemCommand
java.lang.Object
org.apache.jorphan.exec.SystemCommand
- Direct Known Subclasses:
NativeCommand
Utility class for invoking native system applications
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Field Summary
Fields -
Constructor Summary
ConstructorsConstructorDescriptionSystemCommand
(File directory, long timeoutMillis, int pollInterval, Map<String, String> env, InputStream stdin, OutputStream stdout, OutputStream stderr) SystemCommand
(File directory, long timeoutMillis, int pollInterval, Map<String, String> env, String stdin, String stdout, String stderr) SystemCommand
(File directory, Map<String, String> env) -
Method Summary
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Field Details
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POLL_INTERVAL
public static final int POLL_INTERVAL- See Also:
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Constructor Details
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SystemCommand
- Parameters:
directory
- File working directory (may be null)env
- Environment variables appended to environment (may be null)
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SystemCommand
public SystemCommand(File directory, long timeoutMillis, int pollInterval, Map<String, String> env, String stdin, String stdout, String stderr) throws IOException- Parameters:
directory
- File working directory (may be null)timeoutMillis
- timeout in MillisecondspollInterval
- Value used to poll for Process execution endenv
- Environment variables appended to environment (may be null)stdin
- File name that will contain data to be input to process (may be null)stdout
- File name that will contain out stream (may be null)stderr
- File name that will contain err stream (may be null)- Throws:
IOException
- if the input file is not found or output cannot be written
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SystemCommand
public SystemCommand(File directory, long timeoutMillis, int pollInterval, Map<String, String> env, InputStream stdin, OutputStream stdout, OutputStream stderr) - Parameters:
directory
- File working directory (may be null)timeoutMillis
- timeout in MillisecondspollInterval
- Value used to poll for Process execution endenv
- Environment variables appended to environment (may be null)stdin
- File name that will contain data to be input to process (may be null)stdout
- File name that will contain out stream (may be null)stderr
- File name that will contain err stream (may be null)
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Method Details
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run
- Parameters:
arguments
- List of strings, not null- Returns:
- return code
- Throws:
InterruptedException
- when execution was interruptedIOException
- when I/O error occurs while execution
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run
public int run(List<String> arguments1, List<String> arguments2) throws InterruptedException, IOException Pipe the output of one command into another- Parameters:
arguments1
- first command to runarguments2
- second command to run- Returns:
- exit status
- Throws:
InterruptedException
- when execution gets interruptedIOException
- when I/O error occurs while execution
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getOutResult
- Returns:
- Out/Err stream contents
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getExecutionEnvironment
- Returns:
- the executionEnvironment
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