org.objectledge.external
Class ProcessExecutor

java.lang.Object
  org.objectledge.external.ProcessExecutor

public class ProcessExecutor
extends Object

Version:

$Id: ProcessExecutor.java,v 1.2 2006/03/28 18:02:38 zwierzem Exp $

Author:

Rafał Krzewski

Field Summary

static String	DEFAULT_SHELL Default shell invocation format.
private org.jcontainer.dna.Logger	log The logger.
private String[]	shellTokens Shell invocation format.

Constructor Summary

ProcessExecutor(org.jcontainer.dna.Logger logger, org.jcontainer.dna.Configuration configuration)
Creates a new ProcessExecutor instance.

ProcessExecutor(org.jcontainer.dna.Logger logger, String shell)
Creates a new ProcessExecutor instance.

Method Summary

private String	concat(String[] args)
ExecutionResult	exec(boolean captureOutput, boolean captureError, String... args) Executes an external process.
ExecutionResult	exec(byte[] input, boolean captureOutput, boolean captureError, String... args) Executes an external process.
ExecutionResult	exec(String... args) Execute an external process.
ExecutionResult	exec(String input, boolean captureOutput, boolean captureError, String... args) Executes an external process.
private byte[]	read(File file)
private void	release(File file)
private void	write(File file, byte[] bytes)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_SHELL

public static final String DEFAULT_SHELL

Default shell invocation format.

See Also:

Constant Field Values

shellTokens

private final String[] shellTokens

Shell invocation format.

log

private final org.jcontainer.dna.Logger log

The logger.

Constructor Detail

ProcessExecutor

public ProcessExecutor(org.jcontainer.dna.Logger logger,
                       String shell)

Creates a new ProcessExecutor instance.

Parameters:

logger - the logger to use.

shell - the shell invocation format.

ProcessExecutor

public ProcessExecutor(org.jcontainer.dna.Logger logger,
                       org.jcontainer.dna.Configuration configuration)

Creates a new ProcessExecutor instance.

Parameters:

logger - the logger to use.

configuration - component configuration.

Method Detail

exec

public ExecutionResult exec(String... args)
                     throws IOException

Execute an external process.

No data is sent to the process input stream, output and error streams are not captured.

Parameters:

args - the script name and arguments.

Returns:

execution result.

Throws:

IOException - If the execution fails.

exec

public ExecutionResult exec(byte[] input,
                            boolean captureOutput,
                            boolean captureError,
                            String... args)
                     throws IOException

Executes an external process.

Parameters:

input - data to be passed to the process inpupt stream.

captureOutput - should process output stream be captured.

captureError - should process error stream be captured.

args - process executable name and arguments.

Returns:

execution result.

Throws:

IOException - If the execution fails.

exec

public ExecutionResult exec(String input,
                            boolean captureOutput,
                            boolean captureError,
                            String... args)
                     throws IOException

Executes an external process.

Parameters:

input - data to be passed to the process inpupt stream.

captureOutput - should process output stream be captured.

captureError - should process error stream be captured.

args - process executable name and arguments.

Returns:

execution result.

Throws:

IOException

IOException - If the execution fails.

exec

public ExecutionResult exec(boolean captureOutput,
                            boolean captureError,
                            String... args)
                     throws IOException

Executes an external process.

Parameters:

captureOutput - should process output stream be captured.

captureError - should process error stream be captured.

args - process executable name and arguments.

Returns:

execution result.

Throws:

IOException

IOException - If the execution fails.

read

private byte[] read(File file)
             throws IOException

Throws:

IOException

write

private void write(File file,
                   byte[] bytes)
            throws IOException

Throws:

IOException

release

private void release(File file)

concat

private String concat(String[] args)