org.eclipse.jdt.launching

Class AbstractVMRunner

java.lang.Object

org.eclipse.jdt.launching.AbstractVMRunner

All Implemented Interfaces:

IVMRunner

Direct Known Subclasses:

StandardVMRunner

public abstract class AbstractVMRunner
extends java.lang.Object
implements IVMRunner

Abstract implementation of a VM runner.

Clients implementing VM runners should subclass this class.

Since:

2.0

See Also:

IVMRunner

Constructor Summary

Constructors

Constructor and Description
AbstractVMRunner()

Method Summary

Modifier and Type	Method and Description
protected void	abort(java.lang.String message, java.lang.Throwable exception, int code) Throws a core exception with an error status object built from the given message, lower level exception, and error code.
protected java.lang.String[]	combineVmArgs(VMRunnerConfiguration configuration, IVMInstall vmInstall) Combines and returns VM arguments specified by the runner configuration, with those specified by the VM install, if any.
protected java.lang.Process	exec(java.lang.String[] cmdLine, java.io.File workingDirectory) Executes the given command line using the given working directory
protected java.lang.Process	exec(java.lang.String[] cmdLine, java.io.File workingDirectory, java.lang.String[] envp) Executes the given command line using the given working directory and environment
protected java.lang.String	getCmdLineAsString(java.lang.String[] cmdLine) Returns the given array of strings as a single space-delimited string.
protected java.util.Map<java.lang.String,java.lang.String>	getDefaultProcessMap() Returns the default process attribute map for Java processes.
protected abstract java.lang.String	getPluginIdentifier() Returns the identifier of the plug-in this VM runner originated from.
protected boolean	isModular(VMRunnerConfiguration config, IVMInstall vmInstall) Examines the project and install for presence of module and execution support.
protected IProcess	newProcess(ILaunch launch, java.lang.Process p, java.lang.String label, java.util.Map<java.lang.String,java.lang.String> attributes) Returns a new process aborting if the process could not be created.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.jdt.launching.IVMRunner

run

Constructor Detail

AbstractVMRunner

public AbstractVMRunner()

Method Detail

abort

protected void abort(java.lang.String message,
                     java.lang.Throwable exception,
                     int code)
              throws CoreException

Throws a core exception with an error status object built from the given message, lower level exception, and error code.

Parameters:

message - the status message

exception - lower level exception associated with the error, or null if none

code - error code

Throws:

CoreException - The exception encapsulating the reason for the abort

getPluginIdentifier

protected abstract java.lang.String getPluginIdentifier()

Returns the identifier of the plug-in this VM runner originated from.

Returns:

plug-in identifier

exec

protected java.lang.Process exec(java.lang.String[] cmdLine,
                                 java.io.File workingDirectory)
                          throws CoreException

Executes the given command line using the given working directory

Parameters:

cmdLine - the command line

workingDirectory - the working directory

Returns:

the Process

Throws:

CoreException - if the execution fails

See Also:

DebugPlugin#exec(String[], File)

exec

protected java.lang.Process exec(java.lang.String[] cmdLine,
                                 java.io.File workingDirectory,
                                 java.lang.String[] envp)
                          throws CoreException

Executes the given command line using the given working directory and environment

Parameters:

cmdLine - the command line

workingDirectory - the working directory

envp - the environment

Returns:

the Process

Throws:

CoreException - is the execution fails

Since:

3.0

See Also:

DebugPlugin#exec(String[], File, String[])

getCmdLineAsString

protected java.lang.String getCmdLineAsString(java.lang.String[] cmdLine)

Returns the given array of strings as a single space-delimited string.

Parameters:

cmdLine - array of strings

Returns:

a single space-delimited string

getDefaultProcessMap

protected java.util.Map<java.lang.String,java.lang.String> getDefaultProcessMap()

Returns the default process attribute map for Java processes.

Returns:

default process attribute map for Java processes

newProcess

protected IProcess newProcess(ILaunch launch,
                              java.lang.Process p,
                              java.lang.String label,
                              java.util.Map<java.lang.String,java.lang.String> attributes)
                       throws CoreException

Returns a new process aborting if the process could not be created.

Parameters:

launch - the launch the process is contained in

p - the system process to wrap

label - the label assigned to the process

attributes - values for the attribute map

Returns:

the new process

Throws:

CoreException - problems occurred creating the process

Since:

3.0

combineVmArgs

protected java.lang.String[] combineVmArgs(VMRunnerConfiguration configuration,
                                           IVMInstall vmInstall)

Combines and returns VM arguments specified by the runner configuration, with those specified by the VM install, if any.

Parameters:

configuration - runner configuration

vmInstall - VM install

Returns:

combined VM arguments specified by the runner configuration and VM install

Since:

3.0

isModular

protected boolean isModular(VMRunnerConfiguration config,
                            IVMInstall vmInstall)

Examines the project and install for presence of module and execution support.

Parameters:

config - runner configuration

vmInstall - VM install

Returns:

true if project is a module and uses JRE version 9 or more, or false otherwise

Since:

3.10