com.sun.enterprise.admin.util
Class JvmOptionsHelper

java.lang.Object
  com.sun.enterprise.admin.util.JvmOptionsHelper

public final class JvmOptionsHelper
extends Object

A helper class to facilitate the add/delete/get jvm options.

Constructor Summary

JvmOptionsHelper(String[] options)

Method Summary

String[]	addJvmOptions(String[] options) Adds the options to its current set.
String[]	deleteJvmOptions(String[] options) Deletes the options from its current set.
String[]	getJvmOptions() Returns the current set of Jvm options.
String[]	getJvmOptionsAsStoredInXml() Returns the current set of Jvm options.
com.sun.enterprise.admin.util.JvmOptionsElement	last() Returns the last JvmOptionsElement in the chain of responsibility.
static String[]	toStringArray(Collection c)

Methods inherited from class java.lang.Object

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

Constructor Detail

JvmOptionsHelper

public JvmOptionsHelper(String[] options)
                 throws InvalidJvmOptionException

Throws:

InvalidJvmOptionException

Method Detail

addJvmOptions

public String[] addJvmOptions(String[] options)
                       throws InvalidJvmOptionException

Adds the options to its current set. Omits options that already exist. Note :- This method depends on the exact String comparision of the options. Hence an option "a=b c=d" will be added even if individual options already exist.

Parameters:

options -

Returns:

Returns an array of options that could not be added. The array will be atleast of 0 length. An array of length > 0 indicates that some options haven't been added successfully.

Throws:

InvalidJvmOptionException - If any option is invalid. For example, an option that does not start with '-'.

IllegalArgumentException - If options param is null.

last

public com.sun.enterprise.admin.util.JvmOptionsElement last()

Returns the last JvmOptionsElement in the chain of responsibility.

deleteJvmOptions

public String[] deleteJvmOptions(String[] options)

Deletes the options from its current set.

Parameters:

options -

Returns:

Returns an array of options that could not be deleted. The array will be atleast of 0 length. An array of length > 0 indicates that some options haven't been deleted successfully.

Throws:

IllegalArgumentException - If options param is null.

getJvmOptionsAsStoredInXml

public String[] getJvmOptionsAsStoredInXml()

Returns the current set of Jvm options.

getJvmOptions

public String[] getJvmOptions()

Returns the current set of Jvm options.

toStringArray

public static String[] toStringArray(Collection c)