org.gradle.internal.jvm

Class Jvm

java.lang.Object

org.gradle.internal.jvm.Jvm

All Implemented Interfaces:

JavaInfo

public class Jvm
extends Object
implements JavaInfo

Method Summary

Methods

Modifier and Type	Method and Description
static Jvm	current()
static JavaInfo	forHome(File javaHome) Creates jvm instance for given java home.
File	getExecutable(String name)
Map<String,?>	getInheritableEnvironmentVariables(Map<String,?> envVars)
File	getJavadocExecutable()
File	getJavaExecutable()
File	getJavaHome() The location of java.
File	getRuntimeJar() Returns the runtime jar.
boolean	getSupportsAppleScript()
File	getToolsJar() Returns the tools jar.
boolean	isIbmJvm()
boolean	isJava5()
boolean	isJava5Compatible()
boolean	isJava6()
boolean	isJava6Compatible()
boolean	isJava7()
String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

current

public static Jvm current()

forHome

public static JavaInfo forHome(File javaHome)
                        throws JavaHomeException,
                               IllegalArgumentException

Creates jvm instance for given java home. Attempts to validate if provided javaHome is a valid jdk or jre location.

Parameters:

javaHome - - location of your jdk or jre (jdk is safer), cannot be null

Returns:

jvm for given java home

Throws:

JavaHomeException - when supplied javaHome does not seem to be a valid jdk or jre location

IllegalArgumentException - when supplied javaHome is not a valid folder

toString

public String toString()

Overrides:

toString in class Object

getJavaExecutable

public File getJavaExecutable()
                       throws JavaHomeException

Specified by:

getJavaExecutable in interface JavaInfo

Returns:

the executable

Throws:

JavaHomeException - when executable cannot be found

getJavadocExecutable

public File getJavadocExecutable()
                          throws JavaHomeException

Specified by:

getJavadocExecutable in interface JavaInfo

Returns:

the executable

Throws:

JavaHomeException - when executable cannot be found

getExecutable

public File getExecutable(String name)
                   throws JavaHomeException

Specified by:

getExecutable in interface JavaInfo

Returns:

the executable

Throws:

JavaHomeException - when executable cannot be found

isJava5

public boolean isJava5()

isJava6

public boolean isJava6()

isJava7

public boolean isJava7()

isJava5Compatible

public boolean isJava5Compatible()

isJava6Compatible

public boolean isJava6Compatible()

getJavaHome

public File getJavaHome()

The location of java.

Specified by:

getJavaHome in interface JavaInfo

Returns:

the java home location

getRuntimeJar

public File getRuntimeJar()

Returns the runtime jar. May return null, for example when Jvm was created with custom jdk location.

Specified by:

getRuntimeJar in interface JavaInfo

getToolsJar

public File getToolsJar()

Returns the tools jar. May return null, for example when Jvm was created via with custom jre location or if jdk is not installed.

Specified by:

getToolsJar in interface JavaInfo

getInheritableEnvironmentVariables

public Map<String,?> getInheritableEnvironmentVariables(Map<String,?> envVars)

Specified by:

getInheritableEnvironmentVariables in interface JavaInfo

getSupportsAppleScript

public boolean getSupportsAppleScript()

Specified by:

getSupportsAppleScript in interface JavaInfo

isIbmJvm

public boolean isIbmJvm()