JavaPlatform (NetBeans Java Platform API) - NetBeans API Javadoc 5.5.1

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org.netbeans.modules.java.platform/1 1.7.31

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org.netbeans.api.java.platform
Class JavaPlatform

java.lang.Object
  org.netbeans.api.java.platform.JavaPlatform

public abstract class JavaPlatform
extends Object
extends Object

JavaPlatform describes a java platform in a way that the IDE tools may utilize. It may serve as description of the platform a java project targets, or it may provide access to tools from the particular SDK installation. It also provides information about individual platforms, for example the Java platform version implemented, vendor name or implementation version. It is also possible to enumerate services that the IDE supports, which are implemented as a part of the Platform.

Field Summary

static String PROP_DISPLAY_NAME
          Property name for displayName

static String PROP_JAVADOC_FOLDER
          Property name for javadocFolders

static String PROP_SOURCE_FOLDER
          Property name for sourceFolders

static String PROP_SYSTEM_PROPERTIES
          Property name for systemProperties

Constructor Summary

protected JavaPlatform()
          Creates a new instance of JavaPlatform

Method Summary

void addPropertyChangeListener(PropertyChangeListener l)
          Registers a listener to be notified when some of the platform's properties change

abstract FileObject findTool(String toolName)
          Gets the platform tool executable.

protected void firePropertyChange(String propName, Object oldValue, Object newValue)
          Fires PropertyChange to all registered PropertyChangeListeners

abstract ClassPath getBootstrapLibraries()
          Returns a ClassPath, which represents bootstrap libraries for the runtime environment.

static JavaPlatform getDefault()
          Get the "default platform", meaning the JDK on which NetBeans itself is running.

abstract String getDisplayName()


abstract Collection getInstallFolders()
          Retrieves a collection of FileObjects of one or more folders where the Platform is installed.

abstract List getJavadocFolders()
          Returns the locations of the Javadoc for this platform or empty collection if the location is not set or invalid

abstract Map getProperties()
          Gets the properties defined for java platform.

abstract ClassPath getSourceFolders()
          Returns the locations of the source of platform or empty collection when the location is not set or is invalid

abstract Specification getSpecification()
          Returns specification of the Java SDK

abstract ClassPath getStandardLibraries()
          Returns libraries recognized by default by the platform.

Map getSystemProperties()
          Gets the java platform system properties.

abstract String getVendor()
          Returns the vendor of the Java SDK

void removePropertyChangeListener(PropertyChangeListener l)
          Removes a listener registered previously

protected void setSystemProperties(Map sysproperties)
          Sets the system properties of java platform.

Methods inherited from class java.lang.Object

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

Field Summary
`static String`	`PROP_DISPLAY_NAME` Property name for displayName
`static String`	`PROP_JAVADOC_FOLDER` Property name for javadocFolders
`static String`	`PROP_SOURCE_FOLDER` Property name for sourceFolders
`static String`	`PROP_SYSTEM_PROPERTIES` Property name for systemProperties

Constructor Summary
`protected`	`JavaPlatform()` Creates a new instance of JavaPlatform

Method Summary
`void`	`addPropertyChangeListener(PropertyChangeListener l)` Registers a listener to be notified when some of the platform's properties change
`abstract FileObject`	`findTool(String toolName)` Gets the platform tool executable.
`protected void`	`firePropertyChange(String propName, Object oldValue, Object newValue)` Fires PropertyChange to all registered PropertyChangeListeners
`abstract ClassPath`	`getBootstrapLibraries()` Returns a ClassPath, which represents bootstrap libraries for the runtime environment.
`static JavaPlatform`	`getDefault()` Get the "default platform", meaning the JDK on which NetBeans itself is running.
`abstract String`	`getDisplayName()`
`abstract Collection`	`getInstallFolders()` Retrieves a collection of `FileObject`s of one or more folders where the Platform is installed.
`abstract List`	`getJavadocFolders()` Returns the locations of the Javadoc for this platform or empty collection if the location is not set or invalid
`abstract Map`	`getProperties()` Gets the properties defined for java platform.
`abstract ClassPath`	`getSourceFolders()` Returns the locations of the source of platform or empty collection when the location is not set or is invalid
`abstract Specification`	`getSpecification()` Returns specification of the Java SDK
`abstract ClassPath`	`getStandardLibraries()` Returns libraries recognized by default by the platform.
`Map`	`getSystemProperties()` Gets the java platform system properties.
`abstract String`	`getVendor()` Returns the vendor of the Java SDK
`void`	`removePropertyChangeListener(PropertyChangeListener l)` Removes a listener registered previously
`protected void`	`setSystemProperties(Map sysproperties)` Sets the system properties of java platform.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

PROP_DISPLAY_NAME

public static final String PROP_DISPLAY_NAME

Property name for displayName

See Also:: Constant Field Values

PROP_SOURCE_FOLDER

public static final String PROP_SOURCE_FOLDER

Property name for sourceFolders

See Also:: Constant Field Values

PROP_JAVADOC_FOLDER

public static final String PROP_JAVADOC_FOLDER

Property name for javadocFolders

See Also:: Constant Field Values

PROP_SYSTEM_PROPERTIES

public static final String PROP_SYSTEM_PROPERTIES

Property name for systemProperties

See Also:: Constant Field Values

Constructor Detail

JavaPlatform

protected JavaPlatform()

Creates a new instance of JavaPlatform

Method Detail

getDisplayName

public abstract String getDisplayName()

Returns:: a descriptive, human-readable name of the platform

addPropertyChangeListener

public final void addPropertyChangeListener(PropertyChangeListener l)

Registers a listener to be notified when some of the platform's properties change

removePropertyChangeListener

public final void removePropertyChangeListener(PropertyChangeListener l)

Removes a listener registered previously

getProperties

public abstract Map getProperties()

Gets the properties defined for java platform.

Returns:: the java platform properties

getSystemProperties

public final Map getSystemProperties()

Gets the java platform system properties.

Returns:: the java platform system properties

getBootstrapLibraries

public abstract ClassPath getBootstrapLibraries()

Returns a ClassPath, which represents bootstrap libraries for the runtime environment. The Bootstrap libraries include libraries in JRE's extension directory, if there are any.

Returns:: ClassPath representing the bootstrap libs

getStandardLibraries

public abstract ClassPath getStandardLibraries()

Returns libraries recognized by default by the platform. Usually it corresponds to contents of CLASSPATH environment variable.

getVendor

public abstract String getVendor()

Returns the vendor of the Java SDK

Returns:: String

getSpecification

public abstract Specification getSpecification()

Returns specification of the Java SDK

Returns:: Specification

getInstallFolders

public abstract Collection getInstallFolders()

Retrieves a collection of FileObjects of one or more folders where the Platform is installed. Typically it returns one folder, but in some cases there can be more of them.

findTool

public abstract FileObject findTool(String toolName)

Gets the platform tool executable.

Parameters:: toolName - the tool platform independent tool name.
Returns:: file representing the tool executable, or null if the tool can not be found

getSourceFolders

public abstract ClassPath getSourceFolders()

Returns the locations of the source of platform or empty collection when the location is not set or is invalid

Returns:: ClassPath never returns null

getJavadocFolders

public abstract List getJavadocFolders()

Returns the locations of the Javadoc for this platform or empty collection if the location is not set or invalid

Returns:: List<URL> never returns null

getDefault

public static JavaPlatform getDefault()

Get the "default platform", meaning the JDK on which NetBeans itself is running.

Returns:: the default platform, if it can be found, or null
See Also:: JavaPlatformManager.getDefaultPlatform()

firePropertyChange

protected final void firePropertyChange(String propName,
                                        Object oldValue,
                                        Object newValue)

Fires PropertyChange to all registered PropertyChangeListeners

Parameters:: propName -; oldValue -; newValue -

setSystemProperties

protected final void setSystemProperties(Map sysproperties)

Sets the system properties of java platform.

Parameters:: sysproperties - the java platform system properties