Package oms3.compiler

Class MemoryOutputJavaFileManager

java.lang.Object

javax.tools.ForwardingJavaFileManager<JavaFileManager>

oms3.compiler.MemoryOutputJavaFileManager

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable, JavaFileManager, OptionChecker

public class MemoryOutputJavaFileManager
extends ForwardingJavaFileManager<JavaFileManager>

A java file manager that stores output in memory, delegating all other functions to another file manager.

Nested Class Summary

Nested classes/interfaces inherited from interface javax.tools.JavaFileManager

JavaFileManager.Location

Field Summary

Fields inherited from class javax.tools.ForwardingJavaFileManager

fileManager

Constructor Summary

Constructors

Constructor	Description
MemoryOutputJavaFileManager(JavaFileManager fileManager)	Constructs a MemoryOutputJavaFileManager.

Method Summary

Modifier and Type	Method	Description
void	addClassPathUrl(URL url)	Adds a URL that classes may be loaded from.
static URL	baseUrlOfClass(Class<?> clazz)	Returns the base URL of the specified class.
JavaFileObject	getJavaFileForInput(JavaFileManager.Location location, String className, JavaFileObject.Kind kind)
JavaFileObject	getJavaFileForOutput(JavaFileManager.Location location, String className, JavaFileObject.Kind kind, FileObject sibling)
String	inferBinaryName(JavaFileManager.Location location, JavaFileObject file)
Iterable<JavaFileObject>	list(JavaFileManager.Location location, String packageName, Set<JavaFileObject.Kind> kinds, boolean recurse)
protected List<JavaFileObject>	listClassesFromUrl(URL base, String packageName)	Lists all files at a specified URL.

Methods inherited from class javax.tools.ForwardingJavaFileManager

close, contains, flush, getClassLoader, getFileForInput, getFileForOutput, getLocationForModule, getLocationForModule, getServiceLoader, handleOption, hasLocation, inferModuleName, isSameFile, isSupportedOption, listLocationsForModules

Methods inherited from class java.lang.Object

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

Constructor Detail

MemoryOutputJavaFileManager

public MemoryOutputJavaFileManager(JavaFileManager fileManager)

Constructs a MemoryOutputJavaFileManager.

Parameters:

fileManager - the underlying file manager to use.

Method Detail

addClassPathUrl

public void addClassPathUrl(URL url)

Adds a URL that classes may be loaded from. All classes from this URL will be added to the classpath.

Parameters:

url - the URL to add.

Throws:

NullPointerException - if url is null.

baseUrlOfClass

public static URL baseUrlOfClass(Class<?> clazz)

Returns the base URL of the specified class.

For example, if java.lang.String exists at http://base.net/parent/java/lang/String.class, the base URL is http://base.net/parent/.

Parameters:

clazz - the class.

Returns:

a base URL where the class is located.

Throws:

IllegalArgumentException - if a URL cannot be obtained.

getJavaFileForOutput

public JavaFileObject getJavaFileForOutput(JavaFileManager.Location location,
                                           String className,
                                           JavaFileObject.Kind kind,
                                           FileObject sibling)
                                    throws IOException

Specified by:

getJavaFileForOutput in interface JavaFileManager

Overrides:

getJavaFileForOutput in class ForwardingJavaFileManager<JavaFileManager>

Throws:

IOException

getJavaFileForInput

public JavaFileObject getJavaFileForInput(JavaFileManager.Location location,
                                          String className,
                                          JavaFileObject.Kind kind)
                                   throws IOException

Specified by:

getJavaFileForInput in interface JavaFileManager

Overrides:

getJavaFileForInput in class ForwardingJavaFileManager<JavaFileManager>

Throws:

IOException

inferBinaryName

public String inferBinaryName(JavaFileManager.Location location,
                              JavaFileObject file)

Specified by:

inferBinaryName in interface JavaFileManager

Overrides:

inferBinaryName in class ForwardingJavaFileManager<JavaFileManager>

list

public Iterable<JavaFileObject> list(JavaFileManager.Location location,
                                     String packageName,
                                     Set<JavaFileObject.Kind> kinds,
                                     boolean recurse)
                              throws IOException

Specified by:

list in interface JavaFileManager

Overrides:

list in class ForwardingJavaFileManager<JavaFileManager>

Throws:

IOException

listClassesFromUrl

protected List<JavaFileObject> listClassesFromUrl(URL base,
                                                  String packageName)
                                           throws IOException

Lists all files at a specified URL.

Parameters:

base - the URL.

packageName - the package name of classes to list.

Returns:

a list of class files.

Throws:

IOException - if an I/O error occurs.