oracle.jdeveloper.java.locator

Class LibraryClassLocator

java.lang.Object

oracle.jdeveloper.java.locator.BaseClassLocator

oracle.jdeveloper.java.locator.LibraryClassLocator

All Implemented Interfaces:

ClasspathTree, JavaClassLocator, JavaClassLocator2, JavaResourceLocator

public class LibraryClassLocator
extends BaseClassLocator

The LibraryClassLocator is an implementation of the JavaClassLocator to locate classes for a Library instance.

Field Summary

Fields

Modifier and Type	Field and Description
protected BaseClassLocator	_classLocator The locator for the class path for the library.
protected boolean	_hasNoClassPath Whether there is a class path or not.
protected Library	_library The library.
protected BaseClassLocator	_sourceLocator The locator for the source path for the library.

Fields inherited from class oracle.jdeveloper.java.locator.BaseClassLocator

EMPTY_COLLECTION, EMPTY_LOCATOR, EMPTY_STRING_ARRAY

Constructor Summary

Constructors

Constructor and Description
LibraryClassLocator(Library library) Constructs a new LibraryClassLocator for the given library.
LibraryClassLocator(Workspace workspace, Library library)

Method Summary

Modifier and Type	Method and Description
void	buildIndex() Instructs this class locator to start building its index for locating files.
void	buildIndexInterruptibly() Instructs this class locator to start building its index for locating files.
void	getAllClasses(java.util.Collection<java.lang.String> out, ClassNameFilter filter) Fetch all of the top-level classes that are known by this locator.
void	getAllClassesInterruptibly(java.util.Collection<java.lang.String> out, ClassNameFilter filter) Get all of the top-level classes that are known by this locator.
void	getAllPackages(java.util.Collection<java.lang.String> out, PackageNameFilter filter) Fetch all of the full packges that are known by this locator.
void	getAllPackagesInterruptibly(java.util.Collection<java.lang.String> out, PackageNameFilter filter) Get all of the full packges that are known by this locator.
protected java.util.Collection<BaseClassLocator>	getChildLocators(java.util.EnumSet<ClasspathTreeVisitOptions> options) Get the child class locators to be visited.
void	getClassesInPackage(java.lang.String packagePrefix, java.util.Collection<java.lang.String> out) Fetch the list of top-level classes within the given package, adding them to the out collection provided.
void	getClassesInPackageInterruptibly(java.lang.String packagePrefix, java.util.Collection<java.lang.String> out) Get the list of top-level classes within the package.
protected java.lang.Object	getClasspathTreeNode() Get the classpath tree node corresponding to this locator.
java.net.URL	getClassURL(java.lang.String fqClassName) Fetch the URL for the JavaFile for the given fully-qualified Java class name.
java.net.URL	getClassURLInterruptibly(java.lang.String fqClassName) Fetch the URL for the JavaFile for the given fully-qualified Java class name.
void	getPackages(java.lang.String packagePrefix, java.util.Collection<java.lang.String> out) Fetch the list of subpackages within the given package, adding them to the out collection provided.
void	getPackagesInterruptibly(java.lang.String packagePrefix, java.util.Collection<java.lang.String> out) Get the list of subpackages within the given package.
java.net.URL	getResourceURL(java.lang.String resourceName) Fetch the URL for the Java resource file given the resource name.
protected BaseClassLocator	getSourceLocator(BaseClassLocator locator)
java.net.URL	getSourceURL(java.lang.String fqClassName) Fetch the URL for the SourceFile for the given fully-qualified Java class name.
java.net.URL	getSourceURLInterruptibly(java.lang.String fqClassName) Fetch the URL for the SourceFile for the given fully-qualified Java class name.
java.net.URL	getURL(java.lang.String fqClassName) Fetch the URL for the JavaFile for the given fully-qualified Java class name.
java.net.URL	getURLInterruptibly(java.lang.String fqClassName) Fetch the URL for the JavaFile for the given fully-qualified Java class name.
protected void	init(Workspace workspace, Library library) Initialization used in the constructor taking a Workspace and Library.

Methods inherited from class oracle.jdeveloper.java.locator.BaseClassLocator

addToCollection, buildFQName, checkInterrupt, ensureValid, getAllClasses, getAllClasses, getAllClassesInterruptibly, getAllClassesInterruptibly, getAllPackages, getAllPackages, getAllPackagesInterruptibly, getAllPackagesInterruptibly, getClassesByName, getClassesByNameInterruptibly, getClassesByPrefix, getClassesByPrefixInterruptibly, getClassesDirectly, getClassesInPackage, getClassesInPackageInterruptibly, getNameCascades, getNameParts, getPackages, getPackagesInterruptibly, getResourcesDirectly, getResourceURLs, getStringArray, visitClasspathTree, visitClasspathTree, visitJavaTypes, visitJavaTypes, visitResources, visitResources

Methods inherited from class java.lang.Object

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

Field Detail

_library

protected Library _library

The library.

_classLocator

protected BaseClassLocator _classLocator

The locator for the class path for the library.

_hasNoClassPath

protected boolean _hasNoClassPath

Whether there is a class path or not.

_sourceLocator

protected BaseClassLocator _sourceLocator

The locator for the source path for the library.

Constructor Detail

LibraryClassLocator

public LibraryClassLocator(Library library)

Constructs a new LibraryClassLocator for the given library.

Parameters:

library - the library to locate classes for

LibraryClassLocator

public LibraryClassLocator(Workspace workspace,
                           Library library)

Method Detail

init

protected void init(Workspace workspace,
                    Library library)

Initialization used in the constructor taking a Workspace and Library. Can be overridden by derived classes for custom construction.

Parameters:

workspace - A Workspace

library - A Library

buildIndex

public void buildIndex()

Instructs this class locator to start building its index for locating files. This method runs on the current thread and blocks until the index build is completed. To build the index in the background, call this method on a background thread.

buildIndexInterruptibly

public void buildIndexInterruptibly()
                             throws java.lang.InterruptedException

Description copied from interface: JavaClassLocator2

Instructs this class locator to start building its index for locating files. This method runs on the current thread and blocks until the index build is completed. To build the index in the background, call this method on a background thread.

Specified by:

buildIndexInterruptibly in interface JavaClassLocator2

Overrides:

buildIndexInterruptibly in class BaseClassLocator

Throws:

java.lang.InterruptedException - if the build is interrupted

getPackages

public void getPackages(java.lang.String packagePrefix,
                        java.util.Collection<java.lang.String> out)

Fetch the list of subpackages within the given package, adding them to the out collection provided.

Specified by:

getPackages in class BaseClassLocator

Parameters:

packagePrefix - the package prefix, i.e., "java.io"

out - the collection to add the packages

getPackagesInterruptibly

public void getPackagesInterruptibly(java.lang.String packagePrefix,
                                     java.util.Collection<java.lang.String> out)
                              throws java.lang.InterruptedException

Description copied from class: BaseClassLocator

Get the list of subpackages within the given package. Can be overridden by subclasses that support interruption.

Overrides:

getPackagesInterruptibly in class BaseClassLocator

Parameters:

packagePrefix - the package prefix

out - the collection where packages are added

Throws:

java.lang.InterruptedException - if the operation is interrupted

getClassesInPackage

public void getClassesInPackage(java.lang.String packagePrefix,
                                java.util.Collection<java.lang.String> out)

Fetch the list of top-level classes within the given package, adding them to the out collection provided.

Specified by:

getClassesInPackage in class BaseClassLocator

Parameters:

packagePrefix - the package prefix, i.e., "java.io"

out - the collection to add the class names

getClassesInPackageInterruptibly

public void getClassesInPackageInterruptibly(java.lang.String packagePrefix,
                                             java.util.Collection<java.lang.String> out)
                                      throws java.lang.InterruptedException

Description copied from class: BaseClassLocator

Get the list of top-level classes within the package. Can be overridden by subclasses that support interruption.

Overrides:

getClassesInPackageInterruptibly in class BaseClassLocator

Parameters:

packagePrefix - the package prefix

out - the collection where packages are added

Throws:

java.lang.InterruptedException - if the operation is interrupted

getAllClasses

public void getAllClasses(java.util.Collection<java.lang.String> out,
                          ClassNameFilter filter)

Fetch all of the top-level classes that are known by this locator. This will return fully-qualified class names, such as "java.util.List".

Specified by:

getAllClasses in class BaseClassLocator

Parameters:

out - the collection to add the fully-qualified class names

filter - the class name filter to use

getAllClassesInterruptibly

public void getAllClassesInterruptibly(java.util.Collection<java.lang.String> out,
                                       ClassNameFilter filter)
                                throws java.lang.InterruptedException

Description copied from class: BaseClassLocator

Get all of the top-level classes that are known by this locator. This can be overridden by subclasses that provide support for interruption.

Overrides:

getAllClassesInterruptibly in class BaseClassLocator

Parameters:

out - the collection where fully qualified class names are added

filter - the class name filter to use

Throws:

java.lang.InterruptedException - if the operation is interrupted

getAllPackages

public void getAllPackages(java.util.Collection<java.lang.String> out,
                           PackageNameFilter filter)

Fetch all of the full packges that are known by this locator. This will return fully-qualified package names, such as "java.util" or "java.io". This collection will not include the top-level package "".

Specified by:

getAllPackages in class BaseClassLocator

Parameters:

out - the collection to add the full package names

filter - the pckage name filter to use

getAllPackagesInterruptibly

public void getAllPackagesInterruptibly(java.util.Collection<java.lang.String> out,
                                        PackageNameFilter filter)
                                 throws java.lang.InterruptedException

Description copied from class: BaseClassLocator

Get all of the full packges that are known by this locator. Can be overridden by subclasses that support interruption.

Overrides:

getAllPackagesInterruptibly in class BaseClassLocator

Parameters:

out - the collection where package names are added

filter - the package name filter to use

Throws:

java.lang.InterruptedException - if the operation is interrupted

getURL

public java.net.URL getURL(java.lang.String fqClassName)

Fetch the URL for the JavaFile for the given fully-qualified Java class name. The implementation may choose either a class URL or source URL. For example, an implementation may decide to return the URL that is more up-to-date, or an URL that would be faster to load. Note that if the given class is an inner class, this routine may return the URL for the Java source that contains the owning outer class.

Parameters:

fqClassName - the fully-qualified class name in dotted notation, i.e., java.util.List

Returns:

the URL for the JavaFile containing the given class

getURLInterruptibly

public java.net.URL getURLInterruptibly(java.lang.String fqClassName)
                                 throws java.lang.InterruptedException

Description copied from interface: JavaClassLocator2

Fetch the URL for the JavaFile for the given fully-qualified Java class name. The implementation may choose either a class URL or source URL. For example, an implementation may decide to return the URL that is more up-to-date, or an URL that would be faster to load. Note that if the given class is an inner class, this routine may return the URL for the Java source that contains the owning outer class.

Specified by:

getURLInterruptibly in interface JavaClassLocator2

Overrides:

getURLInterruptibly in class BaseClassLocator

Parameters:

fqClassName - the fully-qualified class name in dotted notation, i.e., java.util.List

Returns:

the URL for the JavaFile containing the given class

Throws:

java.lang.InterruptedException - if the operation is interrupted

getSourceURL

public java.net.URL getSourceURL(java.lang.String fqClassName)

Fetch the URL for the SourceFile for the given fully-qualified Java class name. This may return null if a source URL is not available for the given fully-qualified class name.

Parameters:

fqClassName - the fully-qualified class name in dotted notation

getSourceURLInterruptibly

public java.net.URL getSourceURLInterruptibly(java.lang.String fqClassName)
                                       throws java.lang.InterruptedException

Description copied from interface: JavaClassLocator2

Fetch the URL for the SourceFile for the given fully-qualified Java class name. This may return null if a source URL is not available for the given fully-qualified class name.

Specified by:

getSourceURLInterruptibly in interface JavaClassLocator2

Overrides:

getSourceURLInterruptibly in class BaseClassLocator

Parameters:

fqClassName - the fully-qualified class name in dotted notation

Throws:

java.lang.InterruptedException - if the operation is interrupted

getClassURL

public java.net.URL getClassURL(java.lang.String fqClassName)

Fetch the URL for the JavaFile for the given fully-qualified Java class name. This may return null if a given class URL is not available for the given fully-qualified class name.

Parameters:

fqClassName - the fully-qualified class name in dotted notation

Returns:

the Java *.class URL, or null if it is not found

getClassURLInterruptibly

public java.net.URL getClassURLInterruptibly(java.lang.String fqClassName)
                                      throws java.lang.InterruptedException

Description copied from interface: JavaClassLocator2

Fetch the URL for the JavaFile for the given fully-qualified Java class name. This may return null if a given class URL is not available for the given fully-qualified class name.

Specified by:

getClassURLInterruptibly in interface JavaClassLocator2

Overrides:

getClassURLInterruptibly in class BaseClassLocator

Parameters:

fqClassName - the fully-qualified class name in dotted notation

Throws:

java.lang.InterruptedException - if the operation is interrupted

getResourceURL

public java.net.URL getResourceURL(java.lang.String resourceName)

Fetch the URL for the Java resource file given the resource name. This should include the full path of the resource, minus any root directory that is part of the class path.

Parameters:

resourceName - the full name of the resource including any file extensions

Returns:

the Java resource URL, or null if it is not found

getClasspathTreeNode

protected java.lang.Object getClasspathTreeNode()

Description copied from class: BaseClassLocator

Get the classpath tree node corresponding to this locator.

Overrides:

getClasspathTreeNode in class BaseClassLocator

Returns:

the classpath tree node, or null if there is no classpath tree node corresponding to this locator

See Also:

ClasspathTree

getChildLocators

protected java.util.Collection<BaseClassLocator> getChildLocators(java.util.EnumSet<ClasspathTreeVisitOptions> options)

Description copied from class: BaseClassLocator

Get the child class locators to be visited.

Overrides:

getChildLocators in class BaseClassLocator

Parameters:

options - the classpath tree visit options

Returns:

the child class locators

getSourceLocator

protected BaseClassLocator getSourceLocator(BaseClassLocator locator)

Overrides:

getSourceLocator in class BaseClassLocator