Class Resources

java.lang.Object

org.apache.tools.ant.ProjectComponent

org.apache.tools.ant.types.DataType

org.apache.tools.ant.types.resources.Resources

All Implemented Interfaces:

Cloneable, Iterable<Resource>, ResourceCollection, AppendableResourceCollection

public class Resources
extends DataType
implements AppendableResourceCollection

Generic ResourceCollection: Either stores nested ResourceCollections, making no attempt to remove duplicates, or references another ResourceCollection.

Since:

Ant 1.7

Field Summary

Fields

Modifier and Type	Field	Description
static final Iterator<Resource>	EMPTY_ITERATOR	static empty Iterator
static final ResourceCollection	NONE	static empty ResourceCollection

Fields inherited from class DataType

checked, ref

Modifier and Type	Field	Description
protected boolean	checked	Deprecated. since 1.7.
protected Reference	ref	Deprecated. since 1.7.

Fields inherited from class ProjectComponent

description, location, project

Modifier and Type	Field	Description
protected String	description	Deprecated. since 1.6.x.
protected Location	location	Deprecated. since 1.6.x.
protected Project	project	Deprecated. since 1.6.x.

Constructor Summary

Constructors

Constructor	Description
Resources()	Create a new Resources.
Resources(Project project)	Create a new Resources.

Method Summary

Modifier and Type	Method	Description
void	add(ResourceCollection c)	Add a ResourceCollection.
protected void	dieOnCircularReference(Stack<Object> stk, Project p)	Overrides the base implementation to recurse on all DataType child elements that may have been added.
protected void	invalidateExistingIterators()	Allow subclasses to notify existing Iterators they have experienced concurrent modification.
boolean	isFilesystemOnly()	Fulfill the ResourceCollection contract.
Iterator<Resource>	iterator()	Fulfill the ResourceCollection contract.
void	setCache(boolean b)	Set whether to cache collections.
int	size()	Fulfill the ResourceCollection contract.
String	toString()	Format this Resources as a String.

Methods inherited from class DataType

checkAttributesAllowed, checkChildrenAllowed, circularReference, clone, dieOnCircularReference, dieOnCircularReference, getCheckedRef, getCheckedRef, getCheckedRef, getCheckedRef, getCheckedRef, getDataTypeName, getRefid, invokeCircularReferenceCheck, isChecked, isReference, noChildrenAllowed, pushAndInvokeCircularReferenceCheck, setChecked, setRefid, tooManyAttributes

Modifier and Type	Method	Description
protected void	checkAttributesAllowed()	check that it is ok to set attributes, i.e that no reference is defined
protected void	checkChildrenAllowed()	check that it is ok to add children, i.e that no reference is defined
protected BuildException	circularReference()	Creates an exception that indicates the user has generated a loop of data types referencing each other.
Object	clone()
protected void	dieOnCircularReference()	Convenience method.
protected void	dieOnCircularReference(Project p)	Convenience method.
protected <T> T	getCheckedRef()	Deprecated. use getCheckedRef(Class)
protected <T> T	getCheckedRef(Class<T> requiredClass)	Performs the check for circular references and returns the referenced object.
protected <T> T	getCheckedRef(Class<T> requiredClass, String dataTypeName)	Performs the check for circular references and returns the referenced object.
protected <T> T	getCheckedRef(Class<T> requiredClass, String dataTypeName, Project project)	Performs the check for circular references and returns the referenced object.
protected <T> T	getCheckedRef(Project p)	Deprecated. use getCheckedRef(Class)
protected String	getDataTypeName()	Gets as descriptive as possible a name used for this datatype instance.
Reference	getRefid()	get the reference set on this object
static void	invokeCircularReferenceCheck(DataType dt, Stack<Object> stk, Project p)	Allow DataTypes outside org.apache.tools.ant.types to indirectly call dieOnCircularReference on nested DataTypes.
protected boolean	isChecked()	The flag that is used to indicate that circular references have been checked.
boolean	isReference()	Has the refid attribute of this element been set?
protected BuildException	noChildrenAllowed()	Creates an exception that indicates that this XML element must not have child elements if the refid attribute is set.
static void	pushAndInvokeCircularReferenceCheck(DataType dt, Stack<Object> stk, Project p)	Allow DataTypes outside org.apache.tools.ant.types to indirectly call dieOnCircularReference on nested DataTypes.
protected void	setChecked(boolean checked)	Set the flag that is used to indicate that circular references have been checked.
void	setRefid(Reference ref)	Set the value of the refid attribute.
protected BuildException	tooManyAttributes()	Creates an exception that indicates that refid has to be the only attribute if it is set.

Methods inherited from class ProjectComponent

getDescription, getLocation, getProject, log, log, setDescription, setLocation, setProject

Modifier and Type	Method	Description
String	getDescription()	Returns the description of the current action.
Location	getLocation()	Returns the file/location where this task was defined.
Project	getProject()	Returns the project to which this component belongs.
void	log(String msg)	Logs a message with the default (INFO) priority.
void	log(String msg, int msgLevel)	Logs a message with the given priority.
void	setDescription(String desc)	Sets a description of the current action.
void	setLocation(Location location)	Sets the file/location where this task was defined.
void	setProject(Project project)	Sets the project object of this component.

Methods inherited from class Object

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

Methods inherited from interface Iterable

forEach, spliterator

Methods inherited from interface ResourceCollection

isEmpty, stream

Modifier and Type	Method	Description
default boolean	isEmpty()	Learn whether this ResourceCollection is empty.
default Stream<? extends Resource>	stream()	Return a Stream over this ResourceCollection.

Field Details

NONE

public static final ResourceCollection NONE

static empty ResourceCollection

EMPTY_ITERATOR

public static final Iterator<Resource> EMPTY_ITERATOR

static empty Iterator

Constructor Details

Resources

public Resources()

Create a new Resources.

Resources

public Resources(Project project)

Create a new Resources.

Parameters:

project - Project

Since:

Ant 1.8

Method Details

setCache

public void setCache(boolean b)

Set whether to cache collections.

Parameters:

b - boolean cache flag.

Since:

Ant 1.8.0

add

public void add(ResourceCollection c)

Add a ResourceCollection.

Specified by:

add in interface AppendableResourceCollection

Parameters:

c - the ResourceCollection to add.

iterator

public Iterator<Resource> iterator()

Fulfill the ResourceCollection contract.

Specified by:

iterator in interface Iterable<Resource>

Returns:

an Iterator of Resources.

size

public int size()

Fulfill the ResourceCollection contract.

Specified by:

size in interface ResourceCollection

Returns:

number of elements as int.

isFilesystemOnly

public boolean isFilesystemOnly()

Fulfill the ResourceCollection contract.

Specified by:

isFilesystemOnly in interface ResourceCollection

Returns:

true if all Resources represent files.

toString

public String toString()

Format this Resources as a String.

Overrides:

toString in class DataType

Returns:

a descriptive String.

dieOnCircularReference

protected void dieOnCircularReference(Stack<Object> stk,
 Project p)
                               throws BuildException

Overrides the base implementation to recurse on all DataType child elements that may have been added.

Overrides:

dieOnCircularReference in class DataType

Parameters:

stk - the stack of data types to use (recursively).

p - the Project to use to dereference the references.

Throws:

BuildException - on error.

invalidateExistingIterators

protected void invalidateExistingIterators()

Allow subclasses to notify existing Iterators they have experienced concurrent modification.