protected void assignUniqueId(FaceletContext ctx, UIComponent parent, String id, UIComponent c) {
// If the id is specified as a literal, and the component is being
// repeated (by c:forEach, for example), use generated unique ids
// after the first instance
if (this.id != null && !(this.id.isLiteral() && ComponentSupport.getNeedUniqueIds(ctx))) {
c.setId(this.id.getValue(ctx));
} else {
UIViewRoot root = ComponentSupport.getViewRoot(ctx, parent);
if (root != null) {
String uid;
IdMapper mapper = IdMapper.getMapper(ctx.getFacesContext());
String mid = ((mapper != null) ? mapper.getAliasedId(id) : id);
UIComponent ancestorNamingContainer = parent.getNamingContainer();
if (null != ancestorNamingContainer && ancestorNamingContainer instanceof UniqueIdVendor) {
uid =
((UniqueIdVendor) ancestorNamingContainer).createUniqueId(ctx.getFacesContext(), mid);
} else {
uid = root.createUniqueId(ctx.getFacesContext(), mid);
}
c.setId(uid);
}
}
if (this.rendererType != null) {
c.setRendererType(this.rendererType);
}
}
public void applyAttachedObject(FacesContext context, UIComponent parent) {
FaceletContext ctx =
(FaceletContext) context.getAttributes().get(FaceletContext.FACELET_CONTEXT_KEY);
// cast to a ValueHolder
ValueHolder vh = (ValueHolder) parent;
ValueExpression ve = null;
Converter c = null;
if (owner.getBinding() != null) {
ve = owner.getBinding().getValueExpression(ctx, Converter.class);
c = (Converter) ve.getValue(ctx);
}
if (c == null) {
c = this.createConverter(ctx);
if (ve != null) {
ve.setValue(ctx, c);
}
}
if (c == null) {
throw new TagException(owner.getTag(), "No Converter was created");
}
owner.setAttributes(ctx, c);
vh.setConverter(c);
Object lv = vh.getLocalValue();
FacesContext faces = ctx.getFacesContext();
if (lv instanceof String) {
vh.setValue(c.getAsObject(faces, parent, (String) lv));
}
}
private void applyCompositeComponent(FaceletContext ctx, UIComponent c) throws IOException {
FacesContext facesContext = ctx.getFacesContext();
FaceletFactory factory =
(FaceletFactory) RequestStateManager.get(facesContext, RequestStateManager.FACELET_FACTORY);
VariableMapper orig = ctx.getVariableMapper();
UIPanel facetComponent;
if (ComponentHandler.isNew(c)) {
facetComponent = (UIPanel) facesContext.getApplication().createComponent("javax.faces.Panel");
facetComponent.setRendererType("javax.faces.Group");
c.getFacets().put(UIComponent.COMPOSITE_FACET_NAME, facetComponent);
} else {
facetComponent = (UIPanel) c.getFacets().get(UIComponent.COMPOSITE_FACET_NAME);
}
assert (null != facetComponent);
try {
Facelet f = factory.getFacelet(ccResource.getURL());
VariableMapper wrapper =
new VariableMapperWrapper(orig) {
@Override
public ValueExpression resolveVariable(String variable) {
return super.resolveVariable(variable);
}
};
ctx.setVariableMapper(wrapper);
f.apply(facesContext, facetComponent);
} finally {
ctx.setVariableMapper(orig);
}
}
/*
* Internal hook that allows us to perform common processing for all
* components after they are populated. At the moment, the only common
* processing we need to perform is applying wrapping AjaxBehaviors,
* if any exist.
*/
private void privateOnComponentPopulated(FaceletContext ctx, UIComponent c) {
if (c instanceof ClientBehaviorHolder) {
FacesContext context = ctx.getFacesContext();
AjaxBehaviors ajaxBehaviors = AjaxBehaviors.getAjaxBehaviors(context, false);
if (ajaxBehaviors != null) {
ajaxBehaviors.addBehaviors(context, (ClientBehaviorHolder) c);
}
}
if (c instanceof EditableValueHolder) {
processValidators(ctx.getFacesContext(), (EditableValueHolder) c);
}
}
@Override
public BeanInfo getComponentMetadata(FacesContext context, Resource ccResource) {
// PENDING this implementation is terribly wasteful.
// Must find a better way.
CompositeComponentBeanInfo result;
FaceletContext ctx =
(FaceletContext) context.getAttributes().get(FaceletContext.FACELET_CONTEXT_KEY);
FaceletFactory factory =
(FaceletFactory) RequestStateManager.get(context, RequestStateManager.FACELET_FACTORY);
VariableMapper orig = ctx.getVariableMapper();
UIComponent tmp = context.getApplication().createComponent("javax.faces.NamingContainer");
UIPanel facetComponent =
(UIPanel) context.getApplication().createComponent("javax.faces.Panel");
facetComponent.setRendererType("javax.faces.Group");
tmp.getFacets().put(UIComponent.COMPOSITE_FACET_NAME, facetComponent);
// We have to put the resource in here just so the classes that eventually
// get called by facelets have access to it.
tmp.getAttributes().put(Resource.COMPONENT_RESOURCE_KEY, ccResource);
Facelet f;
try {
f = factory.getFacelet(ccResource.getURL());
VariableMapper wrapper =
new VariableMapperWrapper(orig) {
@Override
public ValueExpression resolveVariable(String variable) {
return super.resolveVariable(variable);
}
};
ctx.setVariableMapper(wrapper);
context.getAttributes().put(IS_BUILDING_METADATA, Boolean.TRUE);
f.apply(context, facetComponent);
} catch (Exception e) {
if (e instanceof FacesException) {
throw (FacesException) e;
} else {
throw new FacesException(e);
}
} finally {
context.getAttributes().remove(IS_BUILDING_METADATA);
ctx.setVariableMapper(orig);
}
result = (CompositeComponentBeanInfo) tmp.getAttributes().get(UIComponent.BEANINFO_KEY);
return result;
}
public UIComponent createComponent(FaceletContext ctx) {
FacesContext context = ctx.getFacesContext();
UIComponent cc;
// we have to handle the binding here, as Application doesn't
// expose a method to do so with Resource.
if (binding != null) {
ValueExpression ve = binding.getValueExpression(ctx, UIComponent.class);
cc = (UIComponent) ve.getValue(ctx);
if (cc != null && !UIComponent.isCompositeComponent(cc)) {
if (LOGGER.isLoggable(Level.SEVERE)) {
LOGGER.log(Level.SEVERE, "jsf.compcomp.binding.eval.non.compcomp", binding.toString());
}
cc = null;
}
if (cc == null) {
cc = context.getApplication().createComponent(context, ccResource);
ve.setValue(ctx, cc);
}
} else {
cc = context.getApplication().createComponent(context, ccResource);
}
setCompositeComponent(context, cc);
return cc;
}
/**
* Create a Converter instance
*
* @param ctx FaceletContext to use
* @return Converter instance, cannot be null
*/
private Converter createConverter(FaceletContext ctx) {
if (owner.getConverterId(ctx) == null) {
throw new TagException(
owner.getTag(),
"Default behavior invoked of requiring a converter-id passed in the constructor, must override ConvertHandler(ConverterConfig)");
}
return ctx.getFacesContext().getApplication().createConverter(owner.getConverterId(ctx));
}
private void throwRequiredException(FaceletContext ctx, UIComponent compositeParent) {
throw new TagException(
this.tag,
"Unable to find any children components "
+ "nested within parent composite component with id '"
+ compositeParent.getClientId(ctx.getFacesContext())
+ '\'');
}
@Override
public void apply(FaceletContext ctx, UIComponent parent) throws IOException {
String variable = this.var.getValue(ctx);
ValueExpression obj = this.value.getValueExpression(ctx, Object.class);
/*Object resolved = obj.getValue(ctx);
ctx.getVariableMapper().setVariable(variable,
ctx.getExpressionFactory().createValueExpression(resolved, Object.class));*/
ctx.getVariableMapper().setVariable(variable, obj);
}
@Override
public void apply(FaceletContext ctx, UIComponent parent)
throws IOException, FacesException, FaceletException, ELException {
if (parent instanceof ActionSource) {
// only process if parent was just created
if (parent.getParent() == null) {
ActionSource src = (ActionSource) parent;
ActionListener listener =
new MethodExpressionActionListener(
new MetaMethodExpression(
value.getMethodExpression(ctx, null, ACTION_LISTENER_SIG),
ctx.getFunctionMapper(),
ctx.getVariableMapper()));
src.addActionListener(listener);
}
} else {
throw new TagException(tag, "Parent is not of type ActionSource, type is: " + parent);
}
}
protected void popComponentFromEL(
FaceletContext ctx,
UIComponent c,
CompositeComponentStackManager ccStackManager,
boolean compCompPushed) {
c.popComponentFromEL(ctx.getFacesContext());
if (compCompPushed) {
ccStackManager.pop(TreeCreation);
}
}
public void applyMetadata(FaceletContext ctx, Object instance) {
AbstractDataScroller datascroller = (AbstractDataScroller) instance;
ValueExpression ve = page.getValueExpression(ctx, int.class);
if (ve.isLiteralText()) {
Integer value = (Integer) ve.getValue(ctx.getFacesContext().getELContext());
datascroller.setPage(value);
} else {
datascroller.setValueExpression("page", ve);
}
}
protected boolean pushComponentToEL(
FaceletContext ctx, UIComponent c, CompositeComponentStackManager ccStackManager) {
c.pushComponentToEL(ctx.getFacesContext(), c);
boolean compcompPushed = false;
if (UIComponent.isCompositeComponent(c)) {
compcompPushed = ccStackManager.push(c, TreeCreation);
}
return compcompPushed;
}
/**
* Specialized implementation to prevent caching of the MetaRuleset when ProjectStage is
* Development.
*/
@Override
public void setAttributes(FaceletContext ctx, Object instance) {
if (instance != null) {
if (ctx.getFacesContext().isProjectStage(ProjectStage.Development)) {
Metadata meta = createMetaRuleset(instance.getClass()).finish();
meta.applyMetadata(ctx, instance);
} else {
super.setAttributes(ctx, instance);
}
}
}
@Override
protected AjaxBehavior createBehavior(FaceletContext ctx, String eventName) {
Application application = ctx.getFacesContext().getApplication();
AjaxBehavior behavior = (AjaxBehavior) application.createBehavior(AjaxBehavior.BEHAVIOR_ID);
setBehaviorAttribute(
ctx, behavior, this.process, AjaxBehavior.PropertyKeys.process.expectedType);
setBehaviorAttribute(ctx, behavior, this.update, AjaxBehavior.PropertyKeys.update.expectedType);
setBehaviorAttribute(
ctx, behavior, this.onstart, AjaxBehavior.PropertyKeys.onstart.expectedType);
setBehaviorAttribute(
ctx, behavior, this.onerror, AjaxBehavior.PropertyKeys.onerror.expectedType);
setBehaviorAttribute(
ctx, behavior, this.onsuccess, AjaxBehavior.PropertyKeys.onsuccess.expectedType);
setBehaviorAttribute(
ctx, behavior, this.oncomplete, AjaxBehavior.PropertyKeys.oncomplete.expectedType);
setBehaviorAttribute(
ctx, behavior, this.disabled, AjaxBehavior.PropertyKeys.disabled.expectedType);
setBehaviorAttribute(
ctx, behavior, this.immediate, AjaxBehavior.PropertyKeys.immediate.expectedType);
setBehaviorAttribute(ctx, behavior, this.global, AjaxBehavior.PropertyKeys.global.expectedType);
setBehaviorAttribute(ctx, behavior, this.async, AjaxBehavior.PropertyKeys.async.expectedType);
setBehaviorAttribute(
ctx, behavior, this.partialSubmit, AjaxBehavior.PropertyKeys.partialSubmit.expectedType);
setBehaviorAttribute(
ctx, behavior, this.listener, AjaxBehavior.PropertyKeys.listener.expectedType);
setBehaviorAttribute(
ctx, behavior, this.resetValues, AjaxBehavior.PropertyKeys.resetValues.expectedType);
setBehaviorAttribute(
ctx,
behavior,
this.ignoreAutoUpdate,
AjaxBehavior.PropertyKeys.ignoreAutoUpdate.expectedType);
setBehaviorAttribute(ctx, behavior, this.delay, AjaxBehavior.PropertyKeys.delay.expectedType);
setBehaviorAttribute(
ctx, behavior, this.timeout, AjaxBehavior.PropertyKeys.timeout.expectedType);
setBehaviorAttribute(
ctx,
behavior,
this.partialSubmitFilter,
AjaxBehavior.PropertyKeys.partialSubmitFilter.expectedType);
if (listener != null) {
behavior.addAjaxBehaviorListener(
new AjaxBehaviorListenerImpl(
this.listener.getMethodExpression(ctx, Object.class, new Class[] {}),
this.listener.getMethodExpression(
ctx, Object.class, new Class[] {AjaxBehaviorEvent.class})));
}
return behavior;
}
@Override
protected ConfirmBehavior createBehavior(
FaceletContext ctx, String eventName, UIComponent parent) {
Application application = ctx.getFacesContext().getApplication();
ConfirmBehavior behavior =
(ConfirmBehavior) application.createBehavior(ConfirmBehavior.BEHAVIOR_ID);
setBehaviorAttribute(
ctx, behavior, this.header, ConfirmBehavior.PropertyKeys.header.expectedType);
setBehaviorAttribute(
ctx, behavior, this.message, ConfirmBehavior.PropertyKeys.message.expectedType);
setBehaviorAttribute(ctx, behavior, this.icon, ConfirmBehavior.PropertyKeys.icon.expectedType);
return behavior;
}
public void apply(FaceletContext ctx, UIComponent parent) throws IOException {
UIComponent compositeParent = UIComponent.getCurrentCompositeComponent(ctx.getFacesContext());
if (compositeParent == null) {
return;
}
boolean required = ((this.required != null) && this.required.getBoolean(ctx));
if (compositeParent.getChildCount() == 0 && required) {
throwRequiredException(ctx, compositeParent);
}
List<UIComponent> compositeChildren = compositeParent.getChildren();
List<UIComponent> parentChildren = parent.getChildren();
parentChildren.addAll(compositeChildren);
}
public void apply(FaceletContext ctx, UIComponent parent) throws IOException {
// only process if it's been created
if (parent == null || !ComponentHandler.isNew(parent)) {
return;
}
if (isEventSource(parent)) {
applyAttachedObject(ctx.getFacesContext(), parent);
} else if (UIComponent.isCompositeComponent(parent)) {
// Allow the composite component to know about the target component.
TagHandlerUtils.getOrCreateRetargetableHandlersList(parent).add(this);
} else {
throw new TagException(
this.tag, "Parent does not match event source requirements: " + parent);
}
}
protected void addComponentToView(
FaceletContext ctx, UIComponent parent, UIComponent c, boolean componentFound) {
FacesContext context = ctx.getFacesContext();
boolean suppressEvents = ComponentSupport.suppressViewModificationEvents(context);
boolean compcomp = UIComponent.isCompositeComponent(c);
if (suppressEvents && componentFound && !compcomp) {
context.setProcessingEvents(false);
}
ComponentSupport.addComponent(ctx, parent, c);
if (suppressEvents && componentFound && !compcomp) {
context.setProcessingEvents(true);
}
}
protected void doNewComponentActions(FaceletContext ctx, String id, UIComponent c) {
if (log.isLoggable(Level.FINE)) {
log.fine(owner.getTag() + " Component[" + id + "] Created: " + c.getClass().getName());
}
// If this is NOT a composite component...
if (null == createCompositeComponentDelegate) {
// set the attributes and properties into the UIComponent instance.
owner.setAttributes(ctx, c);
}
// otherwise, allow the composite component code to do it.
// mark it owned by a facelet instance
c.getAttributes().put(ComponentSupport.MARK_CREATED, id);
if (ctx.getFacesContext().isProjectStage(ProjectStage.Development)) {
// inject the location into the component
c.getAttributes().put(UIComponent.VIEW_LOCATION_KEY, owner.getTag().getLocation());
}
}
/**
* Adds a default disabled "select a value" option if widget is not required.
*
* @since 6.0
*/
protected FaceletHandler getFirstHandler(
FaceletContext ctx, FaceletHandlerHelper helper, Widget widget, FaceletHandler nextHandler) {
Object doNotDisplay = widget.getProperty(SelectPropertyMappings.notDisplayDefaultOption.name());
if (doNotDisplay != null) {
if (Boolean.TRUE.equals(doNotDisplay)) {
return null;
}
if (doNotDisplay instanceof String) {
Object res = ComponentTagUtils.resolveElExpression(ctx, (String) doNotDisplay);
if ((res instanceof Boolean && Boolean.TRUE.equals(res))
|| (res instanceof String && Boolean.parseBoolean((String) res))) {
return null;
}
}
}
String bundleName = ctx.getFacesContext().getApplication().getMessageBundle();
String localizedExpression = "#{" + bundleName + "['label.vocabulary.selectValue']}";
WidgetSelectOption selectOption =
new WidgetSelectOptionImpl("", "", localizedExpression, "", Boolean.FALSE, Boolean.TRUE);
return getBareOptionFaceletHandler(ctx, helper, widget, selectOption, nextHandler);
}
/**
* If the binding attribute was specified, use that in conjuction with our componentType String
* variable to call createComponent on the Application, otherwise just pass the componentType
* String.
*
* <p>If the binding was used, then set the ValueExpression "binding" on the created UIComponent.
*
* @see Application#createComponent(javax.faces.el.ValueBinding, javax.faces.context.FacesContext,
* java.lang.String)
* @see Application#createComponent(java.lang.String)
* @param ctx FaceletContext to use in creating a component
* @return
*/
private UIComponent createComponent(FaceletContext ctx) {
if (null != createCompositeComponentDelegate) {
return createCompositeComponentDelegate.createComponent(ctx);
}
UIComponent c;
FacesContext faces = ctx.getFacesContext();
Application app = faces.getApplication();
if (this.binding != null) {
ValueExpression ve = this.binding.getValueExpression(ctx, Object.class);
c = app.createComponent(ve, faces, this.componentType, this.rendererType);
if (c != null) {
// Make sure the component supports 1.2
c.setValueExpression("binding", ve);
}
} else {
c = app.createComponent(faces, this.componentType, this.rendererType);
}
return c;
}
protected void doOrphanedChildCleanup(FaceletContext ctx, UIComponent parent, UIComponent c) {
ComponentSupport.finalizeForDeletion(c);
if (getFacetName(parent) == null) {
FacesContext context = ctx.getFacesContext();
boolean suppressEvents = ComponentSupport.suppressViewModificationEvents(context);
if (suppressEvents) {
// if the component has already been found, it will be removed
// and added back to the view. We don't want to publish events
// for this case.
context.setProcessingEvents(false);
}
// suppress the remove event for this case since it will be re-added
parent.getChildren().remove(c);
if (suppressEvents) {
// re-enable event processing
context.setProcessingEvents(true);
}
}
}
@Override
public void applyNextHandler(FaceletContext ctx, UIComponent c)
throws IOException, FacesException, ELException {
// attributes need to be applied before any action is taken on
// nested children handlers or the composite component handlers
// as there may be an expression evaluated at tree creation time
// that needs access to these attributes
setAttributes(ctx, c);
// Allow any nested elements that reside inside the markup element
// for this tag to get applied
super.applyNextHandler(ctx, c);
// Apply the facelet for this composite component
applyCompositeComponent(ctx, c);
// Allow any PDL declared attached objects to be retargeted
if (ComponentHandler.isNew(c)) {
FacesContext context = ctx.getFacesContext();
String viewId = context.getViewRoot().getViewId();
// PENDING(rlubke): performance
ViewDeclarationLanguageFactory factory =
(ViewDeclarationLanguageFactory)
FactoryFinder.getFactory(FactoryFinder.VIEW_DECLARATION_LANGUAGE_FACTORY);
ViewDeclarationLanguage vdl = factory.getViewDeclarationLanguage(viewId);
vdl.retargetAttachedObjects(context, c, getAttachedObjectHandlers(c, false));
vdl.retargetMethodExpressions(context, c);
// RELEASE_PENDING This is *ugly*. See my comments in
// ComponentTagHandlerDelegateImpl at the end of the apply()
// method
if (StateContext.getStateContext(context).partialStateSaving(context, viewId)) {
markInitialState(c);
}
}
}
@Override
public void apply(FaceletContext ctx, UIComponent parent)
throws IOException, FacesException, FaceletException, ELException {
// only process if it's been created
if (parent == null || !(parent.getParent() == null)) {
return;
}
if (parent instanceof ValueHolder) {
owner.applyAttachedObject(ctx.getFacesContext(), parent);
} else if (parent.getAttributes().containsKey(Resource.COMPONENT_RESOURCE_KEY)) {
if (null == owner.getFor()) {
// PENDING(): I18N
throw new TagException(
owner.getTag(),
"converter tags nested within composite components must have a non-null \"for\" attribute");
}
// Allow the composite component to know about the target
// component.
CompositeComponentTagHandler.getAttachedObjectHandlers(parent).add(owner);
} else {
throw new TagException(owner.getTag(), "Parent not an instance of ValueHolder: " + parent);
}
}
/*
* (non-Javadoc)
*
* @see com.sun.facelets.FaceletHandler#apply(com.sun.facelets.FaceletContext,
* javax.faces.component.UIComponent)
*/
public void apply(FaceletContext ctx, UIComponent parent) throws IOException {
String nameStr = this.name.getValue(ctx);
ValueExpression valueVE = this.value.getValueExpression(ctx, Object.class);
ctx.getVariableMapper().setVariable(nameStr, valueVE);
}
public void onComponentCreated(FaceletContext ctx, UIComponent c, UIComponent parent) {
try {
final FacesContext facesContext = ctx.getFacesContext();
final Object pathValue = pathAttribute.getValueExpression(ctx, String.class).getValue(ctx);
final String path;
if (pathValue == null) {
throw new FacesException("Value for properties file path is null");
}
if (!pathValue.toString().startsWith("/")) {
path = "/WEB-INF/" + pathValue;
} else {
path = pathValue.toString();
}
@SuppressWarnings("unused")
final String charsetName;
if (charsetAttribute == null) {
charsetName = "UTF-8";
} else {
final Object encodingValue =
charsetAttribute.getValueExpression(ctx, String.class).getValue(ctx);
if (encodingValue == null) {
charsetName = "UTF-8";
} else {
charsetName = encodingValue.toString();
}
}
final ExternalContext externalContext = facesContext.getExternalContext();
final Properties properties;
final InputStream stream = externalContext.getResourceAsStream(path);
try {
properties = new Properties();
try {
properties.load(stream);
} catch (IOException e) {
final FacesException ex =
new FacesException("Unable to load properties: " + e.getMessage());
ex.setStackTrace(e.getStackTrace());
throw ex;
}
} finally {
try {
stream.close();
} catch (IOException e) {
log.warning("Failed to close resource stream: " + e.getMessage());
}
}
final NodeMap nodeMap = new NodeHashMap();
for (Map.Entry<Object, Object> entry : properties.entrySet()) {
NodeMap loc = nodeMap;
for (String part : new DelimitedStringList(entry.getKey().toString(), '.')) {
if (loc.containsKey(part)) {
loc = loc.get(part);
} else {
final NodeMap newMap = new NodeHashMap();
loc.put(part, newMap);
loc = newMap;
}
}
loc.setNodeValue(entry.getValue().toString());
}
nodeMap.lock();
final UIProperties uiProperties = ((UIProperties) c);
uiProperties.setPropertiesMap(nodeMap);
final Object varValue = varAttribute.getValueExpression(ctx, String.class).getValue(ctx);
if (varValue == null) {
throw new TagException(tag, "Value of 'var' attribute cannot be null");
}
uiProperties.setVar(varValue.toString());
uiProperties.updatePropertyMap(facesContext);
} catch (TagException tex) {
throw tex;
} catch (RuntimeException rex) {
TagException tex =
new TagException(
tag,
"An exception of type "
+ rex.getClass().getName()
+ " occurred: "
+ rex.getMessage());
tex.setStackTrace(rex.getStackTrace());
throw tex;
}
}
public void applyMetadata(FaceletContext ctx, Object instance) {
((ValueHolder) instance)
.setConverter(ctx.getFacesContext().getApplication().createConverter(this.converterId));
}
/**
* Method handles UIComponent tree creation in accordance with the JSF 1.2 spec.
*
* <ol>
* <li>First determines this UIComponent's id by calling {@link
* javax.faces.view.facelets.ComponentHandler#getTagId()}.
* <li>Search the parent for an existing UIComponent of the id we just grabbed
* <li>If found, {@link
* com.sun.faces.facelets.tag.jsf.ComponentSupport#markForDeletion(javax.faces.component.UIComponent)
* mark} its children for deletion.
* <li>If <i>not</i> found, call {@link #createComponent(FaceletContext) createComponent}.
* <ol>
* <li>Only here do we apply {@link
* com.sun.faces.facelets.tag.MetaTagHandlerImpl#setAttributes(FaceletContext,
* Object)}
* <li>Set the UIComponent's id
* <li>Set the RendererType of this instance
* </ol>
* <li>Now apply the nextHandler, passing the UIComponent we've created/found.
* <li>Now add the UIComponent to the passed parent
* <li>Lastly, if the UIComponent already existed (found), then {@link
* ComponentSupport#finalizeForDeletion(UIComponent) finalize} for deletion.
* </ol>
*
* @throws TagException if the UIComponent parent is null
*/
@Override
public void apply(FaceletContext ctx, UIComponent parent) throws IOException {
FacesContext context = ctx.getFacesContext();
// make sure our parent is not null
if (parent == null) {
throw new TagException(owner.getTag(), "Parent UIComponent was null");
}
// our id
String id = ctx.generateUniqueId(owner.getTagId());
// grab our component
UIComponent c = findChild(ctx, parent, id);
if (null == c
&& context.isPostback()
&& UIComponent.isCompositeComponent(parent)
&& parent.getAttributes().get(id) != null) {
c = findReparentedComponent(ctx, parent, id);
} else {
/**
* If we found a child that is dynamic, the actual parent might have changed, so we need to
* remove it from the actual parent. The reapplyDynamicActions will then replay the actions
* and will make sure it ends up in the correct order.
*/
if (c != null
&& c.getParent() != parent
&& c.getAttributes().containsKey(DYNAMIC_COMPONENT)) {
c.getParent().getChildren().remove(c);
}
}
boolean componentFound = false;
if (c != null) {
componentFound = true;
doExistingComponentActions(ctx, id, c);
} else {
c = this.createComponent(ctx);
doNewComponentActions(ctx, id, c);
assignUniqueId(ctx, parent, id, c);
// hook method
owner.onComponentCreated(ctx, c, parent);
}
CompositeComponentStackManager ccStackManager =
CompositeComponentStackManager.getManager(context);
boolean compcompPushed = pushComponentToEL(ctx, c, ccStackManager);
if (ProjectStage.Development == context.getApplication().getProjectStage()) {
ComponentSupport.setTagForComponent(context, c, this.owner.getTag());
}
// If this this a naming container, stop generating unique Ids
// for the repeated tags
boolean setUniqueIds = false;
boolean oldUnique = false;
if (c instanceof NamingContainer) {
oldUnique = ComponentSupport.setNeedUniqueIds(ctx, false);
setUniqueIds = true;
}
try {
// first allow c to get populated
owner.applyNextHandler(ctx, c);
} finally {
if (setUniqueIds) ComponentSupport.setNeedUniqueIds(ctx, oldUnique);
}
// finish cleaning up orphaned children
if (componentFound) {
doOrphanedChildCleanup(ctx, parent, c);
}
this.privateOnComponentPopulated(ctx, c);
owner.onComponentPopulated(ctx, c, parent);
// add to the tree afterwards
// this allows children to determine if it's
// been part of the tree or not yet
addComponentToView(ctx, parent, c, componentFound);
adjustIndexOfDynamicChildren(context, c);
popComponentFromEL(ctx, c, ccStackManager, compcompPushed);
}
/**
* Returns a new DateTimeConverter
*
* @see DateTimeConverter
*/
protected Converter createConverter(FaceletContext ctx)
throws FacesException, ELException, FaceletException {
return ctx.getFacesContext().getApplication().createConverter(DateTimeConverter.CONVERTER_ID);
}