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com.sun.faces.facelets.component.UIRepeat Maven / Gradle / Ivy
This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2013 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
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* If you wish your version of this file to be governed by only the CDDL or
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* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*
*
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*
* Copyright 2005-2007 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
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*
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*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
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*/
package com.sun.faces.facelets.component;
import com.sun.faces.facelets.tag.IterationStatus;
import javax.el.ValueExpression;
import javax.faces.FacesException;
import javax.faces.application.Application;
import javax.faces.application.FacesMessage;
import javax.faces.component.ContextCallback;
import javax.faces.component.EditableValueHolder;
import javax.faces.component.UIComponent;
import javax.faces.component.UIData;
import javax.faces.component.UINamingContainer;
import javax.faces.component.visit.VisitContext;
import javax.faces.component.visit.VisitCallback;
import javax.faces.component.visit.VisitHint;
import javax.faces.component.visit.VisitResult;
import javax.faces.context.FacesContext;
import javax.faces.event.AbortProcessingException;
import javax.faces.event.FacesEvent;
import javax.faces.event.FacesListener;
import javax.faces.event.PhaseId;
import javax.faces.event.PostValidateEvent;
import javax.faces.event.PreValidateEvent;
import javax.faces.model.ArrayDataModel;
import javax.faces.model.DataModel;
import javax.faces.model.ListDataModel;
import javax.faces.model.ResultSetDataModel;
import javax.faces.model.ScalarDataModel;
import javax.faces.render.Renderer;
import java.io.IOException;
import java.io.Serializable;
import java.sql.ResultSet;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Collection;
public class UIRepeat extends UINamingContainer {
public static final String COMPONENT_TYPE = "facelets.ui.Repeat";
public static final String COMPONENT_FAMILY = "facelets";
private final static DataModel EMPTY_MODEL =
new ListDataModel(Collections.emptyList());
// our data
private Object value;
private transient DataModel model;
// variables
private String var;
private String varStatus;
private int index = -1;
private Integer begin;
private Integer end;
private Integer step;
private Integer size;
public UIRepeat() {
this.setRendererType("facelets.ui.Repeat");
}
public String getFamily() {
return COMPONENT_FAMILY;
}
public void setEnd(Integer end) {
this.end = end;
}
public Integer getEnd() {
if (this.end != null) {
return end;
}
ValueExpression ve = this.getValueExpression("end");
if (ve != null) {
return (Integer) ve.getValue(getFacesContext().getELContext());
}
return null;
}
public void setSize(Integer size) {
this.size = size;
}
public Integer getSize() {
if (this.size != null) {
return size;
}
ValueExpression ve = this.getValueExpression("size");
if (ve != null) {
return (Integer) ve.getValue(getFacesContext().getELContext());
}
return null;
}
public void setOffset(Integer offset) {
this.begin = offset;
}
public Integer getOffset() {
if (this.begin != null) {
return this.begin;
}
ValueExpression ve = this.getValueExpression("offset");
if (ve != null) {
return (Integer) ve.getValue(getFacesContext().getELContext());
}
return null;
}
public void setBegin(Integer begin) {
this.begin = begin;
}
public Integer getBegin() {
if (this.begin != null) {
return this.begin;
}
ValueExpression ve = this.getValueExpression("begin");
if (ve != null) {
return (Integer) ve.getValue(getFacesContext().getELContext());
}
return null;
}
public void setStep(Integer step) {
this.step = step;
}
public Integer getStep() {
if (this.step != null) {
return this.step;
}
ValueExpression ve = this.getValueExpression("step");
if (ve != null) {
return (Integer) ve.getValue(getFacesContext().getELContext());
}
return null;
}
public String getVar() {
return this.var;
}
public void setVar(String var) {
this.var = var;
}
public String getVarStatus() {
return varStatus;
}
public void setVarStatus(String varStatus) {
this.varStatus = varStatus;
}
private void resetDataModel() {
if (this.isNestedInIterator()) {
this.setDataModel(null);
}
}
private void setDataModel(DataModel model) {
//noinspection unchecked
this.model = model;
}
private DataModel getDataModel() {
if (this.model == null) {
Object val = this.getValue();
if (val == null) {
this.model = EMPTY_MODEL;
} else if (val instanceof DataModel) {
//noinspection unchecked
this.model = (DataModel) val;
} else if (val instanceof List) {
//noinspection unchecked
this.model = new ListDataModel((List) val);
} else if (Object[].class.isAssignableFrom(val.getClass())) {
this.model = new ArrayDataModel((Object[]) val);
} else if (val instanceof ResultSet) {
this.model = new ResultSetDataModel((ResultSet) val);
} else {
this.model = new ScalarDataModel(val);
}
}
return this.model;
}
public Object getValue() {
if (this.value == null) {
ValueExpression ve = this.getValueExpression("value");
if (ve != null) {
return ve.getValue(getFacesContext().getELContext());
}
}
return this.value;
}
public void setValue(Object value) {
this.value = value;
}
private transient StringBuffer buffer;
private StringBuffer getBuffer() {
if (this.buffer == null) {
this.buffer = new StringBuffer();
}
this.buffer.setLength(0);
return this.buffer;
}
public String getClientId(FacesContext faces) {
String id = super.getClientId(faces);
if (this.index >= 0) {
id = this.getBuffer().append(id).append(
getSeparatorChar(faces)).append(this.index)
.toString();
}
return id;
}
private transient Object origValueOfVar;
private transient Object origValueOfVarStatus;
private void captureOrigValue(FacesContext ctx) {
if (this.var != null || this.varStatus != null) {
Map attrs = ctx.getExternalContext().getRequestMap();
if (this.var != null) {
this.origValueOfVar = attrs.get(this.var);
}
if (this.varStatus != null) {
this.origValueOfVarStatus = attrs.get(this.varStatus);
}
}
}
private void restoreOrigValue(FacesContext ctx) {
if (this.var != null || this.varStatus != null) {
Map attrs = ctx.getExternalContext().getRequestMap();
if (this.var != null) {
if (this.origValueOfVar != null) {
attrs.put(this.var, this.origValueOfVar);
} else {
attrs.remove(this.var);
}
}
if (this.varStatus != null) {
if (this.origValueOfVarStatus != null) {
attrs.put(this.varStatus, this.origValueOfVarStatus);
} else {
attrs.remove(this.varStatus);
}
}
}
}
private Map childState;
private Map getChildState() {
if (this.childState == null) {
this.childState = new HashMap();
}
return this.childState;
}
private void clearChildState() {
this.childState = null;
}
private void saveChildState(FacesContext ctx) {
if (this.getChildCount() > 0) {
for (UIComponent uiComponent : this.getChildren()) {
this.saveChildState(ctx, uiComponent);
}
}
}
private void removeChildState(FacesContext ctx) {
if (this.getChildCount() > 0) {
for (UIComponent uiComponent : this.getChildren()) {
this.removeChildState(ctx, uiComponent);
}
if (this.childState != null) {
this.childState.remove(this.getClientId(ctx));
}
}
}
private void removeChildState(FacesContext faces, UIComponent c) {
String id = c.getId();
c.setId(id);
Iterator itr = c.getFacetsAndChildren();
while (itr.hasNext()) {
removeChildState(faces, (UIComponent) itr.next());
}
if (this.childState != null) {
this.childState.remove(c.getClientId(faces));
}
}
private void saveChildState(FacesContext faces, UIComponent c) {
if (c instanceof EditableValueHolder && !c.isTransient()) {
String clientId = c.getClientId(faces);
SavedState ss = this.getChildState().get(clientId);
if (ss == null) {
ss = new SavedState();
this.getChildState().put(clientId, ss);
}
ss.populate((EditableValueHolder) c);
}
// continue hack
Iterator itr = c.getFacetsAndChildren();
while (itr.hasNext()) {
saveChildState(faces, (UIComponent) itr.next());
}
}
private void restoreChildState(FacesContext ctx) {
if (this.getChildCount() > 0) {
for (UIComponent uiComponent : this.getChildren()) {
this.restoreChildState(ctx, uiComponent);
}
}
}
private void restoreChildState(FacesContext faces, UIComponent c) {
// reset id
String id = c.getId();
c.setId(id);
// hack
if (c instanceof EditableValueHolder) {
EditableValueHolder evh = (EditableValueHolder) c;
String clientId = c.getClientId(faces);
SavedState ss = this.getChildState().get(clientId);
if (ss != null) {
ss.apply(evh);
} else {
if(c.getValueExpression("value") != null)
NullState.apply(evh);
}
}
// continue hack
Iterator itr = c.getFacetsAndChildren();
while (itr.hasNext()) {
restoreChildState(faces, (UIComponent) itr.next());
}
}
private boolean keepSaved(FacesContext context) {
return (hasErrorMessages(context) || isNestedInIterator());
}
private boolean hasErrorMessages(FacesContext context) {
FacesMessage.Severity sev = context.getMaximumSeverity();
return (sev != null && (FacesMessage.SEVERITY_ERROR.compareTo(sev) <= 0));
}
private boolean isNestedInIterator() {
UIComponent parent = this.getParent();
while (parent != null) {
if (parent instanceof UIData || parent instanceof UIRepeat) {
return true;
}
parent = parent.getParent();
}
return false;
}
private void setIndex(FacesContext ctx, int index) {
DataModel localModel = getDataModel();
// save child state
if (this.index != -1 && localModel.isRowAvailable()) {
this.saveChildState(ctx);
} else if (this.index >= 0 && this.childState != null) {
this.removeChildState(ctx);
}
this.index = index;
localModel.setRowIndex(index);
if (this.index != -1 && this.var != null && localModel.isRowAvailable()) {
Map attrs = ctx.getExternalContext().getRequestMap();
attrs.put(var, localModel.getRowData());
}
// restore child state
if (this.index != -1 && localModel.isRowAvailable()) {
this.restoreChildState(ctx);
}
}
private void updateIterationStatus(FacesContext ctx, IterationStatus status) {
if (this.varStatus != null) {
Map attrs = ctx.getExternalContext().getRequestMap();
attrs.put(varStatus, status);
}
}
private boolean isIndexAvailable() {
return this.getDataModel().isRowAvailable();
}
public void process(FacesContext faces, PhaseId phase) {
// stop if not rendered
if (!this.isRendered())
return;
// clear datamodel
this.resetDataModel();
// We must clear the child state if we just entered the Render Phase, and there are no error messages
if (PhaseId.RENDER_RESPONSE.equals(phase) && !hasErrorMessages(faces)) {
this.clearChildState();
}
// reset index
this.captureOrigValue(faces);
this.setIndex(faces, -1);
try {
// has children
if (this.getChildCount() > 0) {
Iterator itr;
UIComponent c;
Integer begin = this.getBegin();
Integer step = this.getStep();
Integer end = this.getEnd();
Integer offset = this.getOffset();
if (null != offset && offset > 0) {
begin = offset;
}
Integer size = this.getSize();
if (null != size) {
end = size;
}
// grab renderer
String rendererType = getRendererType();
Renderer renderer = null;
if (rendererType != null) {
renderer = getRenderer(faces);
}
int rowCount = getDataModel().getRowCount();
int i = ((begin != null) ? begin : 0);
int e = ((end != null) ? end : rowCount);
int s = ((step != null) ? step : 1);
validateIterationControlValues(rowCount, i, e);
if (null != size && size > 0) {
e = size - 1;
}
this.setIndex(faces, i);
this.updateIterationStatus(faces, new IterationStatus(true, (i + s > e || rowCount == 1), i, begin, end, step));
while (i <= e && this.isIndexAvailable()) {
if (PhaseId.RENDER_RESPONSE.equals(phase)
&& renderer != null) {
renderer.encodeChildren(faces, this);
} else {
itr = this.getChildren().iterator();
while (itr.hasNext()) {
c = (UIComponent) itr.next();
if (PhaseId.APPLY_REQUEST_VALUES.equals(phase)) {
c.processDecodes(faces);
} else if (PhaseId.PROCESS_VALIDATIONS
.equals(phase)) {
c.processValidators(faces);
} else if (PhaseId.UPDATE_MODEL_VALUES
.equals(phase)) {
c.processUpdates(faces);
} else if (PhaseId.RENDER_RESPONSE.equals(phase)) {
c.encodeAll(faces);
}
}
}
i += s;
this.setIndex(faces, i);
this.updateIterationStatus(faces, new IterationStatus(false, i + s >= e, i, begin, end, step));
}
}
} catch (IOException e) {
throw new FacesException(e);
} finally {
this.setIndex(faces, -1);
this.restoreOrigValue(faces);
}
/*
* Once rendering is done we need to make sure the child components
* are not still having client ids that use an index.
*/
if (PhaseId.RENDER_RESPONSE.equals(phase)) {
resetClientIds(this);
}
}
private void resetClientIds(UIComponent component) {
Iterator iterator = component.getFacetsAndChildren();
while(iterator.hasNext()) {
UIComponent child = iterator.next();
resetClientIds(child);
child.setId(child.getId());
}
}
public boolean invokeOnComponent(FacesContext faces, String clientId,
ContextCallback callback) throws FacesException {
String id = super.getClientId(faces);
if (clientId.equals(id)) {
this.pushComponentToEL(faces, this);
try {
callback.invokeContextCallback(faces, this);
}
finally {
this.popComponentFromEL(faces);
}
return true;
} else if (clientId.startsWith(id)) {
int prevIndex = this.index;
int idxStart = clientId.indexOf(getSeparatorChar(faces), id
.length());
if (idxStart != -1
&& Character.isDigit(clientId.charAt(idxStart + 1))) {
int idxEnd = clientId.indexOf(getSeparatorChar(faces),
idxStart+1);
if (idxEnd != -1) {
int newIndex = Integer.parseInt(clientId.substring(
idxStart+1, idxEnd));
boolean found = false;
try {
this.captureOrigValue(faces);
this.setIndex(faces,newIndex);
if (this.isIndexAvailable()) {
found = super.invokeOnComponent(faces, clientId,
callback);
}
} finally {
this.setIndex(faces, prevIndex);
this.restoreOrigValue(faces);
}
return found;
}
} else {
return super.invokeOnComponent(faces, clientId, callback);
}
}
return false;
}
@Override
public boolean visitTree(VisitContext context, VisitCallback callback) {
// First check to see whether we are visitable. If not
// short-circuit out of this subtree, though allow the
// visit to proceed through to other subtrees.
if (!isVisitable(context)) {
return false;
}
FacesContext facesContext = context.getFacesContext();
boolean visitRows = requiresRowIteration(context);
int oldRowIndex = -1;
if (visitRows) {
oldRowIndex = getDataModel().getRowIndex();
setIndex(facesContext, -1);
}
this.setDataModel(null);
// Push ourselves to EL
pushComponentToEL(facesContext, null);
try {
// Visit ourselves. Note that we delegate to the
// VisitContext to actually perform the visit.
VisitResult result = context.invokeVisitCallback(this, callback);
// If the visit is complete, short-circuit out and end the visit
if (result == VisitResult.COMPLETE) {
return true;
}
// Visit children, short-circuiting as necessary
if ((result == VisitResult.ACCEPT) && doVisitChildren(context)) {
// And finally, visit rows
if (!visitRows) {
// visit rows without model access
for (UIComponent kid : getChildren()) {
if (kid.visitTree(context, callback)) {
return true;
}
}
} else {
if (visitChildren(context, callback)) {
return true;
}
}
}
}
finally {
// Clean up - pop EL and restore old row index
popComponentFromEL(facesContext);
if (visitRows) {
setIndex(facesContext, oldRowIndex);
}
}
// Return false to allow the visit to continue
return false;
}
private boolean requiresRowIteration(VisitContext ctx) {
boolean shouldIterate = !ctx.getHints().contains(VisitHint.SKIP_ITERATION);
if (!shouldIterate) {
FacesContext faces = ctx.getFacesContext();
String sourceId = faces.getExternalContext().getRequestParameterMap().get("javax.faces.source");
boolean containsSource = sourceId != null ? sourceId.startsWith(super.getClientId(faces) + getSeparatorChar(faces)): false;
return containsSource;
} else {
return shouldIterate;
}
}
// Tests whether we need to visit our children as part of
// a tree visit
private boolean doVisitChildren(VisitContext context) {
// Just need to check whether there are any ids under this
// subtree. Make sure row index is cleared out since
// getSubtreeIdsToVisit() needs our row-less client id.
//
// We only need to position if row iteration is actually needed.
//
if (requiresRowIteration(context)) {
setIndex(context.getFacesContext(), -1);
}
Collection idsToVisit = context.getSubtreeIdsToVisit(this);
assert(idsToVisit != null);
// All ids or non-empty collection means we need to visit our children.
return (!idsToVisit.isEmpty());
}
private void validateIterationControlValues(int rowCount,
int begin,
int end) {
if (rowCount == 0) {
return;
}
// PENDING i18n
if (begin > rowCount) {
throw new FacesException("Iteration start index is greater than the number of available rows.");
}
if (begin > end) {
throw new FacesException("Iteration start index is greater than the end index.");
}
if (end > rowCount) {
throw new FacesException("Iteration end index is greater than the number of available rows.");
}
}
private boolean visitChildren(VisitContext context, VisitCallback callback) {
Integer begin = this.getBegin();
Integer end = this.getEnd();
Integer step = this.getStep();
int rowCount = getDataModel().getRowCount();
int i = ((begin != null) ? begin : 0);
int e = ((end != null) ? end : rowCount);
int s = ((step != null) ? step : 1);
validateIterationControlValues(rowCount, i, e);
FacesContext faces = context.getFacesContext();
this.setIndex(faces, i);
this.updateIterationStatus(faces,
new IterationStatus(true,
(i + s > e || rowCount == 1),
i,
begin,
end,
step));
while (i < e && this.isIndexAvailable()) {
this.setIndex(faces, i);
this.updateIterationStatus(faces,
new IterationStatus(false,
i + s >= e,
i,
begin,
end,
step));
for (UIComponent kid : getChildren()) {
if (kid.visitTree(context, callback)) {
return true;
}
}
i += s;
}
return false;
}
public void processDecodes(FacesContext faces) {
if (!this.isRendered())
return;
this.setDataModel(null);
if (!this.keepSaved(faces)) this.childState = null;
this.process(faces, PhaseId.APPLY_REQUEST_VALUES);
this.decode(faces);
}
public void processUpdates(FacesContext faces) {
if (!this.isRendered()) return;
this.resetDataModel();
this.process(faces, PhaseId.UPDATE_MODEL_VALUES);
}
public void processValidators(FacesContext faces) {
if (!this.isRendered()) return;
this.resetDataModel();
Application app = faces.getApplication();
app.publishEvent(faces, PreValidateEvent.class, this);
this.process(faces, PhaseId.PROCESS_VALIDATIONS);
app.publishEvent(faces, PostValidateEvent.class, this);
}
private final static SavedState NullState = new SavedState();
// from RI
private final static class SavedState implements Serializable {
private Object submittedValue;
private static final long serialVersionUID = 2920252657338389849L;
Object getSubmittedValue() {
return (this.submittedValue);
}
void setSubmittedValue(Object submittedValue) {
this.submittedValue = submittedValue;
}
private boolean valid = true;
boolean isValid() {
return (this.valid);
}
void setValid(boolean valid) {
this.valid = valid;
}
private Object value;
Object getValue() {
return (this.value);
}
public void setValue(Object value) {
this.value = value;
}
private boolean localValueSet;
boolean isLocalValueSet() {
return (this.localValueSet);
}
public void setLocalValueSet(boolean localValueSet) {
this.localValueSet = localValueSet;
}
public String toString() {
return ("submittedValue: " + submittedValue + " value: " + value
+ " localValueSet: " + localValueSet);
}
public void populate(EditableValueHolder evh) {
this.value = evh.getLocalValue();
this.valid = evh.isValid();
this.submittedValue = evh.getSubmittedValue();
this.localValueSet = evh.isLocalValueSet();
}
public void apply(EditableValueHolder evh) {
evh.setValue(this.value);
evh.setValid(this.valid);
evh.setSubmittedValue(this.submittedValue);
evh.setLocalValueSet(this.localValueSet);
}
}
private static final class IndexedEvent extends FacesEvent {
private static final long serialVersionUID = 1L;
private final FacesEvent target;
private final int index;
public IndexedEvent(UIRepeat owner, FacesEvent target, int index) {
super(owner);
this.target = target;
this.index = index;
}
public PhaseId getPhaseId() {
return (this.target.getPhaseId());
}
public void setPhaseId(PhaseId phaseId) {
this.target.setPhaseId(phaseId);
}
public boolean isAppropriateListener(FacesListener listener) {
return this.target.isAppropriateListener(listener);
}
public void processListener(FacesListener listener) {
UIRepeat owner = (UIRepeat) this.getComponent();
int prevIndex = owner.index;
FacesContext ctx = FacesContext.getCurrentInstance();
try {
owner.setIndex(ctx,this.index);
if (owner.isIndexAvailable()) {
this.target.processListener(listener);
}
} finally {
owner.setIndex(ctx,prevIndex);
}
}
public int getIndex() {
return index;
}
public FacesEvent getTarget() {
return target;
}
}
public void broadcast(FacesEvent event) throws AbortProcessingException {
if (event instanceof IndexedEvent) {
IndexedEvent idxEvent = (IndexedEvent) event;
this.resetDataModel();
int prevIndex = this.index;
FacesContext ctx = FacesContext.getCurrentInstance();
FacesEvent target = idxEvent.getTarget();
UIComponent source = target.getComponent();
UIComponent compositeParent = null;
try {
int rowCount = getDataModel().getRowCount();
int idx = idxEvent.getIndex();
this.setIndex(ctx, idx);
Integer begin = this.getBegin();
Integer end = this.getEnd();
Integer step = this.getStep();
int b = ((begin != null) ? begin : 0);
int e = ((end != null) ? end : rowCount);
int s = ((step != null) ? step : 1);
this.updateIterationStatus(ctx,
new IterationStatus(idx == b,
(idx + s >= e || rowCount == 1),
idx,
begin,
end,
step));
if (this.isIndexAvailable()) {
if (!UIComponent.isCompositeComponent(source)) {
compositeParent = UIComponent
.getCompositeComponentParent(source);
}
if (compositeParent != null) {
compositeParent.pushComponentToEL(ctx, null);
}
source.pushComponentToEL(ctx, null);
source.broadcast(target);
}
} finally {
source.popComponentFromEL(ctx);
if (compositeParent != null) {
compositeParent.popComponentFromEL(ctx);
}
this.updateIterationStatus(ctx, null);
this.setIndex(ctx, prevIndex);
}
} else {
super.broadcast(event);
}
}
public void queueEvent(FacesEvent event) {
super.queueEvent(new IndexedEvent(this, event, this.index));
}
public void restoreState(FacesContext faces, Object object) {
if (faces == null) {
throw new NullPointerException();
}
if (object == null) {
return;
}
Object[] state = (Object[]) object;
super.restoreState(faces, state[0]);
//noinspection unchecked
this.childState = (Map) state[1];
this.begin = (Integer) state[2];
this.end = (Integer) state[3];
this.step = (Integer) state[4];
this.var = (String) state[5];
this.varStatus = (String) state[6];
this.value = state[7];
}
public Object saveState(FacesContext faces) {
resetClientIds(this);
if (faces == null) {
throw new NullPointerException();
}
Object[] state = new Object[8];
state[0] = super.saveState(faces);
state[1] = this.childState;
state[2] = this.begin;
state[3] = this.end;
state[4] = this.step;
state[5] = this.var;
state[6] = this.varStatus;
state[7] = this.value;
return state;
}
public void encodeChildren(FacesContext faces) throws IOException {
if (!isRendered()) {
return;
}
this.setDataModel(null);
if (!this.keepSaved(faces)) {
this.childState = null;
}
this.process(faces, PhaseId.RENDER_RESPONSE);
}
public boolean getRendersChildren() {
if (getRendererType() != null) {
Renderer renderer = getRenderer(getFacesContext());
if (renderer != null) {
return renderer.getRendersChildren();
}
}
return true;
}
}
