/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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 limitations
* under the License.
*/
package org.apache.myfaces.tobago.internal.component;
import org.apache.commons.collections.KeyValue;
import org.apache.myfaces.tobago.component.Attributes;
import org.apache.myfaces.tobago.component.ComponentTypes;
import org.apache.myfaces.tobago.component.DeprecatedDimension;
import org.apache.myfaces.tobago.component.Facets;
import org.apache.myfaces.tobago.component.OnComponentPopulated;
import org.apache.myfaces.tobago.component.RendererTypes;
import org.apache.myfaces.tobago.internal.layout.LayoutUtils;
import org.apache.myfaces.tobago.internal.util.Deprecation;
import org.apache.myfaces.tobago.internal.webapp.TobagoMultipartFormdataRequest;
import org.apache.myfaces.tobago.layout.Box;
import org.apache.myfaces.tobago.layout.LayoutComponent;
import org.apache.myfaces.tobago.layout.LayoutContainer;
import org.apache.myfaces.tobago.layout.LayoutManager;
import org.apache.myfaces.tobago.layout.Measure;
import org.apache.myfaces.tobago.model.PageState;
import org.apache.myfaces.tobago.model.PageStateImpl;
import org.apache.myfaces.tobago.util.ComponentUtils;
import org.apache.myfaces.tobago.util.CreateComponentUtils;
import org.apache.myfaces.tobago.util.DebugUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.el.ELContext;
import javax.el.ValueExpression;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.servlet.ServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
public abstract class AbstractUIPage extends AbstractUIForm
implements OnComponentPopulated, LayoutContainer, DeprecatedDimension {
private static final Logger LOG = LoggerFactory.getLogger(AbstractUIPage.class);
public static final String COMPONENT_TYPE = "org.apache.myfaces.tobago.Page";
public static final String FORM_ACCEPT_CHARSET = "utf-8";
private String formId;
private String actionId;
private Box actionPosition;
private List<KeyValue> postfields;
@Override
public boolean getRendersChildren() {
return true;
}
public String getFormId(FacesContext facesContext) {
if (formId == null) {
formId = getClientId(facesContext) + ComponentUtils.SUB_SEPARATOR + "form";
}
return formId;
}
@Override
public void encodeBegin(FacesContext facesContext) throws IOException {
super.encodeBegin(facesContext);
((AbstractUILayoutBase) getLayoutManager()).encodeBegin(facesContext);
}
@Override
public void encodeChildren(FacesContext facesContext) throws IOException {
((AbstractUILayoutBase) getLayoutManager()).encodeChildren(facesContext);
}
@Override
public void encodeEnd(FacesContext facesContext) throws IOException {
((AbstractUILayoutBase) getLayoutManager()).encodeEnd(facesContext);
super.encodeEnd(facesContext);
}
@Override
public void processDecodes(FacesContext facesContext) {
checkTobagoRequest(facesContext);
decode(facesContext);
markSubmittedForm(facesContext);
// invoke processDecodes() on children
for (Iterator kids = getFacetsAndChildren(); kids.hasNext();) {
UIComponent kid = (UIComponent) kids.next();
kid.processDecodes(facesContext);
}
}
public void markSubmittedForm(FacesContext facesContext) {
// find the form of the action command and set submitted to it and all
// children
// reset old submitted state
setSubmitted(false);
String currentActionId = getActionId();
if (LOG.isDebugEnabled()) {
LOG.debug("actionId = '" + currentActionId + "'");
}
UIComponent command = null;
try { // todo: try bock should be removed, when tested, that the warning usually not occure.
command = findComponent(currentActionId);
} catch (Exception e) {
LOG.warn("Should not happen!!! currentActionId='" + currentActionId + "'");
}
// TODO: remove this if block if proven this never happens anymore
if (command == null
&& currentActionId != null && currentActionId.matches(".*:\\d+:.*")) {
// If currentActionId component was inside a sheet the id contains the
// rowIndex and is therefore not found here.
// We do not need the row here because we want just to find the
// related form, so removing the rowIndex will help here.
currentActionId = currentActionId.replaceAll(":\\d+:", ":");
try {
command = findComponent(currentActionId);
//LOG.info("command = \"" + command + "\"", new Exception());
} catch (Exception e) {
// ignore
}
}
if (LOG.isTraceEnabled()) {
LOG.trace(currentActionId);
LOG.trace("command:{}", command);
LOG.trace(DebugUtils.toString(facesContext.getViewRoot(), 0));
}
if (command != null) {
AbstractUIForm form = ComponentUtils.findForm(command);
form.setSubmitted(true);
if (LOG.isTraceEnabled()) {
LOG.trace("form:{}", form);
LOG.trace(form.getClientId(facesContext));
}
} else {
if (LOG.isDebugEnabled()) {
LOG.debug("Illegal actionId! Rerender the view.");
}
facesContext.renderResponse();
}
}
private void checkTobagoRequest(FacesContext facesContext) {
// multipart/form-data must use TobagoMultipartFormdataRequest
String contentType = (String) facesContext.getExternalContext()
.getRequestHeaderMap().get("content-type");
if (contentType != null && contentType.startsWith("multipart/form-data")) {
Object request = facesContext.getExternalContext().getRequest();
boolean okay = false;
if (request instanceof TobagoMultipartFormdataRequest) {
okay = true;
} else if (request instanceof HttpServletRequestWrapper) {
ServletRequest wrappedRequest
= ((HttpServletRequestWrapper) request).getRequest();
if (wrappedRequest instanceof TobagoMultipartFormdataRequest) {
okay = true;
}
}
// TODO PortletRequest ??
if (!okay) {
LOG.error("Can't process multipart/form-data without TobagoRequest. "
+ "Please check the web.xml and define a TobagoMultipartFormdataFilter. "
+ "See documentation for <tc:file>");
facesContext.addMessage(null, new FacesMessage("An error has occured!"));
}
}
}
public List<KeyValue> getPostfields() {
if (postfields == null) {
postfields = new ArrayList<KeyValue>();
}
return postfields;
}
@Override
public void processUpdates(FacesContext context) {
super.processUpdates(context);
updatePageState(context);
}
/**
*
* @deprecated PageState is deprecated since 1.5.0
*/
@Deprecated
public void updatePageState(FacesContext facesContext) {
}
/**
*
* @deprecated PageState is deprecated since 1.5.0
*/
@Deprecated
public PageState getPageState(FacesContext facesContext) {
final ValueExpression expression = getValueExpression(Attributes.STATE);
if (expression != null) {
final ELContext elContext = facesContext.getELContext();
PageState state = (PageState) expression.getValue(elContext);
if (state == null) {
state = new PageStateImpl();
expression.setValue(elContext, state);
}
return state;
} else {
return null;
}
}
public String getActionId() {
return actionId;
}
public void setActionId(String actionId) {
this.actionId = actionId;
}
public Box getActionPosition() {
return actionPosition;
}
public void setActionPosition(Box actionPosition) {
this.actionPosition = actionPosition;
}
/** @deprecated since 1.5.7 and 2.0.0 */
public String getDefaultActionId() {
Deprecation.LOG.error("The default action handling has been changed!");
return null;
}
/** @deprecated since 1.5.7 and 2.0.0 */
public void setDefaultActionId(String defaultActionId) {
Deprecation.LOG.error("The default action handling has been changed!");
}
public void onComponentPopulated(FacesContext facesContext, UIComponent parent) {
if (getLayoutManager() == null) {
setLayoutManager(CreateComponentUtils.createAndInitLayout(
facesContext, ComponentTypes.GRID_LAYOUT, RendererTypes.GRID_LAYOUT, parent));
}
}
public List<LayoutComponent> getComponents() {
return LayoutUtils.findLayoutChildren(this);
}
public LayoutManager getLayoutManager() {
return (LayoutManager) getFacet(Facets.LAYOUT);
}
public void setLayoutManager(LayoutManager layoutManager) {
getFacets().put(Facets.LAYOUT, (AbstractUILayoutBase) layoutManager);
}
public boolean isLayoutChildren() {
return isRendered();
}
public abstract Measure getWidth();
public abstract Measure getHeight();
}