public void render(FacesContext context) throws FacesException {
if (context.getResponseComplete()) return;
Application app = context.getApplication();
ViewHandler view = app.getViewHandler();
beforePhase(context, PhaseId.RENDER_RESPONSE);
try {
if (log.isLoggable(Level.FINER)) log.finer(context.getViewRoot() + " before render view");
view.renderView(context, context.getViewRoot());
} catch (java.io.IOException e) {
if (sendError(context, "renderView", e)) return;
throw new FacesException(e);
} catch (RuntimeException e) {
if (sendError(context, "renderView", e)) return;
throw e;
} finally {
afterPhase(context, PhaseId.RENDER_RESPONSE);
logMessages(context);
}
}
/** @see javax.faces.context.FacesContext#isPostback() */
@Override
public boolean isPostback() {
assertNotReleased();
Boolean postback = (Boolean) this.getAttributes().get(POST_BACK_MARKER);
if (postback == null) {
RenderKit rk = this.getRenderKit();
if (rk != null) {
postback = rk.getResponseStateManager().isPostback(this);
} else {
// ViewRoot hasn't been set yet, so calculate the RK
ViewHandler vh = this.getApplication().getViewHandler();
String rkId = vh.calculateRenderKitId(this);
postback = RenderKitUtils.getResponseStateManager(this, rkId).isPostback(this);
}
this.getAttributes().put(POST_BACK_MARKER, postback);
}
return postback;
}
private void restoreView(FacesContext context) throws FacesException {
Application app = context.getApplication();
if (app instanceof ApplicationImpl) ((ApplicationImpl) app).initRequest();
ViewHandler view = app.getViewHandler();
view.initView(context);
UIViewRoot viewRoot = context.getViewRoot();
if (viewRoot != null) {
ExternalContext extContext = context.getExternalContext();
viewRoot.setLocale(extContext.getRequestLocale());
doSetBindings(context.getELContext(), viewRoot);
return;
}
String viewId = calculateViewId(context);
String renderKitId = view.calculateRenderKitId(context);
RenderKitFactory renderKitFactory =
(RenderKitFactory) FactoryFinder.getFactory(FactoryFinder.RENDER_KIT_FACTORY);
RenderKit renderKit = renderKitFactory.getRenderKit(context, renderKitId);
ResponseStateManager stateManager = renderKit.getResponseStateManager();
if (stateManager.isPostback(context)) {
viewRoot = view.restoreView(context, viewId);
if (viewRoot != null) {
doSetBindings(context.getELContext(), viewRoot);
} else {
// XXX: backward compat issues with ViewHandler and StateManager
// throw new ViewExpiredException(L.l("{0} is an expired view", viewId));
context.renderResponse();
viewRoot = view.createView(context, viewId);
context.setViewRoot(viewRoot);
}
context.setViewRoot(viewRoot);
} else {
context.renderResponse();
viewRoot = view.createView(context, viewId);
context.setViewRoot(viewRoot);
}
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
final ViewHandler viewHandler;
if (null == convertView) {
int layoutId = R.layout.highway_scale_business_statistics_details_list_layout;
convertView = layoutInflater.inflate(layoutId, null);
viewHandler = new ViewHandler();
viewHandler.m_p_type =
(ImageView) convertView.findViewById(R.id.highway_scale_list_m_p_type_image);
viewHandler.mNumberText =
(TextView)
convertView.findViewById(R.id.highway_scale_statistics_monitor_totalnumber_text);
viewHandler.startDateText =
(TextView) convertView.findViewById(R.id.highway_scale_statistics_start_date_text);
viewHandler.endDateText =
(TextView) convertView.findViewById(R.id.highway_scale_statistics_end_date_text);
viewHandler.vehicleNumText =
(TextView) convertView.findViewById(R.id.highway_scale_statistics_time_text);
viewHandler.weightText =
(TextView) convertView.findViewById(R.id.highway_scale_statistics_weight_text);
convertView.setTag(viewHandler);
} else {
viewHandler = (ViewHandler) convertView.getTag();
}
if (dataList != null) {
HashMap<String, String> urlMap = ScaleTypeChooseControl.getImageUrlMap();
if (urlMap != null && urlMap.size() > 0) {
/*带缓存的图片加载*/
ImageLoader.getInstance()
.displayImage(
urlMap.get(FraemworkConstant.highwayScale + ""),
viewHandler.m_p_type,
ImageCacheConfig.mOptions,
ImageCacheConfig.mAnimateFirstDisplayListener);
}
viewHandler.mNumberText.setText(dataList.get(position).get("mName") + "");
viewHandler.startDateText.setText(resultStartTime);
viewHandler.endDateText.setText(resultEndTime);
viewHandler.vehicleNumText.setText(
NumberStrFormat.fmtMicrometer(dataList.get(position).get("carNumber") + ""));
viewHandler.weightText.setText(
NumberStrFormat.fmtMicrometer(dataList.get(position).get("totalWeight") + ""));
}
return convertView;
}
/**
* Parses the specified reference (from a URI) and returns the appropriate transform.
*
* @param ref the reference of the URI that may specify additional attribute values such as the
* viewBox, preserveAspectRatio or a transform
* @param e the element interested in its view transform
* @param w the width of the effective viewport
* @param h The height of the effective viewport
* @exception BridgeException if an error occured while computing the preserveAspectRatio
* transform
*/
public static AffineTransform getViewTransform(String ref, Element e, float w, float h) {
// no reference has been specified, no extra viewBox is defined
if (ref == null || ref.length() == 0) {
return getPreserveAspectRatioTransform(e, w, h);
}
ViewHandler vh = new ViewHandler();
FragmentIdentifierParser p = new FragmentIdentifierParser();
p.setFragmentIdentifierHandler(vh);
p.parse(ref);
Element attrDefElement = e; // the element that defines the attributes
if (vh.hasId) {
Document document = e.getOwnerDocument();
attrDefElement = document.getElementById(vh.id);
}
if (attrDefElement == null) {
throw new BridgeException(e, ERR_URI_MALFORMED, new Object[] {ref});
}
// if the referenced element is not a view, the attribute
// values to use are those defined on the enclosed svg element
if (!(attrDefElement.getNamespaceURI().equals(SVG_NAMESPACE_URI)
&& attrDefElement.getLocalName().equals(SVG_VIEW_TAG))) {
attrDefElement = getClosestAncestorSVGElement(e);
}
// 'viewBox'
float[] vb;
if (vh.hasViewBox) {
vb = vh.viewBox;
} else {
String viewBoxStr = attrDefElement.getAttributeNS(null, SVG_VIEW_BOX_ATTRIBUTE);
vb = parseViewBoxAttribute(attrDefElement, viewBoxStr);
}
// 'preserveAspectRatio'
short align;
boolean meet;
if (vh.hasPreserveAspectRatio) {
align = vh.align;
meet = vh.meet;
} else {
String aspectRatio = attrDefElement.getAttributeNS(null, SVG_PRESERVE_ASPECT_RATIO_ATTRIBUTE);
PreserveAspectRatioParser pp = new PreserveAspectRatioParser();
ViewHandler ph = new ViewHandler();
pp.setPreserveAspectRatioHandler(ph);
try {
pp.parse(aspectRatio);
} catch (ParseException ex) {
throw new BridgeException(
attrDefElement,
ERR_ATTRIBUTE_VALUE_MALFORMED,
new Object[] {SVG_PRESERVE_ASPECT_RATIO_ATTRIBUTE, aspectRatio, ex});
}
align = ph.align;
meet = ph.meet;
}
// the additional transform that may appear on the URI
AffineTransform transform = getPreserveAspectRatioTransform(vb, align, meet, w, h);
if (vh.hasTransform) {
transform.concatenate(vh.getAffineTransform());
}
return transform;
}
@SuppressWarnings("unchecked")
public Object up(Event evt) {
switch (evt.getType()) {
case Event.MSG:
Message msg = (Message) evt.getArg();
GmsHeader hdr = (GmsHeader) msg.getHeader(this.id);
if (hdr == null) break;
switch (hdr.type) {
case GmsHeader.JOIN_REQ:
view_handler.add(
new Request(Request.JOIN, hdr.mbr, false, null, hdr.useFlushIfPresent));
break;
case GmsHeader.JOIN_REQ_WITH_STATE_TRANSFER:
view_handler.add(
new Request(
Request.JOIN_WITH_STATE_TRANSFER, hdr.mbr, false, null, hdr.useFlushIfPresent));
break;
case GmsHeader.JOIN_RSP:
impl.handleJoinResponse(hdr.join_rsp);
break;
case GmsHeader.LEAVE_REQ:
if (hdr.mbr == null) return null;
view_handler.add(new Request(Request.LEAVE, hdr.mbr, false));
break;
case GmsHeader.LEAVE_RSP:
impl.handleLeaveResponse();
break;
case GmsHeader.VIEW:
View new_view = hdr.view;
if (new_view == null) return null;
Address coord = msg.getSrc();
if (!new_view.containsMember(coord)) {
sendViewAck(
coord); // we need to send the ack first, otherwise the connection is removed
impl.handleViewChange(new_view, hdr.my_digest);
} else {
impl.handleViewChange(new_view, hdr.my_digest);
sendViewAck(coord); // send VIEW_ACK to sender of view
}
break;
case GmsHeader.VIEW_ACK:
Address sender = msg.getSrc();
ack_collector.ack(sender);
return null; // don't pass further up
case GmsHeader.MERGE_REQ:
impl.handleMergeRequest(msg.getSrc(), hdr.merge_id, hdr.mbrs);
break;
case GmsHeader.MERGE_RSP:
MergeData merge_data =
new MergeData(msg.getSrc(), hdr.view, hdr.my_digest, hdr.merge_rejected);
if (log.isTraceEnabled()) {
log.trace(
local_addr
+ ": got merge response from "
+ msg.getSrc()
+ ", merge_id="
+ hdr.merge_id
+ ", merge data is "
+ merge_data);
}
impl.handleMergeResponse(merge_data, hdr.merge_id);
break;
case GmsHeader.INSTALL_MERGE_VIEW:
impl.handleMergeView(
new MergeData(msg.getSrc(), hdr.view, hdr.my_digest), hdr.merge_id);
break;
case GmsHeader.INSTALL_DIGEST:
Digest tmp = hdr.my_digest;
down_prot.down(new Event(Event.MERGE_DIGEST, tmp));
break;
case GmsHeader.INSTALL_MERGE_VIEW_OK:
// [JGRP-700] - FLUSH: flushing should span merge
merge_ack_collector.ack(msg.getSrc());
break;
case GmsHeader.CANCEL_MERGE:
// [JGRP-524] - FLUSH and merge: flush doesn't wrap entire merge process
impl.handleMergeCancelled(hdr.merge_id);
break;
case GmsHeader.GET_DIGEST_REQ:
// only handle this request if it was sent by the coordinator (or at least a member) of
// the current cluster
synchronized (members) {
if (!members.contains(msg.getSrc())) break;
}
// discard my own request:
if (msg.getSrc().equals(local_addr)) return null;
if (hdr.merge_id != null
&& !(merger.matchMergeId(hdr.merge_id) || merger.setMergeId(null, hdr.merge_id)))
return null;
// fetch only my own digest
Digest digest = (Digest) down_prot.down(new Event(Event.GET_DIGEST, local_addr));
if (digest != null) {
GmsHeader rsp_hdr = new GmsHeader(GmsHeader.GET_DIGEST_RSP);
rsp_hdr.my_digest = digest;
Message get_digest_rsp = new Message(msg.getSrc(), null, null);
get_digest_rsp.setFlag(Message.OOB);
get_digest_rsp.putHeader(this.id, rsp_hdr);
down_prot.down(new Event(Event.MSG, get_digest_rsp));
}
break;
case GmsHeader.GET_DIGEST_RSP:
Digest digest_rsp = hdr.my_digest;
impl.handleDigestResponse(msg.getSrc(), digest_rsp);
break;
default:
if (log.isErrorEnabled()) log.error("GmsHeader with type=" + hdr.type + " not known");
}
return null; // don't pass up
case Event.SUSPECT:
Object retval = up_prot.up(evt);
Address suspected = (Address) evt.getArg();
view_handler.add(new Request(Request.SUSPECT, suspected, true));
ack_collector.suspect(suspected);
merge_ack_collector.suspect(suspected);
return retval;
case Event.UNSUSPECT:
impl.unsuspect((Address) evt.getArg());
return null; // discard
case Event.MERGE:
view_handler.add(
new Request(Request.MERGE, null, false, (Map<Address, View>) evt.getArg()));
return null; // don't pass up
case Event.IS_MERGE_IN_PROGRESS:
return merger.isMergeInProgress();
}
return up_prot.up(evt);
}
public void stop() {
view_handler.stop(true);
if (impl != null) impl.stop();
if (prev_members != null) prev_members.clear();
}
@ManagedOperation
public void resumeViewHandler() {
view_handler.resumeForce();
}
@ManagedOperation
public void suspendViewHandler() {
view_handler.suspend();
}
@ManagedOperation
public String dumpViewHandlerHistory() {
return view_handler.dumpHistory();
}
@ManagedOperation
public String dumpViewHandlerQueue() {
return view_handler.dumpQueue();
}
@ManagedAttribute
public boolean isViewHandlerSuspended() {
return view_handler.suspended();
}
@ManagedAttribute
public int getViewHandlerSize() {
return view_handler.size();
}
private boolean sendError(FacesContext context, String lifecycle, Exception e) {
for (Throwable cause = e; cause != null; cause = cause.getCause()) {
if (cause instanceof DisplayableException) {
if (e instanceof RuntimeException) throw (RuntimeException) e;
else throw new FacesException(e);
} else if (cause instanceof ServletException) throw new FacesException(e);
else if (cause instanceof JspException) throw new FacesException(e);
}
ExternalContext extContext = context.getExternalContext();
Object response = extContext.getResponse();
if (!(response instanceof HttpServletResponse)) {
context.renderResponse();
if (e instanceof RuntimeException) throw (RuntimeException) e;
else throw new RuntimeException(e);
}
log.log(Level.WARNING, e.toString(), e);
HttpServletResponse res = (HttpServletResponse) response;
try {
context.renderResponse();
context.responseComplete();
res.setStatus(500, "JSF Exception");
res.setContentType("text/html");
PrintWriter out = res.getWriter();
out.println("<body>");
out.println("<h3>JSF exception detected in " + lifecycle + " phase</h3>");
String msg = e.getMessage();
out.println("<span style='color:red;font:bold'>" + Html.escapeHtml(msg) + "</span><br/>");
out.println("<h3>Context: " + context.getViewRoot() + "</h3>");
out.println("<code><pre>");
String errorId = null;
if (e instanceof FacesException && msg.startsWith("id=")) {
int p = msg.indexOf(' ');
errorId = msg.substring(3, p);
}
printComponentTree(out, errorId, context, context.getViewRoot(), 0);
out.println("</pre></code>");
if (!Alarm.isTest()) {
out.println("<h3>Stack Trace</h3>");
out.println("<pre>");
if (e.getCause() != null) e.getCause().printStackTrace(out);
else e.printStackTrace(out);
out.println("</pre>");
}
out.println("</body>");
// clear, so we don't just loop
Application app = context.getApplication();
ViewHandler view = app.getViewHandler();
UIViewRoot viewRoot = context.getViewRoot();
viewRoot = view.createView(context, viewRoot.getViewId());
context.setViewRoot(viewRoot);
// view.writeState(context); // XXX: no need to output state, but review.
return true;
} catch (IOException e1) {
throw new RuntimeException(e);
}
}