/** @see wicket.request.IRequestCodingStrategy#decode(wicket.Request) */
public final RequestParameters decode(final Request request) {
final RequestParameters parameters = new RequestParameters();
String pathInfo = getRequestPath(request);
if (pathInfo != null && !pathInfo.startsWith("/")) {
pathInfo = "/" + pathInfo;
}
parameters.setPath(pathInfo);
parameters.setPageMapName(request.getParameter(PAGEMAP));
addInterfaceParameters(request, parameters);
addBookmarkablePageParameters(request, parameters);
addResourceParameters(request, parameters);
parameters.setBehaviorId(request.getParameter(BEHAVIOR_ID_PARAMETER_NAME));
Map<String, ? extends Object> map = request.getParameterMap();
Iterator<String> iterator = map.keySet().iterator();
while (iterator.hasNext()) {
String key = iterator.next();
if (key.startsWith(NAME_SPACE)) {
iterator.remove();
}
}
parameters.setParameters(map);
return parameters;
}
/**
* Adds bookmarkable page related parameters (page alias and optionally page parameters). Any
* bookmarkable page alias mount will override this method; hence if a mount is found, this method
* will not be called.
*
* <p>If you override this method to behave different then also {@link #encode(RequestCycle,
* IBookmarkablePageRequestTarget)} should be overridden to by in sync with that behaviour.
*
* @param request the incoming request
* @param parameters the parameters object to set the found values on
*/
protected void addBookmarkablePageParameters(
final Request request, final RequestParameters parameters) {
final String requestString =
request.getParameter(WebRequestCodingStrategy.BOOKMARKABLE_PAGE_PARAMETER_NAME);
if (requestString != null) {
final String[] components = Strings.split(requestString, Component.PATH_SEPARATOR);
if (components.length != 2) {
throw new WicketRuntimeException(
"Invalid bookmarkablePage parameter: "
+ requestString
+ ", expected: 'pageMapName:pageClassName'");
}
// Extract any pagemap name
final String pageMapName = components[0];
parameters.setPageMapName(pageMapName.length() == 0 ? PageMap.DEFAULT_NAME : pageMapName);
// Extract bookmarkable page class name
final String pageClassName = components[1];
parameters.setBookmarkablePageClass(pageClassName);
}
}
/**
* Adds page related parameters (path and pagemap and optionally version and interface).
*
* <p>If you override this method to behave different then also {@link #encode(RequestCycle,
* IListenerInterfaceRequestTarget)} should be overridden to by in sync with that behaviour.
*
* @param request the incoming request
* @param parameters the parameters object to set the found values on
*/
protected void addInterfaceParameters(final Request request, final RequestParameters parameters) {
// Format of interface target parameter is
// <page-map-name>:<path>:<version>:<interface>
final String requestString = request.getParameter(INTERFACE_PARAMETER_NAME);
if (requestString != null) {
// Split into array of strings
String[] pathComponents = Strings.split(requestString, Component.PATH_SEPARATOR);
// There must be at least 4 components
if (pathComponents.length < 4) {
throw new WicketRuntimeException(
"Internal error parsing " + INTERFACE_PARAMETER_NAME + " = " + requestString);
}
// Set pagemap name
final String pageMapName = pathComponents[0];
parameters.setPageMapName(pageMapName.length() == 0 ? PageMap.DEFAULT_NAME : pageMapName);
// Extract interface name after last colon
final String interfaceName = pathComponents[pathComponents.length - 1];
parameters.setInterfaceName(
interfaceName.length() != 0 ? interfaceName : IRedirectListener.INTERFACE.getName());
// Extract version
final String versionNumberString = pathComponents[pathComponents.length - 2];
final int versionNumber =
Strings.isEmpty(versionNumberString) ? 0 : Integer.parseInt(versionNumberString);
parameters.setVersionNumber(versionNumber);
// Component path is everything after pageMapName and before version
final int start = pageMapName.length() + 1;
final int end =
requestString.length() - interfaceName.length() - versionNumberString.length() - 2;
final String componentPath = requestString.substring(start, end);
parameters.setComponentPath(componentPath);
}
}
/**
* Adds (shared) resource related parameters (resource key). Any shared resource key mount will
* override this method; hence if a mount is found, this method will not be called.
*
* <p>If you override this method to behave different then also {@link #encode(RequestCycle,
* ISharedResourceRequestTarget)} should be overridden to by in sync with that behaviour.
*
* @param request the incomming request
* @param parameters the parameters object to set the found values on
*/
protected void addResourceParameters(Request request, RequestParameters parameters) {
String pathInfo = request.getPath();
if (pathInfo != null) {
if (pathInfo.startsWith("/")) {
pathInfo = pathInfo.substring(1);
}
if (pathInfo.startsWith("resources/")) {
int ix = "resources/".length();
if (pathInfo.length() > ix) {
StringBuilder path = new StringBuilder(pathInfo.substring(ix));
int ixSemiColon = path.indexOf(";");
// strip off any jsession id
if (ixSemiColon != -1) {
int ixEnd = path.indexOf("?");
if (ixEnd == -1) {
ixEnd = path.length();
}
path.delete(ixSemiColon, ixEnd);
}
parameters.setResourceKey(path.toString());
}
}
}
}
/**
* Gets the request info path. This is an overridable method in order to provide users with a
* means to implement e.g. a path encryption scheme. This method by default returns {@link
* Request#getPath()}.
*
* @param request the request
* @return the path info object, possibly processed
*/
protected String getRequestPath(Request request) {
return request.getPath();
}
