Here goes the other one I think there might be a problem with, since it deals with PageMaps etc, and I'm not all that familiar with them. I
didn't write much of this code, just changed what I needed to get it to work the way I wanted:
/**
* Url coding strategy for pages that encode number based
* parameters without having the numbers in the url.
*
* The parameters are given on the form /param0-value/param1-value/ etc. and the
* paramnames are "0", "1" etc.
*
*
*/
public class NumberedRequestTargetUrlCodingStrategy extends
AbstractRequestTargetUrlCodingStrategy {
/** bookmarkable page class. */
protected final WeakReference/* <Class> */bookmarkablePageClassRef;
/** page map name. */
private final String pageMapName;
public NumberedRequestTargetUrlCodingStrategy(final String mountPath,
final Class bookmarkablePageClass, String pageMapName) {
super(mountPath);
if (bookmarkablePageClass == null) {
throw new IllegalArgumentException(
"Argument bookmarkablePageClass must be not
null");
}
this.bookmarkablePageClassRef = new
WeakReference(bookmarkablePageClass);
this.pageMapName = pageMapName;
}
/**
* @see
org.apache.wicket.request.target.coding.IRequestTargetUrlCodingStrategy#decode(org.apache.wicket.request.RequestParameters)
*/
public IRequestTarget decode(RequestParameters requestParameters) {
final String parametersFragment = requestParameters.getPath()
.substring(getMountPath().length());
final PageParameters parameters = new
PageParameters(decodeParameters(
parametersFragment,
requestParameters.getParameters()));
String pageMapName = (String) parameters
.remove(WebRequestCodingStrategy.PAGEMAP);
if (requestParameters.getPageMapName() == null) {
requestParameters.setPageMapName(pageMapName);
} else {
pageMapName = requestParameters.getPageMapName();
}
// do some extra work for checking whether this is a normal
request to a
// bookmarkable page, or a request to a stateless page (in
which case a
// wicket:interface parameter should be available
final String interfaceParameter = (String) parameters
.remove(WebRequestCodingStrategy.INTERFACE_PARAMETER_NAME);
if (interfaceParameter != null) {
WebRequestCodingStrategy.addInterfaceParameters(interfaceParameter,
requestParameters);
return new
BookmarkableListenerInterfaceRequestTarget(pageMapName,
(Class) bookmarkablePageClassRef.get(),
parameters,
requestParameters.getComponentPath(),
requestParameters.getInterfaceName(),
1);
} else {
return new BookmarkablePageRequestTarget(pageMapName,
(Class) bookmarkablePageClassRef.get(),
parameters);
}
}
/**
* @see
org.apache.wicket.request.target.coding.IRequestTargetUrlCodingStrategy#encode(org.apache.wicket.IRequestTarget)
*/
public final CharSequence encode(final IRequestTarget requestTarget) {
if (!(requestTarget instanceof IBookmarkablePageRequestTarget))
{
throw new IllegalArgumentException(
"This encoder can only be used with " +
"instances of "
+
IBookmarkablePageRequestTarget.class.getName());
}
final AppendingStringBuffer url = new AppendingStringBuffer(40);
url.append(getMountPath());
final IBookmarkablePageRequestTarget target =
(IBookmarkablePageRequestTarget) requestTarget;
PageParameters pageParameters = target.getPageParameters();
String pagemap = pageMapName != null ? pageMapName : target
.getPageMapName();
if (pagemap != null) {
if (pageParameters == null) {
pageParameters = new PageParameters();
}
pageParameters.put(WebRequestCodingStrategy.PAGEMAP,
pagemap);
}
appendParameters(url, pageParameters);
return url;
}
/**
* @see
org.apache.wicket.request.target.coding.IRequestTargetUrlCodingStrategy#matches(org.apache.wicket.IRequestTarget)
*/
public boolean matches(IRequestTarget requestTarget) {
if (requestTarget instanceof IBookmarkablePageRequestTarget) {
IBookmarkablePageRequestTarget target =
(IBookmarkablePageRequestTarget) requestTarget;
if (((Class)
bookmarkablePageClassRef.get()).equals(target
.getPageClass())) {
if (this.pageMapName == null) {
return true;
} else {
return
this.pageMapName.equals(target.getPageMapName());
}
}
}
return false;
}
/**
* @see java.lang.Object#toString()
*/
public String toString() {
return "NumberedBookmarkablePageEncoder[page=" + (Class)
bookmarkablePageClassRef.get() + "]";
}
protected void appendParameters(AppendingStringBuffer url, Map
parameters) {
if (parameters != null && parameters.size() > 0) {
final Iterator entries;
if (UnitTestSettings.getSortUrlParameters()) {
entries = new
TreeMap(parameters).entrySet().iterator();
} else {
entries = parameters.entrySet().iterator();
}
while (entries.hasNext()) {
Map.Entry entry = (Entry) entries.next();
Object value = entry.getValue();
if (value != null) {
if (value instanceof String[]) {
String[] values = (String[])
value;
for (int i = 0; i <
values.length; i++) {
appendValue(url,
values[i]);
}
} else {
appendValue(url,
value.toString());
}
}
}
}
}
private void appendValue(AppendingStringBuffer url, String value) {
String escapedValue = urlEncode(value);
if (!Strings.isEmpty(escapedValue)) {
url.append("/").append(escapedValue);
}
}
@Override
protected ValueMap decodeParameters(String urlFragment, Map
urlParameters) {
// Hack off any leading slash
if (urlFragment.startsWith("/")) {
urlFragment = urlFragment.substring(1);
}
if (urlFragment.length() == 0) {
return new ValueMap();
}
// Split into pairs
final String[] args = urlFragment.split("/");
// Loop through args
ValueMap parameters = new ValueMap();
for (int i = 0; i < args.length; i++) {
String value = urlDecode(args[i]);
parameters.add(String.valueOf(i), value);
}
if (urlParameters != null) {
parameters.putAll(urlParameters);
}
return parameters;
}
}
Can any of this be dangerous?
-- Edvin
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