/**
* If value is null or value is default value then nothing is done. Otherwise the given value is
* added as page parameter under the given key. Dates and TimePeriods are converted and can be
* gotten by {@link #getPageParameter(PageParameters, String, Class)}.
*
* @param pageParameters
* @param key
* @param value
* @see ClassHelper#isDefaultType(Class, Object)
*/
public static void putPageParameter(
final PageParameters pageParameters, final String key, final Object value) {
if (value == null) {
// Do not put null values to page parameters.
} else if (ClassHelper.isDefaultType(value.getClass(), value)) {
// Do not put default values to page parameters.
} else if (value instanceof Date) {
addOrReplaceParameter(pageParameters, key, ((Date) value).getTime());
} else if (value instanceof TimePeriod) {
addOrReplaceParameter(
pageParameters,
key,
((TimePeriod) value).getFromDate().getTime()
+ "-"
+ ((TimePeriod) value).getToDate().getTime());
} else {
addOrReplaceParameter(pageParameters, key, value);
}
}
/**
* At least one parameter should be given for setting the fill the bean with all book-markable
* properties (absent properties will be set to zero). If the given bean is an instance of {@link
* ISelectCallerPage} then the select/unselect methods are used, otherwise the properties will set
* directly of the given bean.
*
* @param bean
* @param parameters
* @param prefix
* @param bookmarkableProperties
*/
public static void evaluatePageParameters(
final ISelectCallerPage callerPage,
final Object dataObject,
final Object filter,
final PageParameters parameters,
final String[] bookmarkableProperties) {
if (bookmarkableProperties == null) {
return;
}
// First check if any parameter is given:
boolean useParameters = false;
for (final String str : bookmarkableProperties) {
final InitialPageParameterHolder paramHolder = new InitialPageParameterHolder(str);
if (hasParameter(parameters, paramHolder.prefix + paramHolder.property) == true
|| hasParameter(parameters, paramHolder.prefix + paramHolder.alias) == true) {
useParameters = true;
break;
}
}
if (useParameters == false) {
// No book-markable parameters found.
return;
}
for (final String str : bookmarkableProperties) {
final InitialPageParameterHolder paramHolder = new InitialPageParameterHolder(str);
String key = null;
if (hasParameter(parameters, paramHolder.prefix + paramHolder.property) == true) {
key = paramHolder.property;
} else if (hasParameter(parameters, paramHolder.prefix + paramHolder.alias) == true) {
key = paramHolder.alias;
}
if (paramHolder.isCallerPageParameter() == true) {
if (callerPage == null) {
log.warn("PageParameter '" + str + "' ignored, ISelectCallerPage isn't given.");
} else if (key == null) {
callerPage.unselect(paramHolder.property);
} else {
callerPage.select(
paramHolder.property, parameters.get(paramHolder.prefix + key).toString());
}
} else {
try {
final Object bean;
if (paramHolder.isFilterParameter() == true) {
// Use filter object
bean = filter;
if (bean == null) {
log.warn("PageParameter '" + str + "' ignored, filter isn't given.");
continue;
}
} else {
bean = dataObject;
if (bean == null) {
log.warn("PageParameter '" + str + "' ignored, dataObject isn't given.");
continue;
}
}
final Method method = BeanHelper.determineGetter(bean.getClass(), paramHolder.property);
if (key == null) {
BeanHelper.setProperty(
bean, paramHolder.property, ClassHelper.getDefaultType(method.getReturnType()));
} else {
final Object value =
WicketUtils.getPageParameter(
parameters, paramHolder.prefix + key, method.getReturnType());
BeanHelper.setProperty(bean, paramHolder.property, value);
}
} catch (final Exception ex) {
log.warn("Property '" + key + "' not found. Ignoring URL parameter.");
}
}
}
}