/**
* Shorten the length of the property if to long for the data-base. No log message is produced.
* The field must be declared with JPA annotations in the given class (clazz). For getting and
* setting the property the getter and setter method is used.
*
* @param clazz The class where the field is declared.
* @param object
* @param propertyName
* @return true If the property was shortened.
*/
public static boolean shortenProperty(
final Class<?> clazz, final Object object, final String propertyName) {
final Integer length = getPropertyLength(clazz, propertyName);
if (length == null) {
return false;
}
final String value = (String) BeanHelper.getProperty(object, propertyName);
if (value != null && value.length() > length) {
BeanHelper.setProperty(object, propertyName, value.substring(0, length - 1));
return true;
}
return false;
}
public static void putPageParameters(
final ISelectCallerPage callerPage,
final Object dataObject,
final Object filterObject,
final PageParameters pageParameters,
final String[] bookmarkableProperties) {
if (bookmarkableProperties == null) {
return;
}
// final String pre = prefix != null ? prefix + "." : "";
for (final String propertyString : bookmarkableProperties) {
final InitialPageParameterHolder paramHolder = new InitialPageParameterHolder(propertyString);
final Object bean;
if (paramHolder.isFilterParameter() == true) {
bean = filterObject;
} else {
bean = dataObject;
}
try {
final Object value = BeanHelper.getProperty(bean, paramHolder.property);
WicketUtils.putPageParameter(pageParameters, paramHolder.prefix + paramHolder.alias, value);
} catch (final Exception ex) {
log.warn(
"Couldn't put page parameter '"
+ paramHolder.property
+ "' of bean '"
+ bean
+ "'. Ignoring this parameter.");
}
}
}
/**
* 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.");
}
}
}
}