List of usage examples for java.beans BeanInfo getPropertyDescriptors
PropertyDescriptor[] getPropertyDescriptors();
From source file:org.jkcsoft.java.util.Beans.java
public static PropertyDescriptor[] getPropertyDescriptors(Class clazz) { PropertyDescriptor[] pds = null; try {//from w ww . ja v a 2 s . c om BeanInfo bi = Introspector.getBeanInfo(clazz); pds = bi.getPropertyDescriptors(); } catch (Exception ex) { log.error(ex); } return pds; }
From source file:com.cloudera.csd.validation.references.components.ReflectionHelper.java
/** * Return the set of getter methods for the class. * * @param clazz the class.//ww w . ja v a 2s .c o m * @return the set of getter methods. */ public static Set<Method> getterMethods(Class<?> clazz) { Preconditions.checkNotNull(clazz); try { ImmutableSet.Builder<Method> builder = ImmutableSet.builder(); BeanInfo info = Introspector.getBeanInfo(clazz); for (PropertyDescriptor p : info.getPropertyDescriptors()) { Method getter = p.getReadMethod(); if (getter != null) { // Don't want to include any of the methods inherited from object. if (!getter.getDeclaringClass().equals(Object.class)) { builder.add(getter); } } } return builder.build(); } catch (IntrospectionException e) { throw new IllegalStateException("Could not introspect on " + clazz, e); } }
From source file:org.eclipse.scada.da.core.VariantBeanHelper.java
/** * Extract the property data as string/variant map * @param source the source object//from ww w .ja va 2 s . c om * @return the map with bean data * @throws IntrospectionException * @throws IllegalArgumentException * @throws IllegalAccessException * @throws InvocationTargetException */ public static Map<String, Variant> extract(final Object source) throws IntrospectionException, IllegalArgumentException, IllegalAccessException, InvocationTargetException { final Map<String, Variant> result = new HashMap<String, Variant>(); final BeanInfo bi = Introspector.getBeanInfo(source.getClass()); for (final PropertyDescriptor pd : bi.getPropertyDescriptors()) { final Method m = pd.getReadMethod(); if (m != null) { result.put(pd.getName(), Variant.valueOf(m.invoke(source))); } } return result; }
From source file:kelly.util.BeanUtils.java
/** * Retrieve the JavaBeans {@code PropertyDescriptor}s of a given class. * @param clazz the Class to retrieve the PropertyDescriptors for * @return an array of {@code PropertyDescriptors} for the given class *//*from w w w . java 2s . c om*/ public static PropertyDescriptor[] getPropertyDescriptors(Class<?> clazz) { Validate.notNull(clazz, "Class must not be null"); try { BeanInfo beanInfo = Introspector.getBeanInfo(clazz); return beanInfo.getPropertyDescriptors(); } catch (IntrospectionException e) { throw new BeanException(e.getMessage(), e); } }
From source file:com.mawujun.utils.bean.BeanUtils.java
private static PropertyDescriptor[] getPropertyDescriptors(Class<?> clazz) throws IntrospectionException { PropertyDescriptor[] pds = beanPropertyCache.get(clazz.getName()); if (pds != null) { //return pds; } else {//from w ww . ja va 2s. c o m BeanInfo beanInfo = Introspector.getBeanInfo(clazz); pds = beanInfo.getPropertyDescriptors(); beanPropertyCache.put(clazz.getName(), pds); } return pds; }
From source file:org.jkcsoft.java.util.Beans.java
public static PropertyDescriptor getPropertyDescriptor(Object bean, String propName) throws IntrospectionException { BeanInfo bi = Introspector.getBeanInfo(bean.getClass()); PropertyDescriptor pds[] = bi.getPropertyDescriptors(); PropertyDescriptor pd = null; for (int i = 0; i < pds.length; i++) { if (propName.equalsIgnoreCase(pds[i].getName())) { pd = pds[i];//from www. j av a2 s . c o m break; } } return pd; }
From source file:org.zht.framework.util.ZBeanUtil.java
@SuppressWarnings({ "unchecked", "rawtypes" })
public static Map convertBeanToMap(Object bean) {
Map returnMap = null;// ww w.ja va2 s.c om
try {
Class<?> type = bean.getClass();
BeanInfo beanInfo = Introspector.getBeanInfo(type);
PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
// MethodAccess access = MethodAccess.get(type.getClass());
returnMap = new HashMap();
for (PropertyDescriptor property : propertyDescriptors) {
String properName = property.getName();
Method getter = property.getReadMethod();
Object value = getter.invoke(bean);
returnMap.put(properName, value);
//
// Object value=access.invoke(bean,"get" + ZStrUtil.toUpCaseFirst(properName));
// if (value != null){
// returnMap.put(properName, value);
// }else{
// returnMap.put(properName, null);
// }
}
} catch (Exception e) {
e.printStackTrace();
return returnMap;
}
return returnMap;
}
From source file:org.jkcsoft.java.util.Beans.java
/** * Doesn't work yet!/*ww w . j a v a 2s. com*/ * * @param bean */ public static void cleanBean(Object bean) { if (bean == null) return; try { BeanInfo bi = Introspector.getBeanInfo(bean.getClass()); PropertyDescriptor pds[] = bi.getPropertyDescriptors(); PropertyDescriptor pd = null; for (int i = 0; i < pds.length; i++) { pd = pds[i]; //Method getter = pd.getReadMethod(); Method setter = pd.getWriteMethod(); if (pd.getPropertyType() == Integer.class) { setter.invoke(bean, new Object[] { new Integer(0) }); } else if (pd.getPropertyType() == Double.class) { setter.invoke(bean, new Object[] { new Double(0) }); } else { try { setter.invoke(bean, new Object[] { null }); } catch (Throwable e) { log.warn("cleanBean()", e); } } } } catch (Throwable e) { log.warn("cleanBean()", e); } }
From source file:com.github.pfmiles.minvelocity.TemplateUtil.java
private static void putAllPojoVals(Object ctxPojo, Context ctx) { ctx.put("ParseUtil", ParseUtil.class); if (ctxPojo == null) return;/* w w w .j av a 2s . c om*/ if (ctxPojo instanceof Map) { for (Map.Entry<?, ?> e : ((Map<?, ?>) ctxPojo).entrySet()) { ctx.put(e.getKey().toString(), e.getValue()); } } else { BeanInfo bi; try { bi = Introspector.getBeanInfo(ctxPojo.getClass()); for (PropertyDescriptor pd : bi.getPropertyDescriptors()) { if ("class".equals(pd.getName())) continue; Method rm = pd.getReadMethod(); if (rm != null) ctx.put(pd.getName(), rm.invoke(ctxPojo)); } } catch (Exception e) { throw new RuntimeException(e); } } }
From source file:ubic.gemma.util.PrettyPrinter.java
/** * The only class that does any real work. Recursively print an object and all its associated objects. * /*from w ww . j a v a 2 s . c om*/ * @throws InvocationTargetException * @throws IllegalAccessException * @throws IllegalArgumentException * @throws IntrospectionException * @param buf * @param gemmaObj * @param level Used to track indents. */ private static void print(StringBuffer buf, Object bean, int level) throws IntrospectionException, IllegalArgumentException, IllegalAccessException, InvocationTargetException { if (bean == null) return; Class<?> gemmaClass = bean.getClass(); if (bean instanceof Collection) { print(buf, (Collection<?>) bean, ++level); return; } if (!gemmaClass.getName().startsWith("ubic.gemma")) return; BeanInfo bif = Introspector.getBeanInfo(gemmaClass); PropertyDescriptor[] props = bif.getPropertyDescriptors(); StringBuffer indent = new StringBuffer(); for (int i = 0; i < level; i++) indent.append(" "); boolean first = true; level++; for (int i = 0; i < props.length; i++) { PropertyDescriptor prop = props[i]; Object o = prop.getReadMethod().invoke(bean, new Object[] {}); if (prop.getDisplayName().equals("class")) continue; // everybody has it. if (prop.getDisplayName().equals("mutable")) continue; // shows up in the enums, just clutter. // generate a 'heading' for this object. if (first) buf.append(indent + bean.getClass().getSimpleName() + " Properties:\n"); first = false; buf.append(indent + " " + bean.getClass().getSimpleName() + "." + prop.getName() + ": " + (o == null ? "---" : o) + "\n"); print(buf, o, level); } }