public static void add(Composable source, Composable target, double mnoznik) {
BeanWrapper wrapperSource = new BeanWrapperImpl(source);
BeanWrapper wrapperTarget = new BeanWrapperImpl(target);
for (int i = 0; i < wrapperSource.getPropertyDescriptors().length; ++i) {
String propName = wrapperSource.getPropertyDescriptors()[i].getName();
if (wrapperSource.isReadableProperty(propName)) {
Object propValue = wrapperSource.getPropertyValue(propName);
if (propValue != null) {
if (propValue instanceof Composable) {
if ((Composable) wrapperTarget.getPropertyValue(propName) == null)
System.out.println(propName);
add(
(Composable) propValue,
(Composable) wrapperTarget.getPropertyValue(propName),
mnoznik);
} else if (propValue instanceof Double) {
if (wrapperTarget.getPropertyValue(propName) == null)
wrapperTarget.setPropertyValue(propName, 0.0);
wrapperTarget.setPropertyValue(
propName,
((Double) wrapperTarget.getPropertyValue(propName)) + mnoznik * (Double) propValue);
}
}
}
}
}
public Object get(Object key) {
String objectKey = (String) key;
if (beanWrapper.isReadableProperty(objectKey)) {
return beanWrapper.getPropertyValue(objectKey);
} else {
return thisWrapper.getPropertyValue(objectKey);
}
}
/**
* Get the value of the named property, with support for static properties in both Java and Groovy
* classes (which as of Groovy JSR 1.0 RC 01 only have getters in the metaClass)
*
* @param name
* @param type
* @return The property value or null
*/
public Object getPropertyValue(String name, Class type) {
// Handle standard java beans normal or static properties
BeanWrapper ref = getReference();
Object value = null;
if (ref.isReadableProperty(name)) {
value = ref.getPropertyValue(name);
} else {
// Groovy workaround
Object inst = ref.getWrappedInstance();
if (inst instanceof GroovyObject) {
final Map properties = DefaultGroovyMethods.getProperties(inst);
if (properties.containsKey(name)) {
value = properties.get(name);
}
}
}
if (value != null
&& (type.isAssignableFrom(value.getClass())
|| GrailsClassUtils.isMatchBetweenPrimativeAndWrapperTypes(type, value.getClass()))) {
return value;
} else {
return null;
}
}
/** Return the indexes available for this field (for repeated fields ad List) */
public List<Integer> indexes() {
List<Integer> result = new ArrayList<Integer>();
if (form.value().isDefined()) {
BeanWrapper beanWrapper = new BeanWrapperImpl(form.value().get());
beanWrapper.setAutoGrowNestedPaths(true);
String objectKey = name;
if (form.name() != null && name.startsWith(form.name() + ".")) {
objectKey = name.substring(form.name().length() + 1);
}
if (beanWrapper.isReadableProperty(objectKey)) {
Object value = beanWrapper.getPropertyValue(objectKey);
if (value instanceof Collection) {
for (int i = 0; i < ((Collection) value).size(); i++) {
result.add(i);
}
}
}
} else {
java.util.regex.Pattern pattern =
java.util.regex.Pattern.compile(
"^" + java.util.regex.Pattern.quote(name) + "\\[(\\d+)\\].*$");
for (String key : form.data().keySet()) {
java.util.regex.Matcher matcher = pattern.matcher(key);
if (matcher.matches()) {
result.add(Integer.parseInt(matcher.group(1)));
}
}
}
return result;
}
@Override
public Object getActionParameter(String param) {
if (beanWrapper.isReadableProperty(param)) {
return beanWrapper.getPropertyValue(param);
}
return null;
}
/**
* Converts the entity to a String.
*
* @param facesContext current faces context
* @param component current component
* @param value current value of the entity
* @return value converted to string.
*/
public String getAsString(
final FacesContext facesContext, final UIComponent component, final Object value) {
logger.debug(
String.format(
"getAsString called value=%s, component=%s, value class=%s",
value, component.getClientId(facesContext), value.getClass().getName()));
if (value == null) {
logger.debug("Value was null, can't convert");
return "";
}
if (value instanceof String) {
logger.debug("Value was a string");
return value.toString();
}
BeanWrapper bwValue = new BeanWrapperImpl(value);
try {
String sValue = bwValue.getPropertyValue(idPropertyName).toString();
logger.debug(String.format("string value %s", sValue));
return sValue;
} catch (Exception ex) {
logger.debug("Unable to find value returning -1");
return "-1";
}
}
public static double getMass(Composable source, Composed target) {
double wynik = 0;
BeanWrapper wrapper = new BeanWrapperImpl(source);
for (Substance substance : target) {
String propName =
CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_CAMEL, substance.getSubstanceName());
if (wrapper.isReadableProperty(propName)) {
Object propValue = wrapper.getPropertyValue(propName);
if (propValue != null) {
if (propValue instanceof Composable) {
wynik += Compositions.getMass((Composable) propValue, (Composed) substance);
} else if (propValue instanceof Double) {
wynik += (Double) propValue;
}
}
}
}
return wynik;
}
/** Copy & Paste, 无修正. */
private void writeObjectEntry(
TagWriter tagWriter, String valueProperty, String labelProperty, Object item, int itemIndex)
throws JspException {
BeanWrapper wrapper = PropertyAccessorFactory.forBeanPropertyAccess(item);
Object renderValue;
if (valueProperty != null) {
renderValue = wrapper.getPropertyValue(valueProperty);
} else if (item instanceof Enum) {
renderValue = ((Enum<?>) item).name();
} else {
renderValue = item;
}
Object renderLabel = (labelProperty != null ? wrapper.getPropertyValue(labelProperty) : item);
writeElementTag(tagWriter, item, renderValue, renderLabel, itemIndex);
}
public static void main(String[] args) {
bf = new ClassPathXmlApplicationContext("/Spring-beans.xml");
System.out.println(bf.getBean("empresa"));
BeanWrapper company = new BeanWrapperImpl((Empresa) bf.getBean("empresa"));
company.setPropertyValue("nome", "Target Trust");
// ou pode ser algo assim
PropertyValue value = new PropertyValue("nome", "Some Company Inc.");
company.setPropertyValue(value);
BeanWrapper carlos = new BeanWrapperImpl((Funcionario) bf.getBean("gestor"));
carlos.setPropertyValue("nome", "Carlos Santos");
company.setPropertyValue("gestor", carlos.getWrappedInstance());
Long sal = (Long) company.getPropertyValue("gestor.salario");
System.out.println("Salário: " + sal);
System.out.println(company);
System.out.println(company.getWrappedInstance());
// // verifica o tipo da propriedade salario
// System.out.println(((BeanWrapperImpl)
// company).getPropertyDescriptor("gestor.salarlosrio").getPropertyType());
// carlos.setPropertyValue("salario", 200L);
// System.out.println(carlos.getPropertyValue("salario"));
}
@SuppressWarnings("unchecked")
private void evaluatePluginInfluencePolicy() {
if (pluginBean.isReadableProperty(INFLUENCES)) {
List influencedList = (List) pluginBean.getPropertyValue(INFLUENCES);
if (influencedList != null) {
influencedPluginNames =
(String[]) influencedList.toArray(new String[influencedList.size()]);
}
}
}
private Object getPropertyValue(String entityIdName) {
Object propValue;
try {
propValue = wrap.getPropertyValue(entityIdName);
} catch (NullValueInNestedPathException e) {
if (ignoreNullsNestedPath) propValue = null;
else throw e;
}
return propValue;
}
private boolean filterProperty(String name) {
try {
BeanWrapper bw = new BeanWrapperImpl(getEntityClass().newInstance());
bw.getPropertyValue(name);
} catch (Exception e) {
log.error("Could not resolve property:" + name, e);
return false;
}
return true;
}
/**
* Read a property value using the property path by invoking a spring {@link BeanWrapper}
*
* @param propertyPath
* @param instance
* @return the property value found on the property path applied to the provided instance.
*/
@Override
public Object doReadPropertyValue(String propertyPath, Object instance) {
BeanWrapper beanWrapper = PropertyAccessorFactory.forBeanPropertyAccess(instance);
// check if it's safe to write the property.
if (!beanWrapper.isReadableProperty(propertyPath)) {
return null;
}
return beanWrapper.getPropertyValue(propertyPath);
}
/** Copy & Paste, 无修正. */
private void writeMapEntry(
TagWriter tagWriter,
String valueProperty,
String labelProperty,
Map.Entry entry,
int itemIndex)
throws JspException {
Object mapKey = entry.getKey();
Object mapValue = entry.getValue();
BeanWrapper mapKeyWrapper = PropertyAccessorFactory.forBeanPropertyAccess(mapKey);
BeanWrapper mapValueWrapper = PropertyAccessorFactory.forBeanPropertyAccess(mapValue);
Object renderValue =
(valueProperty != null ? mapKeyWrapper.getPropertyValue(valueProperty) : mapKey.toString());
Object renderLabel =
(labelProperty != null
? mapValueWrapper.getPropertyValue(labelProperty)
: mapValue.toString());
writeElementTag(tagWriter, mapKey, renderValue, renderLabel, itemIndex);
}
/**
* Find all occurrences of targetClass in targetObject. Be careful. This stuff may be recursive !
* Should be improved to prevent endless recursive loops.
*
* @param
* @return
* @param targetObject
* @param targetClass
* @param nestedPath
* @return
* @throws Exception
*/
public static Map<String, ?> findNestedPaths(
Object targetObject,
Class<?> targetClass,
String nestedPath,
List<String> ignoreList,
Set<Object> visited,
int maxDepth)
throws Exception {
Assert.notNull(targetObject);
Assert.notNull(targetClass);
Assert.notNull(ignoreList);
HashMap<String, Object> nestedPaths = new HashMap<String, Object>();
if (maxDepth <= 0) {
return nestedPaths;
}
nestedPath = (nestedPath == null ? "" : nestedPath);
BeanWrapper bw = PropertyAccessorFactory.forBeanPropertyAccess(targetObject);
PropertyDescriptor[] props = bw.getPropertyDescriptors();
for (PropertyDescriptor pd : props) {
Class<?> clazz = pd.getPropertyType();
if (clazz != null
&& !clazz.equals(Class.class)
&& !clazz.isAnnotation()
&& !clazz.isPrimitive()) {
Object value = null;
String pathName = pd.getName();
if (!ignoreList.contains(pathName)) {
try {
value = bw.getPropertyValue(pathName);
} catch (Exception e) {
} // ignore any exceptions here
if (StringUtils.hasText(nestedPath)) {
pathName = nestedPath + PropertyAccessor.NESTED_PROPERTY_SEPARATOR + pathName;
}
// TODO break up this stuff into checking and excecution a la ReflectionUtils
if (targetClass.isAssignableFrom(clazz)) {
nestedPaths.put(pathName, value);
}
// exclude objects already visited from further inspection to prevent circular references
// unfortunately this stuff isn't fool proof as there are ConcurrentModificationExceptions
// when adding objects to the visited list
if (value != null && !isInstanceVisited(visited, value)) {
nestedPaths.putAll(
findNestedPaths(value, targetClass, pathName, ignoreList, visited, maxDepth - 1));
}
}
}
}
return nestedPaths;
}
@Override
public <T> T getActionParameter(String paramKey, Class<T> t) {
if (t == null) {
return null;
}
if (beanWrapper.isReadableProperty(paramKey)) {
Object val = beanWrapper.getPropertyValue(paramKey);
return (T) val;
}
return null;
}
private void copyBoundProperties(User src, User dst) {
BeanWrapper srcW = new BeanWrapperImpl(src);
BeanWrapper dstW = new BeanWrapperImpl(dst);
for (PropertyDescriptor srcProp : srcW.getPropertyDescriptors()) {
if (srcProp.getReadMethod() == null || srcProp.getWriteMethod() == null) {
continue;
}
Object srcValue = srcW.getPropertyValue(srcProp.getName());
if (srcValue != null) {
dstW.setPropertyValue(srcProp.getName(), srcValue);
}
}
}
public boolean isValid(final Object value, final ConstraintValidatorContext context) {
boolean isValid = false;
BeanWrapper beanWrapper = new BeanWrapperImpl(value);
final Object field = beanWrapper.getPropertyValue(constraint.field());
final Object match = beanWrapper.getPropertyValue(constraint.match());
isValid = field == match || field != null && field.equals(match);
if (!isValid) {
context
.buildConstraintViolationWithTemplate(constraint.message())
.addNode(constraint.match())
.addConstraintViolation();
}
return isValid;
}
private Object getPropertyValueForPath(Object target, String[] propertyNames) {
BeanWrapper wrapper = new BeanWrapperImpl(target);
Object obj = target;
for (int i = 0; i < propertyNames.length - 1; i++) {
String propertyName = propertyNames[i];
if (wrapper.isReadableProperty(propertyName)) {
obj = wrapper.getPropertyValue(propertyName);
if (obj == null) break;
wrapper = new BeanWrapperImpl(obj);
}
}
return obj;
}
@Override
public Map<String, Object> getActionParameters() {
Class<?> wrappedClazz = beanWrapper.getWrappedInstance().getClass();
Field[] fields = wrappedClazz.getDeclaredFields();
Map<String, Object> params = new HashMap<String, Object>();
for (Field field : fields) {
String fieldProperty = field.getName();
if (beanWrapper.isReadableProperty(fieldProperty)) {
params.put(fieldProperty, beanWrapper.getPropertyValue(fieldProperty));
}
}
return params;
}
/**
* Looks for a property of the reference instance with a given name and type.
*
* <p>If found its value is returned. We follow the Java bean conventions with augmentation for
* groovy support and static fields/properties. We will therefore match, in this order:
*
* <ol>
* <li>Standard public bean property (with getter or just public field, using normal
* introspection)
* <li>Public static property with getter method
* <li>Public static field
* </ol>
*
* @return property value or null if no property or static field was found
*/
protected Object getPropertyOrStaticPropertyOrFieldValue(String name, Class type) {
BeanWrapper ref = getReference();
Object value = null;
if (ref.isReadableProperty(name)) {
value = ref.getPropertyValue(name);
} else if (GrailsClassUtils.isPublicField(ref.getWrappedInstance(), name)) {
value = GrailsClassUtils.getFieldValue(ref.getWrappedInstance(), name);
} else {
value = GrailsClassUtils.getStaticPropertyValue(clazz, name);
}
if ((value != null) && GrailsClassUtils.isGroovyAssignableFrom(type, value.getClass())) {
return value;
}
return null;
}
@SuppressWarnings("unchecked")
private void bindCollectionAssociation(MutablePropertyValues mpvs, PropertyValue pv) {
Object v = pv.getValue();
Collection collection = (Collection) bean.getPropertyValue(pv.getName());
collection.clear();
final Class associatedType = getReferencedTypeForCollection(pv.getName(), getTarget());
final boolean isArray = v != null && v.getClass().isArray();
final PropertyEditor propertyEditor = findCustomEditor(collection.getClass(), pv.getName());
if (propertyEditor == null) {
if (isDomainAssociation(associatedType)) {
if (isArray) {
Object[] identifiers = (Object[]) v;
for (Object id : identifiers) {
if (id != null) {
associateObjectForId(pv, id, associatedType);
}
}
mpvs.removePropertyValue(pv);
} else if (v != null && (v instanceof String)) {
associateObjectForId(pv, v, associatedType);
mpvs.removePropertyValue(pv);
}
} else if (GrailsDomainConfigurationUtil.isBasicType(associatedType)) {
if (isArray) {
Object[] values = (Object[]) v;
List list = collection instanceof List ? (List) collection : null;
for (int i = 0; i < values.length; i++) {
Object value = values[i];
try {
Object newValue = getTypeConverter().convertIfNecessary(value, associatedType);
if (list != null) {
if (i > list.size() - 1) {
list.add(i, newValue);
} else {
list.set(i, newValue);
}
} else {
collection.add(newValue);
}
} catch (TypeMismatchException e) {
// ignore
}
}
}
}
}
}
private Class<?> getPropertyTypeForPath(String propertyName) {
Class<?> type = bean.getPropertyType(propertyName);
if (type == null) {
// type not available via BeanWrapper - this happens with e.g. empty list indexes - so
// find type by examining GrailsDomainClass
Object target = bean.getWrappedInstance();
String path = propertyName.replaceAll("\\[.+?\\]", "");
if (path.indexOf(PATH_SEPARATOR) > -1) {
// transform x.y.z into value of x.y and path z
target = bean.getPropertyValue(StringUtils.substringBeforeLast(propertyName, "."));
path = StringUtils.substringAfterLast(path, ".");
}
type = getReferencedTypeForCollection(path, target);
}
return type;
}
/**
* Overrides the default behaviour and first checks if a PersistentCollection instance has been
* initialised using the wasInitialised() method before cascading
*
* @param errors The Spring Errors instance
* @param bean The BeanWrapper for the bean
* @param persistentProperty The GrailsDomainClassProperty instance
* @param propertyName The name of the property
* @see org.hibernate.collection.PersistentCollection#wasInitialized()
*/
protected void cascadeValidationToMany(
Errors errors,
BeanWrapper bean,
GrailsDomainClassProperty persistentProperty,
String propertyName) {
Object collection = bean.getPropertyValue(propertyName);
if (collection != null) {
if (collection instanceof PersistentCollection) {
PersistentCollection persistentCollection = (PersistentCollection) collection;
if (persistentCollection.wasInitialized()) {
super.cascadeValidationToMany(errors, bean, persistentProperty, propertyName);
}
} else {
super.cascadeValidationToMany(errors, bean, persistentProperty, propertyName);
}
}
}
public static Object getPropertyOrStaticPropertyOrFieldValue(
BeanWrapper ref, Object obj, String name) {
if (ref.isReadableProperty(name)) {
return ref.getPropertyValue(name);
}
// Look for public fields
if (isPublicField(obj, name)) {
return getFieldValue(obj, name);
}
// Look for statics
Class<?> clazz = obj.getClass();
if (isStaticProperty(clazz, name)) {
return getStaticPropertyValue(clazz, name);
}
return null;
}
public Object getObject() throws BeansException {
BeanWrapper target = this.targetBeanWrapper;
if (target == null) {
// fetch prototype target bean
target = new BeanWrapperImpl(this.beanFactory.getBean(this.targetBeanName));
}
Object value = target.getPropertyValue(this.propertyPath);
if (value == null) {
throw new FatalBeanException(
"PropertyPathFactoryBean is not allowed to return null, "
+ "but property value for path '"
+ this.propertyPath
+ "' is null");
}
return value;
}
/**
* 将对象中的属性值置入到fields中。
*
* <p>对于<code>isValidated()</code>为<code>true</code>的group，该方法无效。
*/
public void mapTo(Object object) {
if (isValidated() || object == null) {
return;
}
if (log.isDebugEnabled()) {
log.debug(
"Mapping properties to fields: group=\"{}\", object={}",
getName(),
ObjectUtil.identityToString(object));
}
BeanWrapper bean = new BeanWrapperImpl(object);
getForm().getFormConfig().getPropertyEditorRegistrar().registerCustomEditors(bean);
for (Field field : getFields()) {
String propertyName = field.getFieldConfig().getPropertyName();
if (bean.isReadableProperty(propertyName)) {
Object propertyValue = bean.getPropertyValue(propertyName);
Class<?> propertyType = bean.getPropertyType(propertyName);
PropertyEditor editor = bean.findCustomEditor(propertyType, propertyName);
if (editor == null) {
editor = BeanUtils.findEditorByConvention(propertyType);
}
if (editor == null) {
if (propertyType.isArray()
|| CollectionFactory.isApproximableCollectionType(propertyType)) {
field.setValues((String[]) bean.convertIfNecessary(propertyValue, String[].class));
} else {
field.setValue(bean.convertIfNecessary(propertyValue, String.class));
}
} else {
editor.setValue(propertyValue);
field.setValue(editor.getAsText());
}
} else {
log.debug(
"No readable property \"{}\" found in type {}",
propertyName,
object.getClass().getName());
}
}
}
/**
* Set a property using the property path invoking a spring framework {@link BeanWrapper}.
*
* @param propertyPath
* @param value
* @param instance
*/
@Override
public void doWritePropertyValue(String propertyPath, Object value, Object instance) {
BeanWrapper beanWrapper = PropertyAccessorFactory.forBeanPropertyAccess(instance);
// check and make up for missing association parts.
StringBuilder builder = new StringBuilder();
String[] subProps = StringUtils.split(propertyPath, '.');
// go through all the parts but one
for (int i = 0; i < subProps.length - 1; i++) {
String prop = subProps[i];
if (i > 0) {
builder.append(".");
}
builder.append(prop);
Object partialValue = beanWrapper.getPropertyValue(builder.toString());
if (partialValue == null) {
// make up for it
Class propCls = beanWrapper.getPropertyType(builder.toString());
Object madeUpValue = BeanClassUtils.createInstance(propCls);
if (madeUpValue != null) {
if (beanWrapper.isWritableProperty(builder.toString())) {
beanWrapper.setPropertyValue(builder.toString(), madeUpValue);
}
}
}
}
if (!beanWrapper.isWritableProperty(propertyPath)) {
logger.info("Cannot write property path " + propertyPath + " of bean", instance);
return;
}
// this can be improved by registering property editors on the bean wrapper
// at moment this approach is not so simple as the current functionality.
// nevertheless on the future this situation may change.
Class expectedType = beanWrapper.getPropertyType(propertyPath);
value = ValueConversionHelper.applyCompatibilityLogic(expectedType, value);
beanWrapper.setPropertyValue(propertyPath, value);
}
/** {@inheritDoc} */
@Override
public Object getValue(String paramName) {
Object value = null;
if (privateFields.contains(paramName)) {
value = beanWrapper.getPropertyValue(paramName);
} else if (publicFeilds.containsKey(paramName)) {
Field field = publicFeilds.get(paramName);
try {
value = field.get(entity);
} catch (IllegalAccessException e) {
throw new IllegalArgumentException(e);
}
}
if (value == null) {
return null;
}
return Jsr310JdbcUtils.convertIfNecessary(value, zoneId);
}
private static void copyInternal(Composable source, Composed target, BeanWrapper parent) {
// copy(source, target);
if (target instanceof Mixture) {
Mixture mixture = (Mixture) target;
String totalPropName =
CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_CAMEL, mixture.getSubstanceName() + "Total");
if (parent.isReadableProperty(totalPropName)
&& parent.getPropertyType(totalPropName) == Double.class) {
Double total = (Double) parent.getPropertyValue(totalPropName);
if (total != null) {
if (mixture.isComplete()) {
double t = mixture.getAmount();
mixture.setRemains(Math.max(total - t, 0.0));
} else {
mixture.setAmount(total);
}
}
}
}
}