List of usage examples for org.apache.commons.beanutils PropertyUtils INDEXED_DELIM
char INDEXED_DELIM
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From source file:nl.strohalm.cyclos.utils.binding.CustomBeanUtilsBean.java
@Override public void setProperty(final Object bean, String name, final Object value) throws IllegalAccessException, InvocationTargetException { // Resolve any nested expression to get the actual target bean Object target = bean;//from w w w.ja va 2s . c o m final int delim = findLastNestedIndex(name); if (delim >= 0) { try { target = getPropertyUtils().getProperty(bean, name.substring(0, delim)); } catch (final NoSuchMethodException e) { return; // Skip this property setter } name = name.substring(delim + 1); } // Declare local variables we will require String propName = null; // Simple name of target property Class<?> type = null; // Java type of target property int index = -1; // Indexed subscript value (if any) String key = null; // Mapped key value (if any) // Calculate the property name, index, and key values propName = name; final int i = propName.indexOf(PropertyUtils.INDEXED_DELIM); if (i >= 0) { final int k = propName.indexOf(PropertyUtils.INDEXED_DELIM2); try { index = Integer.parseInt(propName.substring(i + 1, k)); } catch (final NumberFormatException e) { // Ignore } propName = propName.substring(0, i); } final int j = propName.indexOf(PropertyUtils.MAPPED_DELIM); if (j >= 0) { final int k = propName.indexOf(PropertyUtils.MAPPED_DELIM2); try { key = propName.substring(j + 1, k); } catch (final IndexOutOfBoundsException e) { // Ignore } propName = propName.substring(0, j); } // Calculate the property type if (target instanceof DynaBean) { final DynaClass dynaClass = ((DynaBean) target).getDynaClass(); final DynaProperty dynaProperty = dynaClass.getDynaProperty(propName); if (dynaProperty == null) { return; // Skip this property setter } type = dynaProperty.getType(); if (type.isArray() || Collection.class.isAssignableFrom(type)) { type = Object[].class; } } else { PropertyDescriptor descriptor = null; try { descriptor = getPropertyUtils().getPropertyDescriptor(target, name); if (descriptor == null) { return; // Skip this property setter } } catch (final NoSuchMethodException e) { return; // Skip this property setter } if (descriptor instanceof MappedPropertyDescriptor) { if (((MappedPropertyDescriptor) descriptor).getMappedWriteMethod() == null) { return; // Read-only, skip this property setter } type = ((MappedPropertyDescriptor) descriptor).getMappedPropertyType(); /** * Overriden behaviour ------------------- When a type is Object on a mapped property, retrieve the value to check if it's an array */ if (Object.class.equals(type)) { try { final Object retrieved = getPropertyUtils().getMappedProperty(target, propName, key); if (retrieved != null) { final Class<?> retrievedType = retrieved.getClass(); if (retrievedType.isArray() || Collection.class.isAssignableFrom(retrievedType)) { type = Object[].class; } } } catch (final NoSuchMethodException e) { throw new PropertyException(target, propName + "(" + key + ")"); } } } else if (descriptor instanceof IndexedPropertyDescriptor) { if (((IndexedPropertyDescriptor) descriptor).getIndexedWriteMethod() == null) { return; // Read-only, skip this property setter } type = ((IndexedPropertyDescriptor) descriptor).getIndexedPropertyType(); } else { if (descriptor.getWriteMethod() == null) { return; // Read-only, skip this property setter } type = descriptor.getPropertyType(); } } /** * Overriden behaviour ------------------- When a type is Map on a mapped property, retrieve the value to check if it's an array */ if (Map.class.isAssignableFrom(type) && StringUtils.isNotEmpty(key)) { try { final Map<?, ?> map = (Map<?, ?>) getPropertyUtils().getProperty(target, propName); final Object retrieved = map.get(key); if (retrieved != null) { final Class<?> retrievedType = retrieved.getClass(); if (retrievedType.isArray() || Collection.class.isAssignableFrom(retrievedType)) { type = Object[].class; } } } catch (final NoSuchMethodException e) { throw new PropertyException(target, propName + "(" + key + ")"); } } // Convert the specified value to the required type Object newValue = null; if (type.isArray() && (index < 0)) { // Scalar value into array if (value == null) { final String values[] = new String[1]; values[0] = (String) value; newValue = getConvertUtils().convert(values, type); } else if (value instanceof String) { final String values[] = new String[1]; values[0] = (String) value; newValue = getConvertUtils().convert(values, type); } else if (value instanceof String[]) { newValue = getConvertUtils().convert((String[]) value, type); } else { newValue = value; } } else if (type.isArray()) { // Indexed value into array if (value instanceof String) { newValue = getConvertUtils().convert((String) value, type.getComponentType()); } else if (value instanceof String[]) { newValue = getConvertUtils().convert(((String[]) value)[0], type.getComponentType()); } else { newValue = value; } } else { // Value into scalar if ((value instanceof String) || (value == null)) { newValue = getConvertUtils().convert((String) value, type); } else if (value instanceof String[]) { newValue = getConvertUtils().convert(((String[]) value)[0], type); } else if (getConvertUtils().lookup(value.getClass()) != null) { newValue = getConvertUtils().convert(value.toString(), type); } else { newValue = value; } } // Invoke the setter method try { if (index >= 0) { getPropertyUtils().setIndexedProperty(target, propName, index, newValue); } else if (key != null) { getPropertyUtils().setMappedProperty(target, propName, key, newValue); } else { getPropertyUtils().setProperty(target, propName, newValue); } } catch (final NoSuchMethodException e) { throw new InvocationTargetException(e, "Cannot set " + propName); } }
From source file:nl.strohalm.cyclos.utils.binding.CustomBeanUtilsBean.java
private int findLastNestedIndex(final String expression) { // walk back from the end to the start // and find the first index that int bracketCount = 0; for (int i = expression.length() - 1; i >= 0; i--) { final char at = expression.charAt(i); switch (at) { case PropertyUtils.NESTED_DELIM: if (bracketCount < 1) { return i; }//from www . j av a2 s. c om break; case PropertyUtils.MAPPED_DELIM: case PropertyUtils.INDEXED_DELIM: // not bothered which --bracketCount; break; case PropertyUtils.MAPPED_DELIM2: case PropertyUtils.INDEXED_DELIM2: // not bothered which ++bracketCount; break; } } // can't find any return -1; }
From source file:org.displaytag.util.LookupUtil.java
/** * <p>/*from ww w.j ava 2s .c o m*/ * Returns the value of a property in the given bean. * </p> * <p> * This method is a modificated version from commons-beanutils PropertyUtils.getProperty(). It allows intermediate * nulls in expression without throwing exception (es. it doesn't throw an exception for the property * <code>object.date.time</code> if <code>date</code> is null) * </p> * @param bean javabean * @param name name of the property to read from the javabean * @return Object * @throws ObjectLookupException for errors while retrieving a property in the bean */ public static Object getBeanProperty(Object bean, String name) throws ObjectLookupException { if (log.isDebugEnabled()) { log.debug("getProperty [" + name + "] on bean " + bean); } if (bean == null) { throw new IllegalArgumentException("No bean specified"); } if (name == null) { throw new IllegalArgumentException("No name specified"); } Object evalBean = bean; String evalName = name; try { int indexOfINDEXEDDELIM; int indexOfMAPPEDDELIM; int indexOfMAPPEDDELIM2; int indexOfNESTEDDELIM; while (true) { indexOfNESTEDDELIM = evalName.indexOf(PropertyUtils.NESTED_DELIM); indexOfMAPPEDDELIM = evalName.indexOf(PropertyUtils.MAPPED_DELIM); indexOfMAPPEDDELIM2 = evalName.indexOf(PropertyUtils.MAPPED_DELIM2); if (indexOfMAPPEDDELIM2 >= 0 && indexOfMAPPEDDELIM >= 0 && (indexOfNESTEDDELIM < 0 || indexOfNESTEDDELIM > indexOfMAPPEDDELIM)) { indexOfNESTEDDELIM = evalName.indexOf(PropertyUtils.NESTED_DELIM, indexOfMAPPEDDELIM2); } else { indexOfNESTEDDELIM = evalName.indexOf(PropertyUtils.NESTED_DELIM); } if (indexOfNESTEDDELIM < 0) { break; } String next = evalName.substring(0, indexOfNESTEDDELIM); indexOfINDEXEDDELIM = next.indexOf(PropertyUtils.INDEXED_DELIM); indexOfMAPPEDDELIM = next.indexOf(PropertyUtils.MAPPED_DELIM); if (evalBean instanceof Map) { evalBean = ((Map) evalBean).get(next); } else if (indexOfMAPPEDDELIM >= 0) { evalBean = PropertyUtils.getMappedProperty(evalBean, next); } else if (indexOfINDEXEDDELIM >= 0) { evalBean = PropertyUtils.getIndexedProperty(evalBean, next); } else { evalBean = PropertyUtils.getSimpleProperty(evalBean, next); } if (evalBean == null) { log.debug("Null property value for '" + evalName.substring(0, indexOfNESTEDDELIM) + "'"); return null; } evalName = evalName.substring(indexOfNESTEDDELIM + 1); } indexOfINDEXEDDELIM = evalName.indexOf(PropertyUtils.INDEXED_DELIM); indexOfMAPPEDDELIM = evalName.indexOf(PropertyUtils.MAPPED_DELIM); if (evalBean instanceof Map) { evalBean = ((Map) evalBean).get(evalName); } else if (indexOfMAPPEDDELIM >= 0) { evalBean = PropertyUtils.getMappedProperty(evalBean, evalName); } else if (indexOfINDEXEDDELIM >= 0) { evalBean = PropertyUtils.getIndexedProperty(evalBean, evalName); } else { evalBean = PropertyUtils.getSimpleProperty(evalBean, evalName); } } catch (IllegalAccessException e) { throw new ObjectLookupException(LookupUtil.class, evalBean, evalName, e); } catch (InvocationTargetException e) { throw new ObjectLookupException(LookupUtil.class, evalBean, evalName, e); } catch (NoSuchMethodException e) { throw new ObjectLookupException(LookupUtil.class, evalBean, evalName, e); } return evalBean; }
From source file:org.gameye.psp.image.utils.TBeanUtilsBean.java
public void copyProperty(Object bean, String name, Object value) throws IllegalAccessException, InvocationTargetException { // Trace logging (if enabled) if (log.isTraceEnabled()) { StringBuffer sb = new StringBuffer(" copyProperty("); sb.append(bean);//from w w w . jav a 2s . c o m sb.append(", "); sb.append(name); sb.append(", "); if (value == null) { sb.append("<NULL>"); } else if (value instanceof String) { sb.append((String) value); } else if (value instanceof String[]) { String values[] = (String[]) value; sb.append('['); for (int i = 0; i < values.length; i++) { if (i > 0) { sb.append(','); } sb.append(values[i]); } sb.append(']'); } else { sb.append(value.toString()); } sb.append(')'); log.trace(sb.toString()); } // Resolve any nested expression to get the actual target bean Object target = bean; int delim = name.lastIndexOf(PropertyUtils.NESTED_DELIM); if (delim >= 0) { try { target = getPropertyUtils().getProperty(bean, name.substring(0, delim)); } catch (NoSuchMethodException e) { return; // Skip this property setter } name = name.substring(delim + 1); if (log.isTraceEnabled()) { log.trace(" Target bean = " + target); log.trace(" Target name = " + name); } } // Declare local variables we will require String propName = null; // Simple name of target property Class type = null; // Java type of target property int index = -1; // Indexed subscript value (if any) String key = null; // Mapped key value (if any) // Calculate the target property name, index, and key values propName = name; int i = propName.indexOf(PropertyUtils.INDEXED_DELIM); if (i >= 0) { int k = propName.indexOf(PropertyUtils.INDEXED_DELIM2); try { index = Integer.parseInt(propName.substring(i + 1, k)); } catch (NumberFormatException e) { ; } propName = propName.substring(0, i); } int j = propName.indexOf(PropertyUtils.MAPPED_DELIM); if (j >= 0) { int k = propName.indexOf(PropertyUtils.MAPPED_DELIM2); try { key = propName.substring(j + 1, k); } catch (IndexOutOfBoundsException e) { ; } propName = propName.substring(0, j); } // Calculate the target property type if (target instanceof DynaBean) { DynaClass dynaClass = ((DynaBean) target).getDynaClass(); DynaProperty dynaProperty = dynaClass.getDynaProperty(propName); if (dynaProperty == null) { return; // Skip this property setter } type = dynaProperty.getType(); } else { PropertyDescriptor descriptor = null; try { descriptor = getPropertyUtils().getPropertyDescriptor(target, name); if (descriptor == null) { return; // Skip this property setter } } catch (NoSuchMethodException e) { return; // Skip this property setter } type = descriptor.getPropertyType(); if (type == null) { // Most likely an indexed setter on a POJB only if (log.isTraceEnabled()) { log.trace(" target type for property '" + propName + "' is null, so skipping ths setter"); } return; } } if (log.isTraceEnabled()) { log.trace(" target propName=" + propName + ", type=" + type + ", index=" + index + ", key=" + key); } // Convert the specified value to the required type and store it if (index >= 0) { // Destination must be indexed Converter converter = getConvertUtils().lookup(type.getComponentType()); if (converter != null) { log.trace(" USING CONVERTER " + converter); value = converter.convert(type, value); } try { getPropertyUtils().setIndexedProperty(target, propName, index, value); } catch (NoSuchMethodException e) { throw new InvocationTargetException(e, "Cannot set " + propName); } } else if (key != null) { // Destination must be mapped // Maps do not know what the preferred data type is, // so perform no conversions at all // FIXME - should we create or support a TypedMap? try { getPropertyUtils().setMappedProperty(target, propName, key, value); } catch (NoSuchMethodException e) { throw new InvocationTargetException(e, "Cannot set " + propName); } } else { // Destination must be simple Converter converter = getConvertUtils().lookup(type); if (converter != null) { log.trace(" USING CONVERTER " + converter); value = converter.convert(type, value); } try { getPropertyUtils().setSimpleProperty(target, propName, value); } catch (NoSuchMethodException e) { throw new InvocationTargetException(e, "Cannot set " + propName); } } }
From source file:org.gameye.psp.image.utils.TBeanUtilsBean.java
/** * <p>Set the specified property value, performing type conversions as * required to conform to the type of the destination property.</p> * * <p>If the property is read only then the method returns * without throwing an exception.</p> * * <p>If <code>null</code> is passed into a property expecting a primitive value, * then this will be converted as if it were a <code>null</code> string.</p> * * <p><strong>WARNING</strong> - The logic of this method is customized * to meet the needs of <code>populate()</code>, and is probably not what * you want for general property copying with type conversion. For that * purpose, check out the <code>copyProperty()</code> method instead.</p> * * <p><strong>WARNING</strong> - PLEASE do not modify the behavior of this * method without consulting with the Struts developer community. There * are some subtleties to its functionality that are not documented in the * Javadoc description above, yet are vital to the way that Struts utilizes * this method.</p>/* www . j a v a 2 s . c o m*/ * * @param bean Bean on which setting is to be performed * @param name Property name (can be nested/indexed/mapped/combo) * @param value Value to be set * * @exception IllegalAccessException if the caller does not have * access to the property accessor method * @exception InvocationTargetException if the property accessor method * throws an exception */ public void setProperty(Object bean, String name, Object value) throws IllegalAccessException, InvocationTargetException { // Trace logging (if enabled) if (log.isTraceEnabled()) { StringBuffer sb = new StringBuffer(" setProperty("); sb.append(bean); sb.append(", "); sb.append(name); sb.append(", "); if (value == null) { sb.append("<NULL>"); } else if (value instanceof String) { sb.append((String) value); } else if (value instanceof String[]) { String values[] = (String[]) value; sb.append('['); for (int i = 0; i < values.length; i++) { if (i > 0) { sb.append(','); } sb.append(values[i]); } sb.append(']'); } else { sb.append(value.toString()); } sb.append(')'); log.trace(sb.toString()); } // Resolve any nested expression to get the actual target bean Object target = bean; int delim = findLastNestedIndex(name); if (delim >= 0) { try { target = getPropertyUtils().getProperty(bean, name.substring(0, delim)); } catch (NoSuchMethodException e) { return; // Skip this property setter } name = name.substring(delim + 1); if (log.isTraceEnabled()) { log.trace(" Target bean = " + target); log.trace(" Target name = " + name); } } // Declare local variables we will require String propName = null; // Simple name of target property Class type = null; // Java type of target property int index = -1; // Indexed subscript value (if any) String key = null; // Mapped key value (if any) // Calculate the property name, index, and key values propName = name; int i = propName.indexOf(PropertyUtils.INDEXED_DELIM); if (i >= 0) { int k = propName.indexOf(PropertyUtils.INDEXED_DELIM2); try { index = Integer.parseInt(propName.substring(i + 1, k)); } catch (NumberFormatException e) { ; } propName = propName.substring(0, i); } int j = propName.indexOf(PropertyUtils.MAPPED_DELIM); if (j >= 0) { int k = propName.indexOf(PropertyUtils.MAPPED_DELIM2); try { key = propName.substring(j + 1, k); } catch (IndexOutOfBoundsException e) { ; } propName = propName.substring(0, j); } // Calculate the property type if (target instanceof DynaBean) { DynaClass dynaClass = ((DynaBean) target).getDynaClass(); DynaProperty dynaProperty = dynaClass.getDynaProperty(propName); if (dynaProperty == null) { return; // Skip this property setter } type = dynaProperty.getType(); } else { PropertyDescriptor descriptor = null; try { descriptor = getPropertyUtils().getPropertyDescriptor(target, name); if (descriptor == null) { return; // Skip this property setter } } catch (NoSuchMethodException e) { return; // Skip this property setter } if (descriptor instanceof MappedPropertyDescriptor) { if (((MappedPropertyDescriptor) descriptor).getMappedWriteMethod() == null) { if (log.isDebugEnabled()) { log.debug("Skipping read-only property"); } return; // Read-only, skip this property setter } type = ((MappedPropertyDescriptor) descriptor).getMappedPropertyType(); } else if (descriptor instanceof IndexedPropertyDescriptor) { if (((IndexedPropertyDescriptor) descriptor).getIndexedWriteMethod() == null) { if (log.isDebugEnabled()) { log.debug("Skipping read-only property"); } return; // Read-only, skip this property setter } type = ((IndexedPropertyDescriptor) descriptor).getIndexedPropertyType(); } else { if (descriptor.getWriteMethod() == null) { if (log.isDebugEnabled()) { log.debug("Skipping read-only property"); } return; // Read-only, skip this property setter } type = descriptor.getPropertyType(); } } // Convert the specified value to the required type Object newValue = null; if (type.isArray() && (index < 0)) { // Scalar value into array if (value == null) { String values[] = new String[1]; values[0] = (String) value; newValue = getConvertUtils().convert((String[]) values, type); } else if (value instanceof String) { String values[] = new String[1]; values[0] = (String) value; newValue = getConvertUtils().convert((String[]) values, type); } else if (value instanceof String[]) { newValue = getConvertUtils().convert((String[]) value, type); } else { newValue = value; } } else if (type.isArray()) { // Indexed value into array if (value instanceof String) { newValue = getConvertUtils().convert((String) value, type.getComponentType()); } else if (value instanceof String[]) { newValue = getConvertUtils().convert(((String[]) value)[0], type.getComponentType()); } else { newValue = value; } } else { // Value into scalar if ((value instanceof String) || (value == null)) { newValue = getConvertUtils().convert((String) value, type); } else if (value instanceof String[]) { newValue = getConvertUtils().convert(((String[]) value)[0], type); } else if (getConvertUtils().lookup(value.getClass()) != null) { newValue = getConvertUtils().convert(value.toString(), type); } else { newValue = value; } } // Invoke the setter method try { if (index >= 0) { getPropertyUtils().setIndexedProperty(target, propName, index, newValue); } else if (key != null) { getPropertyUtils().setMappedProperty(target, propName, key, newValue); } else { getPropertyUtils().setProperty(target, propName, newValue); } } catch (NoSuchMethodException e) { throw new InvocationTargetException(e, "Cannot set " + propName); } }
From source file:org.gameye.psp.image.utils.TBeanUtilsBean.java
private int findLastNestedIndex(String expression) { // walk back from the end to the start // and find the first index that int bracketCount = 0; for (int i = expression.length() - 1; i >= 0; i--) { char at = expression.charAt(i); switch (at) { case PropertyUtils.NESTED_DELIM: if (bracketCount < 1) { return i; }/*from www . j a v a2 s. co m*/ break; case PropertyUtils.MAPPED_DELIM: case PropertyUtils.INDEXED_DELIM: // not bothered which --bracketCount; break; case PropertyUtils.MAPPED_DELIM2: case PropertyUtils.INDEXED_DELIM2: // not bothered which ++bracketCount; break; } } // can't find any return -1; }
From source file:org.kuali.rice.kns.web.struts.form.pojo.PojoPropertyUtilsBean.java
/** * begin Kuali Foundation modification/*from ww w .j a v a 2s . c o m*/ * Set the value of the (possibly nested) property of the specified name, for the specified bean, with no type conversions. * * @param bean Bean whose property is to be modified * @param name Possibly nested name of the property to be modified * @param value Value to which the property is to be set * * @exception IllegalAccessException if the caller does not have access to the property accessor method * @exception IllegalArgumentException if <code>bean</code> or <code>name</code> is null * @exception IllegalArgumentException if a nested reference to a property returns null * @exception InvocationTargetException if the property accessor method throws an exception * @exception NoSuchMethodException if an accessor method for this propety cannot be found * end Kuali Foundation modification */ public void setNestedProperty(Object bean, String name, Object value) throws IllegalAccessException, InvocationTargetException, NoSuchMethodException { if (bean == null) { if (LOG.isDebugEnabled()) LOG.debug("No bean specified, name = " + name + ", value = " + value); return; } if (name == null) { throw new IllegalArgumentException("No name specified"); } Object propBean = null; int indexOfINDEXED_DELIM = -1; int indexOfMAPPED_DELIM = -1; while (true) { int delim = name.indexOf(PropertyUtils.NESTED_DELIM); if (delim < 0) { break; } String next = name.substring(0, delim); indexOfINDEXED_DELIM = next.indexOf(PropertyUtils.INDEXED_DELIM); indexOfMAPPED_DELIM = next.indexOf(PropertyUtils.MAPPED_DELIM); if (bean instanceof Map) { propBean = ((Map) bean).get(next); } else if (indexOfMAPPED_DELIM >= 0) { propBean = getMappedProperty(bean, next); } else if (indexOfINDEXED_DELIM >= 0) { propBean = getIndexedProperty(bean, next); } else { propBean = getSimpleProperty(bean, next); } if (ObjectUtils.isNull(propBean)) { Class propertyType = getPropertyType(bean, next); if (propertyType != null) { Object newInstance = ObjectUtils.createNewObjectFromClass(propertyType); setSimpleProperty(bean, next, newInstance); propBean = getSimpleProperty(bean, next); } } bean = propBean; name = name.substring(delim + 1); } indexOfINDEXED_DELIM = name.indexOf(PropertyUtils.INDEXED_DELIM); indexOfMAPPED_DELIM = name.indexOf(PropertyUtils.MAPPED_DELIM); if (bean instanceof Map) { // check to see if the class has a standard property PropertyDescriptor descriptor = getPropertyDescriptor(bean, name); if (descriptor == null) { // no - then put the value into the map ((Map) bean).put(name, value); } else { // yes - use that instead setSimpleProperty(bean, name, value); } } else if (indexOfMAPPED_DELIM >= 0) { setMappedProperty(bean, name, value); } else if (indexOfINDEXED_DELIM >= 0) { setIndexedProperty(bean, name, value); } else { setSimpleProperty(bean, name, value); } }
From source file:org.kuali.rice.kns.web.struts.form.pojo.PojoPropertyUtilsBean.java
/** * <p>/*from ww w. j a v a 2s . c om*/ * Retrieve the property descriptor for the specified property of the specified bean, or return <code>null</code> if there is * no such descriptor. This method resolves indexed and nested property references in the same manner as other methods in this * class, except that if the last (or only) name element is indexed, the descriptor for the last resolved property itself is * returned. * </p> * * <p> * <strong>FIXME </strong>- Does not work with DynaBeans. * </p> * * @param bean Bean for which a property descriptor is requested * @param name Possibly indexed and/or nested name of the property for which a property descriptor is requested * * @exception IllegalAccessException if the caller does not have access to the property accessor method * @exception IllegalArgumentException if <code>bean</code> or <code>name</code> is null * @exception IllegalArgumentException if a nested reference to a property returns null * @exception InvocationTargetException if the property accessor method throws an exception * @exception NoSuchMethodException if an accessor method for this propety cannot be found */ public PropertyDescriptor getPropertyDescriptor(Object bean, String name) throws IllegalAccessException, InvocationTargetException, NoSuchMethodException { if (bean == null) { if (LOG.isDebugEnabled()) LOG.debug("No bean specified, name = " + name); return null; } if (name == null) { throw new IllegalArgumentException("No name specified"); } try { // Resolve nested references Object propBean = null; while (true) { int delim = findNextNestedIndex(name); //int delim = name.indexOf(PropertyUtils.NESTED_DELIM); if (delim < 0) { break; } String next = name.substring(0, delim); int indexOfINDEXED_DELIM = next.indexOf(PropertyUtils.INDEXED_DELIM); int indexOfMAPPED_DELIM = next.indexOf(PropertyUtils.MAPPED_DELIM); if (indexOfMAPPED_DELIM >= 0 && (indexOfINDEXED_DELIM < 0 || indexOfMAPPED_DELIM < indexOfINDEXED_DELIM)) { propBean = getMappedProperty(bean, next); } else { if (indexOfINDEXED_DELIM >= 0) { propBean = getIndexedProperty(bean, next); } else { propBean = getSimpleProperty(bean, next); } } if (ObjectUtils.isNull(propBean)) { Class propertyType = getPropertyType(bean, next); if (propertyType != null) { Object newInstance = ObjectUtils.createNewObjectFromClass(propertyType); setSimpleProperty(bean, next, newInstance); propBean = getSimpleProperty(bean, next); } } bean = propBean; name = name.substring(delim + 1); } // Remove any subscript from the final name value int left = name.indexOf(PropertyUtils.INDEXED_DELIM); if (left >= 0) { name = name.substring(0, left); } left = name.indexOf(PropertyUtils.MAPPED_DELIM); if (left >= 0) { name = name.substring(0, left); } // Look up and return this property from our cache // creating and adding it to the cache if not found. if ((bean == null) || (name == null)) { return (null); } PropertyDescriptor descriptors[] = getPropertyDescriptors(bean); if (descriptors != null) { for (int i = 0; i < descriptors.length; i++) { if (name.equals(descriptors[i].getName())) return (descriptors[i]); } } PropertyDescriptor result = null; FastHashMap mappedDescriptors = getMappedPropertyDescriptors(bean); if (mappedDescriptors == null) { mappedDescriptors = new FastHashMap(); mappedDescriptors.setFast(true); } result = (PropertyDescriptor) mappedDescriptors.get(name); if (result == null) { // not found, try to create it try { result = new MappedPropertyDescriptor(name, bean.getClass()); } catch (IntrospectionException ie) { } if (result != null) { mappedDescriptors.put(name, result); } } return result; } catch (RuntimeException ex) { LOG.error("Unable to get property descriptor for " + bean.getClass().getName() + " . " + name + "\n" + ex.getClass().getName() + ": " + ex.getMessage()); throw ex; } }
From source file:org.kuali.rice.kns.web.struts.form.pojo.PojoPropertyUtilsBean.java
private int findNextNestedIndex(String expression) { // walk back from the end to the start // and find the first index that int bracketCount = 0; for (int i = 0, size = expression.length(); i < size; i++) { char at = expression.charAt(i); switch (at) { case PropertyUtils.NESTED_DELIM: if (bracketCount < 1) { return i; }// w w w . java 2 s .c o m break; case PropertyUtils.MAPPED_DELIM: case PropertyUtils.INDEXED_DELIM: // not bothered which ++bracketCount; break; case PropertyUtils.MAPPED_DELIM2: case PropertyUtils.INDEXED_DELIM2: // not bothered which --bracketCount; break; } } // can't find any return -1; }
From source file:org.kuali.rice.kns.web.struts.form.pojo.PojoPropertyUtilsBean.java
/** * Set the value of the specified simple property of the specified bean, * with no type conversions./* w w w . j a va 2 s . c o m*/ * * @param bean Bean whose property is to be modified * @param name Name of the property to be modified * @param value Value to which the property should be set * * @exception IllegalAccessException if the caller does not have * access to the property accessor method * @exception IllegalArgumentException if <code>bean</code> or * <code>name</code> is null * @exception IllegalArgumentException if the property name is * nested or indexed * @exception InvocationTargetException if the property accessor method * throws an exception * @exception NoSuchMethodException if an accessor method for this * propety cannot be found */ public void setSimpleProperty(Object bean, String name, Object value) throws IllegalAccessException, InvocationTargetException, NoSuchMethodException { if (bean == null) { if (LOG.isDebugEnabled()) LOG.debug("No bean specified, name = " + name + ", value = " + value); return; } if (name == null) { throw new IllegalArgumentException("No name specified"); } // Validate the syntax of the property name if (name.indexOf(PropertyUtils.NESTED_DELIM) >= 0) { throw new IllegalArgumentException("Nested property names are not allowed"); } else if (name.indexOf(PropertyUtils.INDEXED_DELIM) >= 0) { throw new IllegalArgumentException("Indexed property names are not allowed"); } else if (name.indexOf(PropertyUtils.MAPPED_DELIM) >= 0) { throw new IllegalArgumentException("Mapped property names are not allowed"); } // Retrieve the property setter method for the specified property PropertyDescriptor descriptor = getPropertyDescriptor(bean, name); if (descriptor == null) { throw new NoSuchMethodException("Unknown property '" + name + "'"); } Method writeMethod = getWriteMethod(descriptor); if (writeMethod == null) { //throw new NoSuchMethodException("Property '" + name + "' has no setter method"); LOG.warn("Bean: " + bean.getClass().getName() + ", Property '" + name + "' has no setter method"); return; } // Call the property setter method Object values[] = new Object[1]; values[0] = value; if (LOG.isDebugEnabled()) { String valueClassName = value == null ? "<null>" : value.getClass().getName(); LOG.debug("setSimpleProperty: Invoking method " + writeMethod + " with value " + value + " (class " + valueClassName + ")"); } invokeMethod(writeMethod, bean, values); }