Examples of com.vaadin.data.Property$ConversionException

com.vaadin.data.Property
An exception that signals that the value passed to the setValue method couldn't be converted to the native type of the Property. @author IT Mill Ltd @version 6.7.1 @since 3.0

    public int compare(Object o1, Object o2) {


        for (int i = 0; i < sortPropertyId.length; i++) {


            // Get the compared properties
            final Property pp1 = getContainerProperty(o1, sortPropertyId[i]);
            final Property pp2 = getContainerProperty(o2, sortPropertyId[i]);


            // Get the compared values
            final Object p1 = pp1 == null ? null : pp1.getValue();
            final Object p2 = pp2 == null ? null : pp2.getValue();


            // Result of the comparison
            int r = 0;


            // Normal non-null comparison

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                if (cols > 0) {
                    for (int j = 0; j < cols; j++) {
                        if (isColumnCollapsed(colids[j])) {
                            continue;
                        }
                        Property p = null;
                        Object value = "";
                        boolean isGenerated = columnGenerators
                                .containsKey(colids[j]);


                        if (!isGenerated) {
                            p = getContainerProperty(id, colids[j]);
                        }


                        // check in current pageBuffer already has row
                        int index = firstIndex + i;
                        if (p != null || isGenerated) {
                            if (index < firstIndexNotInCache
                                    && index >= pageBufferFirstIndex) {
                                // we have data already in our cache,
                                // recycle it instead of fetching it via
                                // getValue/getPropertyValue
                                int indexInOldBuffer = index
                                        - pageBufferFirstIndex;
                                value = pageBuffer[CELL_FIRSTCOL + j][indexInOldBuffer];
                                if (!isGenerated && iscomponent[j]
                                        || !(value instanceof Component)) {
                                    listenProperty(p, oldListenedProperties);
                                }
                            } else {
                                if (isGenerated) {
                                    ColumnGenerator cg = columnGenerators
                                            .get(colids[j]);
                                    value = cg
                                            .generateCell(this, id, colids[j]);


                                } else if (iscomponent[j]) {
                                    value = p.getValue();
                                    listenProperty(p, oldListenedProperties);
                                } else if (p != null) {
                                    value = getPropertyValue(id, colids[j], p);
                                    /*
                                     * If returned value is Component (via

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     * 
     * @param item
     * @return true if the item is accepted by this filter
     */
    public boolean passesFilter(Item item) {
        final Property p = item.getItemProperty(propertyId);
        if (p == null || p.toString() == null) {
            return false;
        }
        final String value = ignoreCase ? p.toString().toLowerCase() : p
                .toString();
        if (onlyMatchPrefix) {
            if (!value.startsWith(filterString)) {
                return false;
            }

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        final Field field = fields.get(id);
        if (field == null) {
            // field does not exist or it is not (yet) created for this property
            return ownProperties.get(id);
        }
        final Property property = field.getPropertyDataSource();


        if (property != null) {
            return property;
        } else {
            return field;

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        }


        // Adds all the properties to this form
        for (final Iterator i = propertyIds.iterator(); i.hasNext();) {
            final Object id = i.next();
            final Property property = itemDatasource.getItemProperty(id);
            if (id != null && property != null) {
                final Field f = fieldFactory.createField(itemDatasource, id,
                        this);
                if (f != null) {
                    f.setPropertyDataSource(property);

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                        descriptions[i].toString());
            }
        }


        // Sets the property data source
        final Property property = oldField.getPropertyDataSource();
        oldField.setPropertyDataSource(null);
        newField.setPropertyDataSource(property);


        // Replaces the old field with new one
        layout.replaceComponent(oldField, newField);

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        fireItemSetChange();
        return true;
    }


    private void addValueChangeListener(BeanItem beanItem, Object propertyId) {
        Property property = beanItem.getItemProperty(propertyId);
        if (property instanceof ValueChangeNotifier) {
            // avoid multiple notifications for the same property if
            // multiple filters are in use
            ValueChangeNotifier notifier = (ValueChangeNotifier) property;
            notifier.removeListener(this);

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            notifier.addListener(this);
        }
    }


    private void removeValueChangeListener(BeanItem item, Object propertyId) {
        Property property = item.getItemProperty(propertyId);
        if (property instanceof ValueChangeNotifier) {
            ((ValueChangeNotifier) property).removeListener(this);
        }
    }

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        for (PropertyDescriptor pd : propertyDescriptors.values()) {
            final Method getMethod = pd.getReadMethod();
            final Method setMethod = pd.getWriteMethod();
            final Class<?> type = pd.getPropertyType();
            final String name = pd.getName();
            final Property p = new MethodProperty(type, bean, getMethod,
                    setMethod);
            addItemProperty(name, p);


        }
    }

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            if (pd != null) {
                final String name = pd.getName();
                final Method getMethod = pd.getReadMethod();
                final Method setMethod = pd.getWriteMethod();
                final Class<?> type = pd.getPropertyType();
                final Property p = new MethodProperty(type, bean, getMethod,
                        setMethod);
                addItemProperty(name, p);
            }
        }

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