Java Code Examples for com.smartgwt.client.data.Record#getAttributeAsObject()

/**
 * Gets model of a digital object. It searches for synthetic attribute
 * {@link #FIELD_MODELOBJECT}. If not found it searches for {@link SearchDataSource#FIELD_MODEL}
 * and sets FIELD_MODELOBJECT attribute.
 *
 * @param digitalObject record fetched by {@link SearchDataSource} or {@link RelationDataSource}
 * @return model object or {@code null}
 */
public static MetaModelRecord getModel(Record digitalObject) {
    MetaModelRecord mmr = (MetaModelRecord) digitalObject.getAttributeAsObject(FIELD_MODELOBJECT);
    if (mmr == null) {
        String model = digitalObject.getAttribute(SearchDataSource.FIELD_MODEL);
        if (model != null) {
            if (resultSet == null) {
                return null;
            }
            Record mr = resultSet.findByKey(model);
            if (mr != null) {
                mmr = MetaModelRecord.get(mr);
                digitalObject.setAttribute(FIELD_MODELOBJECT, mmr);
            } else {
                ClientUtils.severe(LOG, "unkown model ID '%s' of record %s", model, digitalObject.getAttribute(SearchDataSource.FIELD_PID));
            }
        }
    }
    return mmr;
}
 

/**
 * Creates digital object instance from record.
 * @param r record
 * @param checked {@code false} means ignore missing attributes and return {@code null}
 * @return instance of digital object
 */
private static DigitalObject create(Record r, boolean checked) {
    if (r == null) {
        throw new NullPointerException();
    }
    DigitalObject dobj = (DigitalObject) r.getAttributeAsObject(FIELD_INSTANCE);
    if (dobj != null) {
        return dobj;
    }


    Long workflowJobId = r.getAttributeAsLong(WorkflowModelConsts.JOB_ID);
    String pid = getAttribute(r, FIELD_PID, checked && workflowJobId == null);

    String modelId = getAttribute(r, FIELD_MODEL, checked);
    if ((pid == null && workflowJobId == null) || modelId == null) {
        return null;
    }
    String batchId = r.getAttribute(ModsCustomDataSource.FIELD_BATCHID);
    MetaModelRecord model = MetaModelDataSource.getModel(r);
    return new DigitalObject(pid, batchId, modelId, model, workflowJobId, r);
}
 

private Object getParameterValue(Record record, ValueType valueType, DisplayType displayType) {
    Object val = record.getAttributeAsObject(WorkflowParameterDataSource.FIELD_VALUE);
    if (valueType == ValueType.DATETIME && val instanceof String) {
        DateTimeFormat format = DateTimeFormat.getFormat(PredefinedFormat.ISO_8601);
        val = format.parse((String) val);
    } else if (displayType == DisplayType.CHECKBOX && val instanceof String) {
        if (Boolean.TRUE.toString().equalsIgnoreCase((String) val)) {
            val = true;
        } else if (Boolean.FALSE.toString().equalsIgnoreCase((String) val)) {
            val = false;
        } else {
            try {
                val = new BigDecimal((String) val).compareTo(BigDecimal.ZERO) > 0;
            } catch (NumberFormatException e) {
                // ignore
            }
        }
    } else if (displayType == DisplayType.CHECKBOX && val instanceof Number) {
        val = ((Number) val).doubleValue() > 0;
    }
    return val;
}
 

/**
     * Replace string values of record attributes with types declared by item children.
     * This is necessary as declarative forms do not use DataSource stuff.
     * @param record record to scan for attributes
     * @param item item with possible profile
     * @return resolved record
     */
    private static Record resolveRecordValues(Record record, FormItem item) {
        Field f = getProfile(item);
        if (f != null) {
            for (Field field : f.getFields()) {
                String fType = field.getType();
                if ("date".equals(fType) || "datetime".equals(fType)) {
                    // parses ISO dateTime to Date; otherwise DateItem cannot recognize the value!
                    Object value = record.getAttributeAsObject(field.getName());
                    if (!(value instanceof String)) {
                        continue;
                    }
                    String sd = (String) value;
//                    ClientUtils.severe(LOG, "name: %s, is date, %s", field.getName(), sd);
//                    Date d = DateTimeFormat.getFormat(PredefinedFormat.ISO_8601).parse("1994-11-05T13:15:30Z");
                    try {
                        Date d = DateTimeFormat.getFormat(PredefinedFormat.ISO_8601).parse(sd);
                        record.setAttribute(field.getName(), d);
                    } catch (IllegalArgumentException ex) {
                        LOG.log(Level.WARNING, sd, ex);
                    }
                }
            }
        }
        return record;
    }
 

/** Gets stream instance or {@code null}. */
public static StreamProfile get(Record r) {
    if (r == null) {
        return null;
    }
    StreamProfile sv = (StreamProfile) r.getAttributeAsObject(FIELD_INSTANCE);
    if (sv == null) {
        sv = new StreamProfile(r);
        if (sv.getId() == null) {
            return null;
        }
        r.setAttribute(FIELD_INSTANCE, sv);
    }
    return sv;
}