Examples with AttributeGroupType org.opennms.netmgt.collection.api.AttributeGroupType used on opensource projects

Example 21 with AttributeGroupType

use of org.opennms.netmgt.collection.api.AttributeGroupType in project opennms by OpenNMS.

the class RegExPropertyExtender method getTargetAttribute.

/* (non-Javadoc)
     * @see org.opennms.netmgt.collectd.SnmpPropertyExtender#getTargetAttribute(java.util.List, org.opennms.netmgt.collectd.SnmpCollectionResource, org.opennms.netmgt.config.datacollection.MibObjProperty)
     */
@Override
public SnmpAttribute getTargetAttribute(List<CollectionAttribute> sourceAttributes, SnmpCollectionResource targetResource, MibObjProperty property) {
    final String sourceType = property.getParameterValue(SOURCE_TYPE);
    if (StringUtils.isBlank(sourceType)) {
        LOG.warn("Cannot execute the RegEx property extender because: missing parameter {}", SOURCE_TYPE);
        return null;
    }
    final String sourceAlias = property.getParameterValue(SOURCE_ALIAS);
    if (StringUtils.isBlank(sourceAlias)) {
        LOG.warn("Cannot execute the RegEx property extender because: missing parameter {}", SOURCE_ALIAS);
        return null;
    }
    final String indexPattern = property.getParameterValue(INDEX_PATTERN);
    if (StringUtils.isBlank(indexPattern)) {
        LOG.warn("Cannot execute the RegEx property extender because: missing parameter {}", INDEX_PATTERN);
        return null;
    }
    Pattern p = Pattern.compile(indexPattern);
    Matcher m = p.matcher(targetResource.getInstance());
    Optional<CollectionAttribute> target = null;
    if (m.find()) {
        final String index = m.group(1);
        target = sourceAttributes.stream().filter(a -> matches(sourceType, sourceAlias, index, a)).findFirst();
    }
    if (target != null && target.isPresent()) {
        AttributeGroupType groupType = targetResource.getGroupType(property.getGroupName());
        if (groupType != null) {
            MibPropertyAttributeType type = new MibPropertyAttributeType(targetResource.getResourceType(), property, groupType);
            SnmpValue value = SnmpUtils.getValueFactory().getOctetString(target.get().getStringValue().getBytes());
            return new SnmpAttribute(targetResource, type, value);
        }
    }
    return null;
}