private String getText(JsonNode node, String propertyName) {
        JsonNode childNode = node.get(propertyName);
        if (childNode == null) {
            return null;
        }
        return childNode.asText();
    }
private String getText(JsonNode node, String propertyName) {
        JsonNode childNode = node.get(propertyName);
        if (childNode == null) {
            return null;
        }
        return childNode.asText();
    }
private String getText ( JsonNode node , String propertyName ) { JsonNode childNode = node . get ( propertyName ) ; if ( childNode == null ) { return null ; } return childNode . asText ( ) ; }
Get the text from child node with the given name.  Returns null if child node does not exist.

@param node         Node to search
@param propertyName Name of the child node
@return The text value of the child node
Get the text from child node with the given name . Returns null if child node does not exist .