Headline

Exercise in-memory XML processing with Technology:XOM in Language:Java

Characteristics

See Contribution:dom for a general motivation for exercising in-memory XML processing. The present implementation simply exercises yet another DOM-like API. We end up providing a descendants axis to this end.

Illustration

The data model is implemented as xml files (sampleCompany.xml) that conform to a schema (Company.xsd).

Feature:Open serialization is implemented using Technology:xom Builder:

    public static Element deserializeCompany(String file) throws ValidityException, ParsingException, IOException {
        return (new Builder().build(new File(file)).getRootElement());
    }

Feature:Total and Feature:Cut are implemented by using descendants:

	public static double total(Element elem) {
		double total = 0;
		for (Element s : descendants(elem, "salary"))
			total += Double.valueOf(s.getValue());
		return total;
	}

	public static void cut(Element elem) {
		for (Element s : descendants(elem, "salary")) {
			double value = Double.valueOf(s.getValue());
			value /= 2;
			s.removeChildren();
			s.appendChild(new Text(Double.toString(value)));
		}
	}

Test cases are implemented for all Namespace:Features.

Relationships

For DOM-like implementations of in-memory XML processing see Contribution:dom, Contribution:jdom and Contribution:xom.

For a query-based implementation of in-memory XML processing see Contribution:xpathAPI.

For push-based XML processing see Contribution:sax.

For Object/XML mapping see Contribution:jaxbChoice (XSD with choice for different subunits), Contribution:jaxbComposition (XSD with object composition), Contribution:jaxbExtension (XSD with type extension) and Contribution:jaxbSubstitution (XSD with substitution groups).

Architecture

The contribution follows a standardized structure:

  • inputs contains input files for tests
  • src/main/java contains the following packages:
    • org.softlang.company.features for implementations of Functional requirements.
      • org.softlang.company.features.xom for descendants helper.
  • src/test/java contains the following packages:

Usage

This contribution uses Technology:Gradle for building. Technology:Eclipse is supported.

See https://github.com/101companies/101simplejava/blob/master/README.md

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