Examples with Literal org.ontoware.rdf2go.model.node.Literal used on opensource projects

Example 1 with Literal

use of org.ontoware.rdf2go.model.node.Literal in project stanbol by apache.

the class MetaxaCore method getText.

/**
     * Returns a documents plain text if contained in the given extracted
     * metadata.
     *
     * @param model
     *            a {@link Model} with the extracted metadata
     * @return a {@link String} with the plain text content or {@code null} if
     *         no plain text was contained in the extracted metadata
     */
public static String getText(Model model) {
    String result = null;
    ClosableIterator<Statement> statements = null;
    try {
        statements = model.findStatements(Variable.ANY, NIE.plainTextContent, Variable.ANY);
        StringBuilder text = new StringBuilder(10000);
        while (statements.hasNext()) {
            Statement statement = statements.next();
            Node value = statement.getObject();
            if (value instanceof Literal) {
                text.append(((Literal) value).getValue());
            }
        }
        result = text.toString().trim();
        if (result.length() == 0) {
            result = null;
        }
    } finally {
        if (statements != null) {
            statements.close();
        }
    }
    return result;
}