Examples with Statement org.openrdf.model.Statement used on opensource projects

Example 21 with Statement

use of org.openrdf.model.Statement in project gocd by gocd.

the class SesameGraph method dumpTriplesNotInContext.

private void dumpTriplesNotInContext(Writer writer) {
    try {
        writer.append("Statements not in any context: \n");
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
    RDFXMLWriter xmlWriter = new RDFXMLWriter(writer);
    xmlWriter.startRDF();
    try {
        RepositoryResult<Statement> result = conn.getStatements(null, null, null, false);
        while (result.hasNext()) {
            Statement statement = result.next();
            if (statement.getContext() == null) {
                xmlWriter.handleStatement(statement);
            }
        }
    } catch (RepositoryException | RDFHandlerException e) {
        throw new RuntimeException(e);
    } finally {
        try {
            xmlWriter.endRDF();
        } catch (RDFHandlerException e) {
            throw new RuntimeException(e);
        }
    }
}

Example 22 with Statement

use of org.openrdf.model.Statement in project vcell by virtualcell.

the class Model2JDOM method createElement.

protected Element createElement(Graph model, Resource resource) {
    Element element = null;
    Iterator<Statement> stmtIter = model.match(resource, RDF.TYPE, null);
    while (stmtIter.hasNext()) {
        Value object = stmtIter.next().getObject();
        if (object instanceof URI) {
            URI type = (URI) object;
            String nameSpaceURI = type.getNamespace();
            String localName = type.getLocalName();
            if (localName != null && localName.length() > 0 && nameSpaceURI != null && nameSpaceURI.length() > 0) {
                NameSpace ns = nsMap.provideNamesSpace(nameSpaceURI);
                element = new Element(localName, Namespace.getNamespace(ns.prefix, ns.uri));
                break;
            }
        }
    }
    if (element == null) {
        element = new Element(TYPELESS_NODE_NAME, nsRDF);
    }
    if (resource instanceof URI) {
        element.setAttribute("about", resource.stringValue(), nsRDF);
    } else {
        element.setAttribute("nodeID", blankNodeID(resource), nsRDF);
    }
    return element;
}

Example 23 with Statement

use of org.openrdf.model.Statement in project vcell by virtualcell.

the class RefGroup method refs.

public Set<MIRIAMRef> refs(Graph graph) {
    Iterator<Statement> stmtIter = graph.match(getResource(), null, null);
    Set<MIRIAMRef> refs = new HashSet<MIRIAMRef>();
    while (stmtIter.hasNext()) {
        Statement statement = stmtIter.next();
        if (RDFBagUtil.isRDFContainerMembershipProperty(statement.getPredicate())) {
            Value object = statement.getObject();
            if (object instanceof URI) {
                URI resourceRef = (URI) object;
                try {
                    refs.add(MIRIAMRef.createFromURN(resourceRef.stringValue()));
                } catch (URNParseFailureException e) {
                    e.printStackTrace();
                }
            }
        }
    }
    return refs;
}

Example 24 with Statement

use of org.openrdf.model.Statement in project vcell by virtualcell.

the class RefGroup method remove.

public RefGroup remove(Graph graph, MIRIAMRef ref) {
    Resource resourceRef = graph.getValueFactory().createURI(ref.urn());
    Iterator<Statement> stmtIter = graph.match(getResource(), null, resourceRef);
    while (stmtIter.hasNext()) {
        stmtIter.next();
        stmtIter.remove();
    }
    return this;
}

Example 25 with Statement

use of org.openrdf.model.Statement in project vcell by virtualcell.

the class RefGroup method contains.

public boolean contains(Graph graph, MIRIAMRef ref) {
    Resource rRef = graph.getValueFactory().createURI(ref.urn());
    Statement statement = graph.getValueFactory().createStatement(getResource(), RDF.LI, rRef);
    return graph.contains(statement);
}