Formatter.java
/*******************************************************************************
* Copyright (c) 2020 Eclipse RDF4J contributors.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Distribution License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*******************************************************************************/
package org.eclipse.rdf4j.sail.shacl.ast.planNodes;
import org.eclipse.rdf4j.model.IRI;
import org.eclipse.rdf4j.model.Value;
import org.eclipse.rdf4j.model.vocabulary.RDF;
import org.eclipse.rdf4j.model.vocabulary.RDFS;
import org.eclipse.rdf4j.model.vocabulary.SHACL;
public class Formatter {
public static String prefix(Value in) {
if (in == null) {
return "null";
}
if (in instanceof IRI) {
String namespace = ((IRI) in).getNamespace();
if (namespace.equals(RDF.NAMESPACE)) {
return in.toString().replace(RDF.NAMESPACE, RDF.PREFIX + ":");
}
if (namespace.equals(RDFS.NAMESPACE)) {
return in.toString().replace(RDFS.NAMESPACE, RDFS.PREFIX + ":");
}
if (namespace.equals(SHACL.NAMESPACE)) {
return in.toString().replace(SHACL.NAMESPACE, SHACL.PREFIX + ":");
}
if (namespace.equals("http://example.com/ns#")) {
return in.toString().replace("http://example.com/ns#", "ex:");
}
if (namespace.equals("http://www.w3.org/2001/XMLSchema#")) {
return in.toString().replace("http://www.w3.org/2001/XMLSchema#", "xsd:");
}
}
return in.toString();
}
public static String formatSparqlQuery(String query) {
StringBuilder stringBuilder = new StringBuilder();
query = query.replace(" .", " .\n");
query = query.replace("\n\n", "\n");
String[] split = query.split("\n");
int indent = 0;
for (String s : split) {
s = s.trim();
if (s.startsWith("}")) {
indent--;
}
for (int i = 0; i < indent; i++) {
stringBuilder.append("\t");
}
stringBuilder.append(s).append("\n");
if (s.endsWith("{")) {
indent++;
}
}
return stringBuilder.toString().trim();
}
}