17945178198

Committed 23 Sep 2025 11:47AM UTC coverage: 70.508% (+0.06%) from 70.444%

Build # 17945178198

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push

github

Committed by

tkuhn

Commit Message

feat: Fully remove third-party grlc service

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60.35

src/main/java/com/knowledgepixels/query/GrlcSpec.java

package com.knowledgepixels.query;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.eclipse.rdf4j.model.IRI;
import org.eclipse.rdf4j.model.Statement;
import org.eclipse.rdf4j.model.ValueFactory;
import org.eclipse.rdf4j.model.impl.SimpleValueFactory;
import org.eclipse.rdf4j.model.vocabulary.DCTERMS;
import org.eclipse.rdf4j.model.vocabulary.RDFS;
import org.eclipse.rdf4j.query.MalformedQueryException;
import org.eclipse.rdf4j.query.algebra.Var;
import org.eclipse.rdf4j.query.algebra.helpers.AbstractSimpleQueryModelVisitor;
import org.eclipse.rdf4j.query.parser.ParsedQuery;
import org.eclipse.rdf4j.query.parser.sparql.SPARQLParser;
import org.nanopub.Nanopub;
import org.nanopub.SimpleCreatorPattern;
import org.nanopub.extra.server.GetNanopub;
import org.nanopub.extra.services.QueryAccess;

import io.vertx.core.MultiMap;
import net.trustyuri.TrustyUriUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

//TODO merge this class with GrlcQuery of Nanodash and move to a library like nanopub-java
/**
 * This class produces a page with the grlc specification. This is needed internally to tell grlc
 * how to execute a particular query template.
 */
public class GrlcSpec {

    private static final ValueFactory vf = SimpleValueFactory.getInstance();

    private static final Logger log = LoggerFactory.getLogger(GrlcSpec.class);

    public static class InvalidGrlcSpecException extends Exception {

        private InvalidGrlcSpecException(String msg) {
            super(msg);
        }

        private InvalidGrlcSpecException(String msg, Throwable throwable) {
            super(msg, throwable);
        }

    }

    /**
     * IRI for relation to link a grlc query instance to its SPARQL template.
     */
    public static final IRI HAS_SPARQL = vf.createIRI("https://w3id.org/kpxl/grlc/sparql");

    /**
     * IRI for relation to link a grlc query instance to its SPARQL endpoint URL.
     */
    public static final IRI HAS_ENDPOINT = vf.createIRI("https://w3id.org/kpxl/grlc/endpoint");

    /**
     * URL for the given Nanopub Query instance, needed for internal coordination.
     */
    public static final String nanopubQueryUrl = Utils.getEnvString("NANOPUB_QUERY_URL", "http://query:9393/");

    private MultiMap parameters;
    private Nanopub np;
    private String requestUrlBase;
    private String artifactCode;
    private String queryPart;
    private String queryName;
    private String label;
    private String desc;
    private String license;
    private String queryContent;
    private String endpoint;
    private List<String> placeholdersList;

    /**
     * Creates a new page instance.
     *
     * @param requestUrl The request URL
     * @param parameters The URL request parameters
     */
    public GrlcSpec(String requestUrl, MultiMap parameters) throws InvalidGrlcSpecException {
        this.parameters = parameters;
        requestUrl = requestUrl.replaceFirst("\\?.*$", "");
        if (!requestUrl.matches(".*/RA[A-Za-z0-9\\-_]{43}/(.*)?")) {
            throw new InvalidGrlcSpecException("Invalid grlc API request: " + requestUrl);
        }
        artifactCode = requestUrl.replaceFirst("^(.*/)(RA[A-Za-z0-9\\-_]{43})/(.*)?$", "$2");
        requestUrlBase = requestUrl.replaceFirst("^/(.*/)(RA[A-Za-z0-9\\-_]{43})/(.*)?$", "$1");

        queryPart = requestUrl.replaceFirst("^(.*/)(RA[A-Za-z0-9\\-_]{43}/)(.*)?$", "$3");
        queryPart = queryPart.replaceFirst(".rq$", "");

        // TODO Get the nanopub from the local store:
        np = GetNanopub.get(artifactCode);
        if (parameters.get("api-version") != null && parameters.get("api-version").equals("latest")) {
            // TODO Get the latest version from the local store:
            np = GetNanopub.get(QueryAccess.getLatestVersionId(np.getUri().stringValue()));
            artifactCode = TrustyUriUtils.getArtifactCode(np.getUri().stringValue());
        }
        for (Statement st : np.getAssertion()) {
            if (!st.getSubject().stringValue().startsWith(np.getUri().stringValue())) continue;
            String qn = st.getSubject().stringValue().replaceFirst("^.*[#/](.*)$", "$1");
            if (queryName != null && !qn.equals(queryName)) {
                throw new InvalidGrlcSpecException("Subject suffixes don't match: " + queryName);
            }
            queryName = qn;
            if (st.getPredicate().equals(RDFS.LABEL)) {
                label = st.getObject().stringValue();
            } else if (st.getPredicate().equals(DCTERMS.DESCRIPTION)) {
                desc = st.getObject().stringValue();
            } else if (st.getPredicate().equals(DCTERMS.LICENSE) && st.getObject() instanceof IRI) {
                license = st.getObject().stringValue();
            } else if (st.getPredicate().equals(HAS_SPARQL)) {
                // TODO Improve this:
                queryContent = st.getObject().stringValue().replace("https://w3id.org/np/l/nanopub-query-1.1/repo/", nanopubQueryUrl + "repo/");
            } else if (st.getPredicate().equals(HAS_ENDPOINT) && st.getObject() instanceof IRI) {
                endpoint = st.getObject().stringValue();
                if (endpoint.startsWith("https://w3id.org/np/l/nanopub-query-1.1/repo/")) {
                    endpoint = endpoint.replace("https://w3id.org/np/l/nanopub-query-1.1/repo/", nanopubQueryUrl + "repo/");
                } else {
                    throw new InvalidGrlcSpecException("Invalid/non-recognized endpoint: " + endpoint);
                }
            }
        }

        if (!queryPart.isEmpty() && !queryPart.equals(queryName)) {
            throw new InvalidGrlcSpecException("Query part doesn't match query name: " + queryPart + " / " + queryName);
        }

        final Set<String> placeholders = new HashSet<>();
        try {
            ParsedQuery query = new SPARQLParser().parseQuery(queryContent, null);
            query.getTupleExpr().visitChildren(new AbstractSimpleQueryModelVisitor<>() {
        
                @Override
                public void meet(Var node) throws RuntimeException {
                    super.meet(node);
                    if (!node.isConstant() && !node.isAnonymous() && node.getName().startsWith("_")) {
                        placeholders.add(node.getName());
                    }
                }
        
            });
        } catch (MalformedQueryException ex) {
            throw new InvalidGrlcSpecException("Invalid SPARQL string", ex);
        }
        List<String> placeholdersListPre = new ArrayList<>(placeholders);
        Collections.sort(placeholdersListPre);
        placeholdersListPre.sort(Comparator.comparing(String::length));
        placeholdersList = Collections.unmodifiableList(placeholdersListPre);
    }

    /**
     * Returns the grlc spec as a string.
     *
     * @return grlc specification string
     */
    public String getSpec() {
        String s = "";
        if (queryPart.isEmpty()) {
            if (label == null) {
                s += "title: \"untitled query\"\n";
            } else {
                s += "title: \"" + escapeLiteral(label) + "\"\n";
            }
            s += "description: \"" + escapeLiteral(desc) + "\"\n";
            StringBuilder userName = new StringBuilder();
            Set<IRI> creators = SimpleCreatorPattern.getCreators(np);
            for (IRI userIri : creators) {
                userName.append(", ").append(userIri);
            }
            if (!userName.isEmpty()) userName = new StringBuilder(userName.substring(2));
            String url = "";
            if (!creators.isEmpty()) url = creators.iterator().next().stringValue();
            s += "contact:\n";
            s += "  name: \"" + escapeLiteral(userName.toString()) + "\"\n";
            s += "  url: " + url + "\n";
            if (license != null) {
                s += "licence: " + license + "\n";
            }
            s += "queries:\n";
            s += "  - " + nanopubQueryUrl + requestUrlBase + artifactCode + "/" + queryName + ".rq";
        } else if (queryPart.equals(queryName)) {
            if (label != null) {
                s += "#+ summary: \"" + escapeLiteral(label) + "\"\n";
            }
            if (desc != null) {
                s += "#+ description: \"" + escapeLiteral(desc) + "\"\n";
            }
            if (license != null) {
                s += "#+ licence: " + license + "\n";
            }
            if (endpoint != null) {
                s += "#+ endpoint: " + endpoint + "\n";
            }
            s += "\n";
            s += queryContent;
        } else {
            throw new RuntimeException("Unexpected queryPart: " + queryPart);
        }
        return s;
    }

    public MultiMap getParameters() {
        return parameters;
    }

    public Nanopub getNanopub() {
        return np;
    }

    public String getArtifactCode() {
        return artifactCode;
    }

    public String getLabel() {
        return label;
    }

    public String getDescription() {
        return desc;
    }

    public String getQueryName() {
        return queryName;
    }

    public List<String> getPlaceholdersList() {
        return placeholdersList;
    }

    public String getRepoName() {
        return endpoint.replaceAll("/", "_").replaceFirst("^.*_repo_", "");
    }

    public String getQueryContent() {
        return queryContent;
    }

    public String expandQuery() throws InvalidGrlcSpecException {
        String expandedQueryContent = queryContent;
        for (String ph : placeholdersList) {
            log.info("ph: ", ph);
            log.info("getParamName(ph): ", getParamName(ph));
            if (isMultiPlaceholder(ph)) {
                // TODO multi placeholders need proper documentation
                List<String> val = parameters.getAll(getParamName(ph));
                if (!isOptionalPlaceholder(ph) && val.isEmpty()) {
                    throw new InvalidGrlcSpecException("Missing value for non-optional placeholder: " + ph);
                }
                if (val.isEmpty()) {
                    expandedQueryContent = expandedQueryContent.replaceAll("values\\s*\\?" + ph + "\\s*\\{\\s*\\}(\\s*\\.)?", "");
                    continue;
                }
                String valueList = "";
                for (String v : val) {
                    if (isIriPlaceholder(ph)) {
                        valueList += serializeIri(v) + " ";
                    } else {
                        valueList += serializeLiteral(v) + " ";
                    }
                }
                expandedQueryContent = expandedQueryContent.replaceAll("values\\s*\\?" + ph + "\\s*\\{\\s*\\}", "values ?" + ph + " { " + valueList + "}");
            } else {
                String val = parameters.get(getParamName(ph));
                log.info("val: ", val);
                if (!isOptionalPlaceholder(ph) && val == null) {
                    throw new InvalidGrlcSpecException("Missing value for non-optional placeholder: " + ph);
                }
                if (val == null) continue;
                if (isIriPlaceholder(ph)) {
                    expandedQueryContent = expandedQueryContent.replaceAll("\\?" + ph, serializeIri(val));
                } else {
                    expandedQueryContent = expandedQueryContent.replaceAll("\\?" + ph, serializeLiteral(val));
                }
            }
        }
        log.info("Expanded grlc query:\n", expandedQueryContent);
        return expandedQueryContent;
    }

    public static String escapeLiteral(String s) {
        return s.replace("\\", "\\\\").replace("\n", "\\n").replace("\"", "\\\"");
    }

    public static boolean isOptionalPlaceholder(String placeholder) {
        return placeholder.startsWith("__");
    }

    public static boolean isMultiPlaceholder(String placeholder) {
        return placeholder.endsWith("_multi") || placeholder.endsWith("_multi_iri");
    }

    public static boolean isIriPlaceholder(String placeholder) {
        return placeholder.endsWith("_iri");
    }

    public static String getParamName(String placeholder) {
        return placeholder.replaceFirst("^_+", "").replaceFirst("_iri$", "").replaceFirst("_multi$", "");
    }

    public static String serializeIri(String iriString) {
        return "<" + iriString + ">";
    }

    public static String serializeLiteral(String literalString) {
        return "\"" + escapeLiteral(literalString) + "\"";
    }

}

1	package com.knowledgepixels.query;
2
3	import java.util.ArrayList;
4	import java.util.Collections;
5	import java.util.Comparator;
6	import java.util.HashSet;
7	import java.util.List;
8	import java.util.Set;
9
10	import org.eclipse.rdf4j.model.IRI;
11	import org.eclipse.rdf4j.model.Statement;
12	import org.eclipse.rdf4j.model.ValueFactory;
13	import org.eclipse.rdf4j.model.impl.SimpleValueFactory;
14	import org.eclipse.rdf4j.model.vocabulary.DCTERMS;
15	import org.eclipse.rdf4j.model.vocabulary.RDFS;
16	import org.eclipse.rdf4j.query.MalformedQueryException;
17	import org.eclipse.rdf4j.query.algebra.Var;
18	import org.eclipse.rdf4j.query.algebra.helpers.AbstractSimpleQueryModelVisitor;
19	import org.eclipse.rdf4j.query.parser.ParsedQuery;
20	import org.eclipse.rdf4j.query.parser.sparql.SPARQLParser;
21	import org.nanopub.Nanopub;
22	import org.nanopub.SimpleCreatorPattern;
23	import org.nanopub.extra.server.GetNanopub;
24	import org.nanopub.extra.services.QueryAccess;
25
26	import io.vertx.core.MultiMap;
27	import net.trustyuri.TrustyUriUtils;
28	import org.slf4j.Logger;
29	import org.slf4j.LoggerFactory;
30
31	//TODO merge this class with GrlcQuery of Nanodash and move to a library like nanopub-java
32	/**
33	* This class produces a page with the grlc specification. This is needed internally to tell grlc
34	* how to execute a particular query template.
35	*/
36	public class GrlcSpec {
37
38	private static final ValueFactory vf = SimpleValueFactory.getInstance();	2✔
39
40	private static final Logger log = LoggerFactory.getLogger(GrlcSpec.class);	3✔
41
42	public static class InvalidGrlcSpecException extends Exception {
43
44	private InvalidGrlcSpecException(String msg) {
45	super(msg);	3✔
46	}	1✔
47
48	private InvalidGrlcSpecException(String msg, Throwable throwable) {
49	super(msg, throwable);	×
50	}	×
51
52	}
53
54	/**
55	* IRI for relation to link a grlc query instance to its SPARQL template.
56	*/
57	public static final IRI HAS_SPARQL = vf.createIRI("https://w3id.org/kpxl/grlc/sparql");	4✔
58
59	/**
60	* IRI for relation to link a grlc query instance to its SPARQL endpoint URL.
61	*/
62	public static final IRI HAS_ENDPOINT = vf.createIRI("https://w3id.org/kpxl/grlc/endpoint");	4✔
63
64	/**
65	* URL for the given Nanopub Query instance, needed for internal coordination.
66	*/
67	public static final String nanopubQueryUrl = Utils.getEnvString("NANOPUB_QUERY_URL", "http://query:9393/");	5✔
68
69	private MultiMap parameters;
70	private Nanopub np;
71	private String requestUrlBase;
72	private String artifactCode;
73	private String queryPart;
74	private String queryName;
75	private String label;
76	private String desc;
77	private String license;
78	private String queryContent;
79	private String endpoint;
80	private List<String> placeholdersList;
81
82	/**
83	* Creates a new page instance.
84	*
85	* @param requestUrl The request URL
86	* @param parameters The URL request parameters
87	*/
88	public GrlcSpec(String requestUrl, MultiMap parameters) throws InvalidGrlcSpecException {	2✔
89	this.parameters = parameters;	3✔
90	requestUrl = requestUrl.replaceFirst("\\?.*$", "");	5✔
91	if (!requestUrl.matches("./RA[A-Za-z0-9\\-_]{43}/(.)?")) {	4✔
92	throw new InvalidGrlcSpecException("Invalid grlc API request: " + requestUrl);	6✔
93	}
94	artifactCode = requestUrl.replaceFirst("^(./)(RA[A-Za-z0-9\\-_]{43})/(.)?$", "$2");	6✔
95	requestUrlBase = requestUrl.replaceFirst("^/(./)(RA[A-Za-z0-9\\-_]{43})/(.)?$", "$1");	6✔
96
97	queryPart = requestUrl.replaceFirst("^(./)(RA[A-Za-z0-9\\-_]{43}/)(.)?$", "$3");	6✔
98	queryPart = queryPart.replaceFirst(".rq$", "");	7✔
99
100	// TODO Get the nanopub from the local store:
101	np = GetNanopub.get(artifactCode);	5✔
102	if (parameters.get("api-version") != null && parameters.get("api-version").equals("latest")) {	10✔
103	// TODO Get the latest version from the local store:
104	np = GetNanopub.get(QueryAccess.getLatestVersionId(np.getUri().stringValue()));	8✔
105	artifactCode = TrustyUriUtils.getArtifactCode(np.getUri().stringValue());	7✔
106	}
107	for (Statement st : np.getAssertion()) {	12✔
108	if (!st.getSubject().stringValue().startsWith(np.getUri().stringValue())) continue;	9!
109	String qn = st.getSubject().stringValue().replaceFirst("^.[#/](.)$", "$1");	7✔
110	if (queryName != null && !qn.equals(queryName)) {	8!
111	throw new InvalidGrlcSpecException("Subject suffixes don't match: " + queryName);	×
112	}
113	queryName = qn;	3✔
114	if (st.getPredicate().equals(RDFS.LABEL)) {	5✔
115	label = st.getObject().stringValue();	6✔
116	} else if (st.getPredicate().equals(DCTERMS.DESCRIPTION)) {	5✔
117	desc = st.getObject().stringValue();	6✔
118	} else if (st.getPredicate().equals(DCTERMS.LICENSE) && st.getObject() instanceof IRI) {	9!
119	license = st.getObject().stringValue();	6✔
120	} else if (st.getPredicate().equals(HAS_SPARQL)) {	5✔
121	// TODO Improve this:
122	queryContent = st.getObject().stringValue().replace("https://w3id.org/np/l/nanopub-query-1.1/repo/", nanopubQueryUrl + "repo/");	10✔
123	} else if (st.getPredicate().equals(HAS_ENDPOINT) && st.getObject() instanceof IRI) {	9!
124	endpoint = st.getObject().stringValue();	5✔
125	if (endpoint.startsWith("https://w3id.org/np/l/nanopub-query-1.1/repo/")) {	5!
126	endpoint = endpoint.replace("https://w3id.org/np/l/nanopub-query-1.1/repo/", nanopubQueryUrl + "repo/");	9✔
127	} else {
128	throw new InvalidGrlcSpecException("Invalid/non-recognized endpoint: " + endpoint);	×
129	}
130	}
131	}	1✔
132
133	if (!queryPart.isEmpty() && !queryPart.equals(queryName)) {	10✔
134	throw new InvalidGrlcSpecException("Query part doesn't match query name: " + queryPart + " / " + queryName);	9✔
135	}
136
137	final Set<String> placeholders = new HashSet<>();	4✔
138	try {
139	ParsedQuery query = new SPARQLParser().parseQuery(queryContent, null);	8✔
140	query.getTupleExpr().visitChildren(new AbstractSimpleQueryModelVisitor<>() {	14✔
141
142	@Override
143	public void meet(Var node) throws RuntimeException {
144	super.meet(node);	3✔
145	if (!node.isConstant() && !node.isAnonymous() && node.getName().startsWith("_")) {	11!
146	placeholders.add(node.getName());	×
147	}
148	}	1✔
149
150	});
151	} catch (MalformedQueryException ex) {	×
152	throw new InvalidGrlcSpecException("Invalid SPARQL string", ex);	×
153	}	1✔
154	List<String> placeholdersListPre = new ArrayList<>(placeholders);	5✔
155	Collections.sort(placeholdersListPre);	2✔
156	placeholdersListPre.sort(Comparator.comparing(String::length));	4✔
157	placeholdersList = Collections.unmodifiableList(placeholdersListPre);	4✔
158	}	1✔
159
160	/**
161	* Returns the grlc spec as a string.
162	*
163	* @return grlc specification string
164	*/
165	public String getSpec() {
166	String s = "";	2✔
167	if (queryPart.isEmpty()) {	4✔
168	if (label == null) {	3!
169	s += "title: \"untitled query\"\n";	×
170	} else {
171	s += "title: \"" + escapeLiteral(label) + "\"\n";	6✔
172	}
173	s += "description: \"" + escapeLiteral(desc) + "\"\n";	6✔
174	StringBuilder userName = new StringBuilder();	4✔
175	Set<IRI> creators = SimpleCreatorPattern.getCreators(np);	4✔
176	for (IRI userIri : creators) {	10✔
177	userName.append(", ").append(userIri);	6✔
178	}	1✔
179	if (!userName.isEmpty()) userName = new StringBuilder(userName.substring(2));	10!
180	String url = "";	2✔
181	if (!creators.isEmpty()) url = creators.iterator().next().stringValue();	9!
182	s += "contact:\n";	3✔
183	s += " name: \"" + escapeLiteral(userName.toString()) + "\"\n";	6✔
184	s += " url: " + url + "\n";	4✔
185	if (license != null) {	3!
186	s += "licence: " + license + "\n";	5✔
187	}
188	s += "queries:\n";	3✔
189	s += " - " + nanopubQueryUrl + requestUrlBase + artifactCode + "/" + queryName + ".rq";	10✔
190	} else if (queryPart.equals(queryName)) {	7!
191	if (label != null) {	3!
192	s += "#+ summary: \"" + escapeLiteral(label) + "\"\n";	6✔
193	}
194	if (desc != null) {	3!
195	s += "#+ description: \"" + escapeLiteral(desc) + "\"\n";	6✔
196	}
197	if (license != null) {	3!
198	s += "#+ licence: " + license + "\n";	5✔
199	}
200	if (endpoint != null) {	3!
201	s += "#+ endpoint: " + endpoint + "\n";	5✔
202	}
203	s += "\n";	3✔
204	s += queryContent;	6✔
205	} else {
206	throw new RuntimeException("Unexpected queryPart: " + queryPart);	×
207	}
208	return s;	2✔
209	}
210
211	public MultiMap getParameters() {
212	return parameters;	×
213	}
214
215	public Nanopub getNanopub() {
216	return np;	3✔
217	}
218
219	public String getArtifactCode() {
220	return artifactCode;	3✔
221	}
222
223	public String getLabel() {
224	return label;	3✔
225	}
226
227	public String getDescription() {
228	return desc;	3✔
229	}
230
231	public String getQueryName() {
232	return queryName;	3✔
233	}
234
235	public List<String> getPlaceholdersList() {
236	return placeholdersList;	3✔
237	}
238
239	public String getRepoName() {
240	return endpoint.replaceAll("/", "_").replaceFirst("^.*_repo_", "");	×
241	}
242
243	public String getQueryContent() {
244	return queryContent;	×
245	}
246
247	public String expandQuery() throws InvalidGrlcSpecException {
248	String expandedQueryContent = queryContent;	×
249	for (String ph : placeholdersList) {	×
250	log.info("ph: ", ph);	×
251	log.info("getParamName(ph): ", getParamName(ph));	×
252	if (isMultiPlaceholder(ph)) {	×
253	// TODO multi placeholders need proper documentation
254	List<String> val = parameters.getAll(getParamName(ph));	×
255	if (!isOptionalPlaceholder(ph) && val.isEmpty()) {	×
256	throw new InvalidGrlcSpecException("Missing value for non-optional placeholder: " + ph);	×
257	}
258	if (val.isEmpty()) {	×
259	expandedQueryContent = expandedQueryContent.replaceAll("values\\s\\?" + ph + "\\s\\{\\s\\}(\\s\\.)?", "");	×
260	continue;	×
261	}
262	String valueList = "";	×
263	for (String v : val) {	×
264	if (isIriPlaceholder(ph)) {	×
265	valueList += serializeIri(v) + " ";	×
266	} else {
267	valueList += serializeLiteral(v) + " ";	×
268	}
269	}	×
270	expandedQueryContent = expandedQueryContent.replaceAll("values\\s\\?" + ph + "\\s\\{\\s*\\}", "values ?" + ph + " { " + valueList + "}");	×
271	} else {	×
272	String val = parameters.get(getParamName(ph));	×
273	log.info("val: ", val);	×
274	if (!isOptionalPlaceholder(ph) && val == null) {	×
275	throw new InvalidGrlcSpecException("Missing value for non-optional placeholder: " + ph);	×
276	}
277	if (val == null) continue;	×
278	if (isIriPlaceholder(ph)) {	×
279	expandedQueryContent = expandedQueryContent.replaceAll("\\?" + ph, serializeIri(val));	×
280	} else {
281	expandedQueryContent = expandedQueryContent.replaceAll("\\?" + ph, serializeLiteral(val));	×
282	}
283	}
284	}	×
285	log.info("Expanded grlc query:\n", expandedQueryContent);	×
286	return expandedQueryContent;	×
287	}
288
289	public static String escapeLiteral(String s) {
290	return s.replace("\\", "\\\\").replace("\n", "\\n").replace("\"", "\\\"");	11✔
291	}
292
293	public static boolean isOptionalPlaceholder(String placeholder) {
294	return placeholder.startsWith("__");	×
295	}
296
297	public static boolean isMultiPlaceholder(String placeholder) {
298	return placeholder.endsWith("_multi") \|\| placeholder.endsWith("_multi_iri");	×
299	}
300
301	public static boolean isIriPlaceholder(String placeholder) {
302	return placeholder.endsWith("_iri");	×
303	}
304
305	public static String getParamName(String placeholder) {
306	return placeholder.replaceFirst("^_+", "").replaceFirst("_iri$", "").replaceFirst("_multi$", "");	×
307	}
308
309	public static String serializeIri(String iriString) {
310	return "<" + iriString + ">";	×
311	}
312
313	public static String serializeLiteral(String literalString) {
314	return "\"" + escapeLiteral(literalString) + "\"";	×
315	}
316
317	}

knowledgepixels / nanopub-query / 17945178198

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