17795838363

Committed 17 Sep 2025 11:17AM UTC coverage: 70.444% (-1.0%) from 71.466%

Build # 17795838363

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push

github

Committed by

tkuhn

Commit Message

feat: Cover multi placeholders in OpenAPI spec

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206 of 318 branches covered (64.78%)

Branch coverage included in aggregate %.

571 of 785 relevant lines covered (72.74%)

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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;

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

knowledgepixels / nanopub-query / 17795838363

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