21143551066

Committed 19 Jan 2026 03:44PM UTC coverage: 18.779% (+1.2%) from 17.551%

Build # 21143551066

Build Type

push

github

Committed by

ashleycaselli

Commit Message

docs(Utils): add missing Javadoc annotations

Run Details

96 of 586 branches covered (16.38%)

Branch coverage included in aggregate %.

350 of 1789 relevant lines covered (19.56%)

3.59 hits per line

Source File
Press 'n' to go to next uncovered line, 'b' for previous

88.89

src/main/java/com/knowledgepixels/registry/Utils.java

package com.knowledgepixels.registry;

import com.github.jsonldjava.shaded.com.google.common.base.Charsets;
import com.github.jsonldjava.shaded.com.google.common.reflect.TypeToken;
import com.google.common.hash.Hashing;
import com.google.gson.Gson;
import com.google.gson.JsonIOException;
import com.google.gson.JsonSyntaxException;
import com.mongodb.client.ClientSession;
import io.vertx.ext.web.RoutingContext;
import net.trustyuri.TrustyUriUtils;
import org.apache.commons.lang.StringUtils;
import org.commonjava.mimeparse.MIMEParse;
import org.eclipse.rdf4j.common.exception.RDF4JException;
import org.eclipse.rdf4j.model.IRI;
import org.eclipse.rdf4j.model.Resource;
import org.eclipse.rdf4j.model.Statement;
import org.eclipse.rdf4j.model.util.Values;
import org.nanopub.MalformedNanopubException;
import org.nanopub.Nanopub;
import org.nanopub.NanopubImpl;
import org.nanopub.NanopubUtils;
import org.nanopub.extra.setting.NanopubSetting;
import org.nanopub.vocabulary.NPX;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.lang.reflect.Type;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.*;

/**
 * Utility class for the Nanopub Registry.
 */
public class Utils {

    private static final Logger logger = LoggerFactory.getLogger(Utils.class);

    private Utils() {
    }  // no instances allowed

    public static String getMimeType(RoutingContext context, String supported) {
        List<String> supportedList = Arrays.asList(StringUtils.split(supported, ','));
        String mimeType = supportedList.getFirst();
        try {
            mimeType = MIMEParse.bestMatch(supportedList, context.request().getHeader("Accept"));
        } catch (Exception ex) {
            logger.error("Error parsing Accept header.", ex);
        }
        return mimeType;
    }

    public static String urlEncode(Object o) {
        return URLEncoder.encode((o == null ? "" : o.toString()), StandardCharsets.UTF_8);
    }

    public static String getHash(String s) {
        return Hashing.sha256().hashString(s, Charsets.UTF_8).toString();
    }

    /**
     * Get the IDs of nanopublications invalidated by the given nanopublication.
     *
     * @param np the nanopublication to check
     * @return a set of IRI IDs of invalidated nanopublications
     */
    public static Set<IRI> getInvalidatedNanopubIds(Nanopub np) {
        Set<IRI> invalidatedNanopubs = new HashSet<>();
        for (Statement st : NanopubUtils.getStatements(np)) {
            if (!(st.getObject() instanceof IRI)) continue;
            Resource subject = st.getSubject();
            IRI predicate = st.getPredicate();
            if ((predicate.equals(NPX.RETRACTS) || predicate.equals(NPX.INVALIDATES)) || (predicate.equals(NPX.SUPERSEDES) && subject.equals(np.getUri()))) {
                if (TrustyUriUtils.isPotentialTrustyUri(st.getObject().stringValue())) {
                    invalidatedNanopubs.add((IRI) st.getObject());
                }
            }
        }
        return invalidatedNanopubs;
    }

    private static ReadsEnvironment ENV_READER = new ReadsEnvironment(System::getenv);

    /**
     * Set the environment reader (used for testing purposes).
     *
     * @param reader the environment reader to set
     */
    static void setEnvReader(ReadsEnvironment reader) {
        ENV_READER = reader;
    }

    /**
     * Get an environment variable, returning a default value if not set.
     *
     * @param name         the name of the environment variable
     * @param defaultValue the default value to return if the variable is not set
     * @return the value of the environment variable, or the default value if not set
     */
    public static String getEnv(String name, String defaultValue) {
        logger.info("Retrieving environment variable: {}", name);
        String value = ENV_READER.getEnv(name);
        if (value == null) {
            value = defaultValue;
            logger.info("The variable: {} is not set. Using default value: {}", name, defaultValue);
        }
        return value;
    }

    /**
     * Get the type hash for a given type, recording it in the database if necessary.
     *
     * @param mongoSession the MongoDB client session
     * @param type         the type to get the hash for
     * @return the type hash
     */
    public static String getTypeHash(ClientSession mongoSession, Object type) {
        String typeHash = Utils.getHash(type.toString());
        if (type.toString().equals("$")) {
            typeHash = "$";
        } else {
            RegistryDB.recordHash(mongoSession, type.toString());
        }
        return typeHash;
    }

    /**
     * Get a label for an agent ID, truncating if necessary.
     *
     * @param agentId the agent ID
     * @return the agent label
     */
    public static String getAgentLabel(String agentId) {
        if (agentId == null || agentId.isBlank()) {
            throw new IllegalArgumentException("Agent ID cannot be null or blank");
        }
        agentId = agentId.replaceFirst("^https://orcid\\.org/", "orcid:");
        if (agentId.length() > 55) {
            return agentId.substring(0, 50) + "...";
        }
        return agentId;
    }

    /**
     * Check if the given status indicates an unloaded entry.
     *
     * @param status the status to check
     * @return true if the status indicates an unloaded entry, false otherwise
     */
    public static boolean isUnloadedStatus(String status) {
        if (status.equals(EntryStatus.seen.getValue())) return true;  // only exists in "accounts_loading"?
        return status.equals(EntryStatus.skipped.getValue());
    }

    /**
     * Check if the given status indicates a core loaded entry.
     *
     * @param status the status to check
     * @return true if the status indicates a core loaded entry, false otherwise
     */
    public static boolean isCoreLoadedStatus(String status) {
        if (status.equals(EntryStatus.visited.getValue())) return true;  // only exists in "accounts_loading"?
        if (status.equals(EntryStatus.expanded.getValue())) return true;  // only exists in "accounts_loading"?
        if (status.equals(EntryStatus.processed.getValue())) return true;  // only exists in "accounts_loading"?
        if (status.equals(EntryStatus.aggregated.getValue())) return true;  // only exists in "accounts_loading"?
        if (status.equals(EntryStatus.approved.getValue())) return true;  // only exists in "accounts_loading"?
        if (status.equals(EntryStatus.contested.getValue())) return true;
        if (status.equals(EntryStatus.toLoad.getValue())) return true;  // only exists in "accounts_loading"?
        return status.equals(EntryStatus.loaded.getValue());
    }

    /**
     * Check if the given status indicates a fully loaded entry.
     *
     * @param status the status to check
     * @return true if the status indicates a fully loaded entry, false otherwise
     */
    public static boolean isFullyLoadedStatus(String status) {
        return status.equals(EntryStatus.loaded.getValue());
    }

    public static final IRI APPROVES_OF = Values.iri("http://purl.org/nanopub/x/approvesOf");

    public static final String TYPE_JSON = "application/json";
    public static final String TYPE_TRIG = "application/trig";
    public static final String TYPE_JELLY = "application/x-jelly-rdf";
    public static final String TYPE_JSONLD = "application/ld+json";
    public static final String TYPE_NQUADS = "application/n-quads";
    public static final String TYPE_TRIX = "application/trix";
    public static final String TYPE_HTML = "text/html";

    // Content types supported on a ListPage
    public static final String SUPPORTED_TYPES_LIST = TYPE_JSON + "," + TYPE_JELLY + "," + TYPE_HTML;
    // Content types supported on a NanopubPage
    public static final String SUPPORTED_TYPES_NANOPUB = TYPE_TRIG + "," + TYPE_JELLY + "," + TYPE_JSONLD + "," + TYPE_NQUADS + "," + TYPE_TRIX + "," + TYPE_HTML;

    private static Map<String, String> extensionTypeMap;

    /**
     * Get the type corresponding to a given file extension.
     *
     * @param extension the file extension
     * @return the corresponding MIME type, or null if not found
     */
    public static String getType(String extension) {
        if (extension == null) {
            return null;
        }
        if (extensionTypeMap == null) {
            extensionTypeMap = new HashMap<>();
            extensionTypeMap.put("trig", TYPE_TRIG);
            extensionTypeMap.put("jelly", TYPE_JELLY);
            extensionTypeMap.put("jsonld", TYPE_JSONLD);
            extensionTypeMap.put("nq", TYPE_NQUADS);
            extensionTypeMap.put("xml", TYPE_TRIX);
            extensionTypeMap.put("html", TYPE_HTML);
            extensionTypeMap.put("json", TYPE_JSON);
        }
        return extensionTypeMap.get(extension);
    }

    private static List<String> peerUrls;

    /**
     * Get the list of peer registry URLs.
     *
     * @return the list of peer registry URLs
     */
    public static List<String> getPeerUrls() {
        if (peerUrls == null) {
            peerUrls = new ArrayList<>();
            String envPeerUrls = getEnv("REGISTRY_PEER_URLS", "");
            String thisRegistryUrl = getEnv("REGISTRY_SERVICE_URL", "");
            if (!envPeerUrls.isEmpty()) {
                for (String peerUrl : envPeerUrls.split(";")) {
                    if (thisRegistryUrl.equals(peerUrl)) {
                        continue;
                    }
                    peerUrls.add(peerUrl);
                }
            } else {
                NanopubSetting setting;
                try {
                    setting = getSetting();
                } catch (MalformedNanopubException | IOException ex) {
                    logger.error("Error loading registry setting: {}", ex.getMessage());
                    throw new RuntimeException(ex);
                }
                for (IRI iri : setting.getBootstrapServices()) {
                    String peerUrl = iri.stringValue();
                    if (thisRegistryUrl.equals(peerUrl)) {
                        continue;
                    }
                    peerUrls.add(peerUrl);
                }
            }
        }
        return peerUrls;
    }

    private static volatile NanopubSetting settingNp;

    /**
     * Get the nanopublication setting.
     *
     * @return the nanopublication setting
     * @throws RDF4JException            if there is an error retrieving the setting
     * @throws MalformedNanopubException if the setting nanopublication is malformed
     * @throws IOException               if there is an I/O error
     */
    public static NanopubSetting getSetting() throws RDF4JException, MalformedNanopubException, IOException {
        if (settingNp == null) {
            synchronized (Utils.class) {
                if (settingNp == null) {
                    String settingPath = getEnv("REGISTRY_SETTING_FILE", "/data/setting.trig");
                    settingNp = new NanopubSetting(new NanopubImpl(new File(settingPath)));
                }
            }
        }
        return settingNp;
    }

    /**
     * Get a random peer registry URL.
     *
     * @return a random peer registry URL
     * @throws RDF4JException if there is an error retrieving the peer URLs
     */
    public static String getRandomPeer() throws RDF4JException {
        List<String> peerUrls = getPeerUrls();
        return peerUrls.get(random.nextInt(peerUrls.size()));
    }

    private static final Random random = new Random();

    /**
     * Get the random number generator.
     *
     * @return the random number generator
     */
    public static Random getRandom() {
        return random;
    }

    private static final Gson g = new Gson();
    private static Type listType = new TypeToken<List<String>>() {
    }.getType();

    /**
     * Retrieve a list of strings from a JSON URL.
     *
     * @param url the URL to retrieve the JSON from
     * @return the list of strings
     * @throws JsonIOException     if there is an error reading the JSON
     * @throws JsonSyntaxException if the JSON syntax is invalid
     * @throws IOException         if there is an I/O error
     * @throws URISyntaxException  if the URL syntax is invalid
     */
    public static List<String> retrieveListFromJsonUrl(String url) throws JsonIOException, JsonSyntaxException, IOException, URISyntaxException {
        return g.fromJson(new InputStreamReader(new URI(url).toURL().openStream()), listType);
    }

}

1	package com.knowledgepixels.registry;
2
3	import com.github.jsonldjava.shaded.com.google.common.base.Charsets;
4	import com.github.jsonldjava.shaded.com.google.common.reflect.TypeToken;
5	import com.google.common.hash.Hashing;
6	import com.google.gson.Gson;
7	import com.google.gson.JsonIOException;
8	import com.google.gson.JsonSyntaxException;
9	import com.mongodb.client.ClientSession;
10	import io.vertx.ext.web.RoutingContext;
11	import net.trustyuri.TrustyUriUtils;
12	import org.apache.commons.lang.StringUtils;
13	import org.commonjava.mimeparse.MIMEParse;
14	import org.eclipse.rdf4j.common.exception.RDF4JException;
15	import org.eclipse.rdf4j.model.IRI;
16	import org.eclipse.rdf4j.model.Resource;
17	import org.eclipse.rdf4j.model.Statement;
18	import org.eclipse.rdf4j.model.util.Values;
19	import org.nanopub.MalformedNanopubException;
20	import org.nanopub.Nanopub;
21	import org.nanopub.NanopubImpl;
22	import org.nanopub.NanopubUtils;
23	import org.nanopub.extra.setting.NanopubSetting;
24	import org.nanopub.vocabulary.NPX;
25	import org.slf4j.Logger;
26	import org.slf4j.LoggerFactory;
27
28	import java.io.File;
29	import java.io.IOException;
30	import java.io.InputStreamReader;
31	import java.lang.reflect.Type;
32	import java.net.URI;
33	import java.net.URISyntaxException;
34	import java.net.URLEncoder;
35	import java.nio.charset.StandardCharsets;
36	import java.util.*;
37
38	/**
39	* Utility class for the Nanopub Registry.
40	*/
41	public class Utils {
42
43	private static final Logger logger = LoggerFactory.getLogger(Utils.class);	12✔
44
45	private Utils() {
46	} // no instances allowed
47
48	public static String getMimeType(RoutingContext context, String supported) {
49	List<String> supportedList = Arrays.asList(StringUtils.split(supported, ','));	×
50	String mimeType = supportedList.getFirst();	×
51	try {
52	mimeType = MIMEParse.bestMatch(supportedList, context.request().getHeader("Accept"));	×
53	} catch (Exception ex) {	×
54	logger.error("Error parsing Accept header.", ex);	×
55	}	×
56	return mimeType;	×
57	}
58
59	public static String urlEncode(Object o) {
60	return URLEncoder.encode((o == null ? "" : o.toString()), StandardCharsets.UTF_8);	36✔
61	}
62
63	public static String getHash(String s) {
64	return Hashing.sha256().hashString(s, Charsets.UTF_8).toString();	24✔
65	}
66
67	/**
68	* Get the IDs of nanopublications invalidated by the given nanopublication.
69	*
70	* @param np the nanopublication to check
71	* @return a set of IRI IDs of invalidated nanopublications
72	*/
73	public static Set<IRI> getInvalidatedNanopubIds(Nanopub np) {
74	Set<IRI> invalidatedNanopubs = new HashSet<>();	16✔
75	for (Statement st : NanopubUtils.getStatements(np)) {	44✔
76	if (!(st.getObject() instanceof IRI)) continue;	20✔
77	Resource subject = st.getSubject();	12✔
78	IRI predicate = st.getPredicate();	12✔
79	if ((predicate.equals(NPX.RETRACTS) \|\| predicate.equals(NPX.INVALIDATES)) \|\| (predicate.equals(NPX.SUPERSEDES) && subject.equals(np.getUri()))) {	48!
80	if (TrustyUriUtils.isPotentialTrustyUri(st.getObject().stringValue())) {	20!
81	invalidatedNanopubs.add((IRI) st.getObject());	24✔
82	}
83	}
84	}	4✔
85	return invalidatedNanopubs;	8✔
86	}
87
88	private static ReadsEnvironment ENV_READER = new ReadsEnvironment(System::getenv);	20✔
89
90	/**
91	* Set the environment reader (used for testing purposes).
92	*
93	* @param reader the environment reader to set
94	*/
95	static void setEnvReader(ReadsEnvironment reader) {
96	ENV_READER = reader;	8✔
97	}	4✔
98
99	/**
100	* Get an environment variable, returning a default value if not set.
101	*
102	* @param name the name of the environment variable
103	* @param defaultValue the default value to return if the variable is not set
104	* @return the value of the environment variable, or the default value if not set
105	*/
106	public static String getEnv(String name, String defaultValue) {
107	logger.info("Retrieving environment variable: {}", name);	16✔
108	String value = ENV_READER.getEnv(name);	16✔
109	if (value == null) {	8✔
110	value = defaultValue;	8✔
111	logger.info("The variable: {} is not set. Using default value: {}", name, defaultValue);	20✔
112	}
113	return value;	8✔
114	}
115
116	/**
117	* Get the type hash for a given type, recording it in the database if necessary.
118	*
119	* @param mongoSession the MongoDB client session
120	* @param type the type to get the hash for
121	* @return the type hash
122	*/
123	public static String getTypeHash(ClientSession mongoSession, Object type) {
124	String typeHash = Utils.getHash(type.toString());	16✔
125	if (type.toString().equals("$")) {	20✔
126	typeHash = "$";	12✔
127	} else {
128	RegistryDB.recordHash(mongoSession, type.toString());	16✔
129	}
130	return typeHash;	8✔
131	}
132
133	/**
134	* Get a label for an agent ID, truncating if necessary.
135	*
136	* @param agentId the agent ID
137	* @return the agent label
138	*/
139	public static String getAgentLabel(String agentId) {
140	if (agentId == null \|\| agentId.isBlank()) {	20✔
141	throw new IllegalArgumentException("Agent ID cannot be null or blank");	20✔
142	}
143	agentId = agentId.replaceFirst("^https://orcid\\.org/", "orcid:");	20✔
144	if (agentId.length() > 55) {	16✔
145	return agentId.substring(0, 50) + "...";	24✔
146	}
147	return agentId;	8✔
148	}
149
150	/**
151	* Check if the given status indicates an unloaded entry.
152	*
153	* @param status the status to check
154	* @return true if the status indicates an unloaded entry, false otherwise
155	*/
156	public static boolean isUnloadedStatus(String status) {
157	if (status.equals(EntryStatus.seen.getValue())) return true; // only exists in "accounts_loading"?	28✔
158	return status.equals(EntryStatus.skipped.getValue());	20✔
159	}
160
161	/**
162	* Check if the given status indicates a core loaded entry.
163	*
164	* @param status the status to check
165	* @return true if the status indicates a core loaded entry, false otherwise
166	*/
167	public static boolean isCoreLoadedStatus(String status) {
168	if (status.equals(EntryStatus.visited.getValue())) return true; // only exists in "accounts_loading"?	28✔
169	if (status.equals(EntryStatus.expanded.getValue())) return true; // only exists in "accounts_loading"?	28✔
170	if (status.equals(EntryStatus.processed.getValue())) return true; // only exists in "accounts_loading"?	28✔
171	if (status.equals(EntryStatus.aggregated.getValue())) return true; // only exists in "accounts_loading"?	28✔
172	if (status.equals(EntryStatus.approved.getValue())) return true; // only exists in "accounts_loading"?	28✔
173	if (status.equals(EntryStatus.contested.getValue())) return true;	28✔
174	if (status.equals(EntryStatus.toLoad.getValue())) return true; // only exists in "accounts_loading"?	28✔
175	return status.equals(EntryStatus.loaded.getValue());	20✔
176	}
177
178	/**
179	* Check if the given status indicates a fully loaded entry.
180	*
181	* @param status the status to check
182	* @return true if the status indicates a fully loaded entry, false otherwise
183	*/
184	public static boolean isFullyLoadedStatus(String status) {
185	return status.equals(EntryStatus.loaded.getValue());	20✔
186	}
187
188	public static final IRI APPROVES_OF = Values.iri("http://purl.org/nanopub/x/approvesOf");	12✔
189
190	public static final String TYPE_JSON = "application/json";
191	public static final String TYPE_TRIG = "application/trig";
192	public static final String TYPE_JELLY = "application/x-jelly-rdf";
193	public static final String TYPE_JSONLD = "application/ld+json";
194	public static final String TYPE_NQUADS = "application/n-quads";
195	public static final String TYPE_TRIX = "application/trix";
196	public static final String TYPE_HTML = "text/html";
197
198	// Content types supported on a ListPage
199	public static final String SUPPORTED_TYPES_LIST = TYPE_JSON + "," + TYPE_JELLY + "," + TYPE_HTML;
200	// Content types supported on a NanopubPage
201	public static final String SUPPORTED_TYPES_NANOPUB = TYPE_TRIG + "," + TYPE_JELLY + "," + TYPE_JSONLD + "," + TYPE_NQUADS + "," + TYPE_TRIX + "," + TYPE_HTML;
202
203	private static Map<String, String> extensionTypeMap;
204
205	/**
206	* Get the type corresponding to a given file extension.
207	*
208	* @param extension the file extension
209	* @return the corresponding MIME type, or null if not found
210	*/
211	public static String getType(String extension) {
212	if (extension == null) {	8✔
213	return null;	8✔
214	}
215	if (extensionTypeMap == null) {	8✔
216	extensionTypeMap = new HashMap<>();	16✔
217	extensionTypeMap.put("trig", TYPE_TRIG);	20✔
218	extensionTypeMap.put("jelly", TYPE_JELLY);	20✔
219	extensionTypeMap.put("jsonld", TYPE_JSONLD);	20✔
220	extensionTypeMap.put("nq", TYPE_NQUADS);	20✔
221	extensionTypeMap.put("xml", TYPE_TRIX);	20✔
222	extensionTypeMap.put("html", TYPE_HTML);	20✔
223	extensionTypeMap.put("json", TYPE_JSON);	20✔
224	}
225	return extensionTypeMap.get(extension);	20✔
226	}
227
228	private static List<String> peerUrls;
229
230	/**
231	* Get the list of peer registry URLs.
232	*
233	* @return the list of peer registry URLs
234	*/
235	public static List<String> getPeerUrls() {
236	if (peerUrls == null) {	8✔
237	peerUrls = new ArrayList<>();	16✔
238	String envPeerUrls = getEnv("REGISTRY_PEER_URLS", "");	16✔
239	String thisRegistryUrl = getEnv("REGISTRY_SERVICE_URL", "");	16✔
240	if (!envPeerUrls.isEmpty()) {	12✔
241	for (String peerUrl : envPeerUrls.split(";")) {	76✔
242	if (thisRegistryUrl.equals(peerUrl)) {	16!
243	continue;	×
244	}
245	peerUrls.add(peerUrl);	16✔
246	}
247	} else {
248	NanopubSetting setting;
249	try {
250	setting = getSetting();	8✔
251	} catch (MalformedNanopubException \| IOException ex) {	4✔
252	logger.error("Error loading registry setting: {}", ex.getMessage());	20✔
253	throw new RuntimeException(ex);	20✔
254	}	4✔
255	for (IRI iri : setting.getBootstrapServices()) {	44✔
256	String peerUrl = iri.stringValue();	12✔
257	if (thisRegistryUrl.equals(peerUrl)) {	16!
258	continue;	×
259	}
260	peerUrls.add(peerUrl);	16✔
261	}	4✔
262	}
263	}
264	return peerUrls;	8✔
265	}
266
267	private static volatile NanopubSetting settingNp;
268
269	/**
270	* Get the nanopublication setting.
271	*
272	* @return the nanopublication setting
273	* @throws RDF4JException if there is an error retrieving the setting
274	* @throws MalformedNanopubException if the setting nanopublication is malformed
275	* @throws IOException if there is an I/O error
276	*/
277	public static NanopubSetting getSetting() throws RDF4JException, MalformedNanopubException, IOException {
278	if (settingNp == null) {	8✔
279	synchronized (Utils.class) {	16✔
280	if (settingNp == null) {	8!
281	String settingPath = getEnv("REGISTRY_SETTING_FILE", "/data/setting.trig");	16✔
282	settingNp = new NanopubSetting(new NanopubImpl(new File(settingPath)));	44✔
283	}
284	}	12✔
285	}
286	return settingNp;	8✔
287	}
288
289	/**
290	* Get a random peer registry URL.
291	*
292	* @return a random peer registry URL
293	* @throws RDF4JException if there is an error retrieving the peer URLs
294	*/
295	public static String getRandomPeer() throws RDF4JException {
296	List<String> peerUrls = getPeerUrls();	8✔
297	return peerUrls.get(random.nextInt(peerUrls.size()));	32✔
298	}
299
300	private static final Random random = new Random();	16✔
301
302	/**
303	* Get the random number generator.
304	*
305	* @return the random number generator
306	*/
307	public static Random getRandom() {
308	return random;	8✔
309	}
310
311	private static final Gson g = new Gson();	16✔
312	private static Type listType = new TypeToken<List<String>>() {	28✔
313	}.getType();	8✔
314
315	/**
316	* Retrieve a list of strings from a JSON URL.
317	*
318	* @param url the URL to retrieve the JSON from
319	* @return the list of strings
320	* @throws JsonIOException if there is an error reading the JSON
321	* @throws JsonSyntaxException if the JSON syntax is invalid
322	* @throws IOException if there is an I/O error
323	* @throws URISyntaxException if the URL syntax is invalid
324	*/
325	public static List<String> retrieveListFromJsonUrl(String url) throws JsonIOException, JsonSyntaxException, IOException, URISyntaxException {
326	return g.fromJson(new InputStreamReader(new URI(url).toURL().openStream()), listType);	×
327	}
328
329	}

knowledgepixels / nanopub-registry / 21143551066

Source File Press 'n' to go to next uncovered line, 'b' for previous

Source File
Press 'n' to go to next uncovered line, 'b' for previous