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add search on IG registry to PackageClient

This commit is contained in:
Grahame Grieve 2020-10-01 11:00:31 +10:00
parent 46d1987cd0
commit 2e8953a81d
3 changed files with 51 additions and 29 deletions
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29
org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/npm/FilesystemPackageCacheManager.java
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@ -911,33 +911,4 @@ public class FilesystemPackageCacheManager extends BasePackageCacheManager imple
return false;
}
//public List<String> getUrls() throws IOException {
// if (allUrls == null)
// {
// IniFile ini = new IniFile(Utilities.path(cacheFolder, "packages.ini"));
// allUrls = new ArrayList<>();
// for (String s : ini.getPropertyNames("urls"))
// allUrls.add(ini.getStringProperty("urls", s));
// try {
// URL url = new URL("https://raw.githubusercontent.com/FHIR/ig-registry/master/fhir-ig-list.json?nocache=" + System.currentTimeMillis());
// HttpURLConnection connection = (HttpURLConnection) url.openConnection();
// connection.setRequestMethod("GET");
// InputStream json = connection.getInputStream();
// JsonObject packages = (JsonObject) new com.google.gson.JsonParser().parse(TextFile.streamToString(json));
// JsonArray guides = packages.getAsJsonArray("guides");
// for (JsonElement g : guides) {
// JsonObject gi = (JsonObject) g;
// if (gi.has("canonical"))
// if (!allUrls.contains(gi.get("canonical").getAsString()))
// allUrls.add(gi.get("canonical").getAsString());
// }
// } catch (Exception e) {
// System.out.println("Listing known Implementation Guides failed: "+e.getMessage());
// }
// }
// return allUrls;
//}
}

43
org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/npm/PackageClient.java
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@ -8,6 +8,7 @@ import org.hl7.fhir.utilities.TextFile;
import org.hl7.fhir.utilities.Utilities;
import org.hl7.fhir.utilities.VersionUtilities;
import org.hl7.fhir.utilities.json.JSONUtil;
import org.hl7.fhir.utilities.json.JsonTrackingParser;
import java.io.File;
import java.io.FileInputStream;
@ -223,4 +224,46 @@ public class PackageClient {
}
}
public List<PackageInfo> listFromRegistry(String name, String canonical, String fhirVersion) throws IOException {
List<PackageInfo> result = new ArrayList<>();
JsonObject packages = JsonTrackingParser.fetchJson("https://raw.githubusercontent.com/FHIR/ig-registry/master/fhir-ig-list.json?nocache=" + System.currentTimeMillis());
for (JsonObject o : JSONUtil.objects(packages, "guides")) {
if (o.has("canonical")) {
String id = JSONUtil.str(o, "npm-name");
String pname = JSONUtil.str(o, "name");
String pcanonical = JSONUtil.str(o, "canonical");
String description = JSONUtil.str(o, "description");
boolean ok = true;
if (ok && !Utilities.noString(name)) {
ok = (pname != null && pname.contains(name)) || (description != null && description.contains(name)) || (id != null && id.contains(name));
}
if (ok && !Utilities.noString(canonical)) {
ok = pcanonical.contains(canonical);
}
String version = null;
String fVersion = null;
String url = null;
if (ok) {
// if we can find something...
for (JsonObject e : JSONUtil.objects(o, "editions")) {
if (fhirVersion == null || fhirVersion.equals(JSONUtil.str(e, "fhir-version"))) {
String v = JSONUtil.str(e, "ig-version");
if (version == null || VersionUtilities.isThisOrLater(version, v)) {
version = v;
fVersion = e.getAsJsonArray("fhir-version").get(0).getAsString();
url = JSONUtil.str(e, "url");
}
}
}
}
if (version != null) {
result.add(new PackageInfo(id, version, fVersion, description, url, pcanonical));
}
}
}
return result;
}
}

8
org.hl7.fhir.utilities/src/test/java/org/hl7/fhir/utilities/tests/CachingPackageClientTests.java
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@ -104,4 +104,12 @@ public class CachingPackageClientTests {
List<PackageInfo> matches = client.getVersions("Simplifier.Core.STU3X");
Assertions.assertTrue(matches.size() == 0);
}
@Test
public void testRegistry() throws IOException {
CachingPackageClient client = new CachingPackageClient("http://packages.fhir.org/packages");
List<PackageInfo> matches1 = client.listFromRegistry(null, null, null);
List<PackageInfo> matches2 = client.listFromRegistry(null, null, "4.0.1");
Assertions.assertTrue(matches1.size() > matches2.size());
}
}