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| 1 | +package org.codejive.jpm.search; |
| 2 | + |
| 3 | +import java.io.IOException; |
| 4 | +import java.util.List; |
| 5 | +import java.util.stream.Collectors; |
| 6 | +import org.apache.maven.search.api.MAVEN; |
| 7 | +import org.apache.maven.search.api.Record; |
| 8 | +import org.apache.maven.search.api.SearchRequest; |
| 9 | +import org.apache.maven.search.api.request.BooleanQuery; |
| 10 | +import org.apache.maven.search.api.request.FieldQuery; |
| 11 | +import org.apache.maven.search.api.request.Paging; |
| 12 | +import org.apache.maven.search.api.request.Query; |
| 13 | +import org.apache.maven.search.backend.smo.SmoSearchBackend; |
| 14 | +import org.apache.maven.search.backend.smo.SmoSearchBackendFactory; |
| 15 | +import org.apache.maven.search.backend.smo.SmoSearchResponse; |
| 16 | +import org.eclipse.aether.artifact.DefaultArtifact; |
| 17 | + |
| 18 | +public class SearchSmoApiImpl implements Search { |
| 19 | + private final SmoSearchBackend backend; |
| 20 | + |
| 21 | + public static Search createSmo() { |
| 22 | + return new SearchSmoApiImpl(SmoSearchBackendFactory.createSmo()); |
| 23 | + } |
| 24 | + |
| 25 | + public static Search createCsc() { |
| 26 | + return new SearchSmoApiImpl(SmoSearchBackendFactory.createCsc()); |
| 27 | + } |
| 28 | + |
| 29 | + private SearchSmoApiImpl(SmoSearchBackend backend) { |
| 30 | + this.backend = backend; |
| 31 | + } |
| 32 | + |
| 33 | + @Override |
| 34 | + public SearchResult findArtifacts(String query, int count) throws IOException { |
| 35 | + return select(query, 0, count); |
| 36 | + } |
| 37 | + |
| 38 | + @Override |
| 39 | + public SearchResult findNextArtifacts(SearchResult prevResult) throws IOException { |
| 40 | + return select(prevResult.query, prevResult.start + 1, prevResult.count); |
| 41 | + } |
| 42 | + |
| 43 | + private SearchResult select(String query, int start, int count) throws IOException { |
| 44 | + String[] parts = query.split(":", -1); |
| 45 | + Query q; |
| 46 | + if (parts.length >= 3) { |
| 47 | + // Exact group/artifact match for retrieving versions |
| 48 | + q = |
| 49 | + BooleanQuery.and( |
| 50 | + FieldQuery.fieldQuery(MAVEN.GROUP_ID, parts[0]), |
| 51 | + FieldQuery.fieldQuery(MAVEN.ARTIFACT_ID, parts[1])); |
| 52 | + } else if (parts.length == 2) { |
| 53 | + // Partial group/artifact match, we will filter the results |
| 54 | + // to remove those that match an inverted artifact/group |
| 55 | + q = Query.query(String.format("%s %s", parts[0], parts[1])); |
| 56 | + } else { |
| 57 | + // Simple partial match |
| 58 | + q = Query.query(query); |
| 59 | + } |
| 60 | + SearchRequest req = new SearchRequest(new Paging(count, start), q); |
| 61 | + SmoSearchResponse res = backend.search(req); |
| 62 | + List<DefaultArtifact> artifacts = |
| 63 | + res.getPage().stream() |
| 64 | + .filter(r -> acceptRecord(r, parts)) |
| 65 | + .map(SearchSmoApiImpl::toArtifact) |
| 66 | + .collect(Collectors.toList()); |
| 67 | + return new SearchResult( |
| 68 | + artifacts, |
| 69 | + query, |
| 70 | + req.getPaging().getPageOffset(), |
| 71 | + res.getCurrentHits(), |
| 72 | + res.getTotalHits()); |
| 73 | + } |
| 74 | + |
| 75 | + private static boolean acceptRecord(Record r, String[] parts) { |
| 76 | + String grp = r.getValue(MAVEN.GROUP_ID); |
| 77 | + String art = r.getValue(MAVEN.ARTIFACT_ID); |
| 78 | + String pkg = r.getValue(MAVEN.PACKAGING); |
| 79 | + return pkg != null |
| 80 | + && grp != null |
| 81 | + && art != null |
| 82 | + && (pkg.equals("jar") || pkg.equals("bundle")) |
| 83 | + && (parts.length != 2 || (grp.contains(parts[0]) && art.contains(parts[1]))); |
| 84 | + } |
| 85 | + |
| 86 | + private static DefaultArtifact toArtifact(Record r) { |
| 87 | + String grp = r.getValue(MAVEN.GROUP_ID); |
| 88 | + String art = r.getValue(MAVEN.ARTIFACT_ID); |
| 89 | + String ver = r.getValue(MAVEN.VERSION); |
| 90 | + return new DefaultArtifact(grp, art, "", ver); |
| 91 | + } |
| 92 | +} |
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