teichmann@5835: package org.dive4elements.river.client.shared.model;
sascha@822: 
sascha@846: import java.util.ArrayList;
sascha@846: import java.util.List;
sascha@826: import java.util.Map;
sascha@826: import java.util.HashMap;
sascha@826: 
sascha@822: import java.io.Serializable;
sascha@822: 
sascha@822: public class ToLoad implements Serializable
sascha@822: {
felix@1352: 
felix@1352:     public class StringPair {
felix@1352:         public String first;
felix@1352:         public String second;
felix@1352:         public StringPair(String first, String second) {
felix@1352:             this.first = first;
felix@1352:             this.second = second;
felix@1352:         }
felix@1352:         public int hashCode() {
felix@1352:             return first.hashCode() + second.hashCode();
felix@1352:         }
felix@1352:         public boolean equals(StringPair other) {
felix@1352:             return (this.second.equals(other.second)) && (this.first.equals(other.first));
felix@1352:         }
felix@1352:     }
sascha@846:     public static final String SYNTHETIC_KEY = "key-";
sascha@846: 
felix@1352:     protected Map<String, Map<StringPair, ArtifactFilter>> artifacts;
sascha@826: 
sascha@831:     public ToLoad() {
felix@1352:         artifacts = new HashMap<String, Map<StringPair, ArtifactFilter>>();
sascha@822:     }
sascha@822: 
sascha@834:     public static final String uniqueKey(Map<?, ?> map) {
sascha@834:         int idx = map.size();
sascha@834: 
sascha@846:         String key = SYNTHETIC_KEY + idx;
sascha@834:         while (map.containsKey(key)) {
sascha@846:             key = SYNTHETIC_KEY + ++idx;
sascha@834:         }
sascha@834:         return key;
sascha@834:     }
sascha@834: 
sascha@831:     public void add(
sascha@831:         String artifactName,
sascha@831:         String factory,
sascha@831:         String out,
sascha@831:         String name,
felix@1352:         String ids,
felix@1352:         String displayName
sascha@831:     ) {
sascha@834:         if (artifactName == null) {
sascha@834:             artifactName = uniqueKey(artifacts);
sascha@834:         }
sascha@826: 
felix@1352:         Map<StringPair, ArtifactFilter> artifact = artifacts.get(artifactName);
sascha@826: 
sascha@831:         if (artifact == null) {
felix@1352:             artifact = new HashMap<StringPair, ArtifactFilter>();
sascha@831:             artifacts.put(artifactName, artifact);
sascha@826:         }
sascha@826: 
sascha@831:         ArtifactFilter filter = artifact.get(factory);
sascha@831:         if (filter == null) {
sascha@831:             filter = new ArtifactFilter(factory);
felix@1352:             artifact.put(new StringPair(factory, displayName), filter);
sascha@826:         }
sascha@822: 
sascha@837:         filter.add(out, name, ids);
sascha@822:     }
sascha@822: 
sascha@826:     public boolean isEmpty() {
sascha@831:         return artifacts.isEmpty();
sascha@822:     }
sascha@846: 
sascha@846:     public List<Recommendation> toRecommendations() {
sascha@846:         List<Recommendation> recommendations = new ArrayList<Recommendation>();
sascha@846: 
felix@1352:         for (Map.Entry<String, Map<StringPair, ArtifactFilter>> all:
sascha@846:             artifacts.entrySet()
sascha@846:         ) {
sascha@846:             String masterArtifact = all.getKey();
sascha@846: 
sascha@846:             if (masterArtifact.startsWith(SYNTHETIC_KEY)) { // system data
sascha@846:                 masterArtifact = null;
sascha@846:             }
sascha@846: 
felix@1352:             for (Map.Entry<StringPair, ArtifactFilter> entry:
sascha@846:                 all.getValue().entrySet()
sascha@846:             ) {
felix@1352:                 StringPair pair         = entry.getKey();
felix@1352:                 String factory = pair.first;
sascha@846:                 ArtifactFilter artifactFilter = entry.getValue();
sascha@846: 
sascha@846:                 String                ids;
sascha@846:                 Recommendation.Filter filter;
sascha@846: 
sascha@846:                 if (masterArtifact == null) { // system data
sascha@846:                     ids    = artifactFilter.collectIds();
sascha@846:                     filter = null;
sascha@846:                 }
sascha@846:                 else { // user specific
sascha@846:                     ids    = null;
sascha@846:                     filter = artifactFilter.toFilter();
sascha@846:                 }
sascha@846: 
sascha@846:                 Recommendation recommendation = new Recommendation(
sascha@846:                     factory, ids, masterArtifact, filter);
felix@1352:                 recommendation.setDisplayName(pair.second);
sascha@846: 
sascha@846:                 recommendations.add(recommendation);
sascha@846:             }
sascha@846:         }
sascha@846: 
sascha@846:         return recommendations;
sascha@846:     }
sascha@822: }
sascha@822: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :