From: David ‘Bombe’ Roden <bombe@pterodactylus.net>
Date: Wed, 18 Apr 2012 21:39:47 +0000 (+0200)
Subject: Add method to load all artists.
X-Git-Url: https://git.pterodactylus.net/?p=demoscenemusic.git;a=commitdiff_plain;h=c9117016826126bebbac9f4bee9fa9a3839b87c7

Add method to load all artists.
---

diff --git a/src/main/java/net/pterodactylus/demoscenemusic/data/DataManager.java b/src/main/java/net/pterodactylus/demoscenemusic/data/DataManager.java
index a99b13d..ba2f61e 100644
--- a/src/main/java/net/pterodactylus/demoscenemusic/data/DataManager.java
+++ b/src/main/java/net/pterodactylus/demoscenemusic/data/DataManager.java
@@ -20,6 +20,7 @@ package net.pterodactylus.demoscenemusic.data;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.HashSet;
 import java.util.List;
 
@@ -50,6 +51,19 @@ public class DataManager {
 		this.database = database;
 	}
 
+	public Collection<Artist> getAllArtists() throws DatabaseException {
+		Query query = new Query(Type.SELECT, "ARTISTS");
+		query.addField(new Field("ARTISTS.*"));
+		query.addField(new Field("GROUP_ARTISTS.*"));
+		query.addField(new Field("GROUPS.*"));
+		query.addJoin(new Join(JoinType.INNER, "GROUP_ARTISTS", new Field("ARTISTS.ID"), new Field("GROUP_ARTISTS.ARTIST")));
+		query.addJoin(new Join(JoinType.INNER, "GROUPS", new Field("GROUP_ARTISTS.GROUP_"), new Field("GROUPS.ID")));
+		query.addOrderField(new OrderField(new Field("ARTISTS.ID")));
+		ArtistLoader artistLoader = new ArtistLoader();
+		database.process(query, artistLoader);
+		return artistLoader.all();
+	}
+
 	public Track trackById(String id) throws DatabaseException {
 		Query query = new Query(Type.SELECT, "TRACKS");
 		query.addField(new Field("TRACKS.*"));
@@ -114,4 +128,43 @@ public class DataManager {
 
 	}
 
+	private class ArtistLoader implements ResultProcessor {
+
+		private final List<Artist> artists = new ArrayList<Artist>();
+		private Artist artist;
+
+		public List<Artist> all() {
+			return artists;
+		}
+
+		//
+		// RESULTPROCESSOR METHODS
+		//
+
+		/**
+		 * {@inheritDoc}
+		 */
+		public void processResult(ResultSet resultSet) throws SQLException {
+			String artistId = resultSet.getString("ARTISTS.ID");
+			if ((artist == null) || (!artist.id().equals(artistId))) {
+				artist = new AbstractArtist(artistId) {
+
+					public void save() {
+					}
+
+				}.name(resultSet.getString("ARTISTS.NAME")).groups(new HashSet<Group>());
+				artists.add(artist);
+			}
+
+			Group group = new AbstractGroup(resultSet.getString("GROUPS.ID")) {
+
+				public void save() {
+				}
+
+			}.name(resultSet.getString("GROUPS.NAME")).url(resultSet.getString("GROUPS.URL"));
+			artist.groups().add(group);
+		}
+
+	}
+
 }
diff --git a/src/main/webapp/index.jsp b/src/main/webapp/index.jsp
deleted file mode 100644
index 9dff832..0000000
--- a/src/main/webapp/index.jsp
+++ /dev/null
@@ -1,7 +0,0 @@
-<jsp:include page="include/header.jsp">
-	<jsp:param name="title" value="Welcome"/>
-</jsp:include>
-
-<h1>Demoscene Music</h1>
-
-<jsp:include page="include/footer.jsp"/>