Research page - Unlocked buildings

* The research page now includes a list of buildings unlocked by each
technology when that technology is not in the "unknown" state.

legacyworlds-server-beans-technologies/src/main/java/com/deepclone/lw/beans/game/technologies/ResearchControllerBean.java

@@ -1,6 +1,7 @@
 package com.deepclone.lw.beans.game.technologies;
 
 
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
@@ -107,6 +108,8 @@ class ResearchControllerBean
 				tech.setName( translations.get( tech.getName( ) ) );
 				tech.setDescription( translations.get( tech.getDescription( ) ) );
 			}
+
+			tech.setBuildings( this.translateList( tech.getBuildings( ) , translations ) );
 		}
 
 		// Add reverse dependency identifiers
@@ -144,6 +147,7 @@ class ResearchControllerBean
 				identifiers.add( tech.getName( ) );
 				identifiers.add( tech.getDescription( ) );
 			}
+			identifiers.addAll( tech.getBuildings( ) );
 		}
 
 		try {
@@ -154,6 +158,29 @@ class ResearchControllerBean
 	}
 
 
+	/**
+	 * Translate a list of strings
+	 * 
+	 * <p>
+	 * This method fetches translations for a list of string identifiers.
+	 * 
+	 * @param input
+	 *            the list of strings to translate
+	 * @param translations
+	 *            the map of translations returned by {@link #getTranslationsFor(List, String)}
+	 * 
+	 * @return the translated list of strings
+	 */
+	private List< String > translateList( List< String > input , Map< String , String > translations )
+	{
+		ArrayList< String > result = new ArrayList< String >( input.size( ) );
+		for ( String str : input ) {
+			result.add( translations.get( str ) );
+		}
+		return result;
+	}
+
+
 	/**
 	 * Update research priorities
 	 * 

legacyworlds-server-beans-technologies/src/main/java/com/deepclone/lw/beans/game/technologies/ResearchRowMapper.java

@@ -57,13 +57,39 @@ class ResearchRowMapper
 			output.setCompletion( ratio );
 			output.setPriority( rs.getInt( "emptech_priority" ) );
 		}
-		
-		String dependencies = rs.getString( "technology_dependencies" );
-		if ( ! "".equals( dependencies ) ) {
-			output.setDependencies( dependencies.split( "," ) );
-		}
+
+		output.setDependencies( this.splitField( rs , "technology_dependencies" ) );
+		output.setBuildings( this.splitField( rs , "technology_buildings" ) );
 
 		return output;
 	}
 
+
+	/**
+	 * Extract a comma-separated field
+	 * 
+	 * <p>
+	 * This method accesses then extracts the contents of a comma-separated field (for example
+	 * dependencies or unlocked buildings).
+	 * 
+	 * @param rs
+	 *            the SQL result set
+	 * @param field
+	 *            the field's name
+	 * 
+	 * @return an array of strings containing the field's values
+	 * 
+	 * @throws SQLException
+	 *             if something goes wrong while accessing the field
+	 */
+	private String[] splitField( ResultSet rs , String field )
+			throws SQLException
+	{
+		String fValue = rs.getString( field );
+		if ( fValue == null || "".equals( fValue ) ) {
+			return new String[ 0 ];
+		}
+		return fValue.split( "," );
+	}
+
 }