[EAT-101] Add metadataURL overwrite support

v2.1.3
- Fixed bug with Cache database. The expired entries were not deleted because of DB FK relation violated, making location search slower and slower as people use the AtlasMapper.

pom.xml

@@ -25,7 +25,7 @@
     <groupId>au.gov.aims</groupId>
     <artifactId>atlasmapper</artifactId>
     <packaging>war</packaging>
-    <version>2.1.2</version>
+    <version>2.1.3</version>
     <name>AtlasMapper server and clients</name>
     <description>This application compiled as a single War, that can be deployed in Tomcat, without any other dependency.\n\
 It contains:\n\

src/main/java/au/gov/aims/atlasmapperserver/cache/CacheDatabase.java

@@ -280,6 +280,8 @@ public synchronized void delete(URL url) throws SQLException {
             throw new IllegalArgumentException("URL is null.");
         }
 
+        this.deleteCacheUsage(url.toString());
+
         String deleteQuery = "DELETE FROM cache WHERE url = ?";
 
         PreparedStatement deletePreparedStatement = null;
@@ -308,13 +310,34 @@ public synchronized void deleteExpired() throws SQLException {
             throw new IllegalStateException("Database connection is closed.");
         }
 
+        long now = CacheEntry.getCurrentTimestamp();
+
+        String deleteCacheUsageQuery = "DELETE FROM cacheUsage WHERE url IN " +
+            "(SELECT DISTINCT c.url FROM cache c WHERE expiryTimestamp < ?)";
+
+        PreparedStatement deleteCacheUsageStmt = null;
+        try {
+            deleteCacheUsageStmt = this.connection.prepareStatement(deleteCacheUsageQuery);
+            deleteCacheUsageStmt.setLong(1, now);
+            deleteCacheUsageStmt.executeUpdate();
+        } finally {
+            if (deleteCacheUsageStmt != null) {
+                try {
+                    deleteCacheUsageStmt.close();
+                } catch(SQLException ex) {
+                    LOGGER.log(Level.SEVERE, String.format("Can not close the delete expired cache usage statement: %s",
+                            Utils.getExceptionMessage(ex)), ex);
+                }
+            }
+        }
+
         String deleteQuery = "DELETE FROM cache " +
             "WHERE expiryTimestamp < ?";
 
         PreparedStatement deletePreparedStatement = null;
         try {
             deletePreparedStatement = this.connection.prepareStatement(deleteQuery);
-            deletePreparedStatement.setLong(1, CacheEntry.getCurrentTimestamp());
+            deletePreparedStatement.setLong(1, now);
 
             deletePreparedStatement.executeUpdate();
         } finally {
@@ -502,6 +525,26 @@ private void saveCacheUsage(URL url, Set<String> usage) throws SQLException {
         }
     }
 
+    private void deleteCacheUsage(String urlStr) throws SQLException {
+        String deleteCacheUsageQuery = "DELETE FROM cacheUsage WHERE url = ?";
+
+        PreparedStatement deleteCacheUsageStmt = null;
+        try {
+            deleteCacheUsageStmt = this.connection.prepareStatement(deleteCacheUsageQuery);
+            deleteCacheUsageStmt.setString(1, urlStr);
+            deleteCacheUsageStmt.executeUpdate();
+        } finally {
+            if (deleteCacheUsageStmt != null) {
+                try {
+                    deleteCacheUsageStmt.close();
+                } catch(SQLException ex) {
+                    LOGGER.log(Level.SEVERE, String.format("Can not close the delete cache usage statement: %s",
+                            Utils.getExceptionMessage(ex)), ex);
+                }
+            }
+        }
+    }
+
     private void deleteCacheUsage(String urlStr, String entityId) throws SQLException {
         String deleteCacheUsageQuery = "DELETE FROM cacheUsage WHERE url = ? AND entityId = ?";
 

src/main/webapp/admin/manualOverrideDoc.html

@@ -70,6 +70,9 @@
             blockquote pre {
                 margin: 0;
             }
+            pre {
+                white-space: pre-wrap;
+            }
 
             #workflowDiv,
             #settingsDiv,