1 /*
2  * Copyright (C) 2010 Google Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.google.clearsilver.jsilver;
18 
19 import com.google.clearsilver.jsilver.data.Data;
20 import com.google.clearsilver.jsilver.exceptions.JSilverBadSyntaxException;
21 
22 import java.io.IOException;
23 
24 /**
25  * Loads data from resources.
26  */
27 public interface DataLoader {
28 
29   /**
30    * Create new Data instance, ready to be populated.
31    */
createData()32   Data createData();
33 
34   /**
35    * Loads data in Hierarchical Data Format (HDF) into an existing Data object.
36    */
loadData(final String dataFileName, Data output)37   void loadData(final String dataFileName, Data output) throws JSilverBadSyntaxException,
38       IOException;
39 
40   /**
41    * Loads data in Hierarchical Data Format (HDF) into a new Data object.
42    */
loadData(String dataFileName)43   Data loadData(String dataFileName) throws IOException;
44 }
45