1 /**
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.creadur.whisker.app;
20
21 import java.io.IOException;
22 import java.io.InputStream;
23
24 /**
25 * A resource capable of being opened as a stream.
26 */
27 public abstract class StreamableResource {
28
29 /**
30 * Opens the resource as a stream.
31 * @return open resource, not null
32 * @throws IOException when resource cannot be opened as a stream
33 */
34 public abstract InputStream open() throws IOException;
35 }