01: /*
02: * Copyright 2008 Outerthought bvba and Schaubroeck nv
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
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: package org.outerj.daisy.repository;
17:
18: import java.io.InputStream;
19: import java.io.IOException;
20:
21: /**
22: * A PartDataSource which gets its data from an existing part. Useful
23: * for copying data between parts.
24: */
25: public class PartPartDataSource implements PartDataSource {
26: private Part part;
27:
28: public PartPartDataSource(Part part) {
29: this .part = part;
30: }
31:
32: public InputStream createInputStream() throws IOException,
33: RepositoryException {
34: return part.getDataStream();
35: }
36:
37: public long getSize() {
38: return part.getSize();
39: }
40: }
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