01: // Copyright 2007 The Apache Software Foundation
02: //
03: // Licensed under the Apache License, Version 2.0 (the "License");
04: // you may not use this file except in compliance with the License.
05: // You may obtain a copy of the License at
06: //
07: // http://www.apache.org/licenses/LICENSE-2.0
08: //
09: // Unless required by applicable law or agreed to in writing, software
10: // distributed under the License is distributed on an "AS IS" BASIS,
11: // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12: // See the License for the specific language governing permissions and
13: // limitations under the License.
14:
15: package org.apache.tapestry.util;
16:
17: import static org.apache.tapestry.ioc.internal.util.Defense.notBlank;
18: import static org.apache.tapestry.ioc.internal.util.Defense.notNull;
19:
20: import java.io.ByteArrayInputStream;
21: import java.io.IOException;
22: import java.io.InputStream;
23:
24: import org.apache.tapestry.StreamResponse;
25: import org.apache.tapestry.services.Response;
26:
27: public class TextStreamResponse implements StreamResponse {
28: private final String _contentType;
29:
30: private final String _text;
31:
32: public TextStreamResponse(final String contentType,
33: final String text) {
34: notBlank(contentType, "contentType");
35: notNull(text, "text");
36:
37: _contentType = contentType;
38: _text = text;
39: }
40:
41: public String getContentType() {
42: return _contentType;
43: }
44:
45: public InputStream getStream() throws IOException {
46: return new ByteArrayInputStream(_text.getBytes());
47: }
48:
49: public void prepareResponse(Response response) {
50: // No-op by default.
51: }
52:
53: }
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