01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package org.apache.jetspeed.ajax;
18:
19: import java.io.Reader;
20: import java.io.Writer;
21:
22: import org.apache.velocity.app.VelocityEngine;
23: import org.apache.velocity.context.Context;
24:
25: /**
26: * Response object used for AJAX services.
27: *
28: * @author <href a="mailto:weaver@apache.org">Scott T. Weaver</a>
29: *
30: */
31: public class AJAXResponseImpl implements AJAXResponse {
32:
33: private Context context;
34: private VelocityEngine engine;
35: private Reader template;
36: private Writer output;
37:
38: public AJAXResponseImpl(Context context, VelocityEngine engine,
39: Reader template, Writer output) {
40: this .context = context;
41: this .engine = engine;
42: this .template = template;
43: this .output = output;
44: }
45:
46: /* (non-Javadoc)
47: * @see org.apache.jetspeed.ajax.AJAXResponse#complete()
48: */
49: public void complete() throws AJAXException {
50: try {
51: engine
52: .evaluate(context, output, "AJAX processor",
53: template);
54: } catch (Exception e) {
55: throw new AJAXException(
56: "Failed to render velocity xml template: "
57: + e.getMessage(), e);
58: }
59:
60: }
61:
62: }
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