Source code: org/apache/hivemind/schema/rules/PushContentRule.java
1 // Copyright 2005 The Apache Software Foundation
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // 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.hivemind.schema.rules;
16
17 import org.apache.hivemind.Element;
18 import org.apache.hivemind.schema.Rule;
19 import org.apache.hivemind.schema.SchemaProcessor;
20 import org.apache.hivemind.schema.Translator;
21
22 /**
23 * A rule that reads the element's content, passes it through the content translator, then pushes
24 * the result onto the processor stack.
25 *
26 * @since 1.1
27 * @author Knut Wannheden
28 */
29 public class PushContentRule extends BaseRule implements Rule
30 {
31 /**
32 * Uses the content translator to convert the element content into an object and pushes that
33 * object onto the processor stack.
34 */
35 public void begin(SchemaProcessor processor, Element element)
36 {
37 Translator t = processor.getContentTranslator();
38
39 String value = RuleUtils.processText(processor, element, element.getContent());
40
41 Object finalValue = t.translate(
42 processor.getContributingModule(),
43 Object.class,
44 value,
45 element.getLocation());
46
47 processor.push(finalValue);
48 }
49
50 /**
51 * Invokes {@link SchemaProcessor#pop()}.
52 */
53 public void end(SchemaProcessor processor, Element element)
54 {
55 processor.pop();
56 }
57 }