1 /**
2 * Copyright 2005-2013 The Kuali Foundation
3 *
4 * Licensed under the Educational Community License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.opensource.org/licenses/ecl2.php
9 *
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.kuali.rice.krms.framework.engine.expression;
17
18 /**
19 * Interface to extend to implement custom coerce of {@link String}s to an instance of the given type, when when validating
20 * {@link org.kuali.rice.krms.framework.engine.Proposition} {@link org.kuali.rice.krms.api.engine.Term}s
21 *
22 * @author Kuali Rice Team (rice.collab@kuali.org)
23 */
24 public interface StringCoercionExtension {
25
26 /**
27 * Can this StringCoercionExtension coerce the given type and value into an Object?
28 * @param type of Object to coerce to.
29 * @param value value to use for coerced type
30 * @return boolean true if this StringCoercionExtension can coerce this type and value
31 */
32 boolean canCoerce(String type, String value);
33
34 /**
35 * Returns an Object of the given type populated with the given value.
36 * @param type to coerce Object to
37 * @param value to coerce
38 * @return Object of given type with given value
39 */
40 Object coerce(String type, String value);
41 }