01: /*
02: * Copyright 2004 The Apache Software Foundation
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:
17: package org.jbpm.jpdl.el;
18:
19: /**
20: * <p>The interface to a map between EL function names and methods.</p>
21: *
22: * <p>Classes implementing this interface may, for instance, consult tag library
23: * information to resolve the map. </p>
24: *
25: * @since 2.0
26: */
27: public interface FunctionMapper {
28: /**
29: * Resolves the specified local name and prefix into a Java.lang.Method.
30: * Returns null if the prefix and local name are not found.
31: *
32: * @param prefix the prefix of the function, or "" if no prefix.
33: * @param localName the short name of the function
34: * @return the result of the method mapping. Null means no entry found.
35: **/
36: public java.lang.reflect.Method resolveFunction(String prefix,
37: String localName);
38: }
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