01: /*
02: * Copyright 1999,2004 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.apache.jasper.compiler.tagplugin;
18:
19: /**
20: * This interface is to be implemented by the plugin author, to supply
21: * an alternate implementation of the tag handlers. It can be used to
22: * specify the Java codes to be generated when a tag is invoked.
23: *
24: * An implementation of this interface must be registered in a file
25: * named "tagPlugins.xml" under WEB-INF.
26: */
27:
28: public interface TagPlugin {
29:
30: /**
31: * Generate codes for a custom tag.
32: * @param ctxt a TagPluginContext for accessing Jasper functions
33: */
34: void doTag(TagPluginContext ctxt);
35: }
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