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:
18: package org.apache.jasper.runtime;
19:
20: import javax.servlet.jsp.JspContext;
21: import javax.servlet.jsp.PageContext;
22: import javax.servlet.jsp.tagext.JspFragment;
23: import javax.servlet.jsp.tagext.JspTag;
24:
25: /**
26: * Helper class from which all Jsp Fragment helper classes extend.
27: * This class allows for the emulation of numerous fragments within
28: * a single class, which in turn reduces the load on the class loader
29: * since there are potentially many JspFragments in a single page.
30: * <p>
31: * The class also provides various utility methods for JspFragment
32: * implementations.
33: *
34: * @author Mark Roth
35: */
36: public abstract class JspFragmentHelper extends JspFragment {
37:
38: protected int discriminator;
39: protected JspContext jspContext;
40: protected PageContext _jspx_page_context;
41: protected JspTag parentTag;
42:
43: public JspFragmentHelper(int discriminator, JspContext jspContext,
44: JspTag parentTag) {
45: this .discriminator = discriminator;
46: this .jspContext = jspContext;
47: this ._jspx_page_context = null;
48: if (jspContext instanceof PageContext) {
49: _jspx_page_context = (PageContext) jspContext;
50: }
51: this .parentTag = parentTag;
52: }
53:
54: public JspContext getJspContext() {
55: return this .jspContext;
56: }
57:
58: public JspTag getParentTag() {
59: return this.parentTag;
60: }
61:
62: }
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