01: // Copyright 2007 The Apache Software Foundation
02: //
03: // Licensed under the Apache License, Version 2.0 (the "License");
04: // you may not use this file except in compliance with the License.
05: // You may obtain a copy of the License at
06: //
07: // http://www.apache.org/licenses/LICENSE-2.0
08: //
09: // 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.tapestry.internal.parser;
16:
17: import org.apache.tapestry.ioc.Location;
18:
19: /**
20: * A block, used to enclose a chunk of template (including components) and control when or if the
21: * content is rendered.
22: */
23: public class BlockToken extends TemplateToken {
24: private final String _id;
25:
26: /**
27: * @param id
28: * the id of the block, or null for an anonymous block
29: * @param location
30: * of the block element
31: */
32: public BlockToken(String id, Location location) {
33: super (TokenType.BLOCK, location);
34:
35: _id = id;
36: }
37:
38: /** Returns the block's template-unique id, or null if the block element did not specify an id. */
39: public String getId() {
40: return _id;
41: }
42:
43: @Override
44: public String toString() {
45: return String.format("Block[%s]", _id == null ? "" : _id);
46: }
47: }
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