01: /*
02: * Copyright 2007 Outerthought bvba and Schaubroeck nv
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: package org.outerj.daisy.diff.tag;
17:
18: /**
19: * A unit of comparison between html files. An Atom can be equal to another
20: * while not having the same text (tag arguments). In that case the Atom will
21: * have internal identifiers that can be compared on a second level.
22: */
23: public interface Atom {
24:
25: public String getIdentifier();
26:
27: public boolean hasInternalIdentifiers();
28:
29: public String getInternalIdentifiers();
30:
31: public String getFullText();
32:
33: public boolean isValidAtom(String s);
34:
35: public boolean equalsIdentifier(Atom other);
36: }
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