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: /* $Id$ */
19:
20: package org.apache.xmlgraphics.ps.dsc.events;
21:
22: /**
23: * Abstract base class for DSC events.
24: */
25: public abstract class AbstractEvent implements DSCEvent {
26:
27: /**
28: * @see org.apache.xmlgraphics.ps.dsc.events.DSCEvent#isComment()
29: */
30: public boolean isComment() {
31: return false;
32: }
33:
34: /**
35: * @see org.apache.xmlgraphics.ps.dsc.events.DSCEvent#isDSCComment()
36: */
37: public boolean isDSCComment() {
38: return false;
39: }
40:
41: /**
42: * @see org.apache.xmlgraphics.ps.dsc.events.DSCEvent#isHeaderComment()
43: */
44: public boolean isHeaderComment() {
45: return false;
46: }
47:
48: /**
49: * @see org.apache.xmlgraphics.ps.dsc.events.DSCEvent#isLine()
50: */
51: public boolean isLine() {
52: return false;
53: }
54:
55: /**
56: * @see org.apache.xmlgraphics.ps.dsc.events.DSCEvent#asDSCComment()
57: */
58: public DSCComment asDSCComment() {
59: throw new ClassCastException(this .getClass().getName());
60: }
61:
62: /**
63: * @see org.apache.xmlgraphics.ps.dsc.events.DSCEvent#asLine()
64: */
65: public PostScriptLine asLine() {
66: throw new ClassCastException(this.getClass().getName());
67: }
68:
69: }
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