01: /*
02: * Copyright (c) 2007, intarsys consulting GmbH
03: *
04: * Redistribution and use in source and binary forms, with or without
05: * modification, are permitted provided that the following conditions are met:
06: *
07: * - Redistributions of source code must retain the above copyright notice,
08: * this list of conditions and the following disclaimer.
09: *
10: * - Redistributions in binary form must reproduce the above copyright notice,
11: * this list of conditions and the following disclaimer in the documentation
12: * and/or other materials provided with the distribution.
13: *
14: * - Neither the name of intarsys nor the names of its contributors may be used
15: * to endorse or promote products derived from this software without specific
16: * prior written permission.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28: * POSSIBILITY OF SUCH DAMAGE.
29: */
30: package de.intarsys.pdf.st;
31:
32: import java.io.IOException;
33: import de.intarsys.pdf.parser.COSDocumentParser;
34: import de.intarsys.pdf.parser.COSLoadError;
35: import de.intarsys.pdf.parser.COSLoadException;
36: import de.intarsys.pdf.parser.COSLoadWarning;
37: import de.intarsys.tools.randomaccess.IRandomAccess;
38:
39: /**
40: * An abstract parser for the PDF XRef information.
41: *
42: */
43: public abstract class AbstractXRefParser {
44: private STDocument doc;
45:
46: private COSDocumentParser parser;
47:
48: public AbstractXRefParser(STDocument doc, COSDocumentParser parser) {
49: this .doc = doc;
50: this .parser = parser;
51: }
52:
53: protected STDocument getDoc() {
54: return doc;
55: }
56:
57: protected COSDocumentParser getParser() {
58: return parser;
59: }
60:
61: /**
62: * Parser the {@link STXRefSection} from the <code>randomAccess</code>.
63: *
64: * @param randomAcces
65: * @return The parsed {@link STXRefSection}
66: * @throws IOException
67: * @throws COSLoadException
68: */
69: abstract public STXRefSection parse(IRandomAccess randomAcces)
70: throws IOException, COSLoadException;
71:
72: protected void handleWarning(COSLoadWarning warning)
73: throws COSLoadException {
74: parser.handleWarning(warning);
75: }
76:
77: protected void handleError(COSLoadError error)
78: throws COSLoadException {
79: parser.handleError(error);
80: }
81: }
|