01: /**
02: * ===========================================
03: * JFreeReport : a free Java reporting library
04: * ===========================================
05: *
06: * Project Info: http://reporting.pentaho.org/
07: *
08: * (C) Copyright 2001-2007, by Object Refinery Ltd, Pentaho Corporation and Contributors.
09: *
10: * This library is free software; you can redistribute it and/or modify it under the terms
11: * of the GNU Lesser General Public License as published by the Free Software Foundation;
12: * either version 2.1 of the License, or (at your option) any later version.
13: *
14: * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
15: * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16: * See the GNU Lesser General Public License for more details.
17: *
18: * You should have received a copy of the GNU Lesser General Public License along with this
19: * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20: * Boston, MA 02111-1307, USA.
21: *
22: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
23: * in the United States and other countries.]
24: *
25: * ------------
26: * GIFImageFactoryModule.java
27: * ------------
28: * (C) Copyright 2001-2007, by Object Refinery Ltd, Pentaho Corporation and Contributors.
29: */package org.jfree.report.resourceloader;
30:
31: import java.awt.Image;
32: import java.awt.Toolkit;
33: import java.io.IOException;
34:
35: import org.jfree.report.util.StringUtil;
36:
37: public class GIFImageFactoryModule implements ImageFactoryModule {
38: private static final byte[] GIF_ID = { (byte) 'G', (byte) 'I',
39: (byte) 'F', (byte) '8' };
40:
41: private static final String[] MIMETYPES = { "image/gif",
42: "image/x-xbitmap", "image/gi_" };
43:
44: public GIFImageFactoryModule() {
45: }
46:
47: public boolean canHandleResourceByContent(final byte[] content) {
48: for (int i = 0; i < GIF_ID.length; i++) {
49: if (GIF_ID[i] != content[i]) {
50: return false;
51: }
52: }
53: return true;
54: }
55:
56: public boolean canHandleResourceByName(final String name) {
57: return (StringUtil.endsWithIgnoreCase(name, ".gif"));
58: }
59:
60: public Image createImage(final byte[] imageData,
61: final String fileName, final String mimeType)
62: throws IOException {
63: return Toolkit.getDefaultToolkit().createImage(imageData);
64: }
65:
66: public boolean canHandleResourceByMimeType(final String name) {
67: for (int i = 0; i < MIMETYPES.length; i++) {
68: if (name.equals(MIMETYPES[i])) {
69: return true;
70: }
71: }
72: return false;
73: }
74:
75: public int getHeaderFingerprintSize() {
76: return GIF_ID.length;
77: }
78: }
|