Source Code Cross Referenced for SystemSecurityHandler.java in  » PDF » jPod » de » intarsys » pdf » crypt » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » PDF » jPod » de.intarsys.pdf.crypt 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


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.crypt;
31:
32:        import de.intarsys.pdf.st.STDocument;
33:        import de.intarsys.tools.authenticate.IPasswordProvider;
34:
35:        /**
36:         * An abstract superclass for implementing the PDF standard security process.
37:         * 
38:         */
39:        abstract public class SystemSecurityHandler implements 
40:                ISystemSecurityHandler {
41:
42:            static public ISystemSecurityHandler create(
43:                    COSEncryption pEncryption) {
44:                int version = pEncryption.getVersion();
45:                if (version == 0) {
46:                    return new SystemSecurityHandlerV0(pEncryption);
47:                } else if (version == 1) {
48:                    return new SystemSecurityHandlerV1(pEncryption);
49:                } else if (version == 2) {
50:                    return new SystemSecurityHandlerV2(pEncryption);
51:                } else if (version == 3) {
52:                    return new SystemSecurityHandlerV3(pEncryption);
53:                } else if (version == 4) {
54:                    return new SystemSecurityHandlerV4(pEncryption);
55:                } else {
56:                    return new SystemSecurityHandlerV4(pEncryption);
57:                }
58:            }
59:
60:            private COSEncryption encryption;
61:
62:            private ISecurityHandler securityHandler;
63:
64:            protected SystemSecurityHandler(COSEncryption encryption) {
65:                this .encryption = encryption;
66:            }
67:
68:            public COSEncryption getEncryption() {
69:                return encryption;
70:            }
71:
72:            public ISecurityHandler getSecurityHandler() {
73:                return securityHandler;
74:            }
75:
76:            public void init(STDocument document, COSEncryption encryption)
77:                    throws COSSecurityException {
78:                securityHandler = SecurityHandlerFactory.get()
79:                        .getSecurityHandler(encryption);
80:                securityHandler.init(document, encryption);
81:            }
82:
83:            public void authenticate(IPasswordProvider passwordProvider)
84:                    throws COSSecurityException {
85:                securityHandler.authenticate(passwordProvider);
86:            }
87:        }
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