Source Code Cross Referenced for ACIF.java in  » 6.0-JDK-Modules » j2me » com » sun » satsa » acl » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » com.sun.satsa.acl 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         *   
003:         *
004:         * Copyright  1990-2007 Sun Microsystems, Inc. All Rights Reserved.
005:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
006:         * 
007:         * This program is free software; you can redistribute it and/or
008:         * modify it under the terms of the GNU General Public License version
009:         * 2 only, as published by the Free Software Foundation.
010:         * 
011:         * This program is distributed in the hope that it will be useful, but
012:         * WITHOUT ANY WARRANTY; without even the implied warranty of
013:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014:         * General Public License version 2 for more details (a copy is
015:         * included at /legal/license.txt).
016:         * 
017:         * You should have received a copy of the GNU General Public License
018:         * version 2 along with this work; if not, write to the Free Software
019:         * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
020:         * 02110-1301 USA
021:         * 
022:         * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
023:         * Clara, CA 95054 or visit www.sun.com if you need additional
024:         * information or have any questions.
025:         */
026:        package com.sun.satsa.acl;
027:
028:        import com.sun.satsa.util.*;
029:        import com.sun.satsa.util.pkcs15.*;
030:        import java.util.Vector;
031:        import java.io.IOException;
032:
033:        /**
034:         * This class represents the SATSA ACIF file abstraction
035:         */
036:        public class ACIF extends PKCS15File {
037:
038:            /** This vector contains parsed objects from ACIF. */
039:            private Vector ACIF;
040:            /** This vector contains the entries from the ACIF file */
041:            private Vector ACFs = new Vector();
042:
043:            /**
044:             * Creates AODF object for the pointed location and file system
045:             * @param location Location required location
046:             * @param files AclFileSystem requred file system
047:             */
048:            public ACIF(Location location, AclFileSystem files) {
049:                super (location, files);
050:            }
051:
052:            /**
053:             * Loads ACIF object from the file system
054:             * @throws IOException if I/O error occurs
055:             * @throws TLVException if TLV error occurs
056:             */
057:            public void load() throws IOException, TLVException {
058:                ACIF = new Vector();
059:                resetLoader(ACIF, null, null);
060:                parseDF(location.path);
061:                readACIF();
062:            }
063:
064:            /**
065:             * Reads ACIF data from the ACIF vector.
066:             * @throws IOException if I/O error occurs
067:             * @throws TLVException if TLV error occurs
068:             * <pre>
069:             * It is assumed that the ACIF file contains information about ACF files
070:             * in the following format:
071:             *   SEQUENCE {
072:             *     OCTET_STRING         // aid    (Optional)
073:             *     SEQUENCE {
074:             *       OCTET_STRING      // path
075:             *       INTEGER           // index
076:             *       CONTEXT_PRIMITIVE_0 {  ???
077:             *         INTEGER         // length
078:             *       }
079:             *     }
080:             *   }
081:             * </pre>
082:             */
083:            private void readACIF() throws IOException, TLVException {
084:                for (int i = 0; i < ACIF.size(); i++) {
085:                    ACF acf = new ACF();
086:                    TLV t = ((TLV) ACIF.elementAt(i)).child;
087:                    if (t.type == TLV.OCTETSTR_TYPE) { /* aid */
088:                        acf.setAID(t.getValue());
089:                        t = t.next;
090:                    }
091:                    if (t.type == TLV.SEQUENCE_TYPE) { /* location */
092:                        acf.setPath(files.pathToLocation(t));
093:                    }
094:                    ACFs.addElement(acf);
095:                }
096:            }
097:
098:            /**
099:             * Returns number of entries in the ACIF file
100:             * @return int
101:             */
102:            public int getACFCount() {
103:                return ACFs.size();
104:            }
105:
106:            /**
107:             * Returns AID of the pointed entry (ACF)
108:             * @param index int index of required entry
109:             * @return byte[] AID of the required entry
110:             */
111:            public byte[] getAID(int index) {
112:                return ((ACF) ACFs.elementAt(index)).getAID();
113:            }
114:
115:            /**
116:             * Returns location of the pointed ACF
117:             * @param index int index of the required ACF
118:             * @return Location of the required ACF
119:             */
120:            public Location getACFPath(int index) {
121:                return ((ACF) ACFs.elementAt(index)).getPath();
122:            }
123:
124:            /**
125:             * This class represents the entry of the ACIF file
126:             *
127:             */
128:            private class ACF {
129:                /** AID of the entry */
130:                private byte[] AID;
131:                /** location of the ACF */
132:                private Location location;
133:
134:                /**
135:                 * Sets AID for the entry
136:                 * @param aid byte[] required AID
137:                 */
138:                public void setAID(byte[] aid) {
139:                    AID = aid;
140:                }
141:
142:                /**
143:                 * Returns AID of the entry
144:                 * @return byte[] required AID
145:                 */
146:                public byte[] getAID() {
147:                    return AID;
148:                }
149:
150:                /**
151:                 * Sets location for the entry
152:                 * @param location Location required location
153:                 */
154:                public void setPath(Location location) {
155:                    this .location = location;
156:                }
157:
158:                /**
159:                 * Returns location of the entry
160:                 * @return Location
161:                 */
162:                public Location getPath() {
163:                    return location;
164:                }
165:            }
166:        }
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