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:
027: package com.sun.midp.publickeystore;
028:
029: import java.io.*;
030: import java.util.*;
031:
032: /**
033: * A read-write serializable {@link PublicKeyStore}. This class is the base
034: * for {@link PublicKeyStoreBuilder}, and does not have any methods that
035: * depend on any Microediton specific classes so it can be used alone in a
036: * tool written with Standard Edition Java.
037: */
038: public class PublicKeyStoreBuilderBase extends PublicKeyStore {
039: /** Vecor of keys maintained as a list. */
040: private Vector keyList = new Vector();
041:
042: /**
043: * Constructs an empty read-write keystore.
044: */
045: public PublicKeyStoreBuilderBase() {
046: initPublicKeyStore(keyList);
047: };
048:
049: /**
050: * Constructs a read-write keystore from a serialized keystore created
051: * by this class.
052: * @param in stream to read a keystore serialized by
053: * {@link #serialize(OutputStream)} from
054: * @exception IOException if the key storage was corrupted
055: */
056: public PublicKeyStoreBuilderBase(InputStream in) throws IOException {
057: initPublicKeyStore(in, keyList);
058: }
059:
060: /**
061: * Constructs an read-write keystore.
062: *
063: * @param sharedKeyList shared key list
064: */
065: public PublicKeyStoreBuilderBase(Vector sharedKeyList) {
066: keyList = sharedKeyList;
067: initPublicKeyStore(keyList);
068: };
069:
070: /**
071: * Serializes the keystore to the given stream.
072: * @param out stream to serialize the keystore to
073: * @exception IOException is thrown, if an I/O error occurs
074: */
075: public void serialize(OutputStream out) throws IOException {
076: OutputStorage storage = new OutputStorage(out);
077: Enumeration e;
078: PublicKeyInfo keyInfo;
079:
080: e = keyList.elements();
081: while (e.hasMoreElements()) {
082: keyInfo = (PublicKeyInfo) e.nextElement();
083: putKeyInStorage(storage, keyInfo);
084: }
085: }
086:
087: /**
088: * Adds a public key.
089: *
090: * @param keyInfo the key to add
091: */
092: public synchronized void addKey(PublicKeyInfo keyInfo) {
093: keyList.addElement(keyInfo);
094: }
095:
096: /**
097: * Updates all of an key's information except for the security domain.
098: * information in the store.
099: *
100: * @param number key number of key 0 being the first
101: * @param newKeyInfo new key information
102: *
103: * @exception ArrayIndexOutOfBoundsException if an invalid number was
104: * given.
105: */
106: public synchronized void updateKey(int number,
107: PublicKeyInfo newKeyInfo) {
108: PublicKeyInfo oldKeyInfo;
109:
110: oldKeyInfo = getKey(number);
111:
112: newKeyInfo.setDomain(oldKeyInfo.getDomain());
113:
114: keyList.setElementAt(newKeyInfo, number);
115: }
116:
117: /**
118: * Deletes a public key from this keystore by number.
119: *
120: * @param number number of the key with 0 being the first.
121: *
122: * @exception ArrayIndexOutOfBoundsException if an invalid number was
123: * given.
124: */
125: public void deleteKey(int number) {
126: keyList.removeElementAt(number);
127: }
128:
129: /**
130: * Serializes every field with a tag.
131: * @param storage what to put the key in
132: * @param key key information object
133: */
134: private void putKeyInStorage(OutputStorage storage,
135: PublicKeyInfo key) throws java.io.IOException {
136: storage.writeValue(PublicKeyInfo.OWNER_TAG, key.getOwner());
137: storage.writeValue(PublicKeyInfo.NOT_BEFORE_TAG, key
138: .getNotBefore());
139: storage.writeValue(PublicKeyInfo.NOT_AFTER_TAG, key
140: .getNotAfter());
141: storage.writeValue(PublicKeyInfo.MODULUS_TAG, key.getModulus());
142: storage.writeValue(PublicKeyInfo.EXPONENT_TAG, key
143: .getExponent());
144: storage.writeValue(PublicKeyInfo.DOMAIN_TAG, key.getDomain());
145: storage.writeValue(PublicKeyInfo.ENABLED_TAG, key.isEnabled());
146: }
147: }
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