| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /** |
| * @author Vladimir N. Molotkov, Stepan M. Mishura |
| * @version $Revision$ |
| */ |
| |
| package org.apache.harmony.security.asn1; |
| |
| import java.io.IOException; |
| import java.nio.charset.Charsets; |
| import java.text.SimpleDateFormat; |
| import java.util.Locale; |
| import java.util.TimeZone; |
| |
| /** |
| * This class represents ASN.1 GeneralizedTime type. |
| * |
| * @see http://asn1.elibel.tm.fr/en/standards/index.htm |
| */ |
| public final class ASN1GeneralizedTime extends ASN1Time { |
| |
| // default implementation |
| private static final ASN1GeneralizedTime ASN1 = new ASN1GeneralizedTime(); |
| |
| /** |
| * Constructs ASN.1 GeneralizedTime type |
| * |
| * The constructor is provided for inheritance purposes |
| * when there is a need to create a custom ASN.1 GeneralizedTime type. |
| * To get a default implementation it is recommended to use |
| * getInstance() method. |
| */ |
| public ASN1GeneralizedTime() { |
| super(TAG_GENERALIZEDTIME); |
| } |
| |
| /** |
| * Returns ASN.1 GeneralizedTime type default implementation |
| * |
| * The default implementation works with encoding |
| * that is represented as Date object. |
| * |
| * @return ASN.1 GeneralizedTime type default implementation |
| */ |
| public static ASN1GeneralizedTime getInstance() { |
| return ASN1; |
| } |
| |
| public Object decode(BerInputStream in) throws IOException { |
| in.readGeneralizedTime(); |
| |
| if (in.isVerify) { |
| return null; |
| } |
| return getDecodedObject(in); |
| } |
| |
| public void encodeContent(BerOutputStream out) { |
| out.encodeGeneralizedTime(); |
| } |
| |
| // FIXME support only one format for encoding, do we need others? |
| // |
| // According to X.680: |
| // four digit year, seconds always presented |
| // and fractional-seconds elements without |
| // trailing 0's (must be cut later from content) |
| private static final String GEN_PATTERN = "yyyyMMddHHmmss.SSS"; |
| |
| public void setEncodingContent(BerOutputStream out) { |
| SimpleDateFormat sdf = new SimpleDateFormat(GEN_PATTERN, Locale.US); |
| sdf.setTimeZone(TimeZone.getTimeZone("UTC")); |
| String temp = sdf.format(out.content); |
| // cut off trailing 0s |
| int nullId; |
| int currLength; |
| while (((nullId = temp.lastIndexOf('0', currLength = temp.length() - 1)) != -1) |
| & (nullId == currLength)) { |
| temp = temp.substring(0, nullId); |
| } |
| // deal with point (cut off if it is last char) |
| if (temp.charAt(currLength) == '.') { |
| temp = temp.substring(0, currLength); |
| } |
| |
| out.content = (temp + "Z").getBytes(Charsets.UTF_8); |
| out.length = ((byte[]) out.content).length; |
| } |
| } |