Java tutorial
/** * Copyright 2013 Crypto Workshop Pty Ltd * * Licensed 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. */ package org.cryptoworkshop.ximix.common.asn1.message; import org.bouncycastle.asn1.ASN1EncodableVector; import org.bouncycastle.asn1.ASN1Enumerated; import org.bouncycastle.asn1.ASN1Object; import org.bouncycastle.asn1.ASN1Primitive; import org.bouncycastle.asn1.ASN1Sequence; import org.bouncycastle.asn1.DERSequence; import org.bouncycastle.asn1.DERUTF8String; /** * Response message giving a particular board's status. */ public class BoardStatusMessage extends ASN1Object { private final String boardName; private final Status status; public enum Status { IN_TRANSIT, COMPLETE, UNKNOWN, ACTIVE } /** * Base constructor. * * @param boardName the name of the board the status is for. * @param status the board's current status. */ public BoardStatusMessage(String boardName, Status status) { this.boardName = boardName; this.status = status; } private BoardStatusMessage(ASN1Sequence seq) { this.boardName = DERUTF8String.getInstance(seq.getObjectAt(0)).getString(); this.status = Status.values()[ASN1Enumerated.getInstance(seq.getObjectAt(1)).getValue().intValue()]; } public static final BoardStatusMessage getInstance(Object o) { if (o instanceof BoardStatusMessage) { return (BoardStatusMessage) o; } else if (o != null) { return new BoardStatusMessage(ASN1Sequence.getInstance(o)); } return null; } public Status getStatus() { return status; } @Override public ASN1Primitive toASN1Primitive() { ASN1EncodableVector v = new ASN1EncodableVector(); v.add(new DERUTF8String(boardName)); v.add(new ASN1Enumerated(status.ordinal())); return new DERSequence(v); } }