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.ASN1Object; import org.bouncycastle.asn1.ASN1Primitive; import org.bouncycastle.asn1.ASN1Sequence; import org.bouncycastle.asn1.DERSequence; import org.bouncycastle.asn1.DERUTF8String; /** * Carrier message for a board creation request. */ public class CreateBoardMessage extends ASN1Object { private final String boardName; private final String backUpHost; /** * Base constructor. * * @param boardName the name of the board to create. * @param backUpHost the backup host for the board, null if not required. */ public CreateBoardMessage(String boardName, String backUpHost) { this.boardName = boardName; this.backUpHost = backUpHost; } private CreateBoardMessage(ASN1Sequence seq) { this.boardName = DERUTF8String.getInstance(seq.getObjectAt(0)).getString(); if (seq.size() == 2) { this.backUpHost = DERUTF8String.getInstance(seq.getObjectAt(1)).getString(); } else { this.backUpHost = null; } } public static final CreateBoardMessage getInstance(Object o) { if (o instanceof CreateBoardMessage) { return (CreateBoardMessage) o; } else if (o != null) { return new CreateBoardMessage(ASN1Sequence.getInstance(o)); } return null; } @Override public ASN1Primitive toASN1Primitive() { ASN1EncodableVector v = new ASN1EncodableVector(); v.add(new DERUTF8String(boardName)); if (backUpHost != null) { v.add(new DERUTF8String(backUpHost)); } return new DERSequence(v); } public String getBoardName() { return boardName; } public String getBackUpHost() { return backUpHost; } }