| /** |
| * 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. |
| * |
| */ |
| package org.apache.kerby.asn1; |
| |
| import org.apache.kerby.asn1.type.Asn1Type; |
| |
| /** |
| * Representing a field in a ASN1 collection or choice. |
| */ |
| public class Asn1FieldInfo { |
| private EnumType index; |
| private int tagNo = -1; // Indicate a non-tagged field |
| private boolean isImplicit; |
| private Class<? extends Asn1Type> type; |
| |
| /** |
| * Constructor for a tagged field, the tagNo being the same of index. |
| * @param index |
| * @param type |
| * @param isImplicit |
| */ |
| public Asn1FieldInfo(EnumType index, Class<? extends Asn1Type> type, |
| boolean isImplicit) { |
| this(index, index.getValue(), type, isImplicit); |
| } |
| |
| /** |
| * Constructor for a tagged field. |
| * @param index |
| * @param tagNo |
| * @param type |
| * @param isImplicit |
| */ |
| public Asn1FieldInfo(EnumType index, int tagNo, Class<? extends Asn1Type> type, |
| boolean isImplicit) { |
| this.index = index; |
| this.tagNo = tagNo; |
| this.type = type; |
| this.isImplicit = isImplicit; |
| } |
| |
| /** |
| * Constructor for a non-tagged field. |
| * @param index |
| * @param type |
| */ |
| public Asn1FieldInfo(EnumType index, Class<? extends Asn1Type> type) { |
| this.index = index; |
| this.type = type; |
| this.tagNo = -1; // Indicate a non-tagged field |
| } |
| |
| public boolean isTagged() { |
| return tagNo != -1; |
| } |
| |
| public TaggingOption getTaggingOption() { |
| if (isImplicit) { |
| return TaggingOption.newImplicitContextSpecific(tagNo); |
| } else { |
| return TaggingOption.newExplicitContextSpecific(tagNo); |
| } |
| } |
| |
| public int getTagNo() { |
| return tagNo; |
| } |
| |
| public EnumType getIndex() { |
| return index; |
| } |
| |
| public boolean isImplicit() { |
| return isImplicit; |
| } |
| |
| public Class<? extends Asn1Type> getType() { |
| return type; |
| } |
| } |