| /** |
| * 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.parse.Asn1ParseResult; |
| import org.apache.kerby.asn1.parse.Asn1Parser; |
| import org.apache.kerby.asn1.type.Asn1Type; |
| import org.apache.kerby.asn1.util.HexUtil; |
| |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| |
| /** |
| * The shortcut API for ASN1 encoding, decoding and dumping. |
| * TO BE WELL DOCUMENTED. |
| */ |
| public final class Asn1 { |
| |
| private Asn1() { |
| |
| } |
| |
| public static void encode(ByteBuffer buffer, Asn1Type value) { |
| value.encode(buffer); |
| } |
| |
| public static byte[] encode(Asn1Type value) { |
| return value.encode(); |
| } |
| |
| public static Asn1Type decode(byte[] content) throws IOException { |
| return decode(ByteBuffer.wrap(content)); |
| } |
| |
| public static Asn1Type decode(ByteBuffer content) throws IOException { |
| Asn1ParseResult parseResult = Asn1Parser.parse(content); |
| return Asn1Converter.convert(parseResult, false); |
| } |
| |
| public static Asn1ParseResult parse(byte[] content) throws IOException { |
| return parse(ByteBuffer.wrap(content)); |
| } |
| |
| public static Asn1ParseResult parse(ByteBuffer content) throws IOException { |
| return Asn1Parser.parse(content); |
| } |
| |
| public static void dump(Asn1Type value) { |
| dump(value, true); |
| } |
| |
| public static void dump(Asn1Type value, boolean withType) { |
| Asn1Dumper dumper = new Asn1Dumper(withType); |
| if (!withType) { |
| dumper.dumpTypeInfo(value.getClass()); |
| } |
| dumper.dumpType(0, value); |
| String output = dumper.output(); |
| System.out.println(output); |
| } |
| |
| public static void parseAndDump(String hexStr) throws IOException { |
| byte[] data = HexUtil.hex2bytes(hexStr); |
| parseAndDump(data); |
| } |
| |
| public static void decodeAndDump(String hexStr) throws IOException { |
| byte[] data = HexUtil.hex2bytes(hexStr); |
| decodeAndDump(data); |
| } |
| |
| public static void parseAndDump(ByteBuffer content) throws IOException { |
| byte[] bytes = new byte[content.remaining()]; |
| content.get(bytes); |
| parseAndDump(bytes); |
| } |
| |
| public static void decodeAndDump(ByteBuffer content) throws IOException { |
| byte[] bytes = new byte[content.remaining()]; |
| content.get(bytes); |
| decodeAndDump(bytes); |
| } |
| |
| public static void parseAndDump(byte[] content) throws IOException { |
| //String hexStr = HexUtil.bytesToHex(content); |
| Asn1Dumper dumper = new Asn1Dumper(); |
| //System.out.println("Dumping data:"); |
| //dumper.dumpData(hexStr); |
| dumper.parseAndDump(content); |
| String output = dumper.output(); |
| System.out.println(output); |
| } |
| |
| public static void decodeAndDump(byte[] content) throws IOException { |
| //String hexStr = HexUtil.bytesToHex(content); |
| Asn1Dumper dumper = new Asn1Dumper(); |
| //System.out.println("Dumping data:"); |
| //dumper.dumpData(hexStr); |
| dumper.decodeAndDump(content); |
| String output = dumper.output(); |
| System.out.println(output); |
| } |
| } |