added modified version of jASN1 BerBoolean so that true is encoded as 0x01 instead of 0xff but using the original jasn1 dependency
Stefan Feuerhahn
7 years ago
parent
88e96e1a0f
commit
a801db5404
@ -0,0 +1,120 @@
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/*
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* Copyright 2012 The jASN1 Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the License
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* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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* or implied. See the License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.beanit.openiec61850.internal;
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import com.beanit.jasn1.ber.BerLength;
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import com.beanit.jasn1.ber.BerTag;
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import com.beanit.jasn1.ber.ReverseByteArrayOutputStream;
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import com.beanit.jasn1.ber.types.BerType;
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import java.io.EOFException;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.io.Serializable;
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public class BerBoolean implements Serializable, BerType {
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public static final BerTag tag =
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new BerTag(BerTag.UNIVERSAL_CLASS, BerTag.PRIMITIVE, BerTag.BOOLEAN_TAG);
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private static final long serialVersionUID = 1L;
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public byte[] code = null;
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public boolean value;
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public BerBoolean() {}
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public BerBoolean(byte[] code) {
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this.code = code;
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}
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public BerBoolean(boolean value) {
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this.value = value;
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}
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@Override
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public int encode(OutputStream reverseOS) throws IOException {
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return encode(reverseOS, true);
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}
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public int encode(OutputStream reverseOS, boolean withTag) throws IOException {
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if (code != null) {
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for (int i = code.length - 1; i >= 0; i--) {
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reverseOS.write(code[i]);
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}
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if (withTag) {
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return tag.encode(reverseOS) + code.length;
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}
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return code.length;
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}
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int codeLength = 1;
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if (value) {
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reverseOS.write(0xff);
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} else {
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reverseOS.write(0);
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}
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codeLength += BerLength.encodeLength(reverseOS, codeLength);
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if (withTag) {
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codeLength += tag.encode(reverseOS);
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}
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return codeLength;
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}
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@Override
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public int decode(InputStream is) throws IOException {
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return decode(is, true);
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}
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public int decode(InputStream is, boolean withTag) throws IOException {
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int codeLength = 0;
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if (withTag) {
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codeLength += tag.decodeAndCheck(is);
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}
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BerLength length = new BerLength();
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codeLength += length.decode(is);
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if (length.val != 1) {
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throw new IOException("Decoded length of BerBoolean is not correct");
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}
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int nextByte = is.read();
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if (nextByte == -1) {
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throw new EOFException("Unexpected end of input stream.");
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}
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codeLength++;
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value = nextByte != 0;
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return codeLength;
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}
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public void encodeAndSave(int encodingSizeGuess) throws IOException {
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ReverseByteArrayOutputStream os = new ReverseByteArrayOutputStream(encodingSizeGuess);
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encode(os, false);
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code = os.getArray();
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}
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@Override
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public String toString() {
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return "" + value;
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}
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}
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