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111 lines
3.1 KiB
Java
111 lines
3.1 KiB
Java
/*
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* Copyright 2011 The IEC61850bean 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.iec61850bean;
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import com.beanit.asn1bean.ber.types.BerOctetString;
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import com.beanit.iec61850bean.internal.mms.asn1.Data;
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import com.beanit.iec61850bean.internal.mms.asn1.Integer32;
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import com.beanit.iec61850bean.internal.mms.asn1.TypeDescription;
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import java.util.Arrays;
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public final class BdaOctetString extends BasicDataAttribute {
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private final int maxLength;
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private volatile byte[] value;
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public BdaOctetString(
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ObjectReference objectReference,
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Fc fc,
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String sAddr,
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int maxLength,
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boolean dchg,
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boolean dupd) {
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super(objectReference, fc, sAddr, dchg, dupd);
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basicType = BdaType.OCTET_STRING;
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this.maxLength = maxLength;
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setDefault();
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}
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public byte[] getValue() {
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return value;
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}
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public void setValue(byte[] value) {
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if (value != null && value.length > maxLength) {
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throw new IllegalArgumentException(
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"OCTET_STRING value size exceeds maxLength of " + maxLength);
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}
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this.value = value;
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}
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@Override
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public void setValueFrom(BasicDataAttribute bda) {
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byte[] srcValue = ((BdaOctetString) bda).getValue();
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if (value.length != srcValue.length) {
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value = new byte[srcValue.length];
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}
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System.arraycopy(srcValue, 0, value, 0, srcValue.length);
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}
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public int getMaxLength() {
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return maxLength;
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}
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@Override
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public void setDefault() {
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value = new byte[0];
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}
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@Override
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public BdaOctetString copy() {
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BdaOctetString copy = new BdaOctetString(objectReference, fc, sAddr, maxLength, dchg, dupd);
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byte[] valueCopy = new byte[value.length];
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System.arraycopy(value, 0, valueCopy, 0, value.length);
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copy.setValue(valueCopy);
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if (mirror == null) {
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copy.mirror = this;
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} else {
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copy.mirror = mirror;
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}
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return copy;
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}
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@Override
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Data getMmsDataObj() {
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Data data = new Data();
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data.setOctetString(new BerOctetString(value));
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return data;
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}
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@Override
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void setValueFromMmsDataObj(Data data) throws ServiceError {
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if (data.getOctetString() == null) {
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throw new ServiceError(ServiceError.TYPE_CONFLICT, "expected type: octet_string");
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}
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value = data.getOctetString().value;
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}
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@Override
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TypeDescription getMmsTypeSpec() {
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TypeDescription typeDescription = new TypeDescription();
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typeDescription.setOctetString(new Integer32(maxLength * -1));
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return typeDescription;
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}
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@Override
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public String toString() {
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return getReference().toString() + ": " + Arrays.toString(value);
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}
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}
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