/*
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* Copyright 2011-17 Fraunhofer ISE, energy & meteo Systems GmbH and other contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package org.openmuc.openiec61850;
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import org.openmuc.jasn1.ber.types.BerBoolean;
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import org.openmuc.openiec61850.internal.mms.asn1.Data;
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import org.openmuc.openiec61850.internal.mms.asn1.TimeOfDay;
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import org.openmuc.openiec61850.internal.mms.asn1.TypeDescription;
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/**
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*
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* BdaEntryTime stores time in terms of days and ms since 1984.
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*
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* @author Stefan Feuerhahn
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*
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*/
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public final class BdaEntryTime extends BasicDataAttribute {
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private byte[] value;
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public BdaEntryTime(ObjectReference objectReference, Fc fc, String sAddr, boolean dchg, boolean dupd) {
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super(objectReference, fc, sAddr, dchg, dupd);
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basicType = BdaType.ENTRY_TIME;
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setDefault();
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}
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/**
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* Set the value of this object to the given timestamp, where timestamp is the number of ms since epoch 1970-01-01
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* 00:00:00 UTC. Note that timestamps before 1984 are not valid as they cannot be stored.
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*
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* @param timestamp
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* the number of ms since epoch 1970-01-01
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*/
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public void setTimestamp(long timestamp) {
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long msSince1984 = timestamp - 441763200000l;
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int days = (int) (msSince1984 / 86400000);
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int ms = (int) (msSince1984 % 86400000);
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value = new byte[] { (byte) (ms >> 24), (byte) (ms >> 16), (byte) (ms >> 8), (byte) (ms), (byte) (days >> 8),
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(byte) days };
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}
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public long getTimestampValue() {
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if (value.length != 6) {
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return -1;
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}
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return ((value[0] & 0xffl) << 24) + ((value[1] & 0xffl) << 16) + ((value[2] & 0xffl) << 8) + (value[3] & 0xffl)
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+ (((value[4] & 0xffl) << 8) + (value[5] & 0xffl)) * 86400000l;
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}
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public void setValue(byte[] value) {
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this.value = value;
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}
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@Override
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void setValueFrom(BasicDataAttribute bda) {
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byte[] srcValue = ((BdaEntryTime) 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 byte[] getValue() {
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return value;
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}
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/**
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* Sets EntryTime to byte[6] with all zeros
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*/
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@Override
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public void setDefault() {
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value = new byte[6];
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}
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@Override
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public BdaEntryTime copy() {
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BdaEntryTime copy = new BdaEntryTime(objectReference, fc, sAddr, 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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}
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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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if (value == null) {
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return null;
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}
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Data data = new Data();
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data.setBinaryTime(new TimeOfDay(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.getBinaryTime() == null) {
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throw new ServiceError(ServiceError.TYPE_CONFLICT, "expected type: binary_time/EntryTime");
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}
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value = data.getBinaryTime().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.setBinaryTime(new BerBoolean(true));
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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() + ": " + getTimestampValue();
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}
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}
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