/* * Copyright 2011 The IEC61850bean Authors * * Licensed 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 com.beanit.iec61850bean; import com.beanit.iec61850bean.internal.mms.asn1.Data; import com.beanit.iec61850bean.internal.mms.asn1.FloatingPoint; import com.beanit.iec61850bean.internal.mms.asn1.TypeDescription; import com.beanit.iec61850bean.internal.mms.asn1.Unsigned8; import java.nio.ByteBuffer; import java.util.Arrays; public final class BdaFloat64 extends BasicDataAttribute { private volatile byte[] value = new byte[] {11, 0, 0, 0, 0, 0, 0, 0, 0}; public BdaFloat64( ObjectReference objectReference, Fc fc, String sAddr, boolean dchg, boolean dupd) { super(objectReference, fc, sAddr, dchg, dupd); basicType = BdaType.FLOAT64; setDefault(); } @Override public void setValueFrom(BasicDataAttribute bda) { byte[] srcValue = ((BdaFloat64) bda).getValue(); if (value.length != srcValue.length) { value = new byte[srcValue.length]; } System.arraycopy(srcValue, 0, value, 0, srcValue.length); } public byte[] getValue() { return value; } public void setValue(byte[] value) { if (value != null && value.length != 9) { throw new IllegalArgumentException("value does not have length 9"); } this.value = value; } public Double getDouble() { if (value == null) { return null; } return Double.longBitsToDouble( ((0xffL & value[1]) << 56) | ((0xffL & value[2]) << 48) | ((0xffL & value[3]) << 40) | ((0xffL & value[4]) << 32) | ((0xffL & value[5]) << 24) | ((0xffL & value[6]) << 16) | ((0xffL & value[7]) << 8) | ((0xffL & value[8]) << 0)); } public void setDouble(Double value) { this.value = ByteBuffer.allocate(1 + 8).put((byte) 11).putDouble(value).array(); } @Override public void setDefault() { value = new byte[] {11, 0, 0, 0, 0, 0, 0, 0, 0}; } @Override public BdaFloat64 copy() { BdaFloat64 copy = new BdaFloat64(objectReference, fc, sAddr, dchg, dupd); byte[] valueCopy = new byte[value.length]; System.arraycopy(value, 0, valueCopy, 0, value.length); copy.setValue(valueCopy); if (mirror == null) { copy.mirror = this; } else { copy.mirror = mirror; } return copy; } @Override Data getMmsDataObj() { if (value == null) { return null; } Data data = new Data(); data.setFloatingPoint(new FloatingPoint(value)); return data; } @Override void setValueFromMmsDataObj(Data data) throws ServiceError { if (data.getFloatingPoint() == null || data.getFloatingPoint().value.length != 9) { throw new ServiceError( ServiceError.TYPE_CONFLICT, "expected type: floating_point as an octet string of size 9"); } value = data.getFloatingPoint().value; } @Override TypeDescription getMmsTypeSpec() { TypeDescription.FloatingPoint floatingPointTypeDescription = new TypeDescription.FloatingPoint(); floatingPointTypeDescription.setFormatWidth(new Unsigned8(64)); floatingPointTypeDescription.setExponentWidth(new Unsigned8(11)); TypeDescription typeDescription = new TypeDescription(); typeDescription.setFloatingPoint(floatingPointTypeDescription); return typeDescription; } @Override public String toString() { return getReference().toString() + ": " + getDouble(); } @Override public String getValueString() { return "" + Arrays.toString(value); } }