/*
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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.string.BerVisibleString;
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import org.openmuc.openiec61850.internal.mms.asn1.Data;
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import org.openmuc.openiec61850.internal.mms.asn1.Integer32;
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import org.openmuc.openiec61850.internal.mms.asn1.TypeDescription;
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public final class BdaVisibleString extends BasicDataAttribute {
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private byte[] value;
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private final int maxLength;
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public BdaVisibleString(ObjectReference objectReference, Fc fc, String sAddr, int maxLength, boolean dchg,
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boolean dupd) {
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super(objectReference, fc, sAddr, dchg, dupd);
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basicType = BdaType.VISIBLE_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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"value was null or VISIBLE_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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void setValueFrom(BasicDataAttribute bda) {
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byte[] srcValue = ((BdaVisibleString) 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 void setValue(String value) {
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setValue(value.getBytes());
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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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public String getStringValue() {
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return new String(value);
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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 BdaVisibleString copy() {
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BdaVisibleString copy = new BdaVisibleString(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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}
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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.setVisibleString(new BerVisibleString(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.getVisibleString() == null) {
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throw new ServiceError(ServiceError.TYPE_CONFLICT, "expected type: visible_string");
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}
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value = data.getVisibleString().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.setVisibleString(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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if (value == null) {
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return getReference().toString() + ": null";
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}
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if (value.length == 0 || value[0] == (byte) 0) {
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return getReference().toString() + ": ''";
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}
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return getReference().toString() + ": " + new String(value);
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}
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}
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