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iec61850bean/src/main/java/org/openmuc/openiec61850/BdaUnicodeString.java

110 lines
3.4 KiB
Java

/*
* Copyright 2011 The OpenIEC61850 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 org.openmuc.openiec61850;
import org.openmuc.openiec61850.internal.mms.asn1.Data;
import org.openmuc.openiec61850.internal.mms.asn1.Integer32;
import org.openmuc.openiec61850.internal.mms.asn1.MMSString;
import org.openmuc.openiec61850.internal.mms.asn1.TypeDescription;
public final class BdaUnicodeString extends BasicDataAttribute {
private byte[] value;
private final int maxLength;
public BdaUnicodeString(ObjectReference objectReference, Fc fc, String sAddr, int maxLength, boolean dchg,
boolean dupd) {
super(objectReference, fc, sAddr, dchg, dupd);
basicType = BdaType.UNICODE_STRING;
this.maxLength = maxLength;
setDefault();
}
public byte[] getValue() {
return value;
}
public void setValue(byte[] value) {
if (value == null || value.length > maxLength) {
throw new IllegalArgumentException(
"Value was null or UNICODE_STRING value size exceeds maxLength of " + maxLength);
}
this.value = value;
}
@Override
public void setValueFrom(BasicDataAttribute bda) {
byte[] srcValue = ((BdaUnicodeString) bda).getValue();
if (value.length != srcValue.length) {
value = new byte[srcValue.length];
}
System.arraycopy(srcValue, 0, value, 0, srcValue.length);
}
public int getMaxLength() {
return maxLength;
}
@Override
public void setDefault() {
value = new byte[0];
}
@Override
public BdaUnicodeString copy() {
BdaUnicodeString copy = new BdaUnicodeString(objectReference, fc, sAddr, maxLength, 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() {
Data data = new Data();
data.setMMSString(new MMSString(value));
return data;
}
@Override
void setValueFromMmsDataObj(Data data) throws ServiceError {
if (data.getMMSString() == null) {
throw new ServiceError(ServiceError.TYPE_CONFLICT, "expected type: mms_string/unicode_string");
}
value = data.getMMSString().value;
}
@Override
TypeDescription getMmsTypeSpec() {
TypeDescription typeDescription = new TypeDescription();
typeDescription.setMMSString(new Integer32(maxLength * -1));
return typeDescription;
}
@Override
public String toString() {
if (value == null) {
return getReference().toString() + ": null";
}
return getReference().toString() + ": " + new String(value);
}
}