| package org.eclipse.basyx.submodel.metamodel.connected.submodelelement.dataelement; |
| |
| import java.nio.charset.StandardCharsets; |
| import java.util.Base64; |
| |
| import org.eclipse.basyx.submodel.metamodel.api.reference.enums.KeyElements; |
| import org.eclipse.basyx.submodel.metamodel.api.submodelelement.dataelement.IBlob; |
| import org.eclipse.basyx.submodel.metamodel.map.submodelelement.dataelement.Blob; |
| import org.eclipse.basyx.submodel.metamodel.map.submodelelement.dataelement.property.Property; |
| import org.eclipse.basyx.vab.modelprovider.VABElementProxy; |
| |
| /** |
| * "Connected" implementation of IBlob |
| * @author rajashek |
| * |
| */ |
| public class ConnectedBlob extends ConnectedDataElement implements IBlob { |
| |
| public ConnectedBlob(VABElementProxy proxy) { |
| super(proxy); |
| } |
| |
| @Override |
| public String getValue() { |
| Object connectedValue = getProxy().getModelPropertyValue(Property.VALUE); |
| if (connectedValue instanceof String) { |
| return (String) connectedValue; |
| } else { |
| return null; |
| } |
| } |
| |
| @Override |
| public String getMimeType() { |
| return (String) getElem().get(Blob.MIMETYPE); |
| } |
| |
| @Override |
| protected KeyElements getKeyElement() { |
| return KeyElements.BLOB; |
| } |
| |
| @Override |
| public Blob getLocalCopy() { |
| return Blob.createAsFacade(getElem()).getLocalCopy(); |
| } |
| |
| @Override |
| public void setValue(String value) { |
| if (value instanceof String) { |
| // Assume a Base64 encoded String |
| setValue((Object) value); |
| } else { |
| throw new IllegalArgumentException("Given Object is not a String"); |
| } |
| } |
| |
| |
| @Override |
| public byte[] getByteArrayValue() { |
| String value = getValue(); |
| if (value != null) { |
| return Base64.getDecoder().decode(value); |
| } else { |
| return null; |
| } |
| } |
| |
| @Override |
| public void setByteArrayValue(byte[] value) { |
| setValue((Object) Base64.getEncoder().encodeToString(value)); |
| } |
| |
| @Override |
| public String getUTF8String() { |
| return getLocalCopy().getUTF8String(); |
| } |
| |
| @Override |
| public void setUTF8String(String text) { |
| byte[] byteArray = text.getBytes(StandardCharsets.UTF_8); |
| setByteArrayValue(byteArray); |
| } |
| } |
| |