83 lines
3.4 KiB
Java
83 lines
3.4 KiB
Java
package org.gcube.informationsystem.resourceregistry.instances.model;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Set;
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import java.util.UUID;
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import org.gcube.com.fasterxml.jackson.databind.JsonNode;
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import org.gcube.informationsystem.base.reference.Element;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException;
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import org.gcube.informationsystem.resourceregistry.api.rest.SharingPath.SharingOperation;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class SharingOperationValidator implements OperationValidator {
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protected static Logger logger = LoggerFactory.getLogger(SharingOperationValidator.class);
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protected final Map<UUID, JsonNode> expectedInstances;
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protected final SharingOperation sharingOperation;
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public SharingOperationValidator(Map<UUID, JsonNode> expectedInstances, SharingOperation sharingOperation) {
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this.expectedInstances = expectedInstances;
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this.sharingOperation = sharingOperation;
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}
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@Override
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public boolean isValidOperation(Map<UUID, JsonNode> affectedInstances) throws ResourceRegistryException {
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Set<UUID> expectedUUIDSet = expectedInstances.keySet();
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Set<UUID> affectedUUIDSet = new HashSet<>(affectedInstances.keySet());
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affectedUUIDSet.removeAll(expectedUUIDSet);
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if(affectedUUIDSet.size()>0) {
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StringBuffer stringBuffer = new StringBuffer();
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stringBuffer.append("To keep the integrity of the IS the operation ");
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stringBuffer.append(sharingOperation.toString());
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stringBuffer.append(" affects more instances than the requested by the client. The operation will be aborted. ");
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stringBuffer.append("Additional affected instances are ");
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stringBuffer.append(affectedUUIDSet.toString());
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String errorMessage = stringBuffer.toString();
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logger.error(errorMessage);
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throw new ResourceRegistryException(errorMessage);
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}
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for(UUID expectedUUID : expectedUUIDSet) {
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JsonNode expectedJsonNode = expectedInstances.get(expectedUUID);
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JsonNode affectedJsonNode = affectedInstances.get(expectedUUID);
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if(affectedJsonNode==null) {
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StringBuffer stringBuffer = new StringBuffer();
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stringBuffer.append("The operation ");
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stringBuffer.append(sharingOperation.toString());
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stringBuffer.append(" did not affected the instance with UUID ");
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stringBuffer.append(expectedUUID.toString());
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stringBuffer.append(" ");
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stringBuffer.append(expectedJsonNode);
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stringBuffer.append(". This should not occur. Please contact the administrator.");
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String errorMessage = stringBuffer.toString();
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logger.error(errorMessage);
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throw new ResourceRegistryException(errorMessage);
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}
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String expectedType = expectedJsonNode.get(Element.CLASS_PROPERTY).asText();
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String affectedType = affectedJsonNode.get(Element.CLASS_PROPERTY).asText();
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if(expectedType.compareTo(affectedType)!=0) {
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StringBuffer stringBuffer = new StringBuffer();
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stringBuffer.append("The expected type of the instance with UUID ");
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stringBuffer.append(expectedUUID);
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stringBuffer.append(" is ");
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stringBuffer.append(expectedType);
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stringBuffer.append(". Instead the effective instance with such UUID is");
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stringBuffer.append(affectedType);
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stringBuffer.append(". The operation has been aborted.");
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String errorMessage = stringBuffer.toString();
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logger.error(errorMessage);
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throw new ResourceRegistryException(errorMessage);
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}
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}
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return true;
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}
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}
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