75 lines
2.4 KiB
Java
75 lines
2.4 KiB
Java
package org.gcube.data.access.storagehub.storage.backend.impl;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Properties;
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import java.util.UUID;
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import jakarta.annotation.PostConstruct;
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import jakarta.inject.Singleton;
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import org.gcube.common.storagehub.model.Metadata;
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import org.gcube.common.storagehub.model.exceptions.InvalidCallParameters;
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import org.gcube.common.storagehub.model.items.nodes.PayloadBackend;
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import org.gcube.common.storagehub.model.storages.StorageBackend;
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import org.gcube.common.storagehub.model.storages.StorageBackendFactory;
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@Singleton
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public class GcubeMinIOStorageBackendFactory implements StorageBackendFactory {
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private static final String PROP_PREFIX = "default.";
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private Metadata baseParameters;
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@PostConstruct
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public void init(){
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baseParameters = getParameters();
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}
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@Override
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public String getName() {
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return "gcube-default-minio";
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}
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@Override
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public boolean isSystemStorage() {
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return true;
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}
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@Override
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public StorageBackend create(PayloadBackend payloadConfiguration) throws InvalidCallParameters {
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if (payloadConfiguration.getParameters().isEmpty())
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throw new InvalidCallParameters(getName()+": null or empty parameter not allowed");
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String bucketName = (String)payloadConfiguration.getParameters().get("bucketName");
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if (bucketName == null || bucketName.isBlank())
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throw new InvalidCallParameters(getName()+": 'bucketName' cannot be blank or empty");
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Metadata metadata = new Metadata(new HashMap<>(baseParameters.getMap()));
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metadata.getMap().putAll(payloadConfiguration.getParameters());
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return new S3Backend(new PayloadBackend(getName(), metadata), (String) -> UUID.randomUUID().toString());
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}
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private Metadata getParameters(){
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try (InputStream input = GcubeMinIOStorageBackendFactory.class.getClassLoader().getResourceAsStream("storage-settings.properties")) {
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Properties prop = new Properties();
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prop.load(input);
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Map<String, Object> params = new HashMap<String, Object>();
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prop.forEach((k,v) -> { if (k.toString().startsWith(PROP_PREFIX)) params.put(k.toString().replace(PROP_PREFIX, ""), v);});
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return new Metadata(params);
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} catch (IOException ex) {
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throw new RuntimeException("error initializing MinIO", ex);
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}
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}
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}
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