org.apache.shardingsphere.solon.ShardingSphereSupplier Maven / Gradle / Ivy
package org.apache.shardingsphere.solon;
import org.apache.shardingsphere.driver.api.yaml.YamlShardingSphereDataSourceFactory;
import org.noear.solon.Utils;
import org.noear.solon.core.util.IoUtil;
import org.noear.solon.core.util.ResourceUtil;
import javax.sql.DataSource;
import java.io.InputStream;
import java.net.URL;
import java.util.Properties;
import java.util.function.Supplier;
/**
* @author noear
* @since 2.2
*/
public class ShardingSphereSupplier implements Supplier {
private final Properties properties;
public ShardingSphereSupplier(Properties properties) {
this.properties = properties;
}
@Override
public DataSource get() {
try {
String fileUri = properties.getProperty("file");
if (Utils.isNotEmpty(fileUri)) {
URL resource = ResourceUtil.findResource(fileUri);
if (resource == null) {
throw new IllegalStateException("The sharding sphere configuration file does not exist");
}
try (InputStream in = resource.openStream()) {
byte[] bytes = IoUtil.transferToBytes(in);
return YamlShardingSphereDataSourceFactory.createDataSource(bytes);
}
}
String configTxt = properties.getProperty("config");
if (Utils.isNotEmpty(configTxt)) {
return YamlShardingSphereDataSourceFactory.createDataSource(configTxt.getBytes());
}
} catch (Exception e) {
throw new IllegalStateException("The sharding sphere configuration failed", e);
}
throw new IllegalStateException("Invalid sharding sphere configuration");
}
}