com.sap.cloud.mt.subscription.DbCredentials Maven / Gradle / Ivy

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/*******************************************************************************
 *   © 2019-2024 SAP SE or an SAP affiliate company. All rights reserved.
 ******************************************************************************/

package com.sap.cloud.mt.subscription;

import com.sap.cloud.mt.subscription.exceptions.InternalError;
import org.apache.commons.lang3.StringUtils;

import java.net.URI;
import java.net.URISyntaxException;
import java.util.List;

public abstract class DbCredentials {
	protected static final String JDBC = "jdbc:";
	private final String user;
	private final String password;
	private final String host;
	private final String port;
	private final String driver;
	protected final URI uri;

	protected DbCredentials(String user, String password, String host, String port, String driver, String uriStr) throws InternalError {
		this.user = user;
		this.password = password;
		this.host = host;
		this.port = port;
		this.driver = driver;
		if (StringUtils.isNotEmpty(uriStr)) {
			uri = getUri(uriStr);
		} else {
			uri = null;
		}
	}

	protected DbCredentials(DbCredentials dbCredentials) {
		this.user = dbCredentials.user;
		this.password = dbCredentials.password;
		this.host = dbCredentials.host;
		this.port = dbCredentials.port;
		this.driver = dbCredentials.driver;
		this.uri = dbCredentials.uri;
	}

	public abstract String getDatabaseId();

	public final String getUrl() {
		return buildUrl();
	}

	public abstract DbIdentifiers.DB getDB();

	public String getUser() {
		if (StringUtils.isNotEmpty(user)) {
			return user;
		} else {
			if (uri == null) {
				return "";
			}
			UserAndPassword userAndPassword = getUserFromUri(uri);
			return userAndPassword.user;
		}
	}

	public String getPassword() {
		if (StringUtils.isNotEmpty(password)) {
			return password;
		} else {
			if (uri == null) {
				return "";
			}
			UserAndPassword userAndPassword = getUserFromUri(uri);
			return userAndPassword.password;
		}
	}

	public String getDriver() {
		return driver;
	}

	public String getHost() {
		if (StringUtils.isNotEmpty(host)) {
			return host;
		} else {
			if (uri == null) {
				return "";
			}
			List hostAndPorts = getHostsFromUri(uri);
			if (!hostAndPorts.isEmpty()) {
				return hostAndPorts.get(0).host;
			} else {
				return "";
			}
		}
	}

	public String getPort() {
		if (StringUtils.isNotEmpty(port)) {
			return port;
		} else {
			if (uri == null) {
				return "";
			}
			List hostAndPorts = getHostsFromUri(uri);
			if (!hostAndPorts.isEmpty()) {
				return hostAndPorts.get(0).port;
			} else {
				return "";
			}
		}
	}

	public abstract DbCredentials createCopy();

	private URI getUri(String uriStr) throws InternalError {
		if (StringUtils.isEmpty(uriStr)) {
			throw new InternalError("No uri set");
		}
		try {
			if (uriStr.startsWith(JDBC)) {
				return new URI(uriStr.substring(5));
			} else {
				return new URI(uriStr);
			}
		} catch (URISyntaxException e) {
			throw new InternalError(e);
		}
	}

	protected abstract String buildUrl();

	protected abstract List getHostsFromUri(URI uri);

	protected abstract UserAndPassword getUserFromUri(URI uri);

	protected static class HostAndPort {
		String host;
		String port;
	}

	protected static class UserAndPassword {
		String user;
		String password;
	}
}