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feat: optimize drvier resource code

This commit is contained in:
vran 2022-04-18 11:07:54 +08:00
parent fbcd45e924
commit 9c9be799f1
5 changed files with 123 additions and 101 deletions
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1
api/src/main/resources/application-local.properties
View File

@ -10,3 +10,4 @@ databasir.db.url=localhost:3306
databasir.db.username=root
databasir.db.password=123456
databasir.db.driver-directory=drivers
databasir.jwt.secret=DatabasirJwtSecret

6
core/src/main/java/com/databasir/core/domain/database/service/DatabaseTypeService.java
View File

@ -62,7 +62,7 @@ public class DatabaseTypeService {
// 名称修改，下载地址修改需要删除原有的 driver
if (!Objects.equals(request.getDatabaseType(), data.getDatabaseType())
|| !Objects.equals(request.getJdbcDriverFileUrl(), data.getJdbcDriverFileUrl())) {
driverResources.delete(data.getDatabaseType());
driverResources.deleteByDatabaseType(data.getDatabaseType());
}
});
@ -74,7 +74,7 @@ public class DatabaseTypeService {
throw DomainErrors.MUST_NOT_MODIFY_SYSTEM_DEFAULT_DATABASE_TYPE.exception();
}
databaseTypeDao.deleteById(id);
driverResources.delete(data.getDatabaseType());
driverResources.deleteByDatabaseType(data.getDatabaseType());
});
}
@ -110,7 +110,7 @@ public class DatabaseTypeService {
}
public String resolveDriverClassName(DriverClassNameResolveRequest request) {
return driverResources.resolveSqlDriverNameFromJar(request.getJdbcDriverFileUrl());
return driverResources.resolveDriverClassName(request.getJdbcDriverFileUrl());
}
}

6
core/src/main/java/com/databasir/core/infrastructure/connection/CustomDatabaseConnectionFactory.java
View File

@ -36,8 +36,10 @@ public class CustomDatabaseConnectionFactory implements DatabaseConnectionFactor
@Override
public Connection getConnection(Context context) throws SQLException {
DatabaseTypePojo type = databaseTypeDao.selectByDatabaseType(context.getDatabaseType());
File driverFile = driverResources.loadOrDownload(context.getDatabaseType(), type.getJdbcDriverFileUrl());
String databaseType = context.getDatabaseType();
DatabaseTypePojo type = databaseTypeDao.selectByDatabaseType(databaseType);
File driverFile = driverResources.loadOrDownloadByDatabaseType(databaseType, type.getJdbcDriverFileUrl());
URLClassLoader loader = null;
try {
loader = new URLClassLoader(

195
core/src/main/java/com/databasir/core/infrastructure/driver/DriverResources.java
View File

@ -9,6 +9,7 @@ import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.HttpMethod;
import org.springframework.stereotype.Component;
import org.springframework.util.StreamUtils;
import org.springframework.web.client.RestClientException;
import org.springframework.web.client.RestTemplate;
import java.io.*;
@ -18,6 +19,7 @@ import java.net.URLClassLoader;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Optional;
import java.util.UUID;
import java.util.jar.JarFile;
@ -31,7 +33,7 @@ public class DriverResources {
private final RestTemplate restTemplate;
public void delete(String databaseType) {
public void deleteByDatabaseType(String databaseType) {
Path path = Paths.get(driverFilePath(driverBaseDirectory, databaseType));
try {
Files.deleteIfExists(path);
@ -40,9 +42,105 @@ public class DriverResources {
}
}
public Optional<File> loadByDatabaseType(String databaseType) {
Path path = Paths.get(driverFilePath(driverBaseDirectory, databaseType));
if (Files.exists(path)) {
return Optional.of(path.toFile());
} else {
return Optional.empty();
}
}
public File loadOrDownloadByDatabaseType(String databaseType, String driverFileUrl) {
return loadByDatabaseType(databaseType)
.orElseGet(() -> download(driverFileUrl, driverFilePath(driverBaseDirectory, databaseType)));
}
public String resolveDriverClassName(String driverFileUrl) {
String tempFilePath = "temp/" + UUID.randomUUID() + ".jar";
File driverFile = download(driverFileUrl, tempFilePath);
String className = resolveDriverClassName(driverFile);
try {
Files.deleteIfExists(driverFile.toPath());
} catch (IOException e) {
log.error("delete driver error " + tempFilePath, e);
}
return className;
}
public String resolveDriverClassName(File driverFile) {
JarFile jarFile = null;
try {
jarFile = new JarFile(driverFile);
} catch (IOException e) {
log.error("resolve driver class name error", e);
throw DomainErrors.DRIVER_CLASS_NOT_FOUND.exception(e.getMessage());
}
final JarFile driverJar = jarFile;
String driverClassName = jarFile.stream()
.filter(entry -> entry.getName().contains("META-INF/services/java.sql.Driver"))
.findFirst()
.map(entry -> {
InputStream stream = null;
BufferedReader reader = null;
try {
stream = driverJar.getInputStream(entry);
reader = new BufferedReader(new InputStreamReader(stream));
return reader.readLine();
} catch (IOException e) {
log.error("resolve driver class name error", e);
throw DomainErrors.DRIVER_CLASS_NOT_FOUND.exception(e.getMessage());
} finally {
IOUtils.closeQuietly(reader, ex -> log.error("close reader error", ex));
}
})
.orElseThrow(DomainErrors.DRIVER_CLASS_NOT_FOUND::exception);
IOUtils.closeQuietly(jarFile, ex -> log.error("close jar file error", ex));
return driverClassName;
}
private File download(String driverFileUrl, String targetFile) {
Path path = Path.of(targetFile);
// create parent directory
if (Files.notExists(path)) {
path.getParent().toFile().mkdirs();
try {
Files.createFile(path);
} catch (IOException e) {
log.error("create file error " + targetFile, e);
throw DomainErrors.DOWNLOAD_DRIVER_ERROR.exception(e.getMessage());
}
}
// download
try {
return restTemplate.execute(driverFileUrl, HttpMethod.GET, null, response -> {
if (response.getStatusCode().is2xxSuccessful()) {
File file = path.toFile();
FileOutputStream out = new FileOutputStream(file);
StreamUtils.copy(response.getBody(), out);
IOUtils.closeQuietly(out, ex -> log.error("close file error", ex));
log.info("{} download success ", targetFile);
return file;
} else {
log.error("{} download error from {}: {} ", targetFile, driverFileUrl, response);
throw DomainErrors.DOWNLOAD_DRIVER_ERROR.exception("驱动下载失败："
+ response.getStatusCode()
+ ", "
+ response.getStatusText());
}
});
} catch (RestClientException e) {
log.error(targetFile + " download driver error", e);
throw DomainErrors.DOWNLOAD_DRIVER_ERROR.exception(e.getMessage());
}
}
public void validateJar(String driverFileUrl, String className) {
String tempFilePath = "temp/" + UUID.randomUUID() + ".jar";
File driverFile = doDownload(driverFileUrl, tempFilePath);
File driverFile = download(driverFileUrl, tempFilePath);
URLClassLoader loader = null;
try {
loader = new URLClassLoader(
@ -75,99 +173,6 @@ public class DriverResources {
}
}
public String resolveSqlDriverNameFromJar(String driverFileUrl) {
String tempFilePath = "temp/" + UUID.randomUUID() + ".jar";
File driverFile = doDownload(driverFileUrl, tempFilePath);
String className = doResolveSqlDriverNameFromJar(driverFile);
try {
Files.deleteIfExists(driverFile.toPath());
} catch (IOException e) {
log.error("delete driver error " + tempFilePath, e);
}
return className;
}
public File loadOrDownload(String databaseType, String driverFileUrl) {
String filePath = driverFilePath(driverBaseDirectory, databaseType);
Path path = Path.of(filePath);
if (Files.exists(path)) {
// ignore
log.debug("{} already exists, ignore download from {}", filePath, driverFileUrl);
return path.toFile();
}
return this.doDownload(driverFileUrl, filePath);
}
private File doDownload(String driverFileUrl, String filePath) {
Path path = Path.of(filePath);
// create parent directory
if (Files.notExists(path)) {
path.getParent().toFile().mkdirs();
try {
Files.createFile(path);
} catch (IOException e) {
log.error("create file error " + filePath, e);
throw DomainErrors.DOWNLOAD_DRIVER_ERROR.exception(e.getMessage());
}
}
// download
try {
return restTemplate.execute(driverFileUrl, HttpMethod.GET, null, response -> {
if (response.getStatusCode().is2xxSuccessful()) {
File file = path.toFile();
FileOutputStream out = new FileOutputStream(file);
StreamUtils.copy(response.getBody(), out);
IOUtils.closeQuietly(out, ex -> log.error("close file error", ex));
log.info("{} download success ", filePath);
return file;
} else {
log.error("{} download error from {}: {} ", filePath, driverFileUrl, response);
throw DomainErrors.DOWNLOAD_DRIVER_ERROR.exception("驱动下载失败："
+ response.getStatusCode()
+ ", "
+ response.getStatusText());
}
});
} catch (IllegalArgumentException e) {
log.error(filePath + " download driver error", e);
throw DomainErrors.DOWNLOAD_DRIVER_ERROR.exception(e.getMessage());
}
}
private String doResolveSqlDriverNameFromJar(File driverFile) {
JarFile jarFile = null;
try {
jarFile = new JarFile(driverFile);
} catch (IOException e) {
log.error("resolve driver class name error", e);
throw DomainErrors.DRIVER_CLASS_NOT_FOUND.exception(e.getMessage());
}
final JarFile driverJar = jarFile;
String driverClassName = jarFile.stream()
.filter(entry -> entry.getName().contains("META-INF/services/java.sql.Driver"))
.findFirst()
.map(entry -> {
InputStream stream = null;
BufferedReader reader = null;
try {
stream = driverJar.getInputStream(entry);
reader = new BufferedReader(new InputStreamReader(stream));
return reader.readLine();
} catch (IOException e) {
log.error("resolve driver class name error", e);
throw DomainErrors.DRIVER_CLASS_NOT_FOUND.exception(e.getMessage());
} finally {
IOUtils.closeQuietly(reader, ex -> log.error("close reader error", ex));
}
})
.orElseThrow(DomainErrors.DRIVER_CLASS_NOT_FOUND::exception);
IOUtils.closeQuietly(jarFile, ex -> log.error("close jar file error", ex));
return driverClassName;
}
private String driverFilePath(String baseDir, String databaseType) {
String fileName = databaseType + ".jar";
String filePath;

14
core/src/test/java/com/databasir/core/domain/database/service/DatabaseTypeServiceTest.java
View File

@ -5,14 +5,20 @@ import com.databasir.core.BaseTest;
import com.databasir.core.domain.DomainErrors;
import com.databasir.core.domain.database.data.DatabaseTypeCreateRequest;
import com.databasir.core.domain.database.data.DatabaseTypeUpdateRequest;
import com.databasir.core.infrastructure.driver.DriverResources;
import com.databasir.dao.impl.DatabaseTypeDao;
import com.databasir.dao.tables.pojos.DatabaseTypePojo;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.Mockito;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.mock.mockito.MockBean;
import org.springframework.test.context.jdbc.Sql;
import org.springframework.transaction.annotation.Transactional;
import static org.mockito.ArgumentMatchers.anyString;
@Transactional
class DatabaseTypeServiceTest extends BaseTest {
@ -22,6 +28,14 @@ class DatabaseTypeServiceTest extends BaseTest {
@Autowired
private DatabaseTypeDao databaseTypeDao;
@MockBean
private DriverResources driverResources;
@BeforeEach
public void setUp() {
Mockito.doNothing().when(driverResources).validateJar(anyString(), anyString());
}
@Test
void create() {
DatabaseTypeCreateRequest request = new DatabaseTypeCreateRequest();