fallsea opened a new issue, #23388:
URL: https://github.com/apache/shardingsphere/issues/23388
## Override Driver Class
`org.apache.shardingsphere.driver.jdbc.core.driver.ShardingSphereDriverURL`
```java
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.shardingsphere.driver.jdbc.core.driver;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.util.Objects;
import com.ctrip.framework.apollo.ConfigFile;
import com.ctrip.framework.apollo.ConfigService;
import com.ctrip.framework.apollo.core.enums.ConfigFileFormat;
import com.google.common.base.Preconditions;
import lombok.SneakyThrows;
/**
* ShardingSphere driver URL.
*/
public final class ShardingSphereDriverURL {
private static final String CLASSPATH_TYPE = "classpath:";
private static final String APOLLO_TYPE = "apollo://";
private final String file;
private final boolean inClasspath;
private final boolean inApollo;
public ShardingSphereDriverURL(final String url) {
String configuredFile =
url.substring("jdbc:shardingsphere:".length(), url.contains("?") ?
url.indexOf("?") : url.length());
if (configuredFile.startsWith(APOLLO_TYPE)) {
file = configuredFile.substring(APOLLO_TYPE.length());
inApollo = true;
inClasspath = false;
}else if (configuredFile.startsWith(CLASSPATH_TYPE)) {
file = configuredFile.substring(CLASSPATH_TYPE.length());
inClasspath = true;
inApollo = false;
} else {
file = configuredFile;
inClasspath = false;
inApollo = false;
}
Preconditions.checkArgument(!file.isEmpty(), "Configuration file is
required in ShardingSphere driver URL.");
}
/**
* Generate to configuration bytes.
*
* @return generated configuration bytes
*/
@SneakyThrows(IOException.class)
public byte[] toConfigurationBytes() {
if(inApollo) {
int index = file.lastIndexOf('.');
String namespace = file;
ConfigFileFormat configFileFormat = ConfigFileFormat.Properties;
if(index>-1) {
namespace = file.substring(0,index);
configFileFormat =
ConfigFileFormat.fromString(file.substring(index+1));
}
ConfigFile configFile =
ConfigService.getConfigFile(namespace,configFileFormat);
return configFile.getContent().getBytes(StandardCharsets.UTF_8);
}else {
try (InputStream stream = inClasspath ?
ShardingSphereDriverURL.class.getResourceAsStream("/" + file) :
Files.newInputStream(new File(file).toPath())) {
Objects.requireNonNull(stream, String.format("Can not
find configuration file `%s`.", file));
BufferedReader reader = new BufferedReader(new
InputStreamReader(stream, StandardCharsets.UTF_8));
StringBuilder builder = new StringBuilder();
String line;
while ((line = reader.readLine()) != null) {
if (!line.startsWith("#")) {
builder.append(line).append('\n');
}
}
return
builder.toString().getBytes(StandardCharsets.UTF_8);
}
}
}
}
```
## Apollo Configuration
```yaml
spring:
datasource:
driver-class-name: org.apache.shardingsphere.driver.ShardingSphereDriver
url: jdbc:shardingsphere:apollo://sharding.txt
```
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