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support to get template config file according to the datasource (veso…
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67 changes: 67 additions & 0 deletions
67
exchange-common/src/main/java/com/vesoft/exchange/common/FileMigrate.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| /* Copyright (c) 2023 vesoft inc. All rights reserved. | ||
| * | ||
| * This source code is licensed under Apache 2.0 License. | ||
| */ | ||
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| package com.vesoft.exchange.common; | ||
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| import java.io.BufferedReader; | ||
| import java.io.BufferedWriter; | ||
| import java.io.File; | ||
| import java.io.FileWriter; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.io.InputStreamReader; | ||
|
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| public class FileMigrate { | ||
| //Logger log = Logger.getLogger(FileMigrate.class); | ||
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| /** | ||
| * migrate the source file to target path | ||
| * | ||
| * @param sourceFile template config file | ||
| * @param path target path to save the config info | ||
| */ | ||
| public void saveConfig(String sourceFile, String path) { | ||
| InputStream inputStream = | ||
| this.getClass().getClassLoader().getResourceAsStream(sourceFile); | ||
| if (inputStream == null) { | ||
| System.exit(-1); | ||
| } | ||
| File file = new File(path); | ||
| if (file.exists()) { | ||
| file.delete(); | ||
| } | ||
| FileWriter writer = null; | ||
| BufferedWriter bufferedWriter = null; | ||
| BufferedReader reader = null; | ||
| try { | ||
| writer = new FileWriter(path); | ||
| bufferedWriter = new BufferedWriter(writer); | ||
|
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| reader = new BufferedReader(new InputStreamReader(inputStream)); | ||
| String line = null; | ||
| while ((line = reader.readLine()) != null) { | ||
| bufferedWriter.write(line); | ||
| bufferedWriter.write("\n"); | ||
| } | ||
| } catch (IOException e) { | ||
| System.out.println("Failed to migrate the template conf file:" + e.getMessage()); | ||
| e.printStackTrace(); | ||
| } finally { | ||
| try { | ||
| if (bufferedWriter != null) { | ||
| bufferedWriter.close(); | ||
| } | ||
| if (reader != null) { | ||
| reader.close(); | ||
| } | ||
| } catch (IOException e) { | ||
| System.out.println("Failed to close the writer or reader:" + e.getMessage()); | ||
| e.printStackTrace(); | ||
| } | ||
| } | ||
|
|
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| } | ||
| } |
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