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Improve (nano & less) command configuration management
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75 changes: 75 additions & 0 deletions
75
reader/src/main/java/org/jline/reader/ConfigurationPath.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| /* | ||
| * Copyright (c) 2002-2019, the original author or authors. | ||
| * | ||
| * This software is distributable under the BSD license. See the terms of the | ||
| * BSD license in the documentation provided with this software. | ||
| * | ||
| * https://opensource.org/licenses/BSD-3-Clause | ||
| */ | ||
| package org.jline.reader; | ||
|
|
||
| import java.io.IOException; | ||
| import java.nio.file.Path; | ||
|
|
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| public class ConfigurationPath { | ||
| private Path appConfig; | ||
| private Path userConfig; | ||
|
|
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| /** | ||
| * Configuration class constructor. | ||
| * @param appConfig Application configuration directory | ||
| * @param userConfig User private configuration directory | ||
| */ | ||
| public ConfigurationPath(Path appConfig, Path userConfig) { | ||
| this.appConfig = appConfig; | ||
| this.userConfig = userConfig; | ||
| } | ||
|
|
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| /** | ||
| * Search configuration file first from userConfig and then appConfig directory. Returns null if file is not found. | ||
| * @param name Configuration file name. | ||
| * @return Configuration file. | ||
| * | ||
| */ | ||
| public Path getConfig(String name) { | ||
| Path out = null; | ||
| if (userConfig != null && userConfig.resolve(name).toFile().exists()) { | ||
| out = userConfig.resolve(name); | ||
| } else if (appConfig != null && appConfig.resolve(name).toFile().exists()) { | ||
| out = appConfig.resolve(name); | ||
| } | ||
| return out; | ||
| } | ||
|
|
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| /** | ||
| * Search configuration file from userConfig directory. Returns null if file is not found. | ||
| * @param name Configuration file name. | ||
| * @return Configuration file. | ||
| * @throws IOException When we do not have read access to the file or directory. | ||
| * | ||
| */ | ||
| public Path getUserConfig(String name) throws IOException { | ||
| return getUserConfig(name, false); | ||
| } | ||
|
|
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| /** | ||
| * Search configuration file from userConfig directory. Returns null if file is not found. | ||
| * @param name Configuration file name | ||
| * @param create When true configuration file is created if not found. | ||
| * @return Configuration file. | ||
| * @throws IOException When we do not have read/write access to the file or directory. | ||
| */ | ||
| public Path getUserConfig(String name, boolean create) throws IOException { | ||
| Path out = null; | ||
| if (userConfig != null) { | ||
| if (!userConfig.resolve(name).toFile().exists() && create) { | ||
| userConfig.resolve(name).toFile().createNewFile(); | ||
| } | ||
| if (userConfig.resolve(name).toFile().exists()) { | ||
| out = userConfig.resolve(name); | ||
| } | ||
| } | ||
| return out; | ||
| } | ||
|
|
||
| } |