jvr 0.3.2

A simple and easy-to-use Java version manager (registry: jvr), similar to Node.js's nvm, but it does not follow nvm's naming convention. Otherwise, it would be named 'jvm', which could cause command conflicts or ambiguity.
Documentation
/*
 * Copyright © 2024 the original author or authors.
 *
 * Licensed 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.
 */

// ----------------------------------------------------------------

pub const JAVA_HOME: &str = "JAVA_HOME";
pub const JAVA_HOME_BIN: &str = "$JAVA_HOME/bin"; // Unix format
pub const JAVA_HOME_BIN_WINDOWS: &str = r"%JAVA_HOME%\bin"; // Windows format

// ----------------------------------------------------------------

pub const JVR_CMD_NAME: &str = "jvr";
pub const JVR_HOME_DIR_NAME: &str = ".jvr";
pub const JVR_CONFIGURE_FILE_NAME: &str = "config.json";

pub const JVR_BEGIN: &str = "# >>> jvr managed >>>";
pub const JVR_END: &str = "# <<< jvr managed <<<";

// ----------------------------------------------------------------

pub const JVR_OS_WINDOWS_ENVIRONMENT_USER_SUB_KEY: &str = "Environment";
pub const JVR_OS_WINDOWS_ENVIRONMENT_SYSTEM_SUB_KEY: &str =
    r"SYSTEM\CurrentControlSet\Control\Session Manager\Environment";

// ----------------------------------------------------------------

pub const OS_WINDOWS: &str = "windows";
pub const OS_LINUX: &str = "linux";
pub const OS_MACOS: &str = "macos";

// ----------------------------------------------------------------

pub const PATH_ENVIRONMENT_VARIABLE_WINDOWS: &str = "Path";
pub const PATH_ENVIRONMENT_VARIABLE_UNIX: &str = "PATH";