34 lines
1.1 KiB
Python
Executable File
34 lines
1.1 KiB
Python
Executable File
#!/usr/bin/env python3
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import sys
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import os
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import argparse
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def find_java_version(version):
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if sys.platform == 'darwin': # macOS
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jvm_dir = '/usr/local/opt'
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else: # Linux
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jvm_dir = '/usr/lib/jvm'
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available_versions = [d for d in os.listdir(jvm_dir) if version in d and os.path.isdir(os.path.join(jvm_dir, d)) and 'jdk' in d]
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if not available_versions:
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print(f"Error: Java version {version} not found in {jvm_dir}")
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sys.exit(1)
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return os.path.join(jvm_dir, available_versions[0])
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if __name__ == '__main__':
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agupa = argparse.ArgumentParser(description='Switch between installed Java versions. Usage: eval $(switch-java <version>)')
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agupa.add_argument('version', help='Java version to switch to')
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args = agupa.parse_args()
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version_path = find_java_version(args.version)
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# Create eval script to set JAVA_HOME and update PATH
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java_home = version_path
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new_path = f"{version_path}/bin:{os.getenv('PATH')}"
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# Output commands for `eval` to execute
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print(f"export JAVA_HOME='{java_home}'")
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print(f"export PATH='{new_path}'")
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