Package org.apache.bcel.util
Class ModularRuntimeImage
- java.lang.Object
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- org.apache.bcel.util.ModularRuntimeImage
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- All Implemented Interfaces:
Closeable
,AutoCloseable
public class ModularRuntimeImage extends Object implements Closeable
Wraps a Java 9 JEP 220 modular runtime image. Requires the JRT NIO file system.- Since:
- 6.3
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Constructor Summary
Constructors Constructor Description ModularRuntimeImage()
Constructs a default instance.ModularRuntimeImage(String javaHome)
Constructs an instance using the JRT file system implementation from a specific Java Home.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
close()
FileSystem
getFileSystem()
List<Path>
list(String dirName)
Lists all entries in the given directory.List<Path>
list(Path dirPath)
Lists all entries in the given directory.List<Path>
modules()
Lists all modules.List<Path>
packages()
Lists all packages.
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Constructor Detail
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ModularRuntimeImage
public ModularRuntimeImage() throws IOException
Constructs a default instance.- Throws:
IOException
- an I/O error occurs accessing the file system
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ModularRuntimeImage
public ModularRuntimeImage(String javaHome) throws IOException
Constructs an instance using the JRT file system implementation from a specific Java Home.- Parameters:
javaHome
- Path to a Java 9 or greater home.- Throws:
IOException
- an I/O error occurs accessing the file system
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Method Detail
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close
public void close() throws IOException
- Specified by:
close
in interfaceAutoCloseable
- Specified by:
close
in interfaceCloseable
- Throws:
IOException
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list
public List<Path> list(Path dirPath) throws IOException
Lists all entries in the given directory.- Parameters:
dirPath
- directory path.- Returns:
- a list of dir entries if an I/O error occurs
- Throws:
IOException
- an I/O error occurs accessing the file system
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list
public List<Path> list(String dirName) throws IOException
Lists all entries in the given directory.- Parameters:
dirName
- directory path.- Returns:
- a list of dir entries if an I/O error occurs
- Throws:
IOException
- an I/O error occurs accessing the file system
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modules
public List<Path> modules() throws IOException
Lists all modules.- Returns:
- a list of modules
- Throws:
IOException
- an I/O error occurs accessing the file system
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packages
public List<Path> packages() throws IOException
Lists all packages.- Returns:
- a list of modules
- Throws:
IOException
- an I/O error occurs accessing the file system
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getFileSystem
public FileSystem getFileSystem()
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