Package javassist
Class URLClassPath
- java.lang.Object
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- javassist.URLClassPath
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Constructor Summary
Constructors Constructor Description URLClassPath(String host, int port, String directory, String packageName)Creates a search path specified with URL (http).
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static byte[]fetchClass(String host, int port, String directory, String classname)Reads a class file on an http server.URLfind(String classname)Returns the URL.InputStreamopenClassfile(String classname)Opens a class file with http.StringtoString()
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Constructor Detail
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URLClassPath
public URLClassPath(String host, int port, String directory, String packageName)
Creates a search path specified with URL (http).This search path is used only if a requested class name starts with the name specified by
packageName. IfpackageNameis "org.javassist." and a requested class is "org.javassist.test.Main", then the given URL is used for loading that class. TheURLClassPathobtains a class file from:http://www.javassist.org:80/java/classes/org/javassist/test/Main.class
Here, we assume that
hostis "www.javassist.org",portis 80, anddirectoryis "/java/classes/".If
packageNameisnull, the URL is used for loading any class.- Parameters:
host- host nameport- port numberdirectory- directory name ending with "/". It can be "/" (root directory). It must start with "/".packageName- package name. It must end with "." (dot).
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Method Detail
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openClassfile
public InputStream openClassfile(String classname)
Opens a class file with http.- Specified by:
openClassfilein interfaceClassPath- Parameters:
classname- a fully-qualified class name- Returns:
- null if the class file could not be found.
- See Also:
Translator
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fetchClass
public static byte[] fetchClass(String host, int port, String directory, String classname) throws IOException
Reads a class file on an http server.- Parameters:
host- host nameport- port numberdirectory- directory name ending with "/". It can be "/" (root directory). It must start with "/".classname- fully-qualified class name- Throws:
IOException
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