com.google.clearsilver.jsilver.adaptor

Class LoadPathToFileCache

java.lang.Object

com.google.clearsilver.jsilver.adaptor.LoadPathToFileCache

public class LoadPathToFileCache
extends Object

This class implements a cache of a list of loadpaths and a file name to the absolute file name where the file is located on the filesystem. The purpose is to avoid filesystem calls for common operations, like in which of these directories does this file exist? This class is threadsafe. Some of this code is copied from com.google.clearsilver.base.CSFileCache.

Constructor Summary

Constructors

Constructor and Description
LoadPathToFileCache(int capacity)

Method Summary

Methods

Modifier and Type	Method and Description
void	add(List<String> loadPaths, String filename, String filePath) Add a new mapping to the cache.
String	lookup(List<String> loadPaths, String filename) Lookup in the cache to see if we have a mapping from the given loadpaths and filename to an absolute file path.
static String	makeCacheKey(List<String> loadPaths, String filename)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LoadPathToFileCache

public LoadPathToFileCache(int capacity)

Method Detail

lookup

public String lookup(List<String> loadPaths,
            String filename)

Lookup in the cache to see if we have a mapping from the given loadpaths and filename to an absolute file path.

Parameters:

loadPaths - the ordered list of directories to search for the file.

filename - the name of the file.

Returns:

the absolute filepath location of the file, or null if not in the cache.

add

public void add(List<String> loadPaths,
       String filename,
       String filePath)

Add a new mapping to the cache.

Parameters:

loadPaths - the ordered list of directories to search for the file.

filename - the name of the file.

filePath - the absolute filepath location of the file

makeCacheKey

public static String makeCacheKey(List<String> loadPaths,
                  String filename)