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Merge "FS: Allow userHome to be set and cached"

This commit is contained in:
Chris Aniszczyk 2011-03-15 11:05:37 -04:00 committed by Code Review
parent aa5f9ecdf2 a4a00ea8f1
commit 786707fdfe
1 changed files with 21 additions and 3 deletions
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24
org.eclipse.jgit/src/org/eclipse/jgit/util/FS.java
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@ -99,7 +99,7 @@ public static FS detect(Boolean cygwinUsed) {
return new FS_POSIX_Java5();
}
private final File userHome;
private volatile Holder<File> userHome;
private volatile Holder<File> gitPrefix;
@ -107,7 +107,7 @@ public static FS detect(Boolean cygwinUsed) {
* Constructs a file system abstraction.
*/
protected FS() {
this.userHome = userHomeImpl();
// Do nothing by default.
}
/**
@ -182,7 +182,25 @@ public File resolve(final File dir, final String name) {
* @return the user's home directory; null if the user does not have one.
*/
public File userHome() {
return userHome;
Holder<File> p = userHome;
if (p == null) {
p = new Holder<File>(userHomeImpl());
userHome = p;
}
return p.value;
}
/**
* Set the user's home directory location.
*
* @param path
* the location of the user's preferences; null if there is no
* home directory for the current user.
* @return {@code this}.
*/
public FS setUserHome(File path) {
userHome = new Holder<File>(path);
return this;
}
/**