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7003006: add option to list directory in deterministic order

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Reviewed-by: mcimadamore
This commit is contained in:
Jonathan Gibbons 2010-11-29 10:09:48 -08:00
parent cba5c7df9f
commit 68ea64e30f
1 changed files with 23 additions and 0 deletions
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23
langtools/src/share/classes/com/sun/tools/javac/file/JavacFileManager.java
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@ -25,6 +25,7 @@
package com.sun.tools.javac.file;
import java.util.Comparator;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
@ -110,6 +111,20 @@ public class JavacFileManager extends BaseFileManager implements StandardJavaFil
protected boolean mmappedIO;
protected boolean ignoreSymbolFile;
protected enum SortFiles implements Comparator<File> {
FORWARD {
public int compare(File f1, File f2) {
return f1.getName().compareTo(f2.getName());
}
},
REVERSE {
public int compare(File f1, File f2) {
return -f1.getName().compareTo(f2.getName());
}
};
};
protected SortFiles sortFiles;
/**
* Register a Context.Factory to create a JavacFileManager.
*/
@ -152,6 +167,11 @@ public class JavacFileManager extends BaseFileManager implements StandardJavaFil
mmappedIO = options.isSet("mmappedIO");
ignoreSymbolFile = options.isSet("ignore.symbol.file");
String sf = options.get("sortFiles");
if (sf != null) {
sortFiles = (sf.equals("reverse") ? SortFiles.REVERSE : SortFiles.FORWARD);
}
}
public JavaFileObject getFileForInput(String name) {
@ -293,6 +313,9 @@ public class JavacFileManager extends BaseFileManager implements StandardJavaFil
if (files == null)
return;
if (sortFiles != null)
Arrays.sort(files, sortFiles);
for (File f: files) {
String fname = f.getName();
if (f.isDirectory()) {