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Align new FileSystemUtils NIO implementation with original behavior 

Issue: SPR-15845
Issue: SPR-15846
This commit is contained in:
Juergen Hoeller 2017-08-03 14:21:00 +02:00
parent 08dfce2cb5
commit fabc9c28d7
1 changed files with 30 additions and 24 deletions
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54
spring-core/src/main/java/org/springframework/util/FileSystemUtils.java
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@ -22,6 +22,7 @@ import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.StandardCopyOption;
import java.nio.file.attribute.BasicFileAttributes;
import org.springframework.lang.Nullable;
@ -51,15 +52,16 @@ public abstract class FileSystemUtils {
* otherwise {@code false}
*/
public static boolean deleteRecursively(@Nullable File root) {
if (root != null) {
try {
return deleteRecursively(root.toPath());
}
catch (IOException ex) {
return false;
}
if (root == null) {
return false;
}
try {
return deleteRecursively(root.toPath());
}
catch (IOException ex) {
return false;
}
return false;
}
/**
@ -72,22 +74,26 @@ public abstract class FileSystemUtils {
* @since 5.0
*/
public static boolean deleteRecursively(@Nullable Path root) throws IOException {
if (root != null) {
Files.walkFileTree(root, new SimpleFileVisitor<Path>() {
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
Files.delete(file);
return FileVisitResult.CONTINUE;
}
@Override
public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
Files.delete(dir);
return FileVisitResult.CONTINUE;
}
});
return Files.deleteIfExists(root);
if (root == null) {
return false;
}
return false;
if (!Files.exists(root)) {
return false;
}
Files.walkFileTree(root, new SimpleFileVisitor<Path>() {
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
Files.delete(file);
return FileVisitResult.CONTINUE;
}
@Override
public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
Files.delete(dir);
return FileVisitResult.CONTINUE;
}
});
return true;
}
/**
@ -125,7 +131,7 @@ public abstract class FileSystemUtils {
}
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
Files.copy(file, dest.resolve(src.relativize(file)));
Files.copy(file, dest.resolve(src.relativize(file)), StandardCopyOption.REPLACE_EXISTING);
return FileVisitResult.CONTINUE;
}
});