Author: ozeigermann
Date: Sat Jul 28 10:46:21 2007
New Revision: 560580
URL: http://svn.apache.org/viewvc?view=rev&rev=560580
Log:
Completed file helpers
Modified:
jakarta/commons/proper/transaction/branches/TRANSACTION_2/src/java/org/apache/commons/transaction/util/FileHelper.java
Modified:
jakarta/commons/proper/transaction/branches/TRANSACTION_2/src/java/org/apache/commons/transaction/util/FileHelper.java
URL:
http://svn.apache.org/viewvc/jakarta/commons/proper/transaction/branches/TRANSACTION_2/src/java/org/apache/commons/transaction/util/FileHelper.java?view=diff&rev=560580&r1=560579&r2=560580
==============================================================================
---
jakarta/commons/proper/transaction/branches/TRANSACTION_2/src/java/org/apache/commons/transaction/util/FileHelper.java
(original)
+++
jakarta/commons/proper/transaction/branches/TRANSACTION_2/src/java/org/apache/commons/transaction/util/FileHelper.java
Sat Jul 28 10:46:21 2007
@@ -30,18 +30,18 @@
* @version $Id: FileHelper.java 493628 2007-01-07 01:42:48Z joerg $
*/
public final class FileHelper {
-
+
public static byte[] readInto(File file) throws IOException {
long length = file.length();
-
+
// XXX we can't do more than int
- byte[] result = new byte[(int)length];
+ byte[] result = new byte[(int) length];
InputStream is = new BufferedInputStream(new FileInputStream(file));
is.read(result);
return result;
}
-
- public static void copyUsingNIO(File sourceFile, File destinationFile)
throws IOException {
+
+ public static void copy(File sourceFile, File destinationFile) throws
IOException {
// try again using NIO copy
FileInputStream fis = null;
FileOutputStream fos = null;
@@ -62,23 +62,25 @@
}
}
- public static boolean moveUsingNIO(File sourceFile, File destinationFile)
throws IOException {
+ public static boolean move(File sourceFile, File destinationFile) throws
IOException {
// try fast file-system-level move/rename first
boolean success = sourceFile.renameTo(destinationFile);
if (!success) {
- copyUsingNIO(sourceFile, destinationFile);
+ copy(sourceFile, destinationFile);
success = sourceFile.delete();
}
return success;
}
-
+
/**
* Deletes a file specified by a path.
- *
- * @param path path of file to be deleted
- * @return <code>true</code> if file has been deleted, <code>false</code>
otherwise
+ *
+ * @param path
+ * path of file to be deleted
+ * @return <code>true</code> if file has been deleted, <code>false</code>
+ * otherwise
*/
public static boolean deleteFile(String path) {
File file = new File(path);
@@ -87,14 +89,105 @@
/**
* Checks if a file specified by a path exits.
- *
- * @param path path of file to be checked
- * @return <code>true</code> if file exists, <code>false</code> otherwise
+ *
+ * @param path
+ * path of file to be checked
+ * @return <code>true</code> if file exists, <code>false</code>
+ * otherwise
*/
public static boolean fileExists(String path) {
File file = new File(path);
return file.exists();
}
+ public static void copyRecursive(File source, File target) throws
IOException {
+ if (source.isDirectory()) {
+ if (!target.exists()) {
+ target.mkdirs();
+ }
+ if (target.isDirectory()) {
+
+ File[] files = source.listFiles();
+ for (int i = 0; i < files.length; i++) {
+ File file = files[i];
+ File targetFile = new File(target, file.getName());
+ if (file.isFile()) {
+ if (targetFile.exists()) {
+ targetFile.delete();
+ }
+ copy(file, targetFile);
+ } else {
+ targetFile.mkdirs();
+ copyRecursive(file, targetFile);
+ }
+ }
+ }
+ } else {
+ if (!target.isDirectory()) {
+ if (!target.exists()) {
+ File dir = target.getParentFile();
+ if (!dir.exists() && !dir.mkdirs()) {
+ throw new IOException("Could not create target
directory: " + dir);
+ }
+ if (!target.createNewFile()) {
+ throw new IOException("Could not create target file: "
+ target);
+ }
+ }
+ copy(source, target);
+ }
+ }
+ }
+
+ public static void moveRecursive(File source, File target) throws
IOException {
+ // try fast file-system-level move/rename first
+ if (source.renameTo(target))
+ return;
+
+ if (source.isDirectory()) {
+ if (!target.exists()) {
+ target.mkdirs();
+ }
+ if (target.isDirectory()) {
+ File[] files = source.listFiles();
+ for (int i = 0; i < files.length; i++) {
+ File file = files[i];
+ File targetFile = new File(target, file.getName());
+ if (file.isFile()) {
+ if (targetFile.exists()) {
+ targetFile.delete();
+ }
+ if (!file.renameTo(targetFile)) {
+ copy(file, targetFile);
+ file.delete();
+ }
+ } else {
+ if (!targetFile.exists()) {
+ if (!targetFile.mkdirs()) {
+ throw new IOException("Could not create target
directory: "
+ + targetFile);
+ }
+ }
+ moveRecursive(file, targetFile);
+ }
+ }
+ source.delete();
+ }
+ } else {
+ if (!target.isDirectory()) {
+ copy(source, target);
+ source.delete();
+ }
+ }
+ }
+
+ public static void removeRecursive(File toRemove) {
+ if (toRemove.isDirectory()) {
+ File fileList[] = toRemove.listFiles();
+ for (int a = 0; a < fileList.length; a++) {
+ removeRecursive(fileList[a]);
+ }
+ }
+ toRemove.delete();
+ }
}
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