From 447741d6ec30058e1dcbd0db090e0841eecaff18 Mon Sep 17 00:00:00 2001
From: Joel Dice <git@seibutsu.mailsnare.net>
Date: Mon, 28 Sep 2009 17:45:47 -0600
Subject: [PATCH] implement java.io.File.renameTo

---
 classpath/java-io.cpp       | 21 +++++++++++++++++++++
 classpath/java/io/File.java |  6 ++++++
 2 files changed, 27 insertions(+)

diff --git a/classpath/java-io.cpp b/classpath/java-io.cpp
index 22a480cc77..9908d1b813 100644
--- a/classpath/java-io.cpp
+++ b/classpath/java-io.cpp
@@ -355,6 +355,27 @@ Java_java_io_File_delete(JNIEnv* e, jclass, jstring path)
   }
 }
 
+extern "C" JNIEXPORT jboolean JNICALL
+Java_java_io_File_rename(JNIEnv* e, jclass, jstring old, jstring new_)
+{
+  const char* oldChars = e->GetStringUTFChars(old, 0);
+  const char* newChars = e->GetStringUTFChars(new_, 0);
+  if (oldChars) {
+    bool v;
+    if (newChars) {
+      v = rename(oldChars, newChars) == 0;
+
+      e->ReleaseStringUTFChars(new_, newChars);
+    } else {
+      v = false;
+    }
+    e->ReleaseStringUTFChars(old, oldChars);
+    return v;
+  } else {
+    return false;
+  }
+}
+
 extern "C" JNIEXPORT jboolean JNICALL
 Java_java_io_File_isDirectory(JNIEnv* e, jclass, jstring path)
 {
diff --git a/classpath/java/io/File.java b/classpath/java/io/File.java
index 48c8078aed..da87db791e 100644
--- a/classpath/java/io/File.java
+++ b/classpath/java/io/File.java
@@ -35,6 +35,12 @@ public class File {
     this(parent.getPath() + FileSeparator + child);
   }
 
+  public static native boolean rename(String old, String new_);
+
+  public boolean renameTo(File newName) {
+    return rename(path, newName.path);
+  }
+
   private static native boolean isDirectory(String path);
 
   public boolean isDirectory() {