1 files changed, 144 insertions, 0 deletions
diff --git a/src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/TempFiles.java b/src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/TempFiles.java
new file mode 100644
index 00000000..797b9b7c
--- /dev/null
+++ b/src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/TempFiles.java
@@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package com.sun.xml.internal.org.jvnet.mimepull;
+
+import java.io.File;
+import java.io.IOException;
+import java.lang.reflect.Array;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * Helper utility to support jdk <= jdk1.6. After jdk1.6 EOL reflection can be removed and API can be used directly.
+ */
+class TempFiles {
+
+    private static final Logger LOGGER = Logger.getLogger(TempFiles.class.getName());
+
+    private static final Class<?> CLASS_FILES;
+    private static final Class<?> CLASS_PATH;
+    private static final Class<?> CLASS_FILE_ATTRIBUTE;
+    private static final Class<?> CLASS_FILE_ATTRIBUTES;
+    private static final Method METHOD_FILE_TO_PATH;
+    private static final Method METHOD_FILES_CREATE_TEMP_FILE;
+    private static final Method METHOD_FILES_CREATE_TEMP_FILE_WITHPATH;
+
+    private static final Method METHOD_PATH_TO_FILE;
+
+    private static boolean useJdk6API;
+
+    static {
+        useJdk6API = isJdk6();
+
+        CLASS_FILES = safeGetClass("java.nio.file.Files");
+        CLASS_PATH = safeGetClass("java.nio.file.Path");
+        CLASS_FILE_ATTRIBUTE = safeGetClass("java.nio.file.attribute.FileAttribute");
+        CLASS_FILE_ATTRIBUTES = safeGetClass("[Ljava.nio.file.attribute.FileAttribute;");
+        METHOD_FILE_TO_PATH = safeGetMethod(File.class, "toPath");
+        METHOD_FILES_CREATE_TEMP_FILE = safeGetMethod(CLASS_FILES, "createTempFile", String.class, String.class, CLASS_FILE_ATTRIBUTES);
+        METHOD_FILES_CREATE_TEMP_FILE_WITHPATH = safeGetMethod(CLASS_FILES, "createTempFile", CLASS_PATH, String.class, String.class, CLASS_FILE_ATTRIBUTES);
+        METHOD_PATH_TO_FILE = safeGetMethod(CLASS_PATH, "toFile");
+    }
+
+    private static boolean isJdk6() {
+        String javaVersion = System.getProperty("java.version");
+        LOGGER.log(Level.FINEST, "Detected java version = {0}", javaVersion);
+        return javaVersion.startsWith("1.6.");
+    }
+
+    private static Class<?> safeGetClass(String className) {
+        // it is jdk 6 or something failed already before
+        if (useJdk6API) return null;
+        try {
+            return Class.forName(className);
+        } catch (ClassNotFoundException e) {
+            LOGGER.log(Level.SEVERE, "Exception cought", e);
+            LOGGER.log(Level.WARNING, "Class {0} not found. Temp files will be created using old java.io API.", className);
+            useJdk6API = true;
+            return null;
+        }
+    }
+
+    private static Method safeGetMethod(Class<?> clazz, String methodName, Class<?>... parameterTypes) {
+        // it is jdk 6 or something failed already before
+        if (useJdk6API) return null;
+        try {
+            return clazz.getMethod(methodName, parameterTypes);
+        } catch (NoSuchMethodException e) {
+            LOGGER.log(Level.SEVERE, "Exception cought", e);
+            LOGGER.log(Level.WARNING, "Method {0} not found. Temp files will be created using old java.io API.", methodName);
+            useJdk6API = true;
+            return null;
+        }
+    }
+
+
+    static Object toPath(File f) throws InvocationTargetException, IllegalAccessException {
+        return METHOD_FILE_TO_PATH.invoke(f);
+    }
+
+    static File toFile(Object path) throws InvocationTargetException, IllegalAccessException {
+        return (File) METHOD_PATH_TO_FILE.invoke(path);
+    }
+
+    static File createTempFile(String prefix, String suffix, File dir) throws IOException {
+
+        if (useJdk6API) {
+            LOGGER.log(Level.FINEST, "Jdk6 detected, temp file (prefix:{0}, suffix:{1}) being created using old java.io API.", new Object[]{prefix, suffix});
+            return File.createTempFile(prefix, suffix, dir);
+
+        } else {
+
+            try {
+                if (dir != null) {
+                    Object path = toPath(dir);
+                    LOGGER.log(Level.FINEST, "Temp file (path: {0}, prefix:{1}, suffix:{2}) being created using NIO API.", new Object[]{dir.getAbsolutePath(), prefix, suffix});
+                    return toFile(METHOD_FILES_CREATE_TEMP_FILE_WITHPATH.invoke(null, path, prefix, suffix, Array.newInstance(CLASS_FILE_ATTRIBUTE, 0)));
+                } else {
+                    LOGGER.log(Level.FINEST, "Temp file (prefix:{0}, suffix:{1}) being created using NIO API.", new Object[]{prefix, suffix});
+                    return toFile(METHOD_FILES_CREATE_TEMP_FILE.invoke(null, prefix, suffix, Array.newInstance(CLASS_FILE_ATTRIBUTE, 0)));
+                }
+
+            } catch (IllegalAccessException e) {
+                LOGGER.log(Level.SEVERE, "Exception caught", e);
+                LOGGER.log(Level.WARNING, "Error invoking java.nio API, temp file (path: {0}, prefix:{1}, suffix:{2}) being created using old java.io API.",
+                        new Object[]{dir != null ? dir.getAbsolutePath() : null, prefix, suffix});
+                return File.createTempFile(prefix, suffix, dir);
+
+            } catch (InvocationTargetException e) {
+                LOGGER.log(Level.SEVERE, "Exception caught", e);
+                LOGGER.log(Level.WARNING, "Error invoking java.nio API, temp file (path: {0}, prefix:{1}, suffix:{2}) being created using old java.io API.",
+                        new Object[]{dir != null ? dir.getAbsolutePath() : null, prefix, suffix});
+                return File.createTempFile(prefix, suffix, dir);
+            }
+        }
+
+    }
+
+
+}