Abstract native file-locking and directory detection/creation to portable classes LockFile and FileSysDir; resolves QPID-1148

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@702513 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 62 insertions, 0 deletions

diff --git a/cpp/src/qpid/sys/FileSysDir.h b/cpp/src/qpid/sys/FileSysDir.h
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+++ b/cpp/src/qpid/sys/FileSysDir.h
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+#ifndef QPID_SYS_FILESYSDIR_H
+#define QPID_SYS_FILESYSDIR_H
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+#include <string>
+
+namespace qpid {
+namespace sys {
+
+/**
+ * @class FileSysDir
+ *
+ * Represents a filesystem directory accessible from the local host.
+ * This class simply checks existence of, and creates, a directory. It could
+ * be added to later to list contents, etc.
+ */
+class FileSysDir
+{
+    const std::string dirPath;
+
+  public:
+
+    FileSysDir (std::string path) : dirPath(path) {}
+    ~FileSysDir () {}
+
+    /**
+     * Check to see if the directory exists and is a directory. Throws an
+     * exception if there is an error checking existence or if the path
+     * exists but is not a directory.
+     *
+     * @retval true if the path exists and is a directory.
+     * @retval false if the path does not exist.
+     */
+    bool exists (void) const;
+
+    void mkdir(void);
+
+    std::string getPath   () { return dirPath; }
+};
+ 
+}} // namespace qpid::sys
+
+#endif  /*!QPID_SYS_FILESYSDIR_H*/