[svn-r29226] HDFFV-9552: merge in java code.

2016-02-28 21:43:00 -05:00
parent a1617b7cdb
commit 63249be0e1
290 changed files with 74248 additions and 46 deletions
--- a/java/examples/intro/H5_CreateAttribute.java
+++ b/java/examples/intro/H5_CreateAttribute.java
@@ -0,0 +1,145 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group.                                               *
+ * Copyright by the Board of Trustees of the University of Illinois.         *
+ * All rights reserved.                                                      *
+ *                                                                           *
+ * This file is part of HDF5.  The full HDF5 copyright notice, including     *
+ * terms governing use, modification, and redistribution, is contained in    *
+ * the files COPYING and Copyright.html.  COPYING can be found at the root   *
+ * of the source code distribution tree; Copyright.html can be found at the  *
+ * root level of an installed copy of the electronic HDF5 document set and   *
+ * is linked from the top-level documents page.  It can also be found at     *
+ * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
+ * access to either file, you may request a copy from help@hdfgroup.org.     *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/************************************************************
+    Creating a dataset attribute.
+ ************************************************************/
+
+package examples.intro;
+
+import hdf.hdf5lib.H5;
+import hdf.hdf5lib.HDF5Constants;
+
+public class H5_CreateAttribute {
+    private static String FILENAME = "H5_CreateAttribute.h5";
+    private static String DATASETNAME = "dset";
+    private static final int DIM_X = 4;
+    private static final int DIM_Y = 6;
+    private static String DATASETATTRIBUTE = "Units";
+
+    private static void CreateDatasetAttribute() {
+        long file_id = -1;
+        long dataspace_id = -1;
+        long dataset_id = -1;
+        long attribute_id = -1;
+        long[] dims1 = { DIM_X, DIM_Y };
+        long[] dims = { 2 };
+        int[] attr_data = { 100, 200 };
+
+        // Create a new file using default properties.
+        try {
+            file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT,
+                    HDF5Constants.H5P_DEFAULT);
+        }
+        catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        // Create the data space for the dataset.
+        try {
+            dataspace_id = H5.H5Screate_simple(2, dims1, null);
+        }
+        catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        // Create the dataset.
+        try {
+            if ((file_id >= 0) && (dataspace_id >= 0))
+                dataset_id = H5.H5Dcreate(file_id, "/" + DATASETNAME, HDF5Constants.H5T_STD_I32BE, dataspace_id,
+                        HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT);
+        }
+        catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        // Terminate access to the data space.
+        try {
+            if (dataspace_id >= 0)
+                H5.H5Sclose(dataspace_id);
+        }
+        catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        // Create the data space for the attribute.
+        try {
+            dataspace_id = H5.H5Screate_simple(1, dims, null);
+        }
+        catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        // Create a dataset attribute.
+        try {
+            if ((dataset_id >= 0) && (dataspace_id >= 0))
+                attribute_id = H5.H5Acreate(dataset_id, DATASETATTRIBUTE, HDF5Constants.H5T_STD_I32BE, dataspace_id,
+                        HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT);
+        }
+        catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        // Write the attribute data.
+        try {
+            if (attribute_id >= 0)
+                H5.H5Awrite(attribute_id, HDF5Constants.H5T_NATIVE_INT, attr_data);
+        }
+        catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        // Close the attribute.
+        try {
+            if (attribute_id >= 0)
+                H5.H5Aclose(attribute_id);
+        }
+        catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        // Close the dataspace.
+        try {
+            if (dataspace_id >= 0)
+                H5.H5Sclose(dataspace_id);
+        }
+        catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        // Close to the dataset.
+        try {
+            if (dataset_id >= 0)
+                H5.H5Dclose(dataset_id);
+        }
+        catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        // Close the file.
+        try {
+            if (file_id >= 0)
+                H5.H5Fclose(file_id);
+        }
+        catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    public static void main(String[] args) {
+        H5_CreateAttribute.CreateDatasetAttribute();
+    }
+
+}