#41 Create VStringArray types

Author: shroffk

epics-vtype/vtype/src/main/java/org/epics/vtype/IVStringArray.java

@@ -0,0 +1,45 @@
+package org.epics.vtype;
+
+import java.util.List;
+
+import org.epics.util.array.ListInteger;
+
+public class IVStringArray extends VStringArray {
+
+    private final List<String> data;
+    private final ListInteger sizes;
+    private final Alarm alarm;
+    private final Time time;
+
+    IVStringArray(List<String> data, ListInteger sizes, Alarm alarm, Time time) {
+        VType.argumentNotNull("data", data);
+        VType.argumentNotNull("sizes", sizes);
+        VType.argumentNotNull("alarm", alarm);
+        VType.argumentNotNull("time", time);
+        this.data = data;
+        this.alarm = alarm;
+        this.time = time;
+        this.sizes = sizes;
+    }
+
+    @Override
+    public ListInteger getSizes() {
+        return sizes;
+    }
+
+    @Override
+    public List<String> getData() {
+        return data;
+    }
+
+    @Override
+    public Alarm getAlarm() {
+        return alarm;
+    }
+
+    @Override
+    public Time getTime() {
+        return time;
+    }
+
+}

epics-vtype/vtype/src/main/java/org/epics/vtype/VStringArray.java

@@ -0,0 +1,43 @@
+package org.epics.vtype;
+
+import java.util.List;
+
+import org.epics.util.array.ArrayInteger;
+import org.epics.util.array.ListInteger;
+
+public abstract class VStringArray extends Array implements AlarmProvider, TimeProvider {
+
+    @Override
+    public abstract List<String> getData();
+
+
+    public static VStringArray of(List<String> data, ListInteger sizes, Alarm alarm, Time time) {
+        return new IVStringArray(data, sizes, alarm, time);
+    }
+    
+    public static VStringArray of(List<String> data, Alarm alarm, Time time) {
+        return of(data, ArrayInteger.of(data.size()), alarm, time);
+    }
+
+    public static VStringArray of(List<String> data) {
+        return of(data, Alarm.none(), Time.now());
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder builder = new StringBuilder();
+        Class type = typeOf(this);
+        builder.append(type.getSimpleName())
+                .append("[");
+        builder.append(getData());
+        builder.append(", size ")
+                .append(getSizes())
+                .append(", ")
+                .append(getAlarm())
+                .append(", ")
+                .append(getTime())
+                .append(']');
+        return builder.toString();
+    }
+
+}

epics-vtype/vtype/src/main/java/org/epics/vtype/VType.java

@@ -41,6 +41,7 @@ public abstract class VType {
             VShortArray.class,
             VUByteArray.class,
             VByteArray.class,
+            VStringArray.class,
             VImage.class, 
             VTable.class);
 

epics-vtype/vtype/src/test/java/org/epics/vtype/VStringArrayTest.java

@@ -0,0 +1,37 @@
+/**
+ * Copyright information and license terms for this software can be
+ * found in the file LICENSE.TXT included with the distribution.
+ */
+package org.epics.vtype;
+
+import static org.hamcrest.Matchers.equalTo;
+import static org.junit.Assert.assertThat;
+
+import java.time.Instant;
+import java.util.Arrays;
+
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ *
+ * @author shroffk
+ */
+public class VStringArrayTest {
+    
+    private Time testTime;
+
+    @Before
+    public void setUp() {
+        testTime = Time.of(Instant.ofEpochSecond(1354719441, 521786982));
+    }
+
+    @Test
+    public void newVStringArray() {
+        Alarm alarm = Alarm.of(AlarmSeverity.MINOR, AlarmStatus.DB, "LOW");
+        VStringArray value = VStringArray.of(Arrays.asList("ONE", "TWO", "THREE"), alarm, testTime);
+        assertThat(value.getData(), equalTo(Arrays.asList("ONE", "TWO", "THREE")));
+        assertThat(value.toString(),
+                equalTo(String.format("VStringArray[[ONE, TWO, THREE], size [3], %s, %s]", alarm.toString(), testTime.toString())));
+    }
+}