1 files changed, 107 insertions, 0 deletions
diff --git a/libs/utils/WordPressUtils/src/main/java/org/wordpress/android/util/MapUtils.java b/libs/utils/WordPressUtils/src/main/java/org/wordpress/android/util/MapUtils.java
new file mode 100644
index 000000000..c6e72dc5b
--- /dev/null
+++ b/libs/utils/WordPressUtils/src/main/java/org/wordpress/android/util/MapUtils.java
@@ -0,0 +1,107 @@
+package org.wordpress.android.util;
+
+import java.util.Date;
+import java.util.Map;
+
+/**
+ * wrappers for extracting values from a Map object
+ */
+public class MapUtils {
+    /*
+     * returns a String value for the passed key in the passed map
+     * always returns "" instead of null
+     */
+    public static String getMapStr(final Map<?, ?> map, final String key) {
+        if (map == null || key == null || !map.containsKey(key) || map.get(key) == null) {
+            return "";
+        }
+        return map.get(key).toString();
+    }
+
+    /*
+     * returns an int value for the passed key in the passed map
+     * defaultValue is returned if key doesn't exist or isn't a number
+     */
+    public static int getMapInt(final Map<?, ?> map, final String key) {
+        return getMapInt(map, key, 0);
+    }
+    public static int getMapInt(final Map<?, ?> map, final String key, int defaultValue) {
+        try {
+            return Integer.parseInt(getMapStr(map, key));
+        } catch (NumberFormatException e) {
+            return defaultValue;
+        }
+    }
+
+    /*
+     * long version of above
+     */
+    public static long getMapLong(final Map<?, ?> map, final String key) {
+        return getMapLong(map, key, 0);
+    }
+    public static long getMapLong(final Map<?, ?> map, final String key, long defaultValue) {
+        try {
+            return Long.parseLong(getMapStr(map, key));
+        } catch (NumberFormatException e) {
+            return defaultValue;
+        }
+    }
+
+    /*
+     * float version of above
+     */
+    public static float getMapFloat(final Map<?, ?> map, final String key) {
+        return getMapFloat(map, key, 0);
+    }
+    public static float getMapFloat(final Map<?, ?> map, final String key, float defaultValue) {
+        try {
+            return Float.parseFloat(getMapStr(map, key));
+        } catch (NumberFormatException e) {
+            return defaultValue;
+        }
+    }
+
+    /*
+     * double version of above
+     */
+    public static double getMapDouble(final Map<?, ?> map, final String key) {
+        return getMapDouble(map, key, 0);
+    }
+    public static double getMapDouble(final Map<?, ?> map, final String key, double defaultValue) {
+        try {
+            return Double.parseDouble(getMapStr(map, key));
+        } catch (NumberFormatException e) {
+            return defaultValue;
+        }
+    }
+
+    /*
+     * returns a date object from the passed key in the passed map
+     * returns null if key doesn't exist or isn't a date
+     */
+    public static Date getMapDate(final Map<?, ?> map, final String key) {
+        if (map == null || key == null || !map.containsKey(key))
+            return null;
+        try {
+            return (Date) map.get(key);
+        } catch (ClassCastException e) {
+            return null;
+        }
+    }
+
+    /*
+     * returns a boolean value from the passed key in the passed map
+     * returns true unless key doesn't exist, or the value is "0" or "false"
+     */
+    public static boolean getMapBool(final Map<?, ?> map, final String key) {
+        String value = getMapStr(map, key);
+        if (value.isEmpty())
+            return false;
+        if (value.startsWith("0")) // handles "0" and "0.0"
+            return false;
+        if (value.equalsIgnoreCase("false"))
+            return false;
+        // all other values are assume to be true
+        return true;
+    }
+}