Fix and fine-tune suppress_nulls.

[squelch.git] / src / main / java / net / jaekl / squelch / db / Setting.java

diff --git a/src/main/java/net/jaekl/squelch/db/Setting.java b/src/main/java/net/jaekl/squelch/db/Setting.java
new file mode 100644 (file)
index 0000000..85934ce
--- /dev/null
+++ b/src/main/java/net/jaekl/squelch/db/Setting.java
@@ -0,0 +1,61 @@
+package net.jaekl.squelch.db;
+
+import java.util.Locale;
+
+public class Setting {
+       private String m_name;
+       private Class<?> m_type;
+       private Object m_value;
+       
+       public Setting(String name, Class<?> type, Object defaultValue)
+       {
+               m_name = name;
+               m_type = type;
+               m_value = defaultValue;
+       }
+       
+       public String getName() { return m_name; }
+       
+       public boolean getBoolean() 
+       { 
+               assert(Boolean.class == m_type);
+               
+               if (m_value instanceof Boolean) {
+                       return ((Boolean)m_value).booleanValue();
+               }
+               return false;
+       }
+       
+       public void set(Object value) 
+       {
+               if (Boolean.class == m_type) {
+                       if (value instanceof String) {
+                               m_value = parseBoolean((String)value);
+                       }
+                       else if (value instanceof Boolean) {
+                               m_value = value;
+                       }
+               }
+               else {
+                       throw new IllegalArgumentException("This type not yet supported.");
+               }
+       }
+
+       private boolean parseBoolean(String value) 
+       {
+               if (null == value) {
+                       return false;
+               }
+               
+               String setting = value.trim().toLowerCase(Locale.CANADA);
+               
+               if (setting.equals("yes") || setting.equals("true")  || setting.equals("on")  || setting.equals("1")) {
+                       return true;
+               }
+               if (setting.equals("no")  || setting.equals("false") || setting.equals("off") || setting.equals("0")) {
+                       return false;
+               }
+               
+               throw new IllegalArgumentException("UnrecognizedBooleanValue:  \"" + value + "\"");
+       }
+}