Add configuration backend wrapped around a plugin store.

diff --git a/src/main/java/net/pterodactylus/sone/freenet/PluginStoreConfigurationBackend.java b/src/main/java/net/pterodactylus/sone/freenet/PluginStoreConfigurationBackend.java
new file mode 100644 (file)
index 0000000..e942b19
--- /dev/null
+++ b/src/main/java/net/pterodactylus/sone/freenet/PluginStoreConfigurationBackend.java
@@ -0,0 +1,133 @@
+/*
+ * FreenetSone - PluginStoreConfigurationBackend.java - Copyright © 2010 David Roden
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package net.pterodactylus.sone.freenet;
+
+import net.pterodactylus.util.config.Configuration;
+import net.pterodactylus.util.config.ConfigurationException;
+import net.pterodactylus.util.config.ExtendedConfigurationBackend;
+import freenet.pluginmanager.PluginStore;
+
+/**
+ * Backend for a {@link Configuration} that is based on a {@link PluginStore}.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class PluginStoreConfigurationBackend implements ExtendedConfigurationBackend {
+
+       /** The backing plugin store. */
+       private final PluginStore pluginStore;
+
+       /**
+        * Creates a new configuration backend based on a plugin store.
+        *
+        * @param pluginStore
+        *            The backing plugin store
+        */
+       public PluginStoreConfigurationBackend(PluginStore pluginStore) {
+               this.pluginStore = pluginStore;
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public String getValue(String attribute) throws ConfigurationException {
+               return pluginStore.strings.get(attribute);
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public void putValue(String attribute, String value) throws ConfigurationException {
+               pluginStore.strings.put(attribute, value);
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public Boolean getBooleanValue(String attribute) throws ConfigurationException {
+               return pluginStore.booleans.get(attribute);
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public void setBooleanValue(String attribute, Boolean value) throws ConfigurationException {
+               pluginStore.booleans.put(attribute, value);
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public Double getDoubleValue(String attribute) throws ConfigurationException {
+               String stringValue = pluginStore.strings.get(attribute);
+               if (stringValue == null) {
+                       return null;
+               }
+               try {
+                       return Double.valueOf(pluginStore.strings.get(attribute));
+               } catch (NumberFormatException nfe1) {
+                       throw new ConfigurationException("Could not parse “" + stringValue + "”.", nfe1);
+               }
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public void setDoubleValue(String attribute, Double value) throws ConfigurationException {
+               pluginStore.strings.put(attribute, String.valueOf(value));
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public Integer getIntegerValue(String attribute) throws ConfigurationException {
+               return pluginStore.integers.get(attribute);
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public void setIntegerValue(String attribute, Integer value) throws ConfigurationException {
+               pluginStore.integers.put(attribute, value);
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public Long getLongValue(String attribute) throws ConfigurationException {
+               return pluginStore.longs.get(attribute);
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public void setLongValue(String attribute, Long value) throws ConfigurationException {
+               pluginStore.longs.put(attribute, value);
+       }
+
+}