AccessPermisions

This class helps to make some AccessPermissions into Frameworks. To make D2W more powerful.

Frameworks/Core/ERExtensions/Sources/er/extensions/security/ERXAccessPermission.java

@@ -0,0 +1,78 @@
+package er.extensions.security;
+
+import org.apache.log4j.Logger;
+
+/**
+ * AccessPermission
+ * 
+ * This class makes it easy to create AccessPermission into Frameworks.
+ *  
+ * The User can implement IERXAccessPermissionInterface and Delegate 
+ * and then do what he like.
+ * 
+ * @author ishimoto
+ *
+ */
+public class ERXAccessPermission implements IERXAccessPermissionInterface {
+
+  private static final Logger log = Logger.getLogger(ERXAccessPermission.class);
+
+  //********************************************************************
+  //  Singleton
+  //********************************************************************
+
+  public static ERXAccessPermission instance() {
+    return instance;
+  }
+  private static final ERXAccessPermission instance = new ERXAccessPermission();
+
+  private ERXAccessPermission() {}
+
+  //********************************************************************
+  //  Delegate
+  //********************************************************************
+
+  public void setDelegate(IERXAccessPermissionInterface delegate) {
+    this.delegate = delegate;
+  }
+  public IERXAccessPermissionInterface delegate() {
+    return delegate;
+  } 
+  private IERXAccessPermissionInterface delegate = null;
+
+  //********************************************************************
+  //  AccessPermission
+  //********************************************************************
+
+  public boolean can(String key) {
+    return canWithDefault(key, false);
+  }
+
+
+  public boolean canWithDefault(String key, boolean defaultValue) {
+    if(delegate() != null) {
+      return delegate().canWithDefault(key, defaultValue);
+    }
+
+    log.warn("No Delegate is set. Result for '" + key + "' is false.");
+    return false;
+  }
+
+  public boolean isDeveloper() {
+    if(delegate() != null) {
+      return delegate().isDeveloper();
+    }
+
+    log.warn("No Delegate is set. Result for 'isDeveloper' is false.");
+    return false;
+  }
+
+  public boolean isAdministrator() {
+    if(delegate() != null) {
+      return delegate().isAdministrator();
+    }
+
+    log.warn("No Delegate is set. Result for 'isAdministrator' is false.");
+    return false;
+  }
+}

Frameworks/Core/ERExtensions/Sources/er/extensions/security/IERXAccessPermissionInterface.java

@@ -0,0 +1,21 @@
+package er.extensions.security;
+
+/**
+ * <span class="ja">
+ * このクラスはアクセス権限に使用します
+ * </span>
+ * 
+ * @author ishimoto
+ *
+ */
+public interface IERXAccessPermissionInterface {
+
+  public boolean can(String key);
+
+  public boolean canWithDefault(String key, boolean defaultValue);
+
+  public boolean isDeveloper();
+
+  public boolean isAdministrator();
+
+}