rebuilding head

[mir.git] / source / mir / bundle / PropertiesBundle.java

diff --git a/source/mir/bundle/PropertiesBundle.java b/source/mir/bundle/PropertiesBundle.java
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+++ b/source/mir/bundle/PropertiesBundle.java
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+/*
+ * Copyright (C) 2001, 2002 The Mir-coders group
+ *
+ * This file is part of Mir.
+ *
+ * Mir 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Mir 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 Mir; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * In addition, as a special exception, The Mir-coders gives permission to link
+ * the code of this program with  any library licensed under the Apache Software License,
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
+ * (or with modified versions of the above that use the same license as the above),
+ * and distribute linked combinations including the two.  You must obey the
+ * GNU General Public License in all respects for all of the code used other than
+ * the above mentioned libraries.  If you modify this file, you may extend this
+ * exception to your version of the file, but you are not obligated to do so.
+ * If you do not wish to do so, delete this exception statement from your version.
+ */
+package mir.bundle;
+
+import java.util.Properties;
+import java.util.List;
+import java.util.Iterator;
+
+import mir.util.StringParseRoutines;
+
+/**
+ * Bundle implementation using a {@link Properties}
+ * object.
+ */
+
+public class PropertiesBundle implements Bundle {
+  private Properties properties;
+
+  public PropertiesBundle(Properties aProperties) {
+    properties = aProperties;
+  }
+
+  private String formatValue(String anExpression, List anArguments) {
+    StringBuffer result = new StringBuffer();
+
+    List parts = StringParseRoutines.parseBracketedExpression(
+        anExpression, '\\', "{", "}" );
+
+    Iterator i = parts.iterator();
+    while (i.hasNext()) {
+      result.append(i.next());
+      if (i.hasNext()) {
+        String expression = (String) i.next();
+        try {
+          int parameterNr = Integer.parseInt(expression);
+          if (parameterNr>=0 && parameterNr<anArguments.size()) {
+            result.append(anArguments.get(parameterNr));
+          }
+        }
+        catch (Throwable t) {
+        }
+      }
+    }
+
+    return result.toString();
+  }
+
+  /** {@inheritDoc} */
+  public String getValue(String aKey, List anArguments) {
+    String result = (String) properties.get(aKey);
+
+    if (result==null || result.trim().length()==0)
+      return null;
+    else
+      return formatValue(result, anArguments);
+  }
+}