1 files changed, 83 insertions, 0 deletions
diff --git a/src/java/org/apache/fop/fonts/substitute/FontSubstitutionsConfigurator.java b/src/java/org/apache/fop/fonts/substitute/FontSubstitutionsConfigurator.java
new file mode 100644
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+++ b/src/java/org/apache/fop/fonts/substitute/FontSubstitutionsConfigurator.java
@@ -0,0 +1,83 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* $Id: $ */
+
+package org.apache.fop.fonts.substitute;
+
+import org.apache.avalon.framework.configuration.Configuration;
+import org.apache.fop.apps.FOPException;
+
+/**
+ * Configures a font substitution catalog
+ */
+public class FontSubstitutionsConfigurator {
+
+    private Configuration cfg = null;
+
+    /**
+     * Main constructor
+     * 
+     * @param cfg a configuration
+     */
+    public FontSubstitutionsConfigurator(Configuration cfg) {
+        this.cfg = cfg;
+    }
+    
+    private static FontQualifier getQualfierFromConfiguration(Configuration cfg)
+    throws FOPException {
+        String fontFamily = cfg.getAttribute("font-family", null);
+        if (fontFamily == null) {
+            throw new FOPException("substitution qualifier must have a font-family");
+        }
+        FontQualifier qualifier = new FontQualifier();
+        qualifier.setFontFamily(fontFamily);
+        String fontWeight = cfg.getAttribute("font-weight", null);
+        if (fontWeight != null) {
+            qualifier.setFontWeight(fontWeight);
+        }
+        String fontStyle = cfg.getAttribute("font-style", null);
+        if (fontStyle != null) {
+            qualifier.setFontStyle(fontStyle);
+        }
+        return qualifier;
+    }
+        
+    /**
+     * Configures a font substitution catalog
+     * 
+     * @param substitutions font substitutions
+     * @throws FOPException if something's wrong with the config data
+     */
+    public void configure(FontSubstitutions substitutions) throws FOPException {
+        Configuration[] substitutionCfgs = cfg.getChildren("substitution");
+        for (int i = 0; i < substitutionCfgs.length; i++) {
+            Configuration fromCfg = substitutionCfgs[i].getChild("from", false);
+            if (fromCfg == null) {
+                throw new FOPException("'substitution' element without child 'from' element");
+            }
+            Configuration toCfg = substitutionCfgs[i].getChild("to", false);
+            if (fromCfg == null) {
+                throw new FOPException("'substitution' element without child 'to' element");
+            }
+            FontQualifier fromQualifier = getQualfierFromConfiguration(fromCfg);                
+            FontQualifier toQualifier = getQualfierFromConfiguration(toCfg);
+            FontSubstitution substitution = new FontSubstitution(fromQualifier, toQualifier);
+            substitutions.add(substitution);
+        }
+    }
+}