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- /*
- * 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.fop.apps.FOPException;
- import org.apache.fop.configuration.Configuration;
-
- /**
- * Configures a font substitution catalog
- */
- public class FontSubstitutionsConfigurator {
-
- private Configuration cfg;
-
- /**
- * 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 (Configuration substitutionCfg : substitutionCfgs) {
- Configuration fromCfg = substitutionCfg.getChild("from", false);
- if (fromCfg == null) {
- throw new FOPException("'substitution' element without child 'from' element");
- }
- Configuration toCfg = substitutionCfg.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);
- }
- }
- }
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