| /* |
| * 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; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.net.URL; |
| import java.util.List; |
| |
| import org.apache.commons.io.FileUtils; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| import org.apache.xmlgraphics.util.ClasspathResource; |
| |
| import org.apache.fop.apps.FOPException; |
| import org.apache.fop.fonts.autodetect.FontFileFinder; |
| import org.apache.fop.util.LogUtil; |
| |
| /** |
| * A factory that provides the font detecting machanism. |
| */ |
| public final class FontDetectorFactory { |
| private FontDetectorFactory() { |
| } |
| |
| /** |
| * Creates the default font detector |
| * @return the default font detector |
| */ |
| public static FontDetector createDefault() { |
| return new DefaultFontDetector(); |
| } |
| |
| /** |
| * Creates a disabled font detector which, by definition, does nothing to detect fonts. |
| * @return the completely restricted font detector |
| */ |
| public static FontDetector createDisabled() { |
| return new DisabledFontDetector(); |
| } |
| |
| |
| private static class DisabledFontDetector implements FontDetector { |
| public void detect(FontManager fontManager, FontAdder fontAdder, boolean strict, |
| FontEventListener eventListener, List<EmbedFontInfo> fontInfoList) |
| throws FOPException { |
| // nop |
| } |
| } |
| |
| /** |
| * Detector of operating system and classpath fonts |
| */ |
| private static class DefaultFontDetector implements FontDetector { |
| private static Log log = LogFactory.getLog(DefaultFontDetector.class); |
| |
| private static final String[] FONT_MIMETYPES = { |
| "application/x-font", "application/x-font-truetype" |
| }; |
| |
| /** |
| * Detect installed fonts on the system |
| * @param fontInfoList a list of fontinfo to populate |
| * @throws FOPException thrown if a problem occurred during detection |
| */ |
| public void detect(FontManager fontManager, FontAdder fontAdder, boolean strict, |
| FontEventListener eventListener, List<EmbedFontInfo> fontInfoList) |
| throws FOPException { |
| try { |
| // search in font base if it is defined and |
| // is a directory but don't recurse |
| FontFileFinder fontFileFinder = new FontFileFinder(eventListener); |
| URI fontBaseURI = fontManager.getResourceResolver().getBaseURI(); |
| File fontBase = FileUtils.toFile(fontBaseURI.toURL()); |
| if (fontBase != null) { |
| List<URL> fontURLList = fontFileFinder.find(fontBase.getAbsolutePath()); |
| fontAdder.add(fontURLList, fontInfoList); |
| |
| //Can only use the font base URL if it's a file URL |
| } |
| |
| // native o/s font directory finding |
| List<URL> systemFontList; |
| systemFontList = fontFileFinder.find(); |
| fontAdder.add(systemFontList, fontInfoList); |
| |
| // classpath font finding |
| ClasspathResource resource = ClasspathResource.getInstance(); |
| for (String mimeTypes : FONT_MIMETYPES) { |
| fontAdder.add(resource.listResourcesOfMimeType(mimeTypes), fontInfoList); |
| } |
| } catch (IOException e) { |
| LogUtil.handleException(log, e, strict); |
| } catch (URISyntaxException use) { |
| LogUtil.handleException(log, use, strict); |
| } |
| } |
| } |
| } |