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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;
-
- import java.io.File;
- import java.io.IOException;
- 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.fop.apps.FOPException;
- import org.apache.fop.fonts.autodetect.FontFileFinder;
- import org.apache.fop.util.LogUtil;
- import org.apache.xmlgraphics.util.ClasspathResource;
-
- /**
- * Detector of operating system and classpath fonts
- */
- public class FontDetector {
- private static Log log = LogFactory.getLog(FontDetector.class);
-
- private static final String[] FONT_MIMETYPES = {
- "application/x-font", "application/x-font-truetype"
- };
-
- private FontManager fontManager;
- private FontAdder fontAdder;
- private boolean strict;
-
- /**
- * Main constructor
- * @param manager the font manager
- * @param adder the font adder
- * @param strict true if an Exception should be thrown if an error is found.
- */
- public FontDetector(FontManager manager, FontAdder adder, boolean strict) {
- this.fontManager = manager;
- this.fontAdder = adder;
- this.strict = strict;
- }
-
- /**
- * 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(List/*<EmbedFontInfo>*/ fontInfoList) throws FOPException {
- // search in font base if it is defined and
- // is a directory but don't recurse
- FontFileFinder fontFileFinder = new FontFileFinder();
- String fontBaseURL = fontManager.getFontBaseURL();
- if (fontBaseURL != null) {
- try {
- File fontBase = FileUtils.toFile(new URL(fontBaseURL));
- 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
- }
- } catch (IOException e) {
- LogUtil.handleException(log, e, strict);
- }
- }
-
- // native o/s font directory finding
- List/*<URL>*/ systemFontList;
- try {
- systemFontList = fontFileFinder.find();
- fontAdder.add(systemFontList, fontInfoList);
- } catch (IOException e) {
- LogUtil.handleException(log, e, strict);
- }
-
- // classpath font finding
- ClasspathResource resource = ClasspathResource.getInstance();
- for (int i = 0; i < FONT_MIMETYPES.length; i++) {
- fontAdder.add(resource.listResourcesOfMimeType(FONT_MIMETYPES[i]), fontInfoList);
- }
- }
- }
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