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| -rw-r--r-- | src/net/java/dev/typecast/app/editor/MacOSFilenameFilter.java | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/net/java/dev/typecast/app/editor/MacOSFilenameFilter.java b/src/net/java/dev/typecast/app/editor/MacOSFilenameFilter.java new file mode 100644 index 0000000..1de98fd --- /dev/null +++ b/src/net/java/dev/typecast/app/editor/MacOSFilenameFilter.java @@ -0,0 +1,96 @@ +/* + * $Id: MacOSFilenameFilter.java,v 1.1 2007-02-09 00:53:28 davidsch Exp $ + * + * Typecast - The Font Development Environment + * + * Copyright (c) 2004 David Schweinsberg + * + * Licensed 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. + */ + +package net.java.dev.typecast.app.editor; + +import java.io.BufferedInputStream; +import java.io.DataInputStream; +import java.io.File; +import java.io.FileInputStream; +import java.io.FilenameFilter; +import java.io.FileNotFoundException; +import java.io.IOException; + +import net.java.dev.typecast.ot.mac.ResourceHeader; +import net.java.dev.typecast.ot.mac.ResourceMap; +import net.java.dev.typecast.ot.mac.ResourceType; + +/** + * A FilenameFilter implementation that includes font files based on their + * extension and also by the presence of fonts in the resource fork. + * @author <a href="mailto:[email protected]">David Schweinsberg</a> + * @version $Id: MacOSFilenameFilter.java,v 1.1 2007-02-09 00:53:28 davidsch Exp $ + */ +public class MacOSFilenameFilter implements FilenameFilter { + + /** Creates a new instance of MacOSFilenameFilter */ + public MacOSFilenameFilter() { + } + + public boolean accept(File dir, String name) { + if (name.endsWith(".ttf") + || name.endsWith(".ttc") + || name.endsWith(".otf") + || name.endsWith(".dfont") + || name.endsWith(".suit")) { + return true; + } else if (name.indexOf('.') == -1) { + + // This filename has no extension, so we'll look into any + // resource fork. But first, if there is data in the data fork, + // then we'll reject this as a font file + File dataFork = new File(dir, name); + if (dataFork.length() > 0) { + return false; + } + + // OK, go for the resource fork + File file = new File(dataFork, "..namedfork/rsrc"); + if (file.exists() && file.length() > 0) { + try { + DataInputStream dis = new DataInputStream( + new BufferedInputStream( + new FileInputStream(file), (int) file.length())); + dis.mark((int) file.length()); + + // Is this a Macintosh font suitcase resource? + ResourceHeader resourceHeader = new ResourceHeader(dis); + + // Seek to the map offset and read the map + dis.reset(); + dis.skip(resourceHeader.getMapOffset()); + ResourceMap map = new ResourceMap(dis); + + // Get any 'sfnt' resources + ResourceType resourceType = map.getResourceType("sfnt"); + dis.close(); + if (resourceType != null) { + return true; + } + } catch (FileNotFoundException e) { + // ignore + } catch (IOException e) { + // ignore + } + } + } + return false; + } +} |