org.apache.fop.fonts.autodetect.NativeFontDirFinder Maven / Gradle / Ivy
/*
* 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: NativeFontDirFinder.java 1761020 2016-09-16 11:17:35Z ssteiner $ */
package org.apache.fop.fonts.autodetect;
import java.io.File;
import java.util.List;
/**
* Native font finder base class
*/
public abstract class NativeFontDirFinder implements FontDirFinder {
/**
* Generic method used by Mac and Unix font finders.
* @return list of natively existing font directories
* {@inheritDoc}
*/
public List find() {
List fontDirList = new java.util.ArrayList();
String[] searchableDirectories = getSearchableDirectories();
if (searchableDirectories != null) {
for (String searchableDirectory : searchableDirectories) {
File fontDir = new File(searchableDirectory);
if (fontDir.exists() && fontDir.canRead()) {
fontDirList.add(fontDir);
}
}
}
return fontDirList;
}
/**
* Returns an array of directories to search for fonts in.
* @return an array of directories
*/
protected abstract String[] getSearchableDirectories();
}