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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.util.List;
-
- import org.apache.xml.utils.URI;
- import org.apache.xml.utils.URI.MalformedURIException;
-
- /**
- * Font info stored in the cache
- */
- public class CachedFontInfo extends EmbedFontInfo {
-
- /** Serialization Version UID */
- private static final long serialVersionUID = 240028291961081894L;
-
- /** file modify date (if available) */
- private long lastModified = -1;
-
- /**
- * Returns a file given a list of urls
- * @param urls array of possible font urls
- * @return file font file
- */
- public static File getFileFromUrls(String[] urls) {
- for (int i = 0; i < urls.length; i++) {
- String urlStr = urls[i];
- if (urlStr != null) {
- if (urlStr.startsWith("file:")) {
- URI uri;
- try {
- uri = new URI(urlStr);
- urlStr = uri.getPath();
- } catch (MalformedURIException e) {
- // do nothing
- }
- }
- File fontFile = new File(urlStr);
- if (fontFile.exists() && fontFile.canRead()) {
- return fontFile;
- }
- }
- }
- return null;
- }
-
- /**
- * Default constructor
- * @param metricsFile metrics file
- * @param kerning kerning
- * @param fontTriplets font triplets
- * @param embedFile embed file
- * @param lastModified timestamp that this font was last modified
- */
- public CachedFontInfo(String metricsFile, boolean kerning, List fontTriplets,
- String embedFile, long lastModified) {
- super(metricsFile, kerning, fontTriplets, embedFile);
- this.lastModified = lastModified;
- }
-
- /**
- * Constructor
- * @param fontInfo an existing embed font info
- */
- public CachedFontInfo(EmbedFontInfo fontInfo) {
- super(fontInfo.metricsFile, fontInfo.kerning, fontInfo.fontTriplets, fontInfo.embedFile);
- // try and determine modified date
- File fontFile = getFileFromUrls(new String[] {embedFile, metricsFile});
- if (fontFile != null ) {
- this.lastModified = fontFile.lastModified();
- }
- }
-
- /**
- * Gets the modified timestamp for font file (not always available)
- * @return modified timestamp
- */
- public long lastModified() {
- return this.lastModified;
- }
-
- /**
- * Gets the modified timestamp for font file
- * (used for the purposes of font info caching)
- * @param lastModified modified font file timestamp
- */
- public void setLastModified(long lastModified) {
- this.lastModified = lastModified;
- }
-
- /**
- * @return string representation of this object
- * @see java.lang.Object#toString()
- */
- public String toString() {
- return super.toString() + ", lastModified=" + lastModified;
- }
- }
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