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author | mcentner <mcentner@8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4> | 2010-01-26 16:27:27 +0000 |
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committer | mcentner <mcentner@8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4> | 2010-01-26 16:27:27 +0000 |
commit | 84cd553cc40d9850fcd865887219d907693af0e6 (patch) | |
tree | 2d1d9054f42845ce951c9b2c2239178c803443d3 /BKUApplet/src/main/java/at/gv/egiz/bku/online/applet/viewer/URLFontLoader.java | |
parent | 667af128d0adfeee2aa4748ab58411c91bc4905f (diff) | |
parent | 7a5310b43849124095d97af3103c4fdaeeacbbbb (diff) | |
download | mocca-84cd553cc40d9850fcd865887219d907693af0e6.tar.gz mocca-84cd553cc40d9850fcd865887219d907693af0e6.tar.bz2 mocca-84cd553cc40d9850fcd865887219d907693af0e6.zip |
git-svn-id: https://joinup.ec.europa.eu/svn/mocca/branches/mocca-1.2.11-sha2@602 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4
Diffstat (limited to 'BKUApplet/src/main/java/at/gv/egiz/bku/online/applet/viewer/URLFontLoader.java')
-rw-r--r-- | BKUApplet/src/main/java/at/gv/egiz/bku/online/applet/viewer/URLFontLoader.java | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/BKUApplet/src/main/java/at/gv/egiz/bku/online/applet/viewer/URLFontLoader.java b/BKUApplet/src/main/java/at/gv/egiz/bku/online/applet/viewer/URLFontLoader.java new file mode 100644 index 00000000..49615887 --- /dev/null +++ b/BKUApplet/src/main/java/at/gv/egiz/bku/online/applet/viewer/URLFontLoader.java @@ -0,0 +1,82 @@ +/* + * Copyright 2008 Federal Chancellery Austria and + * Graz University of Technology + * + * 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 at.gv.egiz.bku.online.applet.viewer; + +import at.gv.egiz.bku.gui.viewer.FontProviderException; +import at.gv.egiz.bku.gui.viewer.FontProvider; +import java.awt.Font; +import java.awt.FontFormatException; +import java.io.IOException; +import java.net.MalformedURLException; +import java.net.URL; +import java.util.concurrent.ExecutionException; +import javax.swing.SwingWorker; +import org.apache.commons.logging.Log; +import org.apache.commons.logging.LogFactory; + +/** + * + * @author Clemens Orthacker <clemens.orthacker@iaik.tugraz.at> + */ +public class URLFontLoader extends SwingWorker<Font, Object> implements FontProvider { + + protected static final Log log = LogFactory.getLog(URLFontLoader.class); + protected URL fontURL; + protected Font font; + + public URLFontLoader(URL codebase) throws MalformedURLException { + this.fontURL = new URL(codebase, SANSMONO_FONT_RESOURCE); + if (log.isDebugEnabled()) { + log.debug("[" + Thread.currentThread().getName() + "] setting font load URL: " + fontURL); + } + } + + public void loadInBackground() { + if (log.isDebugEnabled()) { + log.debug("[" + Thread.currentThread().getName() + "] scheduling font loading in background: " + fontURL); + } + this.execute(); + } + + @Override + protected Font doInBackground() throws MalformedURLException, FontFormatException, IOException { + if (log.isDebugEnabled()) { + log.debug("[" + Thread.currentThread().getName() + "] loading font in background..."); + } + return Font.createFont(Font.TRUETYPE_FONT, fontURL.openStream()); + } + + /** + * waits for loadInBackground to finish + * @return the font loaded in loadInbackground + * @throws Exception + */ + @Override + public Font getFont() throws FontProviderException { + log.debug("[" + Thread.currentThread().getName() + "] get font (EDT?)"); + try { + return get(); + } catch (InterruptedException ex) { + log.error("font loader interrupted"); +// Thread.currentThread().interrupt(); + throw new FontProviderException("font loader interrupted", ex); + } catch (ExecutionException ex) { + log.error("failed to load font", ex.getCause()); + throw new FontProviderException("failed to load font", ex.getCause()); + } + } +} |