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/**
* Copyright 2011-2023 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package jogamp.graph.font;
import java.io.IOException;
import java.io.InputStream;
import java.net.URLConnection;
import com.jogamp.common.net.Uri;
import com.jogamp.common.os.Platform;
import com.jogamp.common.util.IOUtil;
import com.jogamp.common.util.IntObjectHashMap;
import com.jogamp.common.util.JarUtil;
import com.jogamp.common.util.SecurityUtil;
import com.jogamp.common.util.cache.TempJarCache;
import com.jogamp.graph.font.Font;
import com.jogamp.graph.font.FontSet;
import com.jogamp.graph.font.FontFactory;
import java.security.PrivilegedAction;
public abstract class FontLoaderImpl {
private static boolean attemptedJARLoading = false;
private static boolean useTempJARCache = false;
protected static boolean isOneSet(final int bits, final int bit) {
return 0 != ( bits & bit ) ;
}
protected synchronized Font readFont(final String fname, final Uri.Encoded jarName, final String absFontPath) throws IOException {
if( !attemptedJARLoading ) {
attemptedJARLoading = true;
Platform.initSingleton();
if( TempJarCache.isInitialized(false) ) {
try {
final Uri uri = JarUtil.getRelativeOf(FontLoaderImpl.class, null, jarName);
final Exception e0 = SecurityUtil.doPrivileged(new PrivilegedAction<Exception>() {
@Override
public Exception run() {
try {
TempJarCache.addResources(FontLoaderImpl.class, uri);
useTempJARCache = true;
return null;
} catch (final Exception e) {
return e;
}
} } );
if( null != e0 ) {
throw e0;
}
} catch(final Exception e1) {
System.err.println("Caught "+e1.getMessage());
e1.printStackTrace();
}
}
}
try {
final Font f = readFontImpl(absFontPath+fname);
if( null != f ) {
return f;
}
throw new IOException(String.format("Problem loading font %s, stream %s%s", fname, absFontPath, fname));
} catch(final Exception e) {
throw new IOException(String.format("Problem loading font %s, stream %s%s", fname, absFontPath, fname), e);
}
}
private Font readFontImpl(final String fname) throws IOException {
final InputStream stream;
if( useTempJARCache ) {
final Exception[] privErr = { null };
stream = SecurityUtil.doPrivileged(new PrivilegedAction<InputStream>() {
@Override
public InputStream run() {
try {
final Uri uri = TempJarCache.getResourceUri(fname);
return null != uri ? uri.toURL().openConnection().getInputStream() : null;
} catch (final Exception e) {
privErr[0] = e;
return null;
}
} } );
if( null != privErr[0] ) {
throw new IOException(privErr[0]);
}
} else {
final URLConnection urlConn = IOUtil.getResource(fname, getClass().getClassLoader(), null);
stream = null != urlConn ? urlConn.getInputStream() : null;
}
if(null != stream) {
return FontFactory.get ( stream, true ) ;
}
return null;
}
}
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