/**
* GRANITE DATA SERVICES
* Copyright (C) 2006-2015 GRANITE DATA SERVICES S.A.S.
*
* This file is part of the Granite Data Services Platform.
*
* Granite Data Services is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Granite Data Services is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
* General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA, or see <http://www.gnu.org/licenses/>.
*/
package org.granite.client.android.scan;
import java.io.IOException;
import java.lang.annotation.Annotation;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.Set;
import org.granite.client.configuration.ClassScanner;
import org.granite.logging.Logger;
import android.content.Context;
import dalvik.system.DexFile;
/**
* @author Franck WOLFF
*/
public class DexClassScanner implements ClassScanner {
private static final Logger log = Logger.getLogger(DexClassScanner.class);
private final Context context;
public DexClassScanner(Context context) {
this.context = context;
}
@Override
public Set<Class<?>> scan(Set<String> packageNames, Class<? extends Annotation> annotationClass) {
String[] packageNamesDot = new String[packageNames.size()];
int i = 0;
for (String packageName : packageNames)
packageNamesDot[i++] = packageName + '.';
Set<Class<?>> classes = new HashSet<Class<?>>();
try {
DexFile dex = new DexFile(context.getApplicationInfo().sourceDir);
ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
Enumeration<String> entries = dex.entries();
while (entries.hasMoreElements()) {
String entry = entries.nextElement();
for (String packageName : packageNamesDot) {
if (entry.startsWith(packageName)) {
try {
Class<?> cls = classLoader.loadClass(entry);
if (cls.isAnnotationPresent(annotationClass))
classes.add(classLoader.loadClass(entry));
}
catch (Throwable t) {
log.error(t, "Could not scan class: %s", entry);
}
break;
}
}
}
}
catch (IOException e) {
log.error(e, "Could not scan classes for @RemoteAlias anotations");
}
return classes;
}
}