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/**
* Copyright 2011 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 com.jogamp.common.os;
import java.lang.reflect.Field;
import com.jogamp.common.util.IntObjectHashMap;
import com.jogamp.common.util.ReflectionUtil;
public class AndroidVersion {
public static final boolean isAvailable;
/** Development codename, or the string "REL" for official release */
public static final String CODENAME;
/** internal build value used by the underlying source control. */
public static final String INCREMENTAL;
/** official build version string */
public static final String RELEASE;
/** SDK Version number, key to VERSION_CODES */
public static final int SDK_INT;
/** SDK Version string */
public static final String SDK_NAME;
private static final String androidBuildVersion = "android.os.Build$VERSION";
private static final String androidBuildVersionCodes = "android.os.Build$VERSION_CODES";
static {
final ClassLoader cl = AndroidVersion.class.getClassLoader();
Class<?> abvClass = null;
Object abvObject= null;
Class<?> abvcClass = null;
Object abvcObject= null;
try {
abvClass = ReflectionUtil.getClass(androidBuildVersion, true, cl);
abvObject = abvClass.newInstance();
abvcClass = ReflectionUtil.getClass(androidBuildVersionCodes, true, cl);
abvcObject = abvcClass.newInstance();
} catch (Exception e) { /* n/a */ }
isAvailable = null != abvObject;
if(isAvailable) {
CODENAME = getString(abvClass, abvObject, "CODENAME");
INCREMENTAL = getString(abvClass, abvObject, "INCREMENTAL");
RELEASE = getString(abvClass, abvObject, "RELEASE");
SDK_INT = getInt(abvClass, abvObject, "SDK_INT");
final IntObjectHashMap version_codes = getVersionCodes(abvcClass, abvcObject);
final String sdk_name = (String) version_codes.get(SDK_INT);
SDK_NAME = ( null != sdk_name ) ? sdk_name : "SDK_"+SDK_INT ;
} else {
CODENAME = null;
INCREMENTAL = null;
RELEASE = null;
SDK_INT = -1;
SDK_NAME = null;
}
}
private static final IntObjectHashMap getVersionCodes(Class<?> cls, Object obj) {
final Field[] fields = cls.getFields();
IntObjectHashMap map = new IntObjectHashMap( 3 * fields.length / 2, 0.75f );
for(int i=0; i<fields.length; i++) {
try {
final int version = fields[i].getInt(obj);
final String version_name = fields[i].getName();
// System.err.println(i+": "+version+": "+version_name);
map.put(new Integer(version), version_name);
} catch (Exception e) { e.printStackTrace(); /* n/a */ }
}
return map;
}
private static final String getString(Class<?> cls, Object obj, String name) {
try {
Field f = cls.getField(name);
return (String) f.get(obj);
} catch (Exception e) { e.printStackTrace(); /* n/a */ }
return null;
}
private static final int getInt(Class<?> cls, Object obj, String name) {
try {
Field f = cls.getField(name);
return f.getInt(obj);
} catch (Exception e) { e.printStackTrace(); /* n/a */ }
return -1;
}
// android.os.Build.VERSION
}
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