/** * Copyright 2010 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.util; import com.jogamp.common.os.Platform; import java.io.IOException; import java.net.URL; import java.util.Enumeration; import java.util.Iterator; import java.util.Set; import java.util.jar.Attributes; import java.util.jar.Manifest; public class VersionUtil { /** * Appends environment information like OS, JVM and CPU architecture properties to the StringBuffer. */ public static StringBuffer getPlatformInfo(StringBuffer sb) { if(null == sb) { sb = new StringBuffer(); } // environment sb.append("Platform: ").append(Platform.getOS()).append(' ').append(Platform.getOSVersion()).append(" (os), "); sb.append(Platform.getArch()).append(" (arch) ").append(Runtime.getRuntime().availableProcessors()).append(" cores"); sb.append(Platform.getNewline()); // arch sb.append("Platform: littleEndian ").append(Platform.isLittleEndian()).append(", 32Bit "); sb.append(Platform.is32Bit()).append(", a-ptr bit-size ").append(Platform.getPointerSizeInBits()); sb.append(Platform.getNewline()); // JVM/JRE sb.append("Platform: Java ").append(Platform.getJavaVersion()).append(", ").append(System.getProperty("java.vm.name")).append(", "); sb.append(Platform.getJavaVendor()).append(", ").append(Platform.getJavaVendorURL()).append(", is JavaSE: ").append(Platform.isJavaSE()); sb.append(Platform.getNewline()); return sb; } /** * Prints platfomr info. * @see #getPlatformInfo(java.lang.StringBuffer) */ public static String getPlatformInfo() { return getPlatformInfo(null).toString(); } /** * Returns the manifest of the jar which contains the specified extension. * The provided ClassLoader is used for resource loading. * @param cl A ClassLoader which should find the manifest. * @param extension The value of the 'Extension-Name' jar-manifest attribute; used to identify the manifest. * @return the requested manifest or null when not found. */ public static Manifest getManifest(ClassLoader cl, String extension) { try { Enumeration resources = cl.getResources("META-INF/MANIFEST.MF"); while (resources.hasMoreElements()) { Manifest manifest = new Manifest(((URL)resources.nextElement()).openStream()); Attributes attributes = manifest.getMainAttributes(); if(attributes != null && extension.equals(attributes.getValue(Attributes.Name.EXTENSION_NAME))) { return manifest; } } } catch (IOException ex) { throw new RuntimeException("Unable to read manifest.", ex); } return null; } public static StringBuffer getFullManifestInfo(Manifest mf, StringBuffer sb) { if(null==mf) { return sb; } if(null==sb) { sb = new StringBuffer(); } Attributes attr = mf.getMainAttributes(); Set keys = attr.keySet(); for(Iterator iter=keys.iterator(); iter.hasNext(); ) { Attributes.Name key = (Attributes.Name) iter.next(); String val = attr.getValue(key); sb.append(" "); sb.append(key); sb.append(" = "); sb.append(val); sb.append(Platform.getNewline()); } return sb; } }