author | vlivanov |
Wed, 04 May 2016 21:00:41 +0000 | |
changeset 38189 | 942dde137b5d |
parent 36511 | 9d0388c6b336 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1996, 2015, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.tools.serialver; |
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import java.io.*; |
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import java.io.ObjectStreamClass; |
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import java.nio.file.Paths; |
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import java.text.MessageFormat; |
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import java.util.ResourceBundle; |
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import java.util.MissingResourceException; |
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import java.net.URLClassLoader; |
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import java.net.URL; |
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import java.net.MalformedURLException; |
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/** |
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* Supporting class for the serialver tool. |
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*/ |
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public class SerialVer { |
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/* |
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* A class loader that will load from the CLASSPATH environment |
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* variable set by the user. |
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*/ |
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static URLClassLoader loader = null; |
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/* |
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* Create a URL class loader that will load classes from the |
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* specified classpath. |
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*/ |
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static void initializeLoader(String cp) throws IOException { |
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String[] paths = cp.split(File.pathSeparator); |
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int count = paths.length; |
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URL[] urls = new URL[count]; |
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for (int i = 0; i < count; i++) { |
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urls[i] = Paths.get(paths[i]).toUri().toURL(); |
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} |
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loader = new URLClassLoader(urls); |
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} |
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/* |
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* From the classname find the serialVersionUID string formatted |
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* for to be copied to a java class. |
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*/ |
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static String serialSyntax(String classname) throws ClassNotFoundException { |
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String ret = null; |
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boolean classFound = false; |
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// If using old style of qualifyling inner classes with '$'s. |
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if (classname.indexOf('$') != -1) { |
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ret = resolveClass(classname); |
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} else { |
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/* Try to resolve the fully qualified name and if that fails, start |
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* replacing the '.'s with '$'s starting from the last '.', until |
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* the class is resolved. |
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*/ |
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try { |
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ret = resolveClass(classname); |
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classFound = true; |
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} catch (ClassNotFoundException e) { |
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/* Class not found so far */ |
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} |
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if (!classFound) { |
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StringBuilder workBuffer = new StringBuilder(classname); |
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String workName = workBuffer.toString(); |
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int i; |
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while ((i = workName.lastIndexOf('.')) != -1 && !classFound) { |
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workBuffer.setCharAt(i, '$'); |
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try { |
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workName = workBuffer.toString(); |
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ret = resolveClass(workName); |
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classFound = true; |
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} catch (ClassNotFoundException e) { |
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/* Continue searching */ |
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} |
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} |
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} |
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if (!classFound) { |
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throw new ClassNotFoundException(); |
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} |
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} |
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return ret; |
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} |
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static String resolveClass(String classname) throws ClassNotFoundException { |
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Class<?> cl = Class.forName(classname, false, loader); |
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ObjectStreamClass desc = ObjectStreamClass.lookup(cl); |
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if (desc != null) { |
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return " private static final long serialVersionUID = " + |
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desc.getSerialVersionUID() + "L;"; |
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} else { |
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return null; |
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} |
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} |
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/** |
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* Entry point for serialver tool. |
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* @param args the arguments |
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*/ |
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public static void main(String[] args) { |
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String envcp = null; |
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int i = 0; |
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if (args.length == 0) { |
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usage(); |
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System.exit(1); |
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} |
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for (i = 0; i < args.length; i++) { |
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if (args[i].equals("-classpath")) { |
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if ((i+1 == args.length) || args[i+1].startsWith("-")) { |
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System.err.println(Res.getText("error.missing.classpath")); |
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usage(); |
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System.exit(1); |
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} |
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envcp = new String(args[i+1]); |
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i++; |
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} else if (args[i].startsWith("-")) { |
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System.err.println(Res.getText("invalid.flag", args[i])); |
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usage(); |
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System.exit(1); |
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} else { |
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break; // drop into processing class names |
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} |
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} |
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/* |
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* Get user's CLASSPATH environment variable, if the -classpath option |
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* is not defined, and make a loader that can read from that path. |
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*/ |
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if (envcp == null) { |
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envcp = System.getProperty("env.class.path"); |
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/* |
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* If environment variable not set, add current directory to path. |
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*/ |
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if (envcp == null) { |
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envcp = "."; |
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} |
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} |
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try { |
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initializeLoader(envcp); |
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} catch (MalformedURLException mue) { |
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System.err.println(Res.getText("error.parsing.classpath", envcp)); |
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System.exit(2); |
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} catch (IOException ioe) { |
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System.err.println(Res.getText("error.parsing.classpath", envcp)); |
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System.exit(3); |
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} |
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||
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a96915fc059d
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alanb
parents:
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diff
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/* |
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* Check if there are any class names specified |
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parents:
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*/ |
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parents:
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if (i == args.length) { |
a96915fc059d
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parents:
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diff
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usage(); |
a96915fc059d
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System.exit(1); |
a96915fc059d
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parents:
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diff
changeset
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} |
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8042887: Remove serialver -show, this tool does not need a GUI
alanb
parents:
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diff
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/* |
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* The rest of the parameters are classnames. |
a96915fc059d
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parents:
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changeset
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*/ |
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parents:
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diff
changeset
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boolean exitFlag = false; |
a96915fc059d
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parents:
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diff
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for (i = i; i < args.length; i++ ) { |
a96915fc059d
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parents:
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diff
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187 |
try { |
a96915fc059d
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parents:
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diff
changeset
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String syntax = serialSyntax(args[i]); |
a96915fc059d
8042887: Remove serialver -show, this tool does not need a GUI
alanb
parents:
23010
diff
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if (syntax != null) |
a96915fc059d
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parents:
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diff
changeset
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System.out.println(args[i] + ":" + syntax); |
a96915fc059d
8042887: Remove serialver -show, this tool does not need a GUI
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parents:
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diff
changeset
|
191 |
else { |
a96915fc059d
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alanb
parents:
23010
diff
changeset
|
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System.err.println(Res.getText("NotSerializable", |
a96915fc059d
8042887: Remove serialver -show, this tool does not need a GUI
alanb
parents:
23010
diff
changeset
|
193 |
args[i])); |
2 | 194 |
exitFlag = true; |
195 |
} |
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24510
a96915fc059d
8042887: Remove serialver -show, this tool does not need a GUI
alanb
parents:
23010
diff
changeset
|
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} catch (ClassNotFoundException cnf) { |
a96915fc059d
8042887: Remove serialver -show, this tool does not need a GUI
alanb
parents:
23010
diff
changeset
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197 |
System.err.println(Res.getText("ClassNotFound", args[i])); |
a96915fc059d
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parents:
23010
diff
changeset
|
198 |
exitFlag = true; |
2 | 199 |
} |
24510
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alanb
parents:
23010
diff
changeset
|
200 |
} |
a96915fc059d
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alanb
parents:
23010
diff
changeset
|
201 |
if (exitFlag) { |
a96915fc059d
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parents:
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diff
changeset
|
202 |
System.exit(1); |
2 | 203 |
} |
204 |
} |
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||
206 |
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207 |
/** |
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* Usage |
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*/ |
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210 |
public static void usage() { |
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211 |
System.err.println(Res.getText("usage")); |
|
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} |
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||
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} |
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||
216 |
/** |
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* Utility for integrating with serialver and for localization. |
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* Handle Resources. Access to error and warning counts. |
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* Message formatting. |
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* |
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* @see java.util.ResourceBundle |
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* @see java.text.MessageFormat |
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*/ |
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class Res { |
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||
226 |
private static ResourceBundle messageRB; |
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||
228 |
/** |
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* Initialize ResourceBundle |
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230 |
*/ |
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231 |
static void initResource() { |
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232 |
try { |
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messageRB = |
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ResourceBundle.getBundle("sun.tools.serialver.resources.serialver"); |
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235 |
} catch (MissingResourceException e) { |
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throw new Error("Fatal: Resource for serialver is missing"); |
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237 |
} |
|
238 |
} |
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239 |
||
240 |
/** |
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* get and format message string from resource |
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* |
|
243 |
* @param key selects message from resource |
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244 |
*/ |
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245 |
static String getText(String key) { |
|
246 |
return getText(key, (String)null); |
|
247 |
} |
|
248 |
||
249 |
/** |
|
250 |
* get and format message string from resource |
|
251 |
* |
|
252 |
* @param key selects message from resource |
|
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* @param a1 first argument |
|
254 |
*/ |
|
255 |
static String getText(String key, String a1) { |
|
256 |
return getText(key, a1, null); |
|
257 |
} |
|
258 |
||
259 |
/** |
|
260 |
* get and format message string from resource |
|
261 |
* |
|
262 |
* @param key selects message from resource |
|
263 |
* @param a1 first argument |
|
264 |
* @param a2 second argument |
|
265 |
*/ |
|
266 |
static String getText(String key, String a1, String a2) { |
|
267 |
return getText(key, a1, a2, null); |
|
268 |
} |
|
269 |
||
270 |
/** |
|
271 |
* get and format message string from resource |
|
272 |
* |
|
273 |
* @param key selects message from resource |
|
274 |
* @param a1 first argument |
|
275 |
* @param a2 second argument |
|
276 |
* @param a3 third argument |
|
277 |
*/ |
|
278 |
static String getText(String key, String a1, String a2, String a3) { |
|
279 |
if (messageRB == null) { |
|
280 |
initResource(); |
|
281 |
} |
|
282 |
try { |
|
283 |
String message = messageRB.getString(key); |
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diff
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|
284 |
return MessageFormat.format(message, a1, a2, a3); |
2 | 285 |
} catch (MissingResourceException e) { |
286 |
throw new Error("Fatal: Resource for serialver is broken. There is no " + key + " key in resource."); |
|
287 |
} |
|
288 |
} |
|
289 |
} |