/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
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* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.jdo.api.persistence.enhancer;
//@olsen:
//import java.io.*;
import java.io.IOException;
import java.io.FileNotFoundException;
import java.io.File;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.PrintWriter;
import java.io.FileReader;
import java.io.BufferedReader;
//@olsen:
//import java.util.*;
import java.util.Map;
import java.util.Collection;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Properties;
import java.util.StringTokenizer;
import java.util.zip.ZipFile;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import java.util.zip.ZipOutputStream;
import java.util.zip.ZipException;
import java.net.URL;
import com.sun.jdo.api.persistence.model.Model;
//import com.sun.jdo.api.persistence.enhancer.util.ClassFileSource;
//import com.sun.jdo.api.persistence.enhancer.util.ZipFileRegistry;
//import com.sun.jdo.api.persistence.enhancer.util.ClassPath;
//import com.sun.jdo.api.persistence.enhancer.util.FilePath;
//@olsen: added support for timing statistics
import com.sun.jdo.api.persistence.enhancer.util.Support;
//import com.sun.jdo.api.persistence.enhancer.classfile.ClassFile;
import com.sun.jdo.api.persistence.enhancer.meta.JDOMetaData;
import com.sun.jdo.api.persistence.enhancer.meta.JDOMetaDataModelImpl;
import com.sun.jdo.api.persistence.enhancer.meta.JDOMetaDataPropertyImpl;
import com.sun.jdo.api.persistence.enhancer.meta.JDOMetaDataTimer;
//import com.sun.jdo.api.persistence.enhancer.impl.ClassControl;
//import com.sun.jdo.api.persistence.enhancer.impl.Environment;
//import org.openidex.jarpackager.ArchiveEntry; //@yury Added the capability to create ClassFileSources out of ArchiveEntries
//@olsen: disabled feature
/*
import com.sun.jdo.api.persistence.enhancer.impl.FieldMap;
*/
//@lars: moved functionality into ByteCodeEnhancerHelper
//@lars: design improvements
//@olsen: cosmetics
//@olsen: subst: [iI]Persistent -> [pP]ersistenceCapable
//@olsen: subst: /* ... */ -> // ...
//@olsen: moved: class FilterError -> package util
//@olsen: moved: OSCFP.addClass(ClassControl) -> impl.Environment
//@olsen: subst: filterEnv.classMap.elements() -> filterEnv.getClasses()
//@olsen: subst: filterEnv.classMap.get(name) -> filterEnv.getClass(name)
//@olsen: subst: filterEnv.translations -> filterEnv.translations()
//@olsen: subst: filterEnv.translations -> filterEnv.destinationDirectory()
//@olsen: subst: OSCFP -> Main
//@olsen: subst: filterEnv -> env
//@olsen: subst: FilterEnv -> Environment
//@olsen: dropped parameter 'Environment env', use association instead
//@olsen: subst: augment -> closeOver
//@olsen: subst: collectAllClasses -> collectClasses
//@olsen: subst: Vector -> Collection, List, ArrayList
//@olsen: subst: Hashtable -> Map, HashMap
//@olsen: subst: Enumeration,... -> Iterator, hasNext(), next()
//@olsen: moved: Main.closeOverClasses() -> EnhancerControl
//@olsen: moved: Main.closeOverClass(ClassControl) -> EnhancerControl
//@olsen: moved: Main.modifyClasses() -> EnhancerControl
//@olsen: moved: Main.retargetClasses() -> EnhancerControl
//@olsen: moved: Main.locateTranslatedClasses() -> EnhancerControl
//@olsen: moved: Main.checkIndexableFields() -> EnhancerControl
//@olsen: subst: (ClassControl) control -> cc
//@olsen: removed: proprietary support for HashCode
//@olsen: removed: proprietary support for TypeSummary
//@olsen: removed: proprietary support for ClassInfo
//@olsen: removed: proprietary support for IndexableField
//@olsen: removed: support for IgnoreTransientField, AddedTransientField
//@olsen: removed: support for [No]AnnotateField
/**
* Main is the starting point for the persistent filter tool.
*/
public class Main
{
/**
* The byte code enhancer.
*/
private ByteCodeEnhancer enhancer = null;
/**
* The stream to write messages to.
*/
private final PrintWriter outMessages = new PrintWriter (System.out, true);
/**
* The stream to write error messages to.
*/
private final PrintWriter outErrors = new PrintWriter (System.err, true);
/**
* The command line options.
*/
private final CmdLineOptions cmdLineOpts = new CmdLineOptions ();
/**
* Construct a filter tool instance
*/
public Main() {
}
/**
* This is where it all starts.
*/
public static void main(String[] argv) {
//@olsen: added support for timing statistics
final Main main = new Main();
try {
//@olsen: split: method filter() -> process(), processArgs()
//System.exit(new Main().process(argv));
main.process(argv);
} catch (RuntimeException tt) {
//} catch (Throwable tt) {
//@olsen: changed to print to error stream
System.err.println("Exception occurred while postprocessing:");
tt.printStackTrace(System.err);
//System.exit(1);
throw tt;
} finally {
//@olsen: added support for timing statistics
if (main.cmdLineOpts.doTiming) {
Support.timer.print();
}
}
}
/**
* Process command line options and perform filtering tasks
*/
//@olsen: split: method filter() -> process(), processArgs()
public int process(String[] argv) {
//@olsen: added inplace of disabled feature
ArrayList cNames = new ArrayList();
//@olsen: split: method filter() -> process(), processArgs()
int res = processArgs(argv, cNames);
if (res != 0) {
//@olsen: added println()
printMessage ("aborted with errors.");//NOI18N
return res;
}
//@olsen: added support for timing statistics
try {
if (this.cmdLineOpts.doTiming) {
Support.timer.push("Main.process(String[])");//NOI18N
}
// Find all of the classes on which we want to operate
//@olsen: disabled feature
enhanceInputFiles (cNames);
/*
computeClasses(pcNames, paNames, ccNames);
*/
printMessage ("done.");//NOI18N
return 0;
} finally {
if (this.cmdLineOpts.doTiming) {
Support.timer.pop();
}
}
}
/**
* Process command line options
*/
//@olsen: split: method filter() -> process(), processArgs()
//@olsen: made private
protected int processArgs(String[] argv,
//@olsen: added inplace of disabled feature
Collection cNames) {
argv = preprocess(argv);
//@olsen: disabled feature
/*
ArrayList ccNames = new ArrayList();
ArrayList pcNames = new ArrayList();
ArrayList paNames = new ArrayList();
int classMode = ClassControl.PersistCapable;
*/
//@olsen: disabled feature
/*
String classpath = System.getProperty("java.class.path");
String sysClasspath = System.getProperty("sun.boot.class.path", "");
*/
//@olsen: added
Properties jdoMetaDataProperties = null;
for (int i=0; i<argv.length; i++) {
//@olsen: improved control flow, subst: else -> continue
String arg = argv[i];
//@olsen: disabled feature
/*
if (arg.equals("-cc") ||
arg.equals("-copyclass")) {
classMode = ClassControl.PersistUnknown;
continue;
}
if (arg.equals("-pa") ||
arg.equals("-persistaware")) {
classMode = ClassControl.PersistAware;
continue;
}
if (arg.equals("-pc") ||
arg.equals("-persistcapable")) {
classMode = ClassControl.PersistCapable;
continue;
}
*/
if (arg.equals("-v") ||//NOI18N
arg.equals("-verbose")) {//NOI18N
this.cmdLineOpts.verbose = true;
this.cmdLineOpts.quiet = false;
continue;
}
if (arg.equals("-q") ||//NOI18N
arg.equals("-quiet")) {//NOI18N
this.cmdLineOpts.quiet = true;
this.cmdLineOpts.verbose = false;
continue;
}
if (arg.equals("-f") ||//NOI18N
arg.equals("-force")) {//NOI18N
this.cmdLineOpts.forceWrite = true;
continue;
}
//@olsen: disabled feature
/*
if (arg.equals("-inplace")) {
env.setUpdateInPlace(true);
continue;
}
*/
//@lars: disabled feature
/*
if (arg.equals("-qf") ||//NOI18N
arg.equals("-quietfield")) {//NOI18N
if (argv.length-i < 2) {
usage();
printError ("Missing argument to the -quietfield option", null);//NOI18N
} else {
String fullFieldName = argv[++i];
if (fullFieldName.indexOf('.') == -1) {
printError ("Field name specifications must include " +//NOI18N
"a fully qualified class name. " +//NOI18N
fullFieldName + " does not include one.", null);//NOI18N
} else {
env.suppressFieldWarnings(fullFieldName);
}
}
continue;
}
if (arg.equals("-qc") ||//NOI18N
arg.equals("-quietclass")) {//NOI18N
if (argv.length-i < 2) {
usage();
env.error("Missing argument to the -quietclass option");//NOI18N
} else {
env.suppressClassWarnings(argv[++i]);
}
continue;
}
*/
if (arg.equals("-nowrite")) {//NOI18N
this.cmdLineOpts.noWrite = true;
continue;
}
//@olsen: disabled feature
/*
if (arg.equals("-modifyjava")) {
env.setModifyJavaClasses(true);
continue;
}
*/
//@olsen: disabled feature
/*
if (arg.equals("-modifyfinals")) {
env.setAllowFinalModifications(true);
continue;
}
*/
//@olsen: disabled feature
/*
if (arg.equals("-noarrayopt")) {
env.setNoArrayOptimization(true);
continue;
}
*/
//@lars: disabled feature
/*
if (arg.equals("-nothisopt")) {//NOI18N
env.setNoThisOptimization(true);
continue;
}
if (arg.equals("-noinitializeropt")) {//NOI18N
env.setNoInitializerOptimization(true);
continue;
}
if (arg.equals("-noopt")) {//NOI18N
env.setNoOptimization(true);
continue;
}
*/
if (arg.equals("-d") ||//NOI18N
arg.equals("-dest")) {//NOI18N
if (argv.length-i < 2) {
printError ("Missing argument to the -dest option", null);//NOI18N
usage();
}
this.cmdLineOpts.destinationDirectory = argv[++i];
continue;
}
//@olsen: disabled feature
/*
if (arg.equals("-classpath") ||
arg.equals("-cpath")) {
if (argv.length-i < 2) {
usage();
env.error("Missing argument to the -classpath option");
}
classpath = argv[++i];
continue;
}
if (arg.equals("-sysclasspath") ||
arg.equals("-syscpath")) {
if (argv.length-i < 2) {
usage();
env.error("Missing argument to the -sysclasspath option");
}
sysClasspath = argv[++i];
continue;
}
*/
//@olsen: disabled feature
/*
if (arg.equals("-tp") ||
arg.equals("-translatepackage")) {
if (argv.length-i < 3) {
usage();
env.error("Missing arguments to the -translatepackage option");
}
env.setPackageTranslation(argv[i+1], argv[i+2]);
i += 2;
continue;
}
*/
//@olsen: new command line option for timing statistics
if (arg.equals("-t") ||//NOI18N
arg.equals("--doTiming")) {//NOI18N
this.cmdLineOpts.doTiming = true;
// env.setDoTimingStatistics(true);
continue;
}
//@olsen: new command line option for JDO meta data properties
if (arg.equals("-jp") ||//NOI18N
arg.equals("--jdoProperties")) {//NOI18N
if (argv.length-i < 2) {
printError("Missing argument to the -jp/--jdoProperties option", null);//NOI18N
usage();
}
try {
jdoMetaDataProperties = new Properties();
jdoMetaDataProperties.load(new FileInputStream(argv[++i]));
} catch (IOException ex) {
printError("Cannot read JDO meta data properties from file", ex);//NOI18N
usage();
}
continue;
}
if (arg.length() > 0 && arg.charAt(0) == '-') {
printError("Unrecognized option:" + arg, null);//NOI18N
usage();
}
if (arg.length() == 0) {
printMessage ("Empty file name encountered on the command line.");//NOI18N
}
//@olsen: added inplace of disabled feature
cNames.add(arg);
//@olsen: disabled feature
/*
{
if (arg.equals("java.lang.Object"))
env.error("java.lang.Object may not be postprocessed");
else if (classMode == ClassControl.PersistCapable)
pcNames.add(arg);
else if (classMode == ClassControl.PersistAware)
paNames.add(arg);
else if (classMode == ClassControl.PersistUnknown)
ccNames.add(arg);
else
affirm(false, "Invalid class mode");
}
*/
}
//@olsen: forced settings
//env.setVerbose(true);
this.cmdLineOpts.quiet = false;
// env.setNoOptimization(true);
// env.message("forced settings: -noopt");//NOI18N
/*
if (env.errorCount() > 0)
return 1;
*/
//@olsen: disabled feature
/*
env.setClassPath(classpath +
java.io.File.pathSeparator +
sysClasspath);
*/
// The user must specify a destination directory
if (this.cmdLineOpts.destinationDirectory == null) {
if (argv.length > 0)
printError("No -dest output directory was specified", null);//NOI18N
usage();
}
//@olsen: added: initialize JDO meta data
JDOMetaData jdoMetaData;
if (jdoMetaDataProperties != null) {
printMessage("using JDO meta-data from properties");//NOI18N
jdoMetaData = new JDOMetaDataPropertyImpl(jdoMetaDataProperties, this.outMessages);
} else {
printMessage("using JDO meta-data from Model.Enhancer");//NOI18N
jdoMetaData = new JDOMetaDataModelImpl(Model.ENHANCER, this.outMessages);
}
//@olsen: added support for timing statistics
if (this.cmdLineOpts.doTiming) {
// wrap with timing meta data object
jdoMetaData = new JDOMetaDataTimer(jdoMetaData);
}
try
{
this.enhancer = createEnhancer (jdoMetaData);
}
catch (Exception ex)
{
printError ("Error creating the enhancer", ex);
}
//@olsen: disabled feature
/*
// -translatepackage is incompatible with in-place update.
if (env.updateInPlace() && env.translations().size() > 0) {
env.error("The -translatepackage option cannot be used " +
"in conjunction with the -inplace option.");
return 1;
}
*/
// make sure we don't lookup classes from the destination directory
// unless we are doing in-place annotation, and in that case it should
// be as a last resort.
//@lars: removed
/*
if (env.updateInPlace())
env.moveDestinationDirectoryToEnd();
else
env.excludeDestinationDirectory();
*/
//@olsen: split: method filter() -> process(), processArgs()
return 0;
}
// Private methods
/**
* Preprocess @files, returning a new argv incorporating the contents
* of the @files, if any
*/
private String[] preprocess(String[] args) {
ArrayList argVec = new ArrayList();
for (int i=0; i<args.length; i++) {
if (args[i].length() > 0 && args[i].charAt(0) == '@') {
String filename = null;
if (args[i].length() == 1) {
if (i+1 < args.length)
filename = args[++i];
} else {
filename = args[i].substring(1);
}
if (filename == null) {
printError("missing file name argument to @.", null);//NOI18N
} else {
appendFileContents(filename, argVec);
}
} else {
argVec.add(args[i]);
}
}
//@olsen: subst: Vector -> ArrayList
//String[] newArgs = new String[argVec.size()];
//argVec.copyInto(newArgs);
final String[] newArgs = (String[])argVec.toArray(new String[0]);
return newArgs;
}
/**
* Given an input file name, open the file and append each "word"
* within the file to argVec. This currently has only a very
* primitive notion of words (separated by white space).
*/
private void appendFileContents(String filename, ArrayList argVec) {
try {
FileReader inputFile = new FileReader(filename);
try {
BufferedReader input = new BufferedReader(inputFile);
String s = null;
while ((s = input.readLine()) != null) {
StringTokenizer parser = new StringTokenizer(s, " \t", false);//NOI18N
while (parser.hasMoreElements()) {
String token = parser.nextToken();
if (token.length() > 0 && token.charAt(0) == '@')
printError("The included file \"" +//NOI18N
filename +
"\" contains a recursive include. " +//NOI18N
"Recursive includes are not supported.", null);//NOI18N
if (token.charAt(0) == '#') break;
argVec.add(token);
}
}
}
catch (IOException ex) {
printError("IO exception reading file " + filename + ".", ex);//NOI18N
}
}
catch (FileNotFoundException ex) {
printError("file " + filename + " not found.", ex);//NOI18N
}
}
/**********************************************************************
*
*********************************************************************/
private final ByteCodeEnhancer createEnhancer (JDOMetaData jdometadata)
throws EnhancerUserException,
EnhancerFatalError
{
Properties props = new Properties ();
if (this.cmdLineOpts.verbose)
{
props.put (FilterEnhancer.VERBOSE_LEVEL, FilterEnhancer.VERBOSE_LEVEL_VERBOSE);
}
return new FilterEnhancer (jdometadata, props, this.outMessages, this.outErrors);
} //Main.createEnhancer()
/**********************************************************************
* Enhances all files entered in the command line.
*
* @param filenames The filenames.
*********************************************************************/
private final void enhanceInputFiles (Collection filenames)
{
for (Iterator names = filenames.iterator(); names.hasNext ();)
{
try
{
String name = (String) names.next ();
int n = name.length ();
//if we have a class-files
InputStream in = null;
if (isClassFileName (name))
{
enhanceClassFile (openFileInputStream (name));
}
else
{
//if we have an archive
if (isZipFileName (name))
{
enhanceZipFile (name); //getZipFile (name));
}
//assume that it is a class name
else
{
enhanceClassFile (openClassInputStream (name));
}
}
}
catch (Throwable ex)
{
printError (null, ex);
}
}
} //Main.enhanceInputFiles()
/**********************************************************************
* Enhances a classfile.
*
* @param in The input stream of the classfile.
*********************************************************************/
private final void enhanceClassFile (InputStream in)
{
OutputStream out = null;
try
{
File temp = File.createTempFile ("enhancer", ".class");
out = new BufferedOutputStream (new FileOutputStream (temp));
//enhance
OutputStreamWrapper wrapper = new OutputStreamWrapper (out);
boolean enhanced = this.enhancer.enhanceClassFile (in, wrapper);
closeOutputStream (out);
createOutputFile (enhanced, createClassFileName (wrapper.getClassName ()), temp);
}
catch (Throwable ex)
{
printError (null, ex);
}
finally
{
closeInputStream (in);
closeOutputStream (out);
}
} //Main.enhanceClassFile()
/**********************************************************************
* Enhances a zipfile.
*
* @param name The filename of the zipfile.
*********************************************************************/
private final void enhanceZipFile (String filename)
{
ZipInputStream in = null;
ZipOutputStream out = null;
try
{
File temp = File.createTempFile ("enhancer", ".zip");
in = new ZipInputStream (new BufferedInputStream (new FileInputStream (new File (filename))));
out = new ZipOutputStream (new BufferedOutputStream (new FileOutputStream (temp)));
//enhance the zipfile
boolean enhanced = ByteCodeEnhancerHelper.enhanceZipFile (this.enhancer, in, out);
closeOutputStream (out);
out = null;
//create the output file
createOutputFile (enhanced, new File (filename).getName (), temp);
}
catch (Throwable ex)
{
printError (null, ex);
}
finally
{
closeOutputStream (out);
closeInputStream (in);
}
} //Main.enhanceZipFile()
/**********************************************************************
* Opens an input stream for the given filename
*
* @param filename The name of the file.
*
* @return The input stream.
*
* @exception FileNotFoundException If the file could not be found.
*********************************************************************/
private static final InputStream openFileInputStream (String filename)
throws FileNotFoundException
{
return new BufferedInputStream (new FileInputStream (new File (filename)));
} //Main.openFileInputStream()
/**********************************************************************
* Opens an input stream for the given classname. The input stream is
* created via an URL that is obtained by the current ClassLoader.
*
* @param classname The name of the class (dot-notation).
*
* @return The iput stream.
*
* @exception IOException If an I/O error occured.
* @exception ClassNotFoundException If the class could not be found.
*********************************************************************/
private final InputStream openClassInputStream (String classname)
throws IOException,
ClassNotFoundException
{
URL url = Main.class.getClassLoader ().getSystemResource (createClassFileName (classname));
if (url == null)
{
throw new ClassNotFoundException (classname);
}
return url.openStream ();
} //Main.getClassInPath()
/**********************************************************************
* Tests if a filename is a classfile name.
*
* @param filename The name of the file.
*
* @return Do we have a potential classfile?
*********************************************************************/
private static final boolean isClassFileName (String filename)
{
return filename.endsWith (".class");
} //Main.isClassFileName()
/**********************************************************************
* Tests if a filename is a zipfile (only by testing if the extension -
* ignoring the case - is <code>".zip"</code> or <code>".jar"</code>).
*
* @param filename The name of the file.
*
* @param Do we have a potential zipfile?
*********************************************************************/
private static final boolean isZipFileName (String filename)
{
final int n = filename.length ();
if (n < 5)
{
return false;
}
String ext = filename.substring (n - 4);
return ext.equalsIgnoreCase (".zip") || ext.equalsIgnoreCase (".jar");
} //Main.isZipFileName
/**********************************************************************
* Creates a filename from a classname (by replacing <code>'.'</code>
* by <code>'/'</code>.
*
* @param classname The classname.
*
* @return The filename.
*********************************************************************/
private static final String createClassFileName (String classname)
{
return classname.replace ('.', '/') + ".class";
} //Main.createClassFileName()
/**********************************************************************
* Creates a file object that represents the output zipfile for a given
* zipfile to enhance.
*
* @param zipfilename The input zipfile name.
*
* @return The output zipfile name.
*********************************************************************/
private final File createZipOutputFile (String zipfilename)
{
return new File (this.cmdLineOpts.destinationDirectory, new File (zipfilename).getName ());
} //Main.createZipOutputFile()
/**********************************************************************
* Creates the output file for an enhaced class- or zipfile. If the
* enhanced file is written back depends on the command line options.
*
* @param enhanced Has the input file been enhanced?
* @param filename The name of the output file.
* @param temp The temp file, the output is written to.
*
* @exception IOException If the file could not be created.
*********************************************************************/
private final void createOutputFile (boolean enhanced,
String filename,
File temp)
throws IOException
{
//noWrite or (not enhanced and not forceWrite)
if (this.cmdLineOpts.noWrite || ( ! enhanced && ! this.cmdLineOpts.forceWrite))
{
temp.deleteOnExit ();
return;
}
File file = new File (this.cmdLineOpts.destinationDirectory, filename);
createPathOfFile (file);
file.delete (); //delete old file if exists
//@olsen: added workaround to JDK bug with file.renameTo()
boolean renamed = temp.renameTo(file);
if (!renamed) {
//@dave: empirical evidence shows that renameTo does not allow for
// crossing filesystem boundaries. If it fails, try "by hand".
try {
DataInputStream dis =
new DataInputStream(new FileInputStream(temp));
DataOutputStream dos =
new DataOutputStream(new FileOutputStream(file));
int PAGESIZE = 4096; // Suggest a better size?
byte data[] = new byte[PAGESIZE];
while (dis.available() > 0) {
int numRead = dis.read(data, 0, PAGESIZE);
dos.write(data, 0, numRead);
}
renamed = true;
temp.delete (); // delete temp file
} catch (IOException ex) {
// empty
}
if (!renamed) {
throw new IOException("Could not rename temp file '" +
temp.getAbsolutePath() +
"' to '" + file.getAbsolutePath() + "'.");
}
}
}
/**********************************************************************
* Closes an input stream.
*
* @param in The input stream.
*********************************************************************/
private final void closeInputStream (InputStream in)
{
if (in != null)
{
try
{
in.close ();
}
catch (IOException ex)
{
printError (null, ex);
}
}
} //Main.closeInputStream()
/**********************************************************************
* Closes an output stream.
*
* @param in The output stream.
*********************************************************************/
private final void closeOutputStream (OutputStream out)
{
if (out != null)
{
try
{
out.close ();
}
catch (IOException ex)
{
printError (null, ex);
}
}
} //Main.closeOutputStream()
/**********************************************************************
* Creates only the path of the given file.
*
* @param file The file.
*
* @exception IOException If an error occured.
*********************************************************************/
private static final void createPathOfFile (File file)
throws IOException
{
//Verzeichnis erzeugen
File dir = file.getAbsoluteFile ().getParentFile ();
if ( ! dir.exists () && ! dir.mkdirs ())
{
throw new IOException ("Error creating directory '" + dir.getAbsolutePath () + "'.");
}
} //Main.createPathOfFile()
/**********************************************************************
* Prints out an error.
*
* @param msg The error message (can be <code>null</code>).
* @param ex An optional exception (can be <code>null</code>).
*********************************************************************/
private final void printError (String msg,
Throwable ex)
{
if (msg != null)
{
this.outErrors.println (msg + (ex != null ? ": " + ex : ""));
}
if (ex != null)
{
ex.printStackTrace (this.outErrors);
}
} //Main.printError()
/**********************************************************************
* Prints out a message.
*
* @param msg The message.
*********************************************************************/
private final void printMessage (String msg)
{
this.outMessages.println (msg);
} //Main.printMessage()
/**
* Print a usage message to System.err
*/
public static void usage() {
//@olsen: document that main() takes a file name argument
System.err.println("Usage: main <options> <file name>");
//@olsen: disabled feature
/*
System.err.println(" { -copyclass | -cc }");
System.err.println(" { -persistaware | -pa }");
System.err.println(" { -persistcapable | -pc }");
*/
System.err.println(" { -verbose | -v }");
System.err.println(" { -force | -f }");
System.err.println(" { -quiet | -q }");
// System.err.println(" { -quietfield | -qf } <qualified field name>");
// System.err.println(" { -quietclass | -qc } <qualified class name>");
//@olsen: disabled feature
/*
System.err.println(" -inplace");
*/
// System.err.println(" -noarrayopt");
// System.err.println(" -nothisopt");
// System.err.println(" -noinitializeropt");
// System.err.println(" -noopt");
//@olsen: disabled feature
/*
System.err.println(" -modifyjava");
*/
//@olsen: disabled feature
/*
//@olsen: added missing cmd line option
System.err.println(" -modifyfinals");
*/
System.err.println(" -nowrite");
System.err.println(" -dest | -d <destination directory>");
//@olsen: disabled feature
/*
System.err.println(" { -translatepackage | -tp } <orig pkg name> <new pkg name>");
*/
//@olsen: disabled feature
/*
System.err.println(" { -arraydims | -a } <number of array dimensions>");
*/
//@olsen: disabled feature
/*
System.err.println(" { -classpath | -cpath } <classpath for lookup>");
System.err.println(" { -sysclasspath | -syscpath } <system classpath for lookup>");
*/
//@olsen: new command line option for JDO meta data properties
System.err.println(" --jdoProperties | -jp");
System.err.println(" --timing | -t");
System.err.println(" @<cmd-arg-file>");
System.exit (1);
}
//#####################################################################
/**
* A class for holding the command line options.
*/
//#####################################################################
private final class CmdLineOptions
{
/**
* The destination directory to write the enhanced classes to.
*/
String destinationDirectory = null;
/**
* Do timing messures?
*/
boolean doTiming = false;
/**
* Verbose output?
*/
boolean verbose = false;
/**
* No output at all?
*/
boolean quiet = false;
/**
* Force a write even if the classfile has not been enhanced?
*/
boolean forceWrite = false;
/**
* Really write the enhanced or not enhanced classes to disk?
*/
boolean noWrite = false;
} //CmdLineOptions
} //Main