oracle.toplink.essentials.weaving.StaticWeave Maven / Gradle / Ivy
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package oracle.toplink.essentials.weaving;
import java.io.File;
import java.io.FileWriter;
import java.io.PrintStream;
import java.io.Writer;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import oracle.toplink.essentials.exceptions.StaticWeaveException;
import oracle.toplink.essentials.internal.localization.ExceptionLocalization;
import oracle.toplink.essentials.internal.localization.ToStringLocalization;
import oracle.toplink.essentials.logging.AbstractSessionLog;
import oracle.toplink.essentials.logging.SessionLog;
/**
*
* Description: This is the static weave command line processing class that verifies command options and invokes
* StaticWeaveProcessor to statically weave the classes.
*
* Usage:
* StaticWeave [options] source target
* Options:
* -classpath
* Set the user class path, use ";" as the delimiter in Window system and ":" in Unix system.
* -log
* The path of log file, the standard output will be the default.
* -loglevel
* Specify a literal value for toplink log level(OFF,SEVERE,WARNING,INFO,CONFIG,FINE,FINER,FINEST). The default value is OFF.
* -persistenceinfo
* The path contains META-INF/persistence.xml. This is ONLY required when the source does not include it.
* The classpath must contain all the classes necessary in oder to perform weaving.
* The weaving will be performed in place if source and target point to the same location. Weaving in place is ONLY applicable for directory-based sources.
*Example:
* To weave all entites contained in c:\foo-source.jar with its persistence.xml contained within c:\foo-containing-persistence-xml.jar, and output to c:\\foo-target.jar,
* StaticWeave -persistenceinfo c:\foo-containing-persistencexml.jar -classpath c:\classpath1;c:\classpath2 c:\foo-source.jar c:\foo-target.jar
*
**/
public class StaticWeave {
// command line arguments
private String[] argv;
// The location path of the source, null if none was given
private String source;
// The location path containing persistence.xml, null if none was given
private String persistenceinfopath;
// The location path of the target, null if none was given
private String target;
private int loglevel=SessionLog.OFF;
private Writer logWriter;
private PrintStream vout = System.out;
private String[] classpaths;
public static void main(String[] argv) {
StaticWeave staticweaver = new StaticWeave(argv);
try {
// Verify the command line arguments
staticweaver.processCommandLine();
staticweaver.start();
} catch (Exception e) {
throw StaticWeaveException.exceptionPerformWeaving(e);
}
}
public StaticWeave(String[] argv) {
this.argv = argv;
}
/**
* Invoke StaticWeaveProcessor to perform weaving.
*/
public void start() throws Exception {
//perform weaving
StaticWeaveProcessor staticWeaverProcessor= new StaticWeaveProcessor(this.source,this.target);
if(persistenceinfopath!=null){
staticWeaverProcessor.setPersistenceInfo(this.persistenceinfopath);
}
if(classpaths!=null){
staticWeaverProcessor.setClassLoader(getClassLoader());
}
if(logWriter!=null){
staticWeaverProcessor.setLog(logWriter);
}
staticWeaverProcessor.setLogLevel(loglevel);
staticWeaverProcessor.performWeaving();
}
/*
* Verify command line option.
*/
void processCommandLine() throws Exception
{
if (argv.length < 2 || argv.length>10) {
printUsage();
System.exit(1);
}
for (int i=0;i= argv.length ){
printUsage();
System.exit(1);
}
classpaths=argv[i+1].split(File.pathSeparator);
i++;
continue;
}
if (argv[i].equalsIgnoreCase("-persistenceinfo")) {
if ((i + 1) >= argv.length ){
printUsage();
System.exit(1);
}
persistenceinfopath=argv[i+1];
i++;
continue;
}
if (argv[i].equalsIgnoreCase("-log")) {
if ((i + 1) >= argv.length ){
printUsage();
System.exit(1);
}
logWriter=new FileWriter(argv[i+1]);
i++;
continue;
}
if (argv[i].equalsIgnoreCase("-loglevel")) {
if ((i + 1) >= argv.length ) {
printUsage();
System.exit(1);
}
if ( argv[i+1].equalsIgnoreCase("OFF") ||
argv[i+1].equalsIgnoreCase("SEVERE") ||
argv[i+1].equalsIgnoreCase("WARNING") ||
argv[i+1].equalsIgnoreCase("INFO") ||
argv[i+1].equalsIgnoreCase("CONFIG") ||
argv[i+1].equalsIgnoreCase("FINE") ||
argv[i+1].equalsIgnoreCase("FINER") ||
argv[i+1].equalsIgnoreCase("FINEST") ||
argv[i+1].equalsIgnoreCase("ALL")) {
loglevel=AbstractSessionLog.translateStringToLoggingLevel(argv[i+1].toUpperCase());
} else{
printUsage();
System.exit(1);
}
i++;
continue;
}
if(source!=null){
printUsage();
System.exit(1);
}
if(target!=null){
printUsage();
System.exit(1);
}
source=argv[i];
if((i+1)>=argv.length){
printUsage();
System.exit(1);
}
i++;
if(i>=argv.length){
printUsage();
System.exit(1);
}
target=argv[i];
i++;
}
//Ensure source and target have been specified
if(source==null){
printUsage();
throw StaticWeaveException.missingSource();
}
if(target==null){
printUsage();
throw StaticWeaveException.missingTarget();
}
}
/*
* print command help message
*/
private void printUsage() {
PrintStream o = vout;
o.println(ToStringLocalization.buildMessage("staticweave_commandline_help_message", new Object[]{null}));
}
/*
* Convert the specified classpath arrary to URL array where new classloader will build on.
*/
private ClassLoader getClassLoader() throws MalformedURLException{
if (classpaths!=null){
URL[] urls= new URL[classpaths.length];
for(int i=0;i