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* Header, with the fields enclosed by brackets [] replaced by your own
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*/
/*
* JavaCompiler.java
*
* Created on June 22, 2002, 8:56 PM
*
* @author bnevins
* @version $Revision: 1.4 $
* <BR> <I>$Source: /cvs/glassfish/appserv-core/src/java/com/sun/ejb/codegen/JavaCompiler.java,v $
*
*/
package com.sun.ejb.codegen;
import java.io.*;
import java.util.*;
import java.util.logging.*;
import com.sun.enterprise.util.OS;
import com.sun.enterprise.util.StringUtils;
import com.sun.enterprise.util.i18n.StringManager;
import com.sun.enterprise.util.io.FileUtils;
import com.sun.enterprise.server.Constants;
import com.sun.tools.javac.Main;
class JavaCompiler extends Compiler
{
private static final String JAVAC_EXT_DIRS_OPTION = "-extdirs";
private static final String JAVAC_OUT_OF_PROCESS =
"com.sun.aas.deployment.javacoutofprocess";
JavaCompiler(List theOptions, List theFiles) throws JavaCompilerException
{
super(theOptions, theFiles);
}
///////////////////////////////////////////////////////////////////////////
protected void internal_compile() throws JavaCompilerException, ProcessExecutorException
{
// note: we are NOT catching Exceptions and then trying the next one.
// An Exception means there was a compile error and it would be a waste of
// time to run another compile.
// if they return true -- it means the facility exists AND everything compiled OK
// note: only allow JavaCompilerException out of here -- catch everything else
// and wrap it!!
if(userCompile()) {
return;
}
if(fastjavacCompile()) {
return;
}
javacCompile();
}
///////////////////////////////////////////////////////////////////////////
private boolean userCompile() throws ProcessExecutorException
{
if(userExe == null)
return false;
ArrayList cmd = new ArrayList();
cmd.add(userExe.getPath());
cmd.add(JAVAC_EXT_DIRS_OPTION);
cmd.add(System.getProperty(JAVA_EXT_DIRS_SYS_PROP));
cmd.addAll(userOptions);
cmd.addAll(options);
cmd.addAll(files);
String[] cmds = new String[cmd.size()];
cmds = (String[])cmd.toArray(cmds);
runProcess(cmds, getUserSpecifiedCompilerTimeout() * files.size());
logCompilerName(userExe.getName());
return true;
}
//////////////////////////////////////////////////////////////////////////
private boolean fastjavacCompile() throws ProcessExecutorException
{
if(fastExe == null || jdkDir == null)
return false;
ArrayList cmd = new ArrayList();
cmd.add(fastExe.getPath());
cmd.add("-jdk");
cmd.add(jdkDir.getPath());
cmd.addAll(options);
addJavaFiles(cmd);
String[] cmds = new String[cmd.size()];
cmds = (String[])cmd.toArray(cmds);
runProcess(cmds, getFastjavacTimeout() * files.size());
logCompilerName("fastjavac");
return true;
}
///////////////////////////////////////////////////////////////////////////
private boolean javacCompile() throws JavaCompilerException,
ProcessExecutorException
{
if(javacExe == null)
return false;
boolean outOfProcess =
Boolean.getBoolean(JAVAC_OUT_OF_PROCESS);
ArrayList cmd = new ArrayList();
if (outOfProcess) {
cmd.add(javacExe.getPath());
}
cmd.add(JAVAC_EXT_DIRS_OPTION);
cmd.add(System.getProperty(JAVA_EXT_DIRS_SYS_PROP));
cmd.addAll(options);
addJavaFiles(cmd);
String[] cmds = new String[cmd.size()];
cmds = (String[])cmd.toArray(cmds);
if (outOfProcess) {
runProcess(cmds, getJavacTimeout() * files.size());
} else {
try {
ByteArrayOutputStream bos =
new ByteArrayOutputStream();
PrintWriter pw = new PrintWriter(bos);
Main compiler = new Main();
int ret = compiler.compile(cmds, pw);
if (ret != 0) {
byte[] errorBytes = bos.toByteArray();
String errorString = new String(errorBytes);
throw new JavaCompilerException(
"java_compiler.error", "Native compiler returned an error: {0}\nError messages are: {1}", new Object[] { new Integer (ret), errorString } );
}
}
catch(JavaCompilerException jce) {
throw jce;
}
catch(Throwable t)
{
throw new JavaCompilerException(
"java_compiler.unknown_exception",
"JavaC compiler threw an Exception", t);
}
}
logCompilerName("javac");
return true;
}
///////////////////////////////////////////////////////////////////////////
protected void internal_init()
{
fastExe = null;
javacExe = null;
userExe = null;
userOptions = new ArrayList();
initUserCompiler();
initFastjavac();
initJavac();
logger.log(Level.FINE, "fastExe: " + ((fastExe == null) ? "null" : fastExe.getPath()) );
logger.log(Level.FINE, "javacExe: " + ((javacExe == null) ? "null" : javacExe.getPath()) );
logger.log(Level.FINE, "jdkDir: " + ((jdkDir == null) ? "null" : jdkDir.getPath()) );
}
///////////////////////////////////////////////////////////////////////////
private void initUserCompiler()
{
String userSpecified = getSystemPropertyIgnoreCase(Constants.USER_SPECIFIED_COMPILER);
if(!StringUtils.ok(userSpecified))
return;
userExe = new File(userSpecified);
if(!userExe.exists())
{
String msg = localStrings.getStringWithDefault(
"java_compiler.bad_user_compiler",
"Can't locate user-specified Java Compiler for deployment. "
+"Environmental Variable= {0}, Value = {1}",
new Object[] { Constants.USER_SPECIFIED_COMPILER, userSpecified } );
logger.warning(msg);
userExe = null;
return;
}
// note: it is difficult to handle spaces inside options.
// at least without requiring the user to specify the args as:
// xxx1, xxx2, xxx3, etc. That's too painful for them. Or I could
// parse out quote-delimited Strings. Maybe later. What
// are the chances that they will use spaces in filenames anyways?
userExe = FileUtils.safeGetCanonicalFile(userExe);
String opts = getSystemPropertyIgnoreCase(Constants.USER_SPECIFIED_COMPILER_OPTIONS);
if(!StringUtils.ok(opts))
return;
StringTokenizer tok = new StringTokenizer(opts);
while(tok.hasMoreTokens())
{
userOptions.add(tok.nextToken());
}
}
///////////////////////////////////////////////////////////////////////////
private void initFastjavac()
{
if(installRoot == null || jdkDir == null)
return;
String fastName;
/*
// WBN -- Allow config of fastjavac in the environment
String fastName = System.getProperty(Constants.FASTJAVAC_COMPILER);
if(StringUtils.ok(fastName))
{
fastExe = new File(fastName);
if(fastExe.exists())
{
fastExe = FileUtils.safeGetCanonicalFile(fastExe);
return;
}
fastExe = null;
}
*/
if(OS.isWindows())
fastName = "fastjavac.exe";
else if(OS.isSun())
fastName = "fastjavac.sun";
else if(OS.isLinux())
fastName = "fastjavac.linux";
else
fastName = null;
if(fastName == null)
return;
// if fastjavac app exists -- set it
fastExe = new File(installRoot + "/studio4/bin/fastjavac/" + fastName); //now named studio4
if(fastExe.exists())
fastExe = FileUtils.safeGetCanonicalFile(fastExe);
else
fastExe = null;
}
///////////////////////////////////////////////////////////////////////////
private void initJavac()
{
if(jdkDir == null)
return;
String javacName;
if(OS.isWindows())
{
javacName = "javac.exe";
}
else
{
javacName = "javac";
}
javacExe = new File(jdkDir, "/bin/" + javacName);
if(javacExe.exists())
javacExe = FileUtils.safeGetCanonicalFile(javacExe);
else
javacExe = null;
}
/**
* Returns the timeout, in milliseconds, for each java file.
* The compiler calling code will multiply this value by the
* number of java files. If the compiler takes longer than
* this amount of time the process will be killed.
* This is to avoid hangs.
*
* <p>For flexibility, a environmental variable is checked first. Failing that,
* it will use the hard-coded default value.
*
* <p>This method caches the value of timeout in "fastJavacTimeout" variable to prevent
* memory leak seen in the System.getProperty method in Compiler.java
*
* @return The timeout, in milliseconds, for each java file
*/
private static int getFastjavacTimeout()
{
if (fastJavacTimeout < 0 )
{
fastJavacTimeout = getTimeout(Constants.FASTJAVAC_TIMEOUT_MS, Constants.DEFAULT_FASTJAVAC_TIMEOUT_MS, 1000, 300000);
}
return fastJavacTimeout;
}
/** Returns the timeout, in milliseconds, for each java file.
* The compiler calling code will multiply this value by the
* number of java files. If the compiler takes longer than
* this amount of time the process will be killed.
* This is to avoid hangs.
*
* <p>For flexibility, a environmental variable is checked first. Failing that,
* it will use the hard-coded default value.
*
* <p>This method caches the value of timeout in "javacTimeout" variable to prevent
* memory leak seen in the System.getProperty method in Compiler.java
*
* @return The timeout, in milliseconds, for each java file
*/
private static int getJavacTimeout()
{
if (javacTimeout < 0 )
{
javacTimeout = getTimeout(Constants.JAVAC_TIMEOUT_MS, Constants.DEFAULT_JAVAC_TIMEOUT_MS, 1000, 900000);
}
return javacTimeout;
}
/** Returns the timeout, in milliseconds, for each java file.
* The compiler calling code will multiply this value by the
* number of java files. If the compiler takes longer than
* this amount of time the process will be killed.
* This is to avoid hangs.
*
* <p>For flexibility, a environmental variable is checked first. Failing that,
* it will use the hard-coded default value.
*
* <p>This method caches the value of timeout in "userTimeout" variable to prevent
* memory leak seen in the System.getProperty method in Compiler.java
*
* @return The timeout, in milliseconds, for each java file
*/
private static int getUserSpecifiedCompilerTimeout()
{
if (userTimeout < 0 )
{
userTimeout = getTimeout(Constants.USER_SPECIFIED_COMPILER_TIMEOUT_MS, Constants.DEFAULT_USER_SPECIFIED_COMPILER_TIMEOUT_MS, 1000, 900000);
}
return userTimeout;
}
///////////////////////////////////////////////////////////////////////////
private File userExe;
private File fastExe;
private File javacExe;
private List userOptions;
// used for caching timeouts to prevent memory leaks. must be initialized to -1.
private static int fastJavacTimeout = -1;
private static int javacTimeout = -1;
private static int userTimeout = -1;
///////////////////////////////////////////////////////////////////////////
/* testing code...
public static void main(String[] args)
{
System.out.println("Test 1: install-root == C:/ias7 and JAVA_HOME not set");
System.setProperty(Constants.INSTALL_ROOT, "C:/ias7");
test();
System.out.println("Test 2: install-root == C:/ias7 and JAVA_HOME == c:/jdk1.4");
System.setProperty("JAVA_HOME", "C:/jdk1.4");
test();
}
///////////////////////////////////////////////////////////////////////////
public static void test()
{
List opt = new ArrayList();
List f = new ArrayList();
opt.add("-d");
opt.add("c:/tmp/crap");
opt.add("-g");
f.add("c:/src/java/junk/Crap.java");
try
{
JavaCompiler jc = new JavaCompiler(opt, f);
logger.log(Level.SEVERE, "fastExe: " + ((jc.fastExe == null) ? "null" : jc.fastExe.getPath()) );
logger.log(Level.SEVERE, "javacExe: " + ((jc.javacExe == null) ? "null" : jc.javacExe.getPath()) );
logger.log(Level.SEVERE, "jdkDir: " + ((jc.jdkDir == null) ? "null" : jc.jdkDir.getPath()) );
jc.compile();
}
catch(Exception e)
{
e.printStackTrace();
}
}
**/
}
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