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From Davanum Srinivas <d...@yahoo.com>
Subject Re: cvs commit: xml-axis/java/src/org/apache/axis/utils/compiler Javac.java
Date Thu, 06 Jun 2002 11:39:09 GMT
Russell,

People are talking about an API/JSR for exactly this situation. See
http://groups.yahoo.com/group/javax_compiler for a bit more info.

Thanks,
dims

--- Russell Butek <butek@us.ibm.com> wrote:
> Hmmm...   sun.tools.javac.Main is deprecated in JDK1.4.  This means it'll
> go away at some point (in a few years, so maybe we don't have to worry
> about it).  When it DOES go away, what will we do, then?
> 
> Russell Butek
> butek@us.ibm.com
> 
> 
> dims@apache.org on 06/05/2002 01:53:42 PM
> 
> Please respond to axis-dev@xml.apache.org
> 
> To:    xml-axis-cvs@apache.org
> cc:
> Subject:    cvs commit: xml-axis/java/src/org/apache/axis/utils/compiler
>        Javac.java
> 
> 
> 
> dims        2002/06/05 11:53:41
> 
>   Modified:    java/src/org/apache/axis/utils/compiler Javac.java
>   Log:
>   Use Reflection to avoid deprecation errors.
> 
>   NOTE:
>   com.sun.tools.javac.Main does not have an entry point for passing an
>   output stream to capture the compile errors.
>   So we use sun.tools.javac.Main entry-point in both environments. The
>   modern flag is needed to parse the output,
> 
>   Revision  Changes    Path
>   1.8       +26 -5     xml-
>   axis/java/src/org/apache/axis/utils/compiler/Javac.java
> 
>   Index: Javac.java
>   ===================================================================
>   RCS file: /home/cvs/xml-
>   axis/java/src/org/apache/axis/utils/compiler/Javac.java,v
>   retrieving revision 1.7
>   retrieving revision 1.8
>   diff -u -r1.7 -r1.8
>   --- Javac.java  15 Mar 2002 01:14:11 -0000    1.7
>   +++ Javac.java  5 Jun 2002 18:53:41 -0000     1.8
>   @@ -56,7 +56,6 @@
>    package org.apache.axis.utils.compiler;
> 
>    import org.apache.axis.utils.JavaUtils;
>   -
>    import org.apache.commons.logging.Log;
>    import org.apache.commons.logging.LogFactory;
> 
>   @@ -65,6 +64,9 @@
>    import java.io.ByteArrayOutputStream;
>    import java.io.File;
>    import java.io.IOException;
>   +import java.io.OutputStream;
>   +import java.lang.reflect.Constructor;
>   +import java.lang.reflect.Method;
>    import java.util.ArrayList;
>    import java.util.List;
>    import java.util.NoSuchElementException;
>   @@ -75,7 +77,7 @@
>     *
>     * @author <a href="mailto:dims@yahoo.com">Davanum Srinivas</a>
>     * @author <a href="mailto:stefano@apache.org">Stefano Mazzocchi</a>
>   - * @version $Revision: 1.7 $ $Date: 2002/03/15 01:14:11 $
>   + * @version $Revision: 1.8 $ $Date: 2002/06/05 18:53:41 $
>     * @since 2.0
>     */
> 
>   @@ -120,9 +122,28 @@
>         */
>        public boolean compile() throws IOException {
>            ByteArrayOutputStream err = new ByteArrayOutputStream();
>   -        sun.tools.javac.Main compiler = new sun.tools.javac.Main(err,
>   "javac");
>   -        boolean result =
>   -                compiler.compile(toStringArray(fillArguments(new
>   ArrayList())));
>   +        boolean result = false;
>   +
>   +        try {
>   +            // Create an instance of the compiler, redirecting output to
>   err
>   +            Class c = Class.forName("sun.tools.javac.Main");
>   +            Constructor cons =
>   +                c.getConstructor(new Class[] { OutputStream.class,
>   +                                               String.class });
>   +            Object compiler = cons.newInstance(new Object[] { err,
>   +                                                              "javac"
>   });
>   +            // Call the compile() method
>   +            Method compile = c.getMethod("compile",
>   +                                         new Class [] { String[].class
>   });
>   +            Boolean ok =
>   +                (Boolean) compile.invoke(compiler,
>   +                                        new Object[]
>   {toStringArray(fillArguments(new ArrayList()))});
>   +            result = ok.booleanValue();
>   +        } catch (Exception cnfe){
>   +            log.error(JavaUtils.getMessage("noCompiler00"), cnfe);
>   +            throw new RuntimeException(JavaUtils.
>   getMessage("noCompiler00"));
>   +        }
>   +
>            this.errors = new ByteArrayInputStream(err.toByteArray());
>            return result;
>        }
> 
> 
> 
> 


=====
Davanum Srinivas - http://xml.apache.org/~dims/

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