Package org.apache.maven.shared.incremental

Examples of org.apache.maven.shared.incremental.IncrementalBuildHelperRequest


        IncrementalBuildHelper incrementalBuildHelper = new IncrementalBuildHelper( mojoExecution, mavenSession );

        Set<File> sources = null;

        IncrementalBuildHelperRequest incrementalBuildHelperRequest = null;

        if ( useIncrementalCompilation )
        {
            getLog().debug( "useIncrementalCompilation enabled" );
            try
            {
                canUpdateTarget = compiler.canUpdateTarget( compilerConfiguration );

                sources = getCompileSources( compiler, compilerConfiguration );

                incrementalBuildHelperRequest = new IncrementalBuildHelperRequest().inputFiles( sources );

                if ( ( compiler.getCompilerOutputStyle().equals( CompilerOutputStyle.ONE_OUTPUT_FILE_FOR_ALL_INPUT_FILES )
                    && !canUpdateTarget ) || isDependencyChanged() || isSourceChanged( compilerConfiguration, compiler )
                    || incrementalBuildHelper.inputFileTreeChanged( incrementalBuildHelperRequest ) )
                {
                    getLog().info( "Changes detected - recompiling the module!" );

                    compilerConfiguration.setSourceFiles( sources );
                }
                else
                {
                    getLog().info( "Nothing to compile - all classes are up to date" );

                    return;
                }
            }
            catch ( CompilerException e )
            {
                throw new MojoExecutionException( "Error while computing stale sources.", e );
            }
        }
        else
        {
            getLog().debug( "useIncrementalCompilation disabled" );
            Set<File> staleSources;
            try
            {
                staleSources =
                    computeStaleSources( compilerConfiguration, compiler, getSourceInclusionScanner( staleMillis ) );

                canUpdateTarget = compiler.canUpdateTarget( compilerConfiguration );

                if ( compiler.getCompilerOutputStyle().equals( CompilerOutputStyle.ONE_OUTPUT_FILE_FOR_ALL_INPUT_FILES )
                    && !canUpdateTarget )
                {
                    getLog().info( "RESCANNING!" );
                    // TODO: This second scan for source files is sub-optimal
                    String inputFileEnding = compiler.getInputFileEnding( compilerConfiguration );

                    sources = computeStaleSources( compilerConfiguration, compiler,
                                                             getSourceInclusionScanner( inputFileEnding ) );

                    compilerConfiguration.setSourceFiles( sources );
                }
                else
                {
                    compilerConfiguration.setSourceFiles( staleSources );
                }
            }
            catch ( CompilerException e )
            {
                throw new MojoExecutionException( "Error while computing stale sources.", e );
            }

            if ( staleSources.isEmpty() )
            {
                getLog().info( "Nothing to compile - all classes are up to date" );

                return;
            }
        }
        // ----------------------------------------------------------------------
        // Dump configuration
        // ----------------------------------------------------------------------

        if ( getLog().isDebugEnabled() )
        {
            getLog().debug( "Classpath:" );

            for ( String s : getClasspathElements() )
            {
                getLog().debug( " " + s );
            }

            getLog().debug( "Source roots:" );

            for ( String root : getCompileSourceRoots() )
            {
                getLog().debug( " " + root );
            }

            try
            {
                if ( fork )
                {
                    if ( compilerConfiguration.getExecutable() != null )
                    {
                        getLog().debug( "Excutable: " );
                        getLog().debug( " " + compilerConfiguration.getExecutable() );
                    }
                }

                String[] cl = compiler.createCommandLine( compilerConfiguration );
                if ( cl != null && cl.length > 0 )
                {
                    StringBuilder sb = new StringBuilder();
                    sb.append( cl[0] );
                    for ( int i = 1; i < cl.length; i++ )
                    {
                        sb.append( " " );
                        sb.append( cl[i] );
                    }
                    getLog().debug( "Command line options:" );
                    getLog().debug( sb );
                }
            }
            catch ( CompilerException ce )
            {
                getLog().debug( ce );
            }
        }

        // ----------------------------------------------------------------------
        // Compile!
        // ----------------------------------------------------------------------

        if ( StringUtils.isEmpty( compilerConfiguration.getSourceEncoding() ) )
        {
            getLog().warn( "File encoding has not been set, using platform encoding " + ReaderFactory.FILE_ENCODING
                               + ", i.e. build is platform dependent!" );
        }

        CompilerResult compilerResult;


        if ( useIncrementalCompilation )
        {
            incrementalBuildHelperRequest.outputDirectory( getOutputDirectory() );

            incrementalBuildHelper.beforeRebuildExecution( incrementalBuildHelperRequest );

            getLog().debug( "incrementalBuildHelper#beforeRebuildExecution" );
        }

        try
        {
            try
            {
                compilerResult = compiler.performCompile( compilerConfiguration );
            }
            catch ( CompilerNotImplementedException cnie )
            {
                List<CompilerError> messages = compiler.compile( compilerConfiguration );
                compilerResult = convertToCompilerResult( messages );
            }
        }
        catch ( Exception e )
        {
            // TODO: don't catch Exception
            throw new MojoExecutionException( "Fatal error compiling", e );
        }

        if ( useIncrementalCompilation )
        {
            if ( incrementalBuildHelperRequest.getOutputDirectory().exists() )
            {
                getLog().debug( "incrementalBuildHelper#afterRebuildExecution" );
                // now scan the same directory again and create a diff
                incrementalBuildHelper.afterRebuildExecution( incrementalBuildHelperRequest );
            }
View Full Code Here


        IncrementalBuildHelper incrementalBuildHelper = new IncrementalBuildHelper( mojoExecution, session );

        Set<File> sources;

        IncrementalBuildHelperRequest incrementalBuildHelperRequest = null;

        if ( useIncrementalCompilation )
        {
            getLog().debug( "useIncrementalCompilation enabled" );
            try
            {
                canUpdateTarget = compiler.canUpdateTarget( compilerConfiguration );

                sources = getCompileSources( compiler, compilerConfiguration );

                incrementalBuildHelperRequest = new IncrementalBuildHelperRequest().inputFiles( sources );

                if ( ( compiler.getCompilerOutputStyle().equals( CompilerOutputStyle.ONE_OUTPUT_FILE_FOR_ALL_INPUT_FILES ) && !canUpdateTarget )
                    || isDependencyChanged()
                    || isSourceChanged( compilerConfiguration, compiler )
                    || incrementalBuildHelper.inputFileTreeChanged( incrementalBuildHelperRequest ) )
                {
                    getLog().info( "Changes detected - recompiling the module!" );

                    compilerConfiguration.setSourceFiles( sources );
                }
                else
                {
                    getLog().info( "Nothing to compile - all classes are up to date" );

                    return;
                }
            }
            catch ( CompilerException e )
            {
                throw new MojoExecutionException( "Error while computing stale sources.", e );
            }
        }
        else
        {
            getLog().debug( "useIncrementalCompilation disabled" );
            Set<File> staleSources;
            try
            {
                staleSources =
                    computeStaleSources( compilerConfiguration, compiler, getSourceInclusionScanner( staleMillis ) );

                canUpdateTarget = compiler.canUpdateTarget( compilerConfiguration );

                if ( compiler.getCompilerOutputStyle().equals( CompilerOutputStyle.ONE_OUTPUT_FILE_FOR_ALL_INPUT_FILES )
                    && !canUpdateTarget )
                {
                    getLog().info( "RESCANNING!" );
                    // TODO: This second scan for source files is sub-optimal
                    String inputFileEnding = compiler.getInputFileEnding( compilerConfiguration );

                    sources = computeStaleSources( compilerConfiguration, compiler,
                                                             getSourceInclusionScanner( inputFileEnding ) );

                    compilerConfiguration.setSourceFiles( sources );
                }
                else
                {
                    compilerConfiguration.setSourceFiles( staleSources );
                }
            }
            catch ( CompilerException e )
            {
                throw new MojoExecutionException( "Error while computing stale sources.", e );
            }

            if ( staleSources.isEmpty() )
            {
                getLog().info( "Nothing to compile - all classes are up to date" );

                return;
            }
        }
        // ----------------------------------------------------------------------
        // Dump configuration
        // ----------------------------------------------------------------------

        if ( getLog().isDebugEnabled() )
        {
            getLog().debug( "Classpath:" );

            for ( String s : getClasspathElements() )
            {
                getLog().debug( " " + s );
            }

            getLog().debug( "Source roots:" );

            for ( String root : getCompileSourceRoots() )
            {
                getLog().debug( " " + root );
            }

            try
            {
                if ( fork )
                {
                    if ( compilerConfiguration.getExecutable() != null )
                    {
                        getLog().debug( "Excutable: " );
                        getLog().debug( " " + compilerConfiguration.getExecutable() );
                    }
                }

                String[] cl = compiler.createCommandLine( compilerConfiguration );
                if ( cl != null && cl.length > 0 )
                {
                    StringBuilder sb = new StringBuilder();
                    sb.append( cl[0] );
                    for ( int i = 1; i < cl.length; i++ )
                    {
                        sb.append( " " );
                        sb.append( cl[i] );
                    }
                    getLog().debug( "Command line options:" );
                    getLog().debug( sb );
                }
            }
            catch ( CompilerException ce )
            {
                getLog().debug( ce );
            }
        }

        // ----------------------------------------------------------------------
        // Compile!
        // ----------------------------------------------------------------------

        if ( StringUtils.isEmpty( compilerConfiguration.getSourceEncoding() ) )
        {
            getLog().warn( "File encoding has not been set, using platform encoding " + ReaderFactory.FILE_ENCODING
                               + ", i.e. build is platform dependent!" );
        }

        CompilerResult compilerResult;


        if ( useIncrementalCompilation )
        {
            incrementalBuildHelperRequest.outputDirectory( getOutputDirectory() );

            incrementalBuildHelper.beforeRebuildExecution( incrementalBuildHelperRequest );

            getLog().debug( "incrementalBuildHelper#beforeRebuildExecution" );
        }

        try
        {
            try
            {
                compilerResult = compiler.performCompile( compilerConfiguration );
            }
            catch ( CompilerNotImplementedException cnie )
            {
                List<CompilerError> messages = compiler.compile( compilerConfiguration );
                compilerResult = convertToCompilerResult( messages );
            }
        }
        catch ( Exception e )
        {
            // TODO: don't catch Exception
            throw new MojoExecutionException( "Fatal error compiling", e );
        }

        if ( useIncrementalCompilation )
        {
            if ( incrementalBuildHelperRequest.getOutputDirectory().exists() )
            {
                getLog().debug( "incrementalBuildHelper#afterRebuildExecution" );
                // now scan the same directory again and create a diff
                incrementalBuildHelper.afterRebuildExecution( incrementalBuildHelperRequest );
            }
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