tomcat7-maven-plugin/src/main/java/org/apache/tomcat/maven/plugin/tomcat7/run/AbstractExecWarMojo.java [436:513]:
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            Manifest manifest = new Manifest();

            Manifest.Attribute mainClassAtt = new Manifest.Attribute();
            mainClassAtt.setName( "Main-Class" );
            mainClassAtt.setValue( mainClass );
            manifest.addConfiguredAttribute( mainClassAtt );

            manifest.write( tmpManifestWriter );
            tmpManifestWriter.flush();
            tmpManifestWriter.close();

            os.putArchiveEntry( new JarArchiveEntry( "META-INF/MANIFEST.MF" ) );
            IOUtils.copy( new FileInputStream( tmpManifestFile ), os );
            os.closeArchiveEntry();

            if ( attachArtifact )
            {
                //MavenProject project, String artifactType, String artifactClassifier, File artifactFile
                projectHelper.attachArtifact( project, attachArtifactClassifierType, attachArtifactClassifier,
                                              execWarJar );
            }

            if ( extraResources != null )
            {
                for ( ExtraResource extraResource : extraResources )
                {

                    DirectoryScanner directoryScanner = new DirectoryScanner();
                    directoryScanner.setBasedir( extraResource.getDirectory() );
                    directoryScanner.addDefaultExcludes();
                    directoryScanner.setExcludes( toStringArray( extraResource.getExcludes() ) );
                    directoryScanner.setIncludes( toStringArray( extraResource.getIncludes() ) );
                    directoryScanner.scan();
                    for ( String includeFile : directoryScanner.getIncludedFiles() )
                    {
                        getLog().debug( "include file:" + includeFile );
                        os.putArchiveEntry( new JarArchiveEntry( includeFile ) );
                        IOUtils.copy( new FileInputStream( new File( extraResource.getDirectory(), includeFile ) ),
                                      os );
                        os.closeArchiveEntry();
                    }
                }
            }

            if ( tomcatConfigurationFilesDirectory != null && tomcatConfigurationFilesDirectory.exists() )
            {
                // Because its the tomcat default dir for configs
                String aConfigOutputDir = "conf/";
                copyDirectoryContentIntoArchive( tomcatConfigurationFilesDirectory, aConfigOutputDir, os );
            }

        }
        catch ( ManifestException e )
        {
            throw new MojoExecutionException( e.getMessage(), e );
        }
        catch ( IOException e )
        {
            throw new MojoExecutionException( e.getMessage(), e );
        }
        catch ( ArchiveException e )
        {
            throw new MojoExecutionException( e.getMessage(), e );
        }
        catch ( ArtifactNotFoundException e )
        {
            throw new MojoExecutionException( e.getMessage(), e );
        }
        catch ( ArtifactResolutionException e )
        {
            throw new MojoExecutionException( e.getMessage(), e );
        }
        finally
        {
            IOUtils.closeQuietly( os );
            IOUtils.closeQuietly( tmpManifestWriter );
            IOUtils.closeQuietly( execWarJarOutputStream );
            IOUtils.closeQuietly( tmpPropertiesFileOutputStream );
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tomcat8-maven-plugin/src/main/java/org/apache/tomcat/maven/plugin/tomcat8/run/AbstractStandaloneWarMojo.java [219:295]:
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            Manifest manifest = new Manifest();

            Manifest.Attribute mainClassAtt = new Manifest.Attribute();
            mainClassAtt.setName( "Main-Class" );
            mainClassAtt.setValue( mainClass );
            manifest.addConfiguredAttribute( mainClassAtt );

            manifest.write( tmpManifestWriter );
            tmpManifestWriter.flush();
            tmpManifestWriter.close();

            os.putArchiveEntry( new JarArchiveEntry( "META-INF/MANIFEST.MF" ) );
            IOUtils.copy( new FileInputStream( tmpManifestFile ), os );
            os.closeArchiveEntry();

            if ( attachArtifact )
            {
                //MavenProject project, String artifactType, String artifactClassifier, File artifactFile
                projectHelper.attachArtifact( project, attachArtifactClassifierType, attachArtifactClassifier,
                                              execWarJar );
            }

            if ( extraResources != null )
            {
                for ( ExtraResource extraResource : extraResources )
                {

                    DirectoryScanner directoryScanner = new DirectoryScanner();
                    directoryScanner.setBasedir( extraResource.getDirectory() );
                    directoryScanner.addDefaultExcludes();
                    directoryScanner.setExcludes( toStringArray( extraResource.getExcludes() ) );
                    directoryScanner.setIncludes( toStringArray( extraResource.getIncludes() ) );
                    directoryScanner.scan();
                    for ( String includeFile : directoryScanner.getIncludedFiles() )
                    {
                        getLog().debug( "include file:" + includeFile );
                        os.putArchiveEntry( new JarArchiveEntry( includeFile ) );
                        IOUtils.copy( new FileInputStream( new File( extraResource.getDirectory(), includeFile ) ),
                                      os );
                        os.closeArchiveEntry();
                    }
                }
            }

            if ( tomcatConfigurationFilesDirectory != null && tomcatConfigurationFilesDirectory.exists() )
            {
                // Because its the tomcat default dir for configs
                String aConfigOutputDir = "conf/";
                copyDirectoryContentIntoArchive( tomcatConfigurationFilesDirectory, aConfigOutputDir, os );
            }
        }
        catch ( ManifestException e )
        {
            throw new MojoExecutionException( e.getMessage(), e );
        }
        catch ( IOException e )
        {
            throw new MojoExecutionException( e.getMessage(), e );
        }
        catch ( ArchiveException e )
        {
            throw new MojoExecutionException( e.getMessage(), e );
        }
        catch ( ArtifactNotFoundException e )
        {
            throw new MojoExecutionException( e.getMessage(), e );
        }
        catch ( ArtifactResolutionException e )
        {
            throw new MojoExecutionException( e.getMessage(), e );
        }
        finally
        {
            IOUtils.closeQuietly( os );
            IOUtils.closeQuietly( tmpManifestWriter );
            IOUtils.closeQuietly( execWarJarOutputStream );
            IOUtils.closeQuietly( tmpPropertiesFileOutputStream );
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