boolean copyJarResourcesRecursively()

in nbm-maven-plugin/src/main/java/org/apache/netbeans/nbm/BuildInstallersMojo.java [375:410]

33 lines of code
6 McCabe index (conditional complexity)


        boolean copyJarResourcesRecursively( final File destDir, final JarURLConnection jarConnection )
                throws IOException, MojoExecutionException
        {

            final JarFile jarFile = jarConnection.getJarFile();

            for ( final Enumeration<JarEntry> e = jarFile.entries(); e.hasMoreElements(); )
            {
                final JarEntry entry = e.nextElement();
                if ( entry.getName().startsWith( jarConnection.getEntryName() ) )
                {
                    final String filename = StringUtils.removePrefix( entry.getName(), //
                            jarConnection.getEntryName() );

                    final File f = new File( destDir, filename );
                    if ( !entry.isDirectory() )
                    {
                        final InputStream entryInputStream = jarFile.getInputStream( entry );
                        if ( !copyStream( entryInputStream, f ) )
                        {
                            return false;
                        }
                        entryInputStream.close();
                    }
                    else
                    {
                        if ( !ensureDirectoryExists( f ) )
                        {
                            throw new IOException( "Could not create directory: "
                                    + f.getAbsolutePath() );
                        }
                    }
                }
            }
            return true;
        }