private boolean attachLicense()

in apache-rat-core/src/main/java/org/apache/rat/annotation/AbstractLicenseAppender.java [258:332]
72 lines of code
22 McCabe index (conditional complexity)

    private boolean attachLicense(Writer writer, File document,
                                  boolean expectsHashPling,
                                  boolean expectsAtEcho,
                                  boolean expectsPackage,
                                  boolean expectsXMLDecl,
                                  boolean expectsPhpPI,
                                  boolean expectsMSVSSF)
            throws IOException {
        boolean written = false;
        FileInputStream fis = null;
        BufferedReader br = null;
        try {
            fis = new FileInputStream(document);
            br = new BufferedReader(new InputStreamReader(new BOMInputStream(fis)));

            if (!expectsHashPling
                    && !expectsAtEcho
                    && !expectsPackage
                    && !expectsXMLDecl
                    && !expectsPhpPI
                    && !expectsMSVSSF) {
                written = true;
                writer.write(getLicenseHeader(document));
                writer.write(LINE_SEP);
            }

            String line;
            boolean first = true;
            while ((line = br.readLine()) != null) {
                if (first && expectsHashPling) {
                    written = true;
                    doFirstLine(document, writer, line, "#!");
                } else if (first && expectsAtEcho) {
                    written = true;
                    doFirstLine(document, writer, line, "@echo");
                } else if (first && expectsMSVSSF) {
                    written = true;
                    if ("".equals(line)) {
                        line = passThroughReadNext(writer, line, br);
                    }
                    if (line.startsWith("Microsoft Visual Studio Solution"
                            + " File")) {
                        line = passThroughReadNext(writer, line, br);
                    }
                    doFirstLine(document, writer, line, "# Visual ");
                } else {
                    writer.write(line);
                    writer.write(LINE_SEP);
                }

                if (expectsPackage && line.startsWith("package ")) {
                    written = true;
                    writer.write(LINE_SEP);
                    writer.write(getLicenseHeader(document));
                    writer.write(LINE_SEP);
                } else if (expectsXMLDecl && line.startsWith("<?xml ")) {
                    written = true;
                    writer.write(LINE_SEP);
                    writer.write(getLicenseHeader(document));
                    writer.write(LINE_SEP);
                } else if (expectsPhpPI && line.startsWith("<?php")) {
                    written = true;
                    writer.write(LINE_SEP);
                    writer.write(getLicenseHeader(document));
                    writer.write(LINE_SEP);
                }
                first = false;
            }
        } finally {
            IOUtils.closeQuietly(br);
            IOUtils.closeQuietly(fis);
            IOUtils.closeQuietly(writer);
        }
        return written;
    }