public void append()

in apache-rat-core/src/main/java/org/apache/rat/annotation/AbstractLicenseAppender.java [203:250]
41 lines of code
9 McCabe index (conditional complexity)

    public void append(File document) throws IOException {
        int type = getType(document);
        if (type == TYPE_UNKNOWN) {
            return;
        }

        boolean expectsHashPling = expectsHashPling(type);
        boolean expectsAtEcho = expectsAtEcho(type);
        boolean expectsPackage = expectsPackage(type);
        boolean expectsXMLDecl = expectsXMLDecl(type);
        boolean expectsPhpPI = expectsPhpPI(type);
        boolean expectsMSVSSF = expectsMSVisualStudioSolutionFileHeader(type);

        File newDocument = new File(document.getAbsolutePath() + ".new");
        FileWriter writer = new FileWriter(newDocument);
        try {
            if (!attachLicense(writer, document,
                    expectsHashPling, expectsAtEcho, expectsPackage,
                    expectsXMLDecl, expectsPhpPI, expectsMSVSSF)) {
                // Java File without package, XML file without decl or PHP
                // file without PI
                // for Java just place the license at the front, for XML add
                // an XML decl first - don't know how to handle PHP
                if (expectsPackage || expectsXMLDecl) {
                    writer = new FileWriter(newDocument);
                    if (expectsXMLDecl) {
                        writer.write("<?xml version='1.0'?>");
                        writer.write(LINE_SEP);
                    }
                    attachLicense(writer, document,
                            false, false, false, false, false, false);
                }
            }
        } finally {
            IOUtils.closeQuietly(writer);
        }

        if (isForced) {
            boolean deleted = document.delete();
            if (!deleted) {
                System.err.println("Could not delete original file to prepare renaming.");
            }
            boolean renamed = newDocument.renameTo(document.getAbsoluteFile());
            if (!renamed) {
                System.err.println("Failed to rename new file, original file remains unchanged.");
            }
        }
    }