public void append()

in apache-rat-core/src/main/java/org/apache/rat/annotation/AbstractLicenseAppender.java [288:335]
41 lines of code
10 McCabe index (conditional complexity)

    public void append(final 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");
        try (FileWriter writer = new FileWriter(newDocument)) {
            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) {
                    try (FileWriter writer2  = new FileWriter(newDocument)) {
                        if (expectsXMLDecl) {
                            writer2.write("<?xml version='1.0'?>");
                            writer2.write(LINE_SEP);
                        }
                        attachLicense(writer2, document,
                                false, false, false, false, false, false);
                    }
                }
            }
        }

        if (isOverwrite) {
            try {
                Path docPath = document.toPath();
                boolean isExecutable = Files.isExecutable(docPath);
                Files.move(newDocument.toPath(), docPath, StandardCopyOption.REPLACE_EXISTING);
                if (isExecutable && !document.setExecutable(true)) {
                    DefaultLog.getInstance().warn(String.format("Could not set %s as executable.", document));
                }
            } catch (InvalidPathException | IOException e) {
                DefaultLog.getInstance().error(String.format("Failed to rename new file to %s, Original file is unchanged.", document), e);
            }
        }
    }