protected void expandFile()

in src/main/org/apache/ant/compress/taskdefs/Unzip.java [53:92]
40 lines of code
8 McCabe index (conditional complexity)

    protected void expandFile(FileUtils fileUtils, File srcF, File dir) {
        log("Expanding: " + srcF + " into " + dir, Project.MSG_INFO);
        FileNameMapper mapper = getMapper();
        if (!srcF.exists()) {
            throw new BuildException("Unable to expand " + srcF
                                     + " as the file does not exist",
                                     getLocation());
        }
        try (ZipFile zf = new ZipFile(srcF, getEncoding(), true)) {
            boolean empty = true;
            Enumeration e = zf.getEntries();
            while (e.hasMoreElements()) {
                empty = false;
                ZipArchiveEntry ze = (ZipArchiveEntry) e.nextElement();
                if (getSkipUnreadableEntries() && !zf.canReadEntryData(ze)) {
                    log(Messages.skippedIsUnreadable(ze));
                    continue;
                }
                log("extracting " + ze.getName(), Project.MSG_DEBUG);
                InputStream is = null;
                try {
                    extractFile(fileUtils, srcF, dir,
                                is = zf.getInputStream(ze),
                                ze.getName(), new Date(ze.getTime()),
                                ze.isDirectory(), mapper);
                } finally {
                    FileUtils.close(is);
                }
            }
            if (empty && getFailOnEmptyArchive()) {
                throw new BuildException("archive '" + srcF + "' is empty");
            }
            log("expand complete", Project.MSG_VERBOSE);
        } catch (IOException ioe) {
            throw new BuildException(
                "Error while expanding " + srcF.getPath()
                + "\n" + ioe.toString(),
                ioe);
        }
    }