protected void fillMapsFromArchive()

in src/main/org/apache/ant/compress/resources/ZipScanner.java [77:126]
47 lines of code
10 McCabe index (conditional complexity)

    protected void fillMapsFromArchive(Resource src, String encoding,
                                       Map fileEntries, Map matchFileEntries,
                                       Map dirEntries, Map matchDirEntries) {

        FileProvider fp = (FileProvider) src.as(FileProvider.class);
        if (fp == null) {
            super.fillMapsFromArchive(src, encoding, fileEntries,
                                      matchFileEntries, dirEntries,
                                      matchDirEntries);
            return;
        }

        File srcFile = fp.getFile();
        ZipArchiveEntry entry = null;
        ZipFile zf = null;

        try {
            try {
                zf = new ZipFile(srcFile, encoding);
            } catch (ZipException ex) {
                throw new BuildException("Problem reading " + srcFile, ex);
            } catch (IOException ex) {
                throw new BuildException("Problem opening " + srcFile, ex);
            }
            Enumeration e = zf.getEntries();
            while (e.hasMoreElements()) {
                entry = (ZipArchiveEntry) e.nextElement();
                if (getSkipUnreadableEntries() && !zf.canReadEntryData(entry)) {
                    log(Messages.skippedIsUnreadable(entry));
                    continue;
                }
                Resource r = new ZipResource(srcFile, encoding, entry);
                String name = entry.getName();
                if (entry.isDirectory()) {
                    name = trimSeparator(name);
                    dirEntries.put(name, r);
                    if (match(name)) {
                        matchDirEntries.put(name, r);
                    }
                } else {
                    fileEntries.put(name, r);
                    if (match(name)) {
                        matchFileEntries.put(name, r);
                    }
                }
            }
        } finally {
            ZipFile.closeQuietly(zf);
        }
    }