public static Object makeIcon()

in src/main/java/com/intellij/util/ui/UIUtilities.java [1291:1357]
52 lines of code
9 McCabe index (conditional complexity)

    public static Object makeIcon(final Class<?> baseClass,
                                  final Class<?> rootClass,
                                  final String imageFile) {

        return new UIDefaults.LazyValue() {
            public Object createValue(UIDefaults table) {
                /* Copy resource into a byte array.  This is
                 * necessary because several browsers consider
                 * Class.getResource a security risk because it
                 * can be used to load additional classes.
                 * Class.getResourceAsStream just returns raw
                 * bytes, which we can convert to an image.
                 */
                byte[] buffer =
                        java.security.AccessController.doPrivileged(
                                new java.security.PrivilegedAction<byte[]>() {
                                    public byte[] run() {
                                        try {
                                            InputStream resource = null;
                                            Class<?> srchClass = baseClass;

                                            while (srchClass != null) {
                                                resource = srchClass.getResourceAsStream(imageFile);

                                                if (resource != null || srchClass == rootClass) {
                                                    break;
                                                }

                                                srchClass = srchClass.getSuperclass();
                                            }

                                            if (resource == null) {
                                                return null;
                                            }

                                            BufferedInputStream in =
                                                    new BufferedInputStream(resource);
                                            ByteArrayOutputStream out =
                                                    new ByteArrayOutputStream(1024);
                                            byte[] buffer = new byte[1024];
                                            int n;
                                            while ((n = in.read(buffer)) > 0) {
                                                out.write(buffer, 0, n);
                                            }
                                            in.close();
                                            out.flush();
                                            return out.toByteArray();
                                        } catch (IOException ioe) {
                                            System.err.println(ioe.toString());
                                        }
                                        return null;
                                    }
                                });

                if (buffer == null) {
                    return null;
                }
                if (buffer.length == 0) {
                    System.err.println("warning: " + imageFile +
                            " is zero-length");
                    return null;
                }

                return new ImageIconUIResource(buffer);
            }
        };
    }