2 * Copyright 2008 ZXing authors
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.google.zxing.common;
20 * Superclass of classes encapsulating types ECIs, according to "Extended Channel Interpretations"
25 public abstract class ECI {
27 private final int value;
33 public int getValue() {
38 * @param value ECI value
39 * @return {@link ECI} representing ECI of given value, or null if it is legal but unsupported
40 * @throws IllegalArgumentException if ECI value is invalid
42 public static ECI getECIByValue(int value) {
43 if (value < 0 || value > 999999) {
44 throw new IllegalArgumentException("Bad ECI value: " + value);
46 if (value < 900) { // Character set ECIs use 000000 - 000899
47 return CharacterSetECI.getCharacterSetECIByValue(value);