Android Open Source - flash-your-qr E C I

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License

The source code is released under:

Apache License

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Java Source Code

/*
 * Copyright 2008 ZXing authors//from w ww .j  av a 2 s. c  om
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.zxing.common;

/**
 * Superclass of classes encapsulating types ECIs, according to "Extended Channel Interpretations"
 * 5.3 of ISO 18004.
 *
 * @author Sean Owen
 */
public abstract class ECI {

  private final int value;

  ECI(int value) {
    this.value = value;
  }

  public int getValue() {
    return value;
  }

  /**
   * @param value ECI value
   * @return {@link ECI} representing ECI of given value, or null if it is legal but unsupported
   * @throws IllegalArgumentException if ECI value is invalid
   */
  public static ECI getECIByValue(int value) {
    if (value < 0 || value > 999999) {
      throw new IllegalArgumentException("Bad ECI value: " + value);
    }
    if (value < 900) { // Character set ECIs use 000000 - 000899
      return CharacterSetECI.getCharacterSetECIByValue(value);
    }
    return null;
  }

}

Java Source Code List