org.dromara.hutool.extra.qrcode.QrEncoder Maven / Gradle / Ivy
/*
* Copyright (c) 2013-2024 Hutool Team and hutool.cn
*
* 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 org.dromara.hutool.extra.qrcode;
import org.dromara.hutool.core.codec.Encoder;
import org.dromara.hutool.core.text.StrUtil;
import org.dromara.hutool.core.util.ObjUtil;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.WriterException;
import com.google.zxing.common.BitMatrix;
/**
* 二维码（条形码等）编码器，用于将文本内容转换为二维码
*
* @author looly
* @since 6.0.0
*/
public class QrEncoder implements Encoder {
/**
* 创建QrEncoder
*
* @param config {@link QrConfig}
* @return QrEncoder
*/
public static QrEncoder of(final QrConfig config) {
return new QrEncoder(config);
}
private final QrConfig config;
/**
* 构造
*
* @param config {@link QrConfig}
*/
public QrEncoder(final QrConfig config) {
this.config = ObjUtil.defaultIfNull(config, QrConfig::of);
}
@Override
public BitMatrix encode(final CharSequence content) {
final MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
final BitMatrix bitMatrix;
try {
bitMatrix = multiFormatWriter.encode(
StrUtil.toString(content),
config.format, config.width, config.height,
config.toHints());
} catch (final WriterException e) {
throw new QrCodeException(e);
}
return bitMatrix;
}
}