io.github.wj0410.cloudbox.tools.util.file.ImageUtils Maven / Gradle / Ivy
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package io.github.wj0410.cloudbox.tools.util.file;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.commons.io.IOUtils;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.Arrays;
/**
* 图片处理工具类
*
* @author wangjie
*/
public class ImageUtils {
private static final Logger log = LoggerFactory.getLogger(ImageUtils.class);
public static byte[] getImage(String imagePath) {
InputStream is = getFile(imagePath);
try {
return IOUtils.toByteArray(is);
} catch (Exception e) {
log.error("图片加载异常 {}", e);
return null;
} finally {
IOUtils.closeQuietly(is);
}
}
public static InputStream getFile(String imagePath) {
try {
byte[] result = readFile(imagePath);
result = Arrays.copyOf(result, result.length);
return new ByteArrayInputStream(result);
} catch (Exception e) {
log.error("获取图片异常 {}", e);
}
return null;
}
/**
* 读取文件为字节数据
*
* @param url 地址
* @return 字节数据
*/
public static byte[] readFile(String url) {
InputStream in = null;
try {
// 网络地址
URL urlObj = new URL(url);
URLConnection urlConnection = urlObj.openConnection();
urlConnection.setConnectTimeout(30 * 1000);
urlConnection.setReadTimeout(60 * 1000);
urlConnection.setDoInput(true);
in = urlConnection.getInputStream();
return IOUtils.toByteArray(in);
} catch (Exception e) {
log.error("访问文件异常 {}", e);
return null;
} finally {
IOUtils.closeQuietly(in);
}
}
}
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