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[英]How to get a BufferedImage of a File that is not a .jpeg, .gif, .bmp, or .png
[英]How to get the format(ex:jpen,png,gif) of image file (BufferedImage) in java
我想使用java获取缓冲的图像格式或图像类型,
InputStream stream = request.getResponseStream();
BufferedImage image= ImageIO.read(stream);
LOGGER.info(image);
请参阅ImageIO.read()代码
此代码最初在groovy中实现但转换为java所以它可能有语法错误。
public String read(InputStream input) throws IOException {
ImageInputStream stream = ImageIO.createImageInputStream(input);
Iterator iter = ImageIO.getImageReaders(stream);
if (!iter.hasNext()) {
return null;
}
ImageReader reader = (ImageReader) iter.next();
ImageReadParam param = reader.getDefaultReadParam();
reader.setInput(stream, true, true);
BufferedImage bi;
try {
bi = reader.read(0, param);
return reader.getFormatName();
} finally {
reader.dispose();
stream.close();
}
}
此代码可能会帮助您获取图像的扩展名
public static String getFormate(String ImageName) {
return (ImageName.substring(ImageName.indexOf('.'),ImageName.length()));
}
在上面的代码中,它首先搜索dot(。)并在substring()的帮助下返回扩展名
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