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Yes, I'm that stupid. I'm trying to stick some groovy code together from various cookbook recipes, and I can't get from an InputStream to BufferedImage in Java/Groovy. Google is not being my friend at present.
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Example 1: Java Program to Convert InputStream to Byte Arraybyte[] array = stream. readAllBytes(); Here, the readAllBytes() method returns all the data from the stream and stores in the byte array. Note: We have used the Arrays.
To convert an InputStream Object int to a String using this method. Instantiate the Scanner class by passing your InputStream object as parameter. Read each line from this Scanner using the nextLine() method and append it to a StringBuffer object. Finally convert the StringBuffer to String using the toString() method.
The IOUtils type has a static method to read an InputStream and return a byte[] . InputStream is; byte[] bytes = IOUtils. toByteArray(is); Internally this creates a ByteArrayOutputStream and copies the bytes to the output, then calls toByteArray() .
Since Java 9, we can use the readAllBytes() method from InputStream class to read all bytes into a byte array. This method reads all bytes from an InputStream object at once and blocks until all remaining bytes have read and end of a stream is detected, or an exception is thrown.
BufferedImage imBuff = ImageIO.read(object.getInputStream()); Should work...
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