kangaroo-and-rabbit/karideo
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[DEV] update get thumbnail

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This commit is contained in:
Edouard DUPIN 2022-06-07 00:14:38 +02:00
parent 0a3ca3e422
commit 1fd16e23ba
1 changed files with 14 additions and 13 deletions
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27
back/src/org/kar/karideo/api/DataResource.java
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@ -376,9 +376,9 @@ public class DataResource {
//@CacheMaxAge(time = 10, unit = TimeUnit.DAYS) //@CacheMaxAge(time = 10, unit = TimeUnit.DAYS)
public Response retriveDataThumbnailId(@Context SecurityContext sc, @QueryParam(HttpHeaders.AUTHORIZATION) String token, @HeaderParam("Range") String range, @PathParam("id") Long id) throws Exception { public Response retriveDataThumbnailId(@Context SecurityContext sc, @QueryParam(HttpHeaders.AUTHORIZATION) String token, @HeaderParam("Range") String range, @PathParam("id") Long id) throws Exception {
GenericContext gc = (GenericContext) sc.getUserPrincipal(); GenericContext gc = (GenericContext) sc.getUserPrincipal();
System.out.println("==================================================="); //System.out.println("===================================================");
System.out.println("== DATA retriveDataThumbnailId ? " + (gc==null?"null":gc.user)); //System.out.println("== DATA retriveDataThumbnailId ? " + (gc==null?"null":gc.user));
System.out.println("==================================================="); //System.out.println("===================================================");
DataSmall value = getSmall(id); DataSmall value = getSmall(id);
if (value == null) { if (value == null) {
return Response.status(404). return Response.status(404).
@ -392,9 +392,8 @@ public class DataResource {
// || value.mimeType.contentEquals("image/webp") // || value.mimeType.contentEquals("image/webp")
) { ) {
// reads input image // reads input image
System.out.println("Read path: " + filePathName); //System.out.println("Read path: " + filePathName);
File inputFile = new File(filePathName); File inputFile = new File(filePathName);
System.out.println(" ==> file exist: "+ inputFile.exists());
if (!inputFile.exists()) { if (!inputFile.exists()) {
return Response.status(500). return Response.status(500).
entity("Internal Error: Media is NOT FOUNDABLE: " + id). entity("Internal Error: Media is NOT FOUNDABLE: " + id).
@ -402,30 +401,32 @@ public class DataResource {
build(); build();
} }
BufferedImage inputImage = ImageIO.read(inputFile); BufferedImage inputImage = ImageIO.read(inputFile);
System.out.println(" ==> in buffer ready");
int scaledWidth = 250; int scaledWidth = 250;
int scaledHeight = (int)((float)inputImage.getHeight() / (float)inputImage.getWidth() * (float) scaledWidth); int scaledHeight = (int)((float)inputImage.getHeight() / (float)inputImage.getWidth() * (float) scaledWidth);
// creates output image // creates output image
BufferedImage outputImage = new BufferedImage(scaledWidth, BufferedImage outputImage = new BufferedImage(scaledWidth,
scaledHeight, inputImage.getType()); scaledHeight, inputImage.getType());
System.out.println(" ==> out buffer ready");
// scales the input image to the output image // scales the input image to the output image
Graphics2D g2d = outputImage.createGraphics(); Graphics2D g2d = outputImage.createGraphics();
g2d.drawImage(inputImage, 0, 0, scaledWidth, scaledHeight, null); g2d.drawImage(inputImage, 0, 0, scaledWidth, scaledHeight, null);
g2d.dispose(); g2d.dispose();
System.out.println(" ==> configure Resize Done"); // create the output stream:
// create the oputput stream:
ByteArrayOutputStream baos = new ByteArrayOutputStream(); ByteArrayOutputStream baos = new ByteArrayOutputStream();
ImageIO.write(outputImage, "JPG", baos); try {
System.out.println(" ==> resize done"); ImageIO.write(outputImage, "JPG", baos);
} catch (IOException e) {
e.printStackTrace();
return Response.status(500).
entity("Internal Error: resize fail: " + e.getMessage()).
type("text/plain").
build();
}
byte[] imageData = baos.toByteArray(); byte[] imageData = baos.toByteArray();
System.out.println(" ==> generate response");
Response.ok(new ByteArrayInputStream(imageData)).build(); Response.ok(new ByteArrayInputStream(imageData)).build();
Response.ResponseBuilder out = Response.ok(imageData) Response.ResponseBuilder out = Response.ok(imageData)
.header(HttpHeaders.CONTENT_LENGTH, imageData.length); .header(HttpHeaders.CONTENT_LENGTH, imageData.length);
out.type("image/jpeg"); out.type("image/jpeg");
System.out.println(" ==> SSSSSSSSSSSSend");
return out.build(); return out.build();
} }
return buildStream(filePathName, range, value.mimeType); return buildStream(filePathName, range, value.mimeType);