MIME type status.
[SerializableAttribute()]
[DataContractAttribute()]
public enum DocumentMimeTypeStatus
public:
[SerializableAttribute,
DataContractAttribute]
enum class DocumentMimeTypeStatus sealed
class DocumentMimeTypeStatus(Enum):
Unspecified = 0
Allowed = 1
Denied = 2
Value | Member | Description |
---|---|---|
0 | Unspecified | Default value. Operation will succeed. |
1 | Allowed | Allows documents of this MIME type. Operation will succeed. |
2 | Denied | Disallows documents of this MIME type. Operation will fail. |
Refer to DocumentMimeTypes for more information.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.Document.Writer;
using Leadtools.Document;
using Leadtools.Caching;
using Leadtools.Annotations.Engine;
using Leadtools.Ocr;
using Leadtools.Barcode;
using Leadtools.Document.Converter;
public void MimeTypesWhitelistExample()
{
// Documents to try and load
string[] urls =
{
"https://demo.leadtools.com/images/pdf/leadtools.pdf",
"https://demo.leadtools.com/images/tiff/ocr.tif",
"https://demo.leadtools.com/images/png/pngimage.png"
};
// Setup a callback for logging
// DocumentMimeTypes & DocumentMimeTypes.UserGetDocumentStatusHandler reference
DocumentMimeTypes.UserGetDocumentStatusHandler userGetDocumentStatus = (Uri uri, LoadDocumentOptions options, DocumentMimeTypeSource source, string mimeType) =>
{
// Use default operation
DocumentMimeTypeStatus status = DocumentFactory.MimeTypes.GetDocumentStatus(uri, options, source, mimeType);
string mimeTypeValue = mimeType != null ? mimeType : "[null]";
DocumentFactory.MimeTypes.GetStatus(mimeTypeValue);
Console.WriteLine(string.Format(" ** Whitelist url:{0} source:{1} mimeType:{2} status:{3}", uri.ToString(), source, mimeTypeValue, status));
return status;
};
DocumentFactory.MimeTypes.UserGetDocumentStatus = userGetDocumentStatus;
// Load the documents, by default we should load all of them
Console.WriteLine("Everything should load OK");
LoadDocuments(urls);
// Now, disable loading everything except PDF and TIFF and try again
Console.WriteLine("Disabling everything except PDF and TIFF");
DocumentFactory.MimeTypes.DefaultStatus = DocumentMimeTypeStatus.Denied;
DocumentFactory.MimeTypes.Entries.Add("application/pdf", DocumentMimeTypeStatus.Allowed);
DocumentFactory.MimeTypes.Entries.Add("image/tiff", DocumentMimeTypeStatus.Allowed);
Console.WriteLine("Only PDF and TIFF should be loaeded");
LoadDocuments(urls);
// Reset
DocumentFactory.MimeTypes.UserGetDocumentStatus = null;
}
private static void LoadDocuments(string[] urls)
{
var loadDocumentOptions = new LoadDocumentOptions();
foreach (var url in urls)
{
Console.WriteLine(" Loading " + url);
using (var document = DocumentFactory.LoadFromUri(new Uri(url), loadDocumentOptions))
{
if (document != null)
Console.WriteLine(" is Loaded");
else
Console.WriteLine(" cannot be loaded");
}
}
}
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.regex.Pattern;
import org.junit.*;
import org.junit.runner.JUnitCore;
import org.junit.runner.Result;
import org.junit.runner.notification.Failure;
import static org.junit.Assert.*;
import leadtools.*;
import leadtools.annotations.engine.*;
import leadtools.barcode.*;
import leadtools.caching.*;
import leadtools.codecs.*;
import leadtools.document.*;
import leadtools.document.DocumentMimeTypes.UserGetDocumentStatusHandler;
import leadtools.document.converter.*;
import leadtools.document.writer.*;
import leadtools.ocr.*;
public void documentMimeTypesExample() throws URISyntaxException {
// Documents to try and load
String[] urls = {
"https://demo.leadtools.com/images/pdf/leadtools.pdf",
"https://demo.leadtools.com/images/tiff/ocr.tif",
"https://demo.leadtools.com/images/png/pngimage.png"
};
// Setup a callback for logging
// DocumentMimeTypes & DocumentMimeTypes.UserGetDocumentStatusHandler reference
UserGetDocumentStatusHandler userGetDocumentStatus = new UserGetDocumentStatusHandler() {
@Override
public DocumentMimeTypeStatus userGetDocumentStatus(URI uri, LoadDocumentOptions options,
DocumentMimeTypeSource source, String mimeType) {
// Use default operation
DocumentMimeTypeStatus status = DocumentFactory.getMimeTypes().getDocumentStatus(uri, options, source,
mimeType);
String mimeTypeValue = mimeType != null ? mimeType : "[null]";
DocumentFactory.getMimeTypes().getStatus(mimeTypeValue);
System.out.println(String.format(" ** Whitelist url:%s source:%s mimeType:%s status:%s%n", uri.toString(),
source, mimeTypeValue, status));
return status;
}
};
DocumentFactory.getMimeTypes().setUserGetDocumentStatus(userGetDocumentStatus);
// Load the documents, by default we should load all of them
System.out.println("Everything should load OK");
loadDocuments(urls);
// Now, disable loading everything except PDF and TIFF and try again
System.out.println("Disabling everything except PDF and TIFF");
DocumentFactory.getMimeTypes().setDefaultStatus(DocumentMimeTypeStatus.DENIED);
DocumentFactory.getMimeTypes().getEntries().put("application/pdf", DocumentMimeTypeStatus.ALLOWED);
DocumentFactory.getMimeTypes().getEntries().put("image/tiff", DocumentMimeTypeStatus.ALLOWED);
System.out.println("Only PDF and TIFF should be loaded");
loadDocuments(urls);
// Reset
DocumentFactory.getMimeTypes().setUserGetDocumentStatus(null);
}
private void loadDocuments(String[] urls) throws URISyntaxException {
LoadDocumentOptions loadDocumentOptions = new LoadDocumentOptions();
for (String url : urls) {
System.out.println(" Loading " + url);
LEADDocument document = DocumentFactory.loadFromUri(new URI(url), loadDocumentOptions);
if (document != null)
System.out.println(" is Loaded");
else
System.out.println(" cannot be loaded");
}
}
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