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*
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*
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* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
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* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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package org.glassfish.grizzly.http.multipart;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.glassfish.grizzly.CompletionHandler;
import org.glassfish.grizzly.Grizzly;
import org.glassfish.grizzly.http.server.Request;
import org.glassfish.grizzly.http.io.NIOInputStream;
/**
* Entry point for the multipart message processing.
* Initiates non-blocking, asynchronous multipart message parsing and processing.
*
* @since 2.0.1
*
* @author Alexey Stashok
* @author Heinrich Schuchardt
*/
public class MultipartScanner {
public static final String BOUNDARY_ATTR = "boundary";
private static final Logger LOGGER = Grizzly.logger(MultipartScanner.class);
static final String MULTIPART_CONTENT_TYPE = "multipart";
private MultipartScanner() {
}
/**
* Initialize the multipart HTTP request processing.
*
* @param request the multipart HTTP request.
* @param partHandler the {@link MultipartEntryHandler}, which is responsible
* for processing multipart entries.
* @param completionHandler {@link CompletionHandler}, which is invoked after
* multipart Request has been processed, or error occurred.
*/
public static void scan(final Request request,
final MultipartEntryHandler partHandler,
final CompletionHandler completionHandler) {
try {
final String contentType = request.getContentType();
if (contentType == null) {
throw new IllegalStateException("ContentType not found");
}
final String[] contentTypeParams = contentType.split(";");
final String[] contentSubType = contentTypeParams[0].split("/");
if (contentSubType.length != 2
|| !MULTIPART_CONTENT_TYPE.equalsIgnoreCase(contentSubType[0])) {
throw new IllegalStateException("Not multipart request");
}
String boundary = null;
final Map contentTypeProperties =
new HashMap();
for (int i = 1; i < contentTypeParams.length; i++) {
final String param = contentTypeParams[i].trim();
final String[] paramValue = param.split("=", 2);
if (paramValue.length == 2) {
String key = paramValue[0].trim();
String value = paramValue[1].trim();
if (value.charAt(0) == '"') {
value = value.substring(1,
value.length()
- 1);
}
contentTypeProperties.put(key, value);
if (BOUNDARY_ATTR.equals(key)) {
boundary = value;
}
}
}
if (boundary == null) {
throw new IllegalStateException("Boundary not found");
}
final NIOInputStream nioInputStream = request.getNIOInputStream();
nioInputStream.notifyAvailable(new MultipartReadHandler(request,
partHandler, completionHandler,
new MultipartContext(boundary, contentType,
contentTypeProperties)));
} catch (Exception e) {
if (completionHandler != null) {
completionHandler.failed(e);
} else {
LOGGER.log(Level.WARNING, "Error occurred, but no CompletionHandler installed to handle it", e);
}
}
}
/**
* Initialize the multipart/mixed {@link MultipartEntry} processing.
*
* @param multipartMixedEntry the multipart/mixed {@link MultipartEntry}.
* @param partHandler the {@link MultipartEntryHandler}, which is responsible
* for processing multipart sub-entries.
* @param completionHandler {@link CompletionHandler}, which is invoked after
* multipart/mixed {@link MultipartEntry} has been processed, or error occurred.
*/
public static void scan(final MultipartEntry multipartMixedEntry,
final MultipartEntryHandler partHandler,
final CompletionHandler completionHandler) {
try {
final String contentType = multipartMixedEntry.getContentType();
final String[] contentTypeParams = contentType.split(";");
final String[] contentSubType = contentTypeParams[0].split("/");
if (contentSubType.length != 2
|| !MULTIPART_CONTENT_TYPE.equalsIgnoreCase(contentSubType[0])) {
throw new IllegalStateException("Not multipart request");
}
String boundary = null;
final Map contentTypeProperties =
new HashMap();
for (int i = 1; i < contentTypeParams.length; i++) {
final String param = contentTypeParams[i].trim();
final String[] paramValue = param.split("=", 2);
if (paramValue.length == 2) {
String key = paramValue[0].trim();
String value = paramValue[1].trim();
if (value.charAt(0) == '"') {
value = value.substring(1,
value.length()
- 1);
}
contentTypeProperties.put(key, value);
if (BOUNDARY_ATTR.equals(key)) {
boundary = value;
}
}
}
if (boundary == null) {
throw new IllegalStateException("Boundary not found");
}
final NIOInputStream nioInputStream = multipartMixedEntry.getNIOInputStream();
nioInputStream.notifyAvailable(new MultipartReadHandler(multipartMixedEntry,
partHandler, completionHandler,
new MultipartContext(boundary, contentType,
contentTypeProperties)));
} catch (Exception e) {
if (completionHandler != null) {
completionHandler.failed(e);
} else {
LOGGER.log(Level.WARNING, "Error occurred, but no CompletionHandler installed to handle it", e);
}
}
}
}
