org.apache.tika.server.resource.DetectorResource Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.tika.server.resource;
import javax.ws.rs.Consumes;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.UriInfo;
import java.io.IOException;
import java.io.InputStream;
import org.apache.tika.io.TikaInputStream;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.metadata.TikaCoreProperties;
import org.apache.tika.mime.MediaType;
import org.apache.tika.server.ServerStatus;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@Path("/detect")
public class DetectorResource {
private static final Logger LOG = LoggerFactory.getLogger(DetectorResource.class);
private final ServerStatus serverStatus;
public DetectorResource(ServerStatus serverStatus) {
this.serverStatus = serverStatus;
}
@PUT
@Path("stream")
@Consumes("*/*")
@Produces("text/plain")
public String detect(final InputStream is,
@Context HttpHeaders httpHeaders, @Context final UriInfo info) {
Metadata met = new Metadata();
TikaInputStream tis = TikaInputStream.get(TikaResource.getInputStream(is, httpHeaders));
String filename = TikaResource.detectFilename(httpHeaders
.getRequestHeaders());
LOG.info("Detecting media type for Filename: {}", filename);
met.add(Metadata.RESOURCE_NAME_KEY, filename);
TikaResource.checkIsOperating();
long taskId = serverStatus.start(ServerStatus.TASK.DETECT, filename);
try {
return TikaResource.getConfig().getDetector().detect(tis, met).toString();
} catch (IOException e) {
LOG.warn("Unable to detect MIME type for file. Reason: {}", e.getMessage(), e);
return MediaType.OCTET_STREAM.toString();
} catch (OutOfMemoryError e) {
serverStatus.setStatus(ServerStatus.STATUS.ERROR);
throw e;
} finally {
serverStatus.complete(taskId);
}
}
}