/*
* (C) Copyright 2006-2016 Nuxeo SA (http://nuxeo.com/) and others.
*
* Licensed 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.
*
* Contributors:
* Nuxeo - initial API and implementation
*
*/
package org.nuxeo.ecm.platform.mimetype.detectors;
import java.io.File;
import java.io.IOException;
import java.util.Map;
import org.apache.commons.io.FileUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.nuxeo.runtime.api.Framework;
import net.sf.jmimemagic.MagicDetector;
public class MsoXmlMimetypeSniffer implements MagicDetector {
private static final Log log = LogFactory.getLog(MsoXmlMimetypeSniffer.class);
@Override
public String getDisplayName() {
return "XML Microsoft 2003 MimeType Detector";
}
@Override
public String[] getHandledExtensions() {
return new String[] { "xml" };
}
@Override
public String[] getHandledTypes() {
return new String[] { "application/vnd.ms-excel", "application/msword", };
}
@Override
public String getName() {
return "msoxml2003detector";
}
@Override
public String getVersion() {
return "0.1";
}
@Override
public String[] process(byte[] data, int offset, int length, long bitmask, char comparator, String mimeType,
Map params) {
String[] mimetypes = {};
File file = null;
try {
file = Framework.createTempFile("magicdetector", ".xml");
FileUtils.writeByteArrayToFile(file, data);
mimetypes = guessMsoXml(file);
} catch (IOException e) {
log.error(e);
} finally {
if (file != null) {
file.delete();
}
}
return mimetypes;
}
@Override
public String[] process(File file, int offset, int length, long bitmask, char comparator, String mimeType,
Map params) {
return guessMsoXml(file);
}
public String[] guessMsoXml(File file) {
String[] mimetype = {};
try {
String content = FileUtils.readFileToString(file);
if (content.contains("<?mso-application progid=\"Word.Document\"?>")) {
String[] type = { getHandledTypes()[1] };
mimetype = type;
} else {
if (content.contains("<?mso-application progid=\"Excel.Sheet\"?>")) {
String[] type = { getHandledTypes()[0] };
mimetype = type;
}
}
} catch (IOException e) {
log.error(e);
}
return mimetype;
}
}