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REPO-5195 Handle AGS usage of RFC822MetadataExtracter
Put class back for now
This commit is contained in:
Alan Davis
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/*
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* #%L
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* Alfresco Repository
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* %%
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* Copyright (C) 2005 - 2020 Alfresco Software Limited
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* %%
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* This file is part of the Alfresco software.
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* If the software was purchased under a paid Alfresco license, the terms of
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* the paid license agreement will prevail. Otherwise, the software is
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* provided under the following open source license terms:
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*
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* Alfresco is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Alfresco is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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* #L%
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*/
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package org.alfresco.repo.content.metadata;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.Serializable;
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import java.io.UnsupportedEncodingException;
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import java.util.Arrays;
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import java.util.Date;
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import java.util.Enumeration;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Set;
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import javax.mail.Header;
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import javax.mail.internet.InternetAddress;
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import javax.mail.internet.MimeMessage;
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import javax.mail.internet.MimeUtility;
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import javax.mail.internet.MimeMessage.RecipientType;
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import org.alfresco.repo.content.MimetypeMap;
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import org.alfresco.service.cmr.repository.ContentReader;
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import org.alfresco.service.namespace.QName;
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/**
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* @deprecated OOTB extractors are being moved to T-Engines.
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*
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* Metadata extractor for RFC822 mime emails.
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*
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* Default configuration: (see RFC822MetadataExtractor.properties)
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*
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* <pre>
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* <b>messageFrom:</b> -- imap:messageFrom, cm:originator
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* <b>messageTo:</b> -- imap:messageTo
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* <b>messageCc:</b> -- imap:messageCc
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* <b>messageSubject:</b> -- imap:messageSubject, cm:title, cm:description, cm:subjectline
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* <b>messageSent:</b> -- imap:dateSent, cm:sentdate
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* <b>messageReceived:</b> -- imap:dateReceived
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* <b>All {@link Header#getName() header names}:</b>
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* <b>Thread-Index:</b> -- imap:threadIndex
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* <b>Message-ID:</b> -- imap:messageId
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* </pre>
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*
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* @author Derek Hulley
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* @since 3.2
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*/
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@Deprecated
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public class RFC822MetadataExtracter extends AbstractMappingMetadataExtracter
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{
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protected static final String KEY_MESSAGE_FROM = "messageFrom";
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protected static final String KEY_MESSAGE_TO = "messageTo";
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protected static final String KEY_MESSAGE_CC = "messageCc";
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protected static final String KEY_MESSAGE_SUBJECT = "messageSubject";
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protected static final String KEY_MESSAGE_SENT = "messageSent";
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protected static final String KEY_MESSAGE_RECEIVED = "messageReceived";
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public static String[] SUPPORTED_MIMETYPES = new String[] { MimetypeMap.MIMETYPE_RFC822 };
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public RFC822MetadataExtracter()
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{
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super(new HashSet<String>(Arrays.asList(SUPPORTED_MIMETYPES)));
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}
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@Override
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protected Map<String, Serializable> extractRaw(ContentReader reader) throws Throwable
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{
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Map<String, Serializable> rawProperties = newRawMap();
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InputStream is = null;
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try
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{
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is = reader.getContentInputStream();
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MimeMessage mimeMessage = new MimeMessage(null, is);
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if (mimeMessage != null)
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{
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/**
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* Extract RFC822 values that doesn't match to headers and need to be encoded.
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* Or those special fields that require some code to extract data
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*/
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String tmp = InternetAddress.toString(mimeMessage.getFrom());
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tmp = tmp != null ? MimeUtility.decodeText(tmp) : null;
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putRawValue(KEY_MESSAGE_FROM, tmp, rawProperties);
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tmp = InternetAddress.toString(mimeMessage.getRecipients(RecipientType.TO));
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tmp = tmp != null ? MimeUtility.decodeText(tmp) : null;
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putRawValue(KEY_MESSAGE_TO, tmp, rawProperties);
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tmp = InternetAddress.toString(mimeMessage.getRecipients(RecipientType.CC));
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tmp = tmp != null ? MimeUtility.decodeText(tmp) : null;
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putRawValue(KEY_MESSAGE_CC, tmp, rawProperties);
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putRawValue(KEY_MESSAGE_SENT, mimeMessage.getSentDate(), rawProperties);
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/**
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* Received field from RFC 822
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*
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* "Received" ":" ; one per relay
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* ["from" domain] ; sending host
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* ["by" domain] ; receiving host
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* ["via" atom] ; physical path
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* ("with" atom) ; link/mail protocol
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* ["id" msg-id] ; receiver msg id
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* ["for" addr-spec] ; initial form
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* ";" date-time ; time received
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*/
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Date rxDate = mimeMessage.getReceivedDate();
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if(rxDate != null)
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{
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// The email implementation extracted the received date for us.
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putRawValue(KEY_MESSAGE_RECEIVED, rxDate, rawProperties);
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}
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else
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{
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// the email implementation did not parse the received date for us.
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String[] rx = mimeMessage.getHeader("received");
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if(rx != null && rx.length > 0)
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{
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String lastReceived = rx[0];
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lastReceived = MimeUtility.unfold(lastReceived);
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int x = lastReceived.lastIndexOf(';');
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if(x > 0)
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{
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String dateStr = lastReceived.substring(x + 1).trim();
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putRawValue(KEY_MESSAGE_RECEIVED, dateStr, rawProperties);
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}
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}
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}
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String[] subj = mimeMessage.getHeader("Subject");
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if (subj != null && subj.length > 0)
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{
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String decodedSubject = subj[0];
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try
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{
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decodedSubject = MimeUtility.decodeText(decodedSubject);
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}
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catch (UnsupportedEncodingException e)
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{
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logger.warn(e.toString());
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}
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putRawValue(KEY_MESSAGE_SUBJECT, decodedSubject, rawProperties);
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}
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/*
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* Extract values from all header fields, including extension fields "X-"
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*/
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Set<String> keys = getMapping().keySet();
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@SuppressWarnings("unchecked")
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Enumeration<Header> headers = mimeMessage.getAllHeaders();
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while (headers.hasMoreElements())
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{
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Header header = (Header) headers.nextElement();
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if (keys.contains(header.getName()))
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{
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tmp = header.getValue();
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tmp = tmp != null ? MimeUtility.decodeText(tmp) : null;
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putRawValue(header.getName(), tmp, rawProperties);
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}
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}
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}
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}
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finally
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{
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if (is != null)
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{
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try
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{
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is.close();
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}
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catch (IOException e)
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{
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}
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}
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}
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// Done
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return rawProperties;
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}
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/**
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* Back door for RM
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* @return Map
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*/
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public final Map<String, Set<QName>> getCurrentMapping()
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{
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return super.getMapping();
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}
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}
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