Java tutorial
/**************************************************************** * 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.james.mailbox.lucene.search; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.StringReader; import java.nio.charset.Charset; import java.util.ArrayList; import java.util.Calendar; import java.util.Collection; import java.util.Date; import java.util.EnumSet; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.Locale; import java.util.Map; import java.util.Set; import java.util.TimeZone; import javax.mail.Flags; import javax.mail.Flags.Flag; import org.apache.james.mailbox.MailboxManager.SearchCapabilities; import org.apache.james.mailbox.MailboxSession; import org.apache.james.mailbox.exception.MailboxException; import org.apache.james.mailbox.exception.UnsupportedSearchException; import org.apache.james.mailbox.model.MailboxId; import org.apache.james.mailbox.model.MailboxId.Factory; import org.apache.james.mailbox.model.MessageRange; import org.apache.james.mailbox.model.MultimailboxesSearchQuery; import org.apache.james.mailbox.model.SearchQuery; import org.apache.james.mailbox.model.SearchQuery.AllCriterion; import org.apache.james.mailbox.model.SearchQuery.ContainsOperator; import org.apache.james.mailbox.model.SearchQuery.Criterion; import org.apache.james.mailbox.model.SearchQuery.CustomFlagCriterion; import org.apache.james.mailbox.model.SearchQuery.DateOperator; import org.apache.james.mailbox.model.SearchQuery.DateResolution; import org.apache.james.mailbox.model.SearchQuery.FlagCriterion; import org.apache.james.mailbox.model.SearchQuery.HeaderCriterion; import org.apache.james.mailbox.model.SearchQuery.HeaderOperator; import org.apache.james.mailbox.model.SearchQuery.NumericOperator; import org.apache.james.mailbox.model.SearchQuery.NumericRange; import org.apache.james.mailbox.model.SearchQuery.UidCriterion; import org.apache.james.mailbox.model.UpdatedFlags; import org.apache.james.mailbox.store.mail.MessageMapperFactory; import org.apache.james.mailbox.store.mail.model.Mailbox; import org.apache.james.mailbox.store.mail.model.MailboxMessage; import org.apache.james.mailbox.store.search.ListeningMessageSearchIndex; import org.apache.james.mailbox.store.search.SearchUtil; import org.apache.james.mime4j.MimeException; import org.apache.james.mime4j.dom.Header; import org.apache.james.mime4j.dom.address.Address; import org.apache.james.mime4j.dom.address.AddressList; import org.apache.james.mime4j.dom.address.Group; import org.apache.james.mime4j.dom.address.MailboxList; import org.apache.james.mime4j.dom.datetime.DateTime; import org.apache.james.mime4j.dom.field.DateTimeField; import org.apache.james.mime4j.field.address.AddressFormatter; import org.apache.james.mime4j.field.address.LenientAddressParser; import org.apache.james.mime4j.field.datetime.parser.DateTimeParser; import org.apache.james.mime4j.message.SimpleContentHandler; import org.apache.james.mime4j.parser.MimeStreamParser; import org.apache.james.mime4j.stream.BodyDescriptor; import org.apache.james.mime4j.stream.MimeConfig; import org.apache.james.mime4j.util.MimeUtil; import org.apache.lucene.analysis.Analyzer; import org.apache.lucene.document.DateTools; import org.apache.lucene.document.Document; import org.apache.lucene.document.Field; import org.apache.lucene.document.Field.Index; import org.apache.lucene.document.Field.Store; import org.apache.lucene.document.NumericField; import org.apache.lucene.index.CorruptIndexException; import org.apache.lucene.index.IndexReader; import org.apache.lucene.index.IndexWriter; import org.apache.lucene.index.IndexWriterConfig; import org.apache.lucene.index.IndexWriterConfig.OpenMode; import org.apache.lucene.index.Term; import org.apache.lucene.search.BooleanClause; import org.apache.lucene.search.BooleanQuery; import org.apache.lucene.search.IndexSearcher; import org.apache.lucene.search.MatchAllDocsQuery; import org.apache.lucene.search.NumericRangeQuery; import org.apache.lucene.search.PrefixQuery; import org.apache.lucene.search.Query; import org.apache.lucene.search.ScoreDoc; import org.apache.lucene.search.Sort; import org.apache.lucene.search.SortField; import org.apache.lucene.search.TermQuery; import org.apache.lucene.search.TermRangeQuery; import org.apache.lucene.search.TopDocs; import org.apache.lucene.search.WildcardQuery; import org.apache.lucene.store.Directory; import org.apache.lucene.store.LockObtainFailedException; import org.apache.lucene.util.IOUtils; import org.apache.lucene.util.Version; import com.google.common.base.Preconditions; import com.google.common.collect.ImmutableSet; import com.google.common.collect.LinkedHashMultimap; import com.google.common.collect.Multimap; /** * Lucene based {@link ListeningMessageSearchIndex} which offers message searching via a Lucene index * * * @param */ public class LuceneMessageSearchIndex extends ListeningMessageSearchIndex { private final static Date MAX_DATE; private final static Date MIN_DATE; static { Calendar cal = Calendar.getInstance(); cal.set(9999, 11, 31); MAX_DATE = cal.getTime(); cal.set(0000, 0, 1); MIN_DATE = cal.getTime(); } /** * Default max query results */ public final static int DEFAULT_MAX_QUERY_RESULTS = 100000; /** * {@link Field} which will contain the unique index of the {@link Document} */ public final static String ID_FIELD = "id"; /** * {@link Field} which will contain uid of the {@link MailboxMessage} */ public final static String UID_FIELD = "uid"; /** * {@link Field} which will contain the {@link Flags} of the {@link MailboxMessage} */ public final static String FLAGS_FIELD = "flags"; /** * {@link Field} which will contain the size of the {@link MailboxMessage} */ public final static String SIZE_FIELD = "size"; /** * {@link Field} which will contain the body of the {@link MailboxMessage} */ public final static String BODY_FIELD = "body"; /** * Prefix which will be used for each message header to store it also in a seperate {@link Field} */ public final static String PREFIX_HEADER_FIELD = "header_"; /** * {@link Field} which will contain the whole message header of the {@link MailboxMessage} */ public final static String HEADERS_FIELD = "headers"; /** * {@link Field} which will contain the mod-sequence of the message */ public final static String MODSEQ_FIELD = "modSeq"; /** * {@link Field} which will contain the TO-Address of the message */ public final static String TO_FIELD = "to"; public final static String FIRST_TO_MAILBOX_NAME_FIELD = "firstToMailboxName"; public final static String FIRST_TO_MAILBOX_DISPLAY_FIELD = "firstToMailboxDisplay"; /** * {@link Field} which will contain the CC-Address of the message */ public final static String CC_FIELD = "cc"; public final static String FIRST_CC_MAILBOX_NAME_FIELD = "firstCcMailboxName"; /** * {@link Field} which will contain the FROM-Address of the message */ public final static String FROM_FIELD = "from"; public final static String FIRST_FROM_MAILBOX_NAME_FIELD = "firstFromMailboxName"; public final static String FIRST_FROM_MAILBOX_DISPLAY_FIELD = "firstFromMailboxDisplay"; /** * {@link Field} which will contain the BCC-Address of the message */ public final static String BCC_FIELD = "bcc"; public final static String BASE_SUBJECT_FIELD = "baseSubject"; /** * {@link Field} which contain the internalDate of the message with YEAR-Resolution */ public final static String INTERNAL_DATE_FIELD_YEAR_RESOLUTION = "internaldateYearResolution"; /** * {@link Field} which contain the internalDate of the message with MONTH-Resolution */ public final static String INTERNAL_DATE_FIELD_MONTH_RESOLUTION = "internaldateMonthResolution"; /** * {@link Field} which contain the internalDate of the message with DAY-Resolution */ public final static String INTERNAL_DATE_FIELD_DAY_RESOLUTION = "internaldateDayResolution"; /** * {@link Field} which contain the internalDate of the message with HOUR-Resolution */ public final static String INTERNAL_DATE_FIELD_HOUR_RESOLUTION = "internaldateHourResolution"; /** * {@link Field} which contain the internalDate of the message with MINUTE-Resolution */ public final static String INTERNAL_DATE_FIELD_MINUTE_RESOLUTION = "internaldateMinuteResolution"; /** * {@link Field} which contain the internalDate of the message with SECOND-Resolution */ public final static String INTERNAL_DATE_FIELD_SECOND_RESOLUTION = "internaldateSecondResolution"; /** * {@link Field} which contain the internalDate of the message with MILLISECOND-Resolution */ public final static String INTERNAL_DATE_FIELD_MILLISECOND_RESOLUTION = "internaldateMillisecondResolution"; /** * {@link Field} which will contain the id of the {@link Mailbox} */ public final static String MAILBOX_ID_FIELD = "mailboxid"; /** * {@link Field} which contain the Date header of the message with YEAR-Resolution */ public final static String SENT_DATE_FIELD_YEAR_RESOLUTION = "sentdateYearResolution"; /** * {@link Field} which contain the Date header of the message with MONTH-Resolution */ public final static String SENT_DATE_FIELD_MONTH_RESOLUTION = "sentdateMonthResolution"; /** * {@link Field} which contain the Date header of the message with DAY-Resolution */ public final static String SENT_DATE_FIELD_DAY_RESOLUTION = "sentdateDayResolution"; /** * {@link Field} which contain the Date header of the message with HOUR-Resolution */ public final static String SENT_DATE_FIELD_HOUR_RESOLUTION = "sentdateHourResolution"; /** * {@link Field} which contain the Date header of the message with MINUTE-Resolution */ public final static String SENT_DATE_FIELD_MINUTE_RESOLUTION = "sentdateMinuteResolution"; /** * {@link Field} which contain the Date header of the message with SECOND-Resolution */ public final static String SENT_DATE_FIELD_SECOND_RESOLUTION = "sentdateSecondResolution"; /** * {@link Field} which contain the Date header of the message with MILLISECOND-Resolution */ public final static String SENT_DATE_FIELD_MILLISECOND_RESOLUTION = "sentdateMillisecondResolution"; public final static String SENT_DATE_SORT_FIELD_MILLISECOND_RESOLUTION = "sentdateSort"; public final static String NON_EXIST_FIELD = "nonExistField"; private final static String MEDIA_TYPE_TEXT = "text"; private final static String MEDIA_TYPE_MESSAGE = "message"; private final static String DEFAULT_ENCODING = "US-ASCII"; private final static SortField UID_SORT = new SortField(UID_FIELD, SortField.LONG); private final static SortField UID_SORT_REVERSE = new SortField(UID_FIELD, SortField.LONG, true); private final static SortField SIZE_SORT = new SortField(SIZE_FIELD, SortField.LONG); private final static SortField SIZE_SORT_REVERSE = new SortField(SIZE_FIELD, SortField.LONG, true); private final static SortField FIRST_CC_MAILBOX_SORT = new SortField(FIRST_CC_MAILBOX_NAME_FIELD, SortField.STRING); private final static SortField FIRST_CC_MAILBOX_SORT_REVERSE = new SortField(FIRST_CC_MAILBOX_NAME_FIELD, SortField.STRING, true); private final static SortField FIRST_TO_MAILBOX_SORT = new SortField(FIRST_TO_MAILBOX_NAME_FIELD, SortField.STRING); private final static SortField FIRST_TO_MAILBOX_SORT_REVERSE = new SortField(FIRST_TO_MAILBOX_NAME_FIELD, SortField.STRING, true); private final static SortField FIRST_FROM_MAILBOX_SORT = new SortField(FIRST_FROM_MAILBOX_NAME_FIELD, SortField.STRING); private final static SortField FIRST_FROM_MAILBOX_SORT_REVERSE = new SortField(FIRST_FROM_MAILBOX_NAME_FIELD, SortField.STRING, true); private final static SortField ARRIVAL_MAILBOX_SORT = new SortField(INTERNAL_DATE_FIELD_MILLISECOND_RESOLUTION, SortField.LONG); private final static SortField ARRIVAL_MAILBOX_SORT_REVERSE = new SortField( INTERNAL_DATE_FIELD_MILLISECOND_RESOLUTION, SortField.LONG, true); private final static SortField BASE_SUBJECT_SORT = new SortField(BASE_SUBJECT_FIELD, SortField.STRING); private final static SortField BASE_SUBJECT_SORT_REVERSE = new SortField(BASE_SUBJECT_FIELD, SortField.STRING, true); private final static SortField SENT_DATE_SORT = new SortField(SENT_DATE_SORT_FIELD_MILLISECOND_RESOLUTION, SortField.LONG); private final static SortField SENT_DATE_SORT_REVERSE = new SortField( SENT_DATE_SORT_FIELD_MILLISECOND_RESOLUTION, SortField.LONG, true); private final static SortField FIRST_TO_MAILBOX_DISPLAY_SORT = new SortField(FIRST_TO_MAILBOX_DISPLAY_FIELD, SortField.STRING); private final static SortField FIRST_TO_MAILBOX_DISPLAY_SORT_REVERSE = new SortField( FIRST_TO_MAILBOX_DISPLAY_FIELD, SortField.STRING, true); private final static SortField FIRST_FROM_MAILBOX_DISPLAY_SORT = new SortField(FIRST_FROM_MAILBOX_DISPLAY_FIELD, SortField.STRING); private final static SortField FIRST_FROM_MAILBOX_DISPLAY_SORT_REVERSE = new SortField( FIRST_FROM_MAILBOX_DISPLAY_FIELD, SortField.STRING, true); private final Factory mailboxIdFactory; private final IndexWriter writer; private int maxQueryResults = DEFAULT_MAX_QUERY_RESULTS; private boolean suffixMatch = false; public LuceneMessageSearchIndex(MessageMapperFactory factory, MailboxId.Factory mailboxIdFactory, Directory directory) throws CorruptIndexException, LockObtainFailedException, IOException { this(factory, mailboxIdFactory, directory, false, true); } public LuceneMessageSearchIndex(MessageMapperFactory factory, MailboxId.Factory mailboxIdFactory, Directory directory, boolean dropIndexOnStart, boolean lenient) throws CorruptIndexException, LockObtainFailedException, IOException { super(factory); this.mailboxIdFactory = mailboxIdFactory; this.writer = new IndexWriter(directory, createConfig(createAnalyzer(lenient), dropIndexOnStart)); } public LuceneMessageSearchIndex(MessageMapperFactory factory, MailboxId.Factory mailboxIdFactory, IndexWriter writer) { super(factory); this.mailboxIdFactory = mailboxIdFactory; this.writer = writer; } @Override public ListenerType getType() { return ListenerType.EACH_NODE; } @Override public EnumSet<SearchCapabilities> getSupportedCapabilities() { return EnumSet.noneOf(SearchCapabilities.class); } /** * Set the max count of results which will get returned from a query. The default is {@link #DEFAULT_MAX_QUERY_RESULTS} * * @param maxQueryResults */ public void setMaxQueryResults(int maxQueryResults) { this.maxQueryResults = maxQueryResults; } protected IndexWriterConfig createConfig(Analyzer analyzer, boolean dropIndexOnStart) { IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_31, analyzer); if (dropIndexOnStart) { config.setOpenMode(OpenMode.CREATE); } else { config.setOpenMode(OpenMode.CREATE_OR_APPEND); } return config; } /** * Create a {@link Analyzer} which is used to index the {@link MailboxMessage}'s * * @param lenient * * @return analyzer */ protected Analyzer createAnalyzer(boolean lenient) { if (lenient) { return new LenientImapSearchAnalyzer(); } else { return new StrictImapSearchAnalyzer(); } } /** * If set to true this implementation will use {@link WildcardQuery} to match suffix and prefix. This is what RFC3501 expects but is often not what the user does. * It also slow things a lot if you have complex queries which use many "TEXT" arguments. If you want the implementation to behave strict like RFC3501 says, you should * set this to true. * * The default is false for performance reasons * * * @param suffixMatch */ public void setEnableSuffixMatch(boolean suffixMatch) { this.suffixMatch = suffixMatch; } /** * @see org.apache.james.mailbox.store.search.MessageSearchIndex#search(org.apache.james.mailbox.MailboxSession, org.apache.james.mailbox.store.mail.model.Mailbox, org.apache.james.mailbox.model.SearchQuery) */ public Iterator<Long> search(MailboxSession session, Mailbox mailbox, SearchQuery searchQuery) throws MailboxException { Preconditions.checkArgument(session != null, "'session' is mandatory"); MailboxId mailboxId = mailbox.getMailboxId(); Multimap<MailboxId, Long> results = searchMultimap(session, MultimailboxesSearchQuery.from(searchQuery).inMailboxes(mailboxId).build()); return results.get(mailboxId).iterator(); } @Override public Map<MailboxId, Collection<Long>> search(MailboxSession session, MultimailboxesSearchQuery searchQuery) throws MailboxException { Preconditions.checkArgument(session != null, "'session' is mandatory"); return searchMultimap(session, searchQuery).asMap(); } private Multimap<MailboxId, Long> searchMultimap(MailboxSession session, MultimailboxesSearchQuery searchQuery) throws MailboxException { Multimap<MailboxId, Long> results = LinkedHashMultimap.create(); IndexSearcher searcher = null; Query inMailboxes = buildQueryFromMailboxes(searchQuery.getInMailboxes()); try { searcher = new IndexSearcher(IndexReader.open(writer, true)); BooleanQuery query = new BooleanQuery(); query.add(inMailboxes, BooleanClause.Occur.MUST); // Not return flags documents query.add(new PrefixQuery(new Term(FLAGS_FIELD, "")), BooleanClause.Occur.MUST_NOT); List<Criterion> crits = searchQuery.getSearchQuery().getCriterias(); for (Criterion crit : crits) { query.add(createQuery(crit, inMailboxes, searchQuery.getSearchQuery().getRecentMessageUids()), BooleanClause.Occur.MUST); } // query for all the documents sorted as specified in the SearchQuery TopDocs docs = searcher.search(query, null, maxQueryResults, createSort(searchQuery.getSearchQuery().getSorts())); ScoreDoc[] sDocs = docs.scoreDocs; for (ScoreDoc sDoc : sDocs) { Document doc = searcher.doc(sDoc.doc); long uid = Long.valueOf(doc.get(UID_FIELD)); MailboxId mailboxId = mailboxIdFactory.fromString(doc.get(MAILBOX_ID_FIELD)); results.put(mailboxId, uid); } } catch (IOException e) { throw new MailboxException("Unable to search the mailbox", e); } finally { if (searcher != null) { try { searcher.close(); } catch (IOException e) { // ignore on close } } } return results; } private Query buildQueryFromMailboxes(ImmutableSet<MailboxId> mailboxIds) { if (mailboxIds.isEmpty()) { return new MatchAllDocsQuery(); } BooleanQuery query = new BooleanQuery(); for (MailboxId id : mailboxIds) { String idAsString = id.serialize(); query.add(new TermQuery(new Term(MAILBOX_ID_FIELD, idAsString)), BooleanClause.Occur.SHOULD); } return query; } /** * Create a new {@link Document} for the given {@link MailboxMessage}. This Document does not contain any flags data. The {@link Flags} are stored in a seperate Document. * * See {@link #createFlagsDocument(MailboxMessage)} * * @param membership * @return document */ private Document createMessageDocument(final MailboxSession session, final MailboxMessage membership) throws MailboxException { final Document doc = new Document(); // TODO: Better handling doc.add(new Field(MAILBOX_ID_FIELD, membership.getMailboxId().serialize().toUpperCase(Locale.ENGLISH), Store.YES, Index.NOT_ANALYZED)); doc.add(new NumericField(UID_FIELD, Store.YES, true).setLongValue(membership.getUid())); // create an unqiue key for the document which can be used later on updates to find the document doc.add(new Field(ID_FIELD, membership.getMailboxId().serialize().toUpperCase(Locale.ENGLISH) + "-" + Long.toString(membership.getUid()), Store.YES, Index.NOT_ANALYZED)); doc.add(new Field(INTERNAL_DATE_FIELD_YEAR_RESOLUTION, DateTools.dateToString(membership.getInternalDate(), DateTools.Resolution.YEAR), Store.NO, Index.NOT_ANALYZED)); doc.add(new Field(INTERNAL_DATE_FIELD_MONTH_RESOLUTION, DateTools.dateToString(membership.getInternalDate(), DateTools.Resolution.MONTH), Store.NO, Index.NOT_ANALYZED)); doc.add(new Field(INTERNAL_DATE_FIELD_DAY_RESOLUTION, DateTools.dateToString(membership.getInternalDate(), DateTools.Resolution.DAY), Store.NO, Index.NOT_ANALYZED)); doc.add(new Field(INTERNAL_DATE_FIELD_HOUR_RESOLUTION, DateTools.dateToString(membership.getInternalDate(), DateTools.Resolution.HOUR), Store.NO, Index.NOT_ANALYZED)); doc.add(new Field(INTERNAL_DATE_FIELD_MINUTE_RESOLUTION, DateTools.dateToString(membership.getInternalDate(), DateTools.Resolution.MINUTE), Store.NO, Index.NOT_ANALYZED)); doc.add(new Field(INTERNAL_DATE_FIELD_SECOND_RESOLUTION, DateTools.dateToString(membership.getInternalDate(), DateTools.Resolution.SECOND), Store.NO, Index.NOT_ANALYZED)); doc.add(new Field(INTERNAL_DATE_FIELD_MILLISECOND_RESOLUTION, DateTools.dateToString(membership.getInternalDate(), DateTools.Resolution.MILLISECOND), Store.NO, Index.NOT_ANALYZED)); doc.add(new NumericField(SIZE_FIELD, Store.YES, true).setLongValue(membership.getFullContentOctets())); // content handler which will index the headers and the body of the message SimpleContentHandler handler = new SimpleContentHandler() { public void headers(Header header) { Date sentDate = null; String firstFromMailbox = ""; String firstToMailbox = ""; String firstCcMailbox = ""; String firstFromDisplay = ""; String firstToDisplay = ""; Iterator<org.apache.james.mime4j.stream.Field> fields = header.iterator(); while (fields.hasNext()) { org.apache.james.mime4j.stream.Field f = fields.next(); String headerName = f.getName().toUpperCase(Locale.ENGLISH); String headerValue = f.getBody().toUpperCase(Locale.ENGLISH); String fullValue = f.toString().toUpperCase(Locale.ENGLISH); doc.add(new Field(HEADERS_FIELD, fullValue, Store.NO, Index.ANALYZED)); doc.add(new Field(PREFIX_HEADER_FIELD + headerName, headerValue, Store.NO, Index.ANALYZED)); if (f instanceof DateTimeField) { // We need to make sure we convert it to GMT final StringReader reader = new StringReader(f.getBody()); try { DateTime dateTime = new DateTimeParser(reader).parseAll(); Calendar cal = getGMT(); cal.set(dateTime.getYear(), dateTime.getMonth() - 1, dateTime.getDay(), dateTime.getHour(), dateTime.getMinute(), dateTime.getSecond()); sentDate = cal.getTime(); } catch (org.apache.james.mime4j.field.datetime.parser.ParseException e) { session.getLog().debug("Unable to parse Date header for proper indexing", e); // This should never happen anyway fallback to the already parsed field sentDate = ((DateTimeField) f).getDate(); } } String field = null; if ("To".equalsIgnoreCase(headerName)) { field = TO_FIELD; } else if ("From".equalsIgnoreCase(headerName)) { field = FROM_FIELD; } else if ("Cc".equalsIgnoreCase(headerName)) { field = CC_FIELD; } else if ("Bcc".equalsIgnoreCase(headerName)) { field = BCC_FIELD; } // Check if we can index the the address in the right manner if (field != null) { // not sure if we really should reparse it. It maybe be better to check just for the right type. // But this impl was easier in the first place AddressList aList = LenientAddressParser.DEFAULT .parseAddressList(MimeUtil.unfold(f.getBody())); for (int i = 0; i < aList.size(); i++) { Address address = aList.get(i); if (address instanceof org.apache.james.mime4j.dom.address.Mailbox) { org.apache.james.mime4j.dom.address.Mailbox mailbox = (org.apache.james.mime4j.dom.address.Mailbox) address; String value = AddressFormatter.DEFAULT.encode(mailbox).toUpperCase(Locale.ENGLISH); doc.add(new Field(field, value, Store.NO, Index.ANALYZED)); if (i == 0) { String mailboxAddress = SearchUtil.getMailboxAddress(mailbox); String mailboxDisplay = SearchUtil.getDisplayAddress(mailbox); if ("To".equalsIgnoreCase(headerName)) { firstToMailbox = mailboxAddress; firstToDisplay = mailboxDisplay; } else if ("From".equalsIgnoreCase(headerName)) { firstFromMailbox = mailboxAddress; firstFromDisplay = mailboxDisplay; } else if ("Cc".equalsIgnoreCase(headerName)) { firstCcMailbox = mailboxAddress; } } } else if (address instanceof Group) { MailboxList mList = ((Group) address).getMailboxes(); for (int a = 0; a < mList.size(); a++) { org.apache.james.mime4j.dom.address.Mailbox mailbox = mList.get(a); String value = AddressFormatter.DEFAULT.encode(mailbox) .toUpperCase(Locale.ENGLISH); doc.add(new Field(field, value, Store.NO, Index.ANALYZED)); if (i == 0 && a == 0) { String mailboxAddress = SearchUtil.getMailboxAddress(mailbox); String mailboxDisplay = SearchUtil.getDisplayAddress(mailbox); if ("To".equalsIgnoreCase(headerName)) { firstToMailbox = mailboxAddress; firstToDisplay = mailboxDisplay; } else if ("From".equalsIgnoreCase(headerName)) { firstFromMailbox = mailboxAddress; firstFromDisplay = mailboxDisplay; } else if ("Cc".equalsIgnoreCase(headerName)) { firstCcMailbox = mailboxAddress; } } } } } doc.add(new Field(field, headerValue, Store.NO, Index.ANALYZED)); } else if (headerName.equalsIgnoreCase("Subject")) { doc.add(new Field(BASE_SUBJECT_FIELD, SearchUtil.getBaseSubject(headerValue), Store.YES, Index.NOT_ANALYZED)); } } if (sentDate == null) { sentDate = membership.getInternalDate(); } else { doc.add(new Field(SENT_DATE_FIELD_YEAR_RESOLUTION, DateTools.dateToString(sentDate, DateTools.Resolution.YEAR), Store.NO, Index.NOT_ANALYZED)); doc.add(new Field(SENT_DATE_FIELD_MONTH_RESOLUTION, DateTools.dateToString(sentDate, DateTools.Resolution.MONTH), Store.NO, Index.NOT_ANALYZED)); doc.add(new Field(SENT_DATE_FIELD_DAY_RESOLUTION, DateTools.dateToString(sentDate, DateTools.Resolution.DAY), Store.NO, Index.NOT_ANALYZED)); doc.add(new Field(SENT_DATE_FIELD_HOUR_RESOLUTION, DateTools.dateToString(sentDate, DateTools.Resolution.HOUR), Store.NO, Index.NOT_ANALYZED)); doc.add(new Field(SENT_DATE_FIELD_MINUTE_RESOLUTION, DateTools.dateToString(sentDate, DateTools.Resolution.MINUTE), Store.NO, Index.NOT_ANALYZED)); doc.add(new Field(SENT_DATE_FIELD_SECOND_RESOLUTION, DateTools.dateToString(sentDate, DateTools.Resolution.SECOND), Store.NO, Index.NOT_ANALYZED)); doc.add(new Field(SENT_DATE_FIELD_MILLISECOND_RESOLUTION, DateTools.dateToString(sentDate, DateTools.Resolution.MILLISECOND), Store.NO, Index.NOT_ANALYZED)); } doc.add(new Field(SENT_DATE_SORT_FIELD_MILLISECOND_RESOLUTION, DateTools.dateToString(sentDate, DateTools.Resolution.MILLISECOND), Store.NO, Index.NOT_ANALYZED)); doc.add(new Field(FIRST_FROM_MAILBOX_NAME_FIELD, firstFromMailbox, Store.YES, Index.NOT_ANALYZED)); doc.add(new Field(FIRST_TO_MAILBOX_NAME_FIELD, firstToMailbox, Store.YES, Index.NOT_ANALYZED)); doc.add(new Field(FIRST_CC_MAILBOX_NAME_FIELD, firstCcMailbox, Store.YES, Index.NOT_ANALYZED)); doc.add(new Field(FIRST_FROM_MAILBOX_DISPLAY_FIELD, firstFromDisplay, Store.YES, Index.NOT_ANALYZED)); doc.add(new Field(FIRST_TO_MAILBOX_DISPLAY_FIELD, firstToDisplay, Store.YES, Index.NOT_ANALYZED)); } @Override public void body(BodyDescriptor desc, InputStream in) throws MimeException, IOException { String mediaType = desc.getMediaType(); if (MEDIA_TYPE_TEXT.equalsIgnoreCase(mediaType) || MEDIA_TYPE_MESSAGE.equalsIgnoreCase(mediaType)) { String cset = desc.getCharset(); if (cset == null) { cset = DEFAULT_ENCODING; } Charset charset; try { charset = Charset.forName(cset); } catch (Exception e) { // Invalid charset found so fallback toe the DEFAULT_ENCODING charset = Charset.forName(DEFAULT_ENCODING); } // Read the content one line after the other and add it to the document BufferedReader bodyReader = new BufferedReader(new InputStreamReader(in, charset)); String line = null; while ((line = bodyReader.readLine()) != null) { doc.add(new Field(BODY_FIELD, line.toUpperCase(Locale.ENGLISH), Store.NO, Index.ANALYZED)); } } } }; MimeConfig config = MimeConfig.custom().setMaxLineLen(-1).setMaxContentLen(-1).build(); //config.setStrictParsing(false); MimeStreamParser parser = new MimeStreamParser(config); parser.setContentDecoding(true); parser.setContentHandler(handler); try { // parse the message to index headers and body parser.parse(membership.getFullContent()); } catch (MimeException e) { // This should never happen as it was parsed before too without problems. throw new MailboxException("Unable to index content of message", e); } catch (IOException e) { // This should never happen as it was parsed before too without problems. // anyway let us just skip the body and headers in the index throw new MailboxException("Unable to index content of message", e); } return doc; } private String toSentDateField(DateResolution res) { String field; switch (res) { case Year: field = SENT_DATE_FIELD_YEAR_RESOLUTION; break; case Month: field = SENT_DATE_FIELD_MONTH_RESOLUTION; break; case Day: field = SENT_DATE_FIELD_DAY_RESOLUTION; break; case Hour: field = SENT_DATE_FIELD_HOUR_RESOLUTION; break; case Minute: field = SENT_DATE_FIELD_MINUTE_RESOLUTION; break; case Second: field = SENT_DATE_FIELD_SECOND_RESOLUTION; break; default: field = SENT_DATE_FIELD_MILLISECOND_RESOLUTION; break; } return field; } private static Calendar getGMT() { return Calendar.getInstance(TimeZone.getTimeZone("GMT"), Locale.ENGLISH); } private String toInteralDateField(DateResolution res) { String field; switch (res) { case Year: field = INTERNAL_DATE_FIELD_YEAR_RESOLUTION; break; case Month: field = INTERNAL_DATE_FIELD_MONTH_RESOLUTION; break; case Day: field = INTERNAL_DATE_FIELD_DAY_RESOLUTION; break; case Hour: field = INTERNAL_DATE_FIELD_HOUR_RESOLUTION; break; case Minute: field = INTERNAL_DATE_FIELD_MINUTE_RESOLUTION; break; case Second: field = INTERNAL_DATE_FIELD_SECOND_RESOLUTION; break; default: field = INTERNAL_DATE_FIELD_MILLISECOND_RESOLUTION; break; } return field; } /** * Return a {@link Query} which is build based on the given {@link SearchQuery.InternalDateCriterion} * * @param crit * @return query * @throws UnsupportedSearchException */ private Query createInternalDateQuery(SearchQuery.InternalDateCriterion crit) throws UnsupportedSearchException { DateOperator dop = crit.getOperator(); DateResolution res = dop.getDateResultion(); String field = toInteralDateField(res); return createQuery(field, dop); } /** * Return a {@link Query} which is build based on the given {@link SearchQuery.SizeCriterion} * * @param crit * @return query * @throws UnsupportedSearchException */ private Query createSizeQuery(SearchQuery.SizeCriterion crit) throws UnsupportedSearchException { NumericOperator op = crit.getOperator(); switch (op.getType()) { case EQUALS: return NumericRangeQuery.newLongRange(SIZE_FIELD, op.getValue(), op.getValue(), true, true); case GREATER_THAN: return NumericRangeQuery.newLongRange(SIZE_FIELD, op.getValue(), Long.MAX_VALUE, false, true); case LESS_THAN: return NumericRangeQuery.newLongRange(SIZE_FIELD, Long.MIN_VALUE, op.getValue(), true, false); default: throw new UnsupportedSearchException(); } } /** * This method will return the right {@link Query} depending if {@link #suffixMatch} is enabled * * @param fieldName * @param value * @return query */ private Query createTermQuery(String fieldName, String value) { if (suffixMatch) { return new WildcardQuery(new Term(fieldName, "*" + value + "*")); } else { return new PrefixQuery(new Term(fieldName, value)); } } /** * Return a {@link Query} which is build based on the given {@link SearchQuery.HeaderCriterion} * * @param crit * @return query * @throws UnsupportedSearchException */ private Query createHeaderQuery(SearchQuery.HeaderCriterion crit) throws UnsupportedSearchException { HeaderOperator op = crit.getOperator(); String name = crit.getHeaderName().toUpperCase(Locale.ENGLISH); String fieldName = PREFIX_HEADER_FIELD + name; if (op instanceof SearchQuery.ContainsOperator) { ContainsOperator cop = (ContainsOperator) op; return createTermQuery(fieldName, cop.getValue().toUpperCase(Locale.ENGLISH)); } else if (op instanceof SearchQuery.ExistsOperator) { return new PrefixQuery(new Term(fieldName, "")); } else if (op instanceof SearchQuery.DateOperator) { DateOperator dop = (DateOperator) op; String field = toSentDateField(dop.getDateResultion()); return createQuery(field, dop); } else if (op instanceof SearchQuery.AddressOperator) { String field = name.toLowerCase(Locale.ENGLISH); return createTermQuery(field, ((SearchQuery.AddressOperator) op).getAddress().toUpperCase(Locale.ENGLISH)); } else { // Operator not supported throw new UnsupportedSearchException(); } } private Query createQuery(String field, DateOperator dop) throws UnsupportedSearchException { Date date = dop.getDate(); DateResolution res = dop.getDateResultion(); DateTools.Resolution dRes = toResolution(res); String value = DateTools.dateToString(date, dRes); switch (dop.getType()) { case ON: return new TermQuery(new Term(field, value)); case BEFORE: return new TermRangeQuery(field, DateTools.dateToString(MIN_DATE, dRes), value, true, false); case AFTER: return new TermRangeQuery(field, value, DateTools.dateToString(MAX_DATE, dRes), false, true); default: throw new UnsupportedSearchException(); } } private DateTools.Resolution toResolution(DateResolution res) { switch (res) { case Year: return DateTools.Resolution.YEAR; case Month: return DateTools.Resolution.MONTH; case Day: return DateTools.Resolution.DAY; case Hour: return DateTools.Resolution.HOUR; case Minute: return DateTools.Resolution.MINUTE; case Second: return DateTools.Resolution.SECOND; default: return DateTools.Resolution.MILLISECOND; } } /** * Return a {@link Query} which is build based on the given {@link SearchQuery.UidCriterion} * * @param crit * @return query * @throws UnsupportedSearchException */ private Query createUidQuery(SearchQuery.UidCriterion crit) throws UnsupportedSearchException { NumericRange[] ranges = crit.getOperator().getRange(); if (ranges.length == 1) { NumericRange range = ranges[0]; return NumericRangeQuery.newLongRange(UID_FIELD, range.getLowValue(), range.getHighValue(), true, true); } else { BooleanQuery rangesQuery = new BooleanQuery(); for (NumericRange range : ranges) { rangesQuery.add(NumericRangeQuery.newLongRange(UID_FIELD, range.getLowValue(), range.getHighValue(), true, true), BooleanClause.Occur.SHOULD); } return rangesQuery; } } /** * Return a {@link Query} which is build based on the given {@link SearchQuery.UidCriterion} * * @param crit * @return query * @throws UnsupportedSearchException */ private Query createModSeqQuery(SearchQuery.ModSeqCriterion crit) throws UnsupportedSearchException { NumericOperator op = crit.getOperator(); switch (op.getType()) { case EQUALS: return NumericRangeQuery.newLongRange(MODSEQ_FIELD, op.getValue(), op.getValue(), true, true); case GREATER_THAN: return NumericRangeQuery.newLongRange(MODSEQ_FIELD, op.getValue(), Long.MAX_VALUE, false, true); case LESS_THAN: return NumericRangeQuery.newLongRange(MODSEQ_FIELD, Long.MIN_VALUE, op.getValue(), true, false); default: throw new UnsupportedSearchException(); } } /** * Return a {@link Query} which is build based on the given {@link SearchQuery.FlagCriterion}. This is kind of a hack * as it will do a search for the flags in this method and * * @param crit * @return query * @throws UnsupportedSearchException */ private Query createFlagQuery(String flag, boolean isSet, Query inMailboxes, Collection<Long> recentUids) throws MailboxException, UnsupportedSearchException { BooleanQuery query = new BooleanQuery(); if (isSet) { query.add(new TermQuery(new Term(FLAGS_FIELD, flag)), BooleanClause.Occur.MUST); } else { // lucene does not support simple NOT queries so we do some nasty hack here BooleanQuery bQuery = new BooleanQuery(); bQuery.add(new PrefixQuery(new Term(FLAGS_FIELD, "")), BooleanClause.Occur.MUST); bQuery.add(new TermQuery(new Term(FLAGS_FIELD, flag)), BooleanClause.Occur.MUST_NOT); query.add(bQuery, BooleanClause.Occur.MUST); } query.add(inMailboxes, BooleanClause.Occur.MUST); IndexSearcher searcher = null; try { Set<Long> uids = new HashSet<Long>(); searcher = new IndexSearcher(IndexReader.open(writer, true)); // query for all the documents sorted by uid TopDocs docs = searcher.search(query, null, maxQueryResults, new Sort(UID_SORT)); ScoreDoc[] sDocs = docs.scoreDocs; for (ScoreDoc sDoc : sDocs) { long uid = Long.valueOf(searcher.doc(sDoc.doc).get(UID_FIELD)); uids.add(uid); } // add or remove recent uids if (flag.equalsIgnoreCase("\\RECENT")) { if (isSet) { uids.addAll(recentUids); } else { uids.removeAll(recentUids); } } List<MessageRange> ranges = MessageRange.toRanges(new ArrayList<Long>(uids)); NumericRange[] nRanges = new NumericRange[ranges.size()]; for (int i = 0; i < ranges.size(); i++) { MessageRange range = ranges.get(i); nRanges[i] = new NumericRange(range.getUidFrom(), range.getUidTo()); } return createUidQuery((UidCriterion) SearchQuery.uid(nRanges)); } catch (IOException e) { throw new MailboxException("Unable to search mailbox " + inMailboxes, e); } finally { if (searcher != null) { try { searcher.close(); } catch (IOException e) { // ignore on close } } } } private Sort createSort(List<SearchQuery.Sort> sorts) { Sort sort = new Sort(); List<SortField> fields = new ArrayList<SortField>(); for (SearchQuery.Sort s : sorts) { boolean reverse = s.isReverse(); SortField sf = null; switch (s.getSortClause()) { case Arrival: if (reverse) { sf = ARRIVAL_MAILBOX_SORT_REVERSE; } else { sf = ARRIVAL_MAILBOX_SORT; } break; case SentDate: if (reverse) { sf = SENT_DATE_SORT_REVERSE; } else { sf = SENT_DATE_SORT; } break; case MailboxCc: if (reverse) { sf = FIRST_CC_MAILBOX_SORT_REVERSE; } else { sf = FIRST_CC_MAILBOX_SORT; } break; case MailboxFrom: if (reverse) { sf = FIRST_FROM_MAILBOX_SORT_REVERSE; } else { sf = FIRST_FROM_MAILBOX_SORT; } break; case Size: if (reverse) { sf = SIZE_SORT_REVERSE; } else { sf = SIZE_SORT; } break; case BaseSubject: if (reverse) { sf = BASE_SUBJECT_SORT_REVERSE; } else { sf = BASE_SUBJECT_SORT; } break; case MailboxTo: if (reverse) { sf = FIRST_TO_MAILBOX_SORT_REVERSE; } else { sf = FIRST_TO_MAILBOX_SORT; } break; case Uid: if (reverse) { sf = UID_SORT_REVERSE; } else { sf = UID_SORT; } break; case DisplayFrom: if (reverse) { sf = FIRST_FROM_MAILBOX_DISPLAY_SORT_REVERSE; } else { sf = FIRST_FROM_MAILBOX_DISPLAY_SORT; } break; case DisplayTo: if (reverse) { sf = FIRST_TO_MAILBOX_DISPLAY_SORT_REVERSE; } else { sf = FIRST_TO_MAILBOX_DISPLAY_SORT; } break; default: break; } if (sf != null) { fields.add(sf); // Add the uid sort as tie-breaker if (sf == SENT_DATE_SORT) { fields.add(UID_SORT); } else if (sf == SENT_DATE_SORT_REVERSE) { fields.add(UID_SORT_REVERSE); } } } // add the uid sorting as last so if no other sorting was able todo the job it will get sorted by the uid fields.add(UID_SORT); sort.setSort(fields.toArray(new SortField[0])); return sort; } /** * Convert the given {@link Flag} to a String * * @param flag * @return flagString */ private String toString(Flag flag) { if (Flag.ANSWERED.equals(flag)) { return "\\ANSWERED"; } else if (Flag.DELETED.equals(flag)) { return "\\DELETED"; } else if (Flag.DRAFT.equals(flag)) { return "\\DRAFT"; } else if (Flag.FLAGGED.equals(flag)) { return "\\FLAGGED"; } else if (Flag.RECENT.equals(flag)) { return "\\RECENT"; } else if (Flag.SEEN.equals(flag)) { return "\\FLAG"; } else { return flag.toString(); } } /** * Return a {@link Query} which is build based on the given {@link SearchQuery.TextCriterion} * * @param crit * @return query * @throws UnsupportedSearchException */ private Query createTextQuery(SearchQuery.TextCriterion crit) throws UnsupportedSearchException { String value = crit.getOperator().getValue().toUpperCase(Locale.ENGLISH); switch (crit.getType()) { case BODY: return createTermQuery(BODY_FIELD, value); case FULL: BooleanQuery query = new BooleanQuery(); query.add(createTermQuery(BODY_FIELD, value), BooleanClause.Occur.SHOULD); query.add(createTermQuery(HEADERS_FIELD, value), BooleanClause.Occur.SHOULD); return query; default: throw new UnsupportedSearchException(); } } /** * Return a {@link Query} which is build based on the given {@link SearchQuery.AllCriterion} * * @param crit * @return query * @throws UnsupportedSearchException */ private Query createAllQuery(SearchQuery.AllCriterion crit) throws UnsupportedSearchException { BooleanQuery query = new BooleanQuery(); query.add(createQuery(MessageRange.all()), BooleanClause.Occur.MUST); query.add(new PrefixQuery(new Term(FLAGS_FIELD, "")), BooleanClause.Occur.MUST_NOT); return query; } /** * Return a {@link Query} which is build based on the given {@link SearchQuery.ConjunctionCriterion} * * @param crit * @return query * @throws UnsupportedSearchException */ private Query createConjunctionQuery(SearchQuery.ConjunctionCriterion crit, Query inMailboxes, Collection<Long> recentUids) throws UnsupportedSearchException, MailboxException { List<Criterion> crits = crit.getCriteria(); BooleanQuery conQuery = new BooleanQuery(); switch (crit.getType()) { case AND: for (Criterion criterion : crits) { conQuery.add(createQuery(criterion, inMailboxes, recentUids), BooleanClause.Occur.MUST); } return conQuery; case OR: for (Criterion criterion : crits) { conQuery.add(createQuery(criterion, inMailboxes, recentUids), BooleanClause.Occur.SHOULD); } return conQuery; case NOR: BooleanQuery nor = new BooleanQuery(); for (Criterion criterion : crits) { conQuery.add(createQuery(criterion, inMailboxes, recentUids), BooleanClause.Occur.SHOULD); } nor.add(inMailboxes, BooleanClause.Occur.MUST); nor.add(conQuery, BooleanClause.Occur.MUST_NOT); return nor; default: throw new UnsupportedSearchException(); } } /** * Return a {@link Query} which is builded based on the given {@link Criterion} * * @param criterion * @return query * @throws UnsupportedSearchException */ private Query createQuery(Criterion criterion, Query inMailboxes, Collection<Long> recentUids) throws UnsupportedSearchException, MailboxException { if (criterion instanceof SearchQuery.InternalDateCriterion) { SearchQuery.InternalDateCriterion crit = (SearchQuery.InternalDateCriterion) criterion; return createInternalDateQuery(crit); } else if (criterion instanceof SearchQuery.SizeCriterion) { SearchQuery.SizeCriterion crit = (SearchQuery.SizeCriterion) criterion; return createSizeQuery(crit); } else if (criterion instanceof SearchQuery.HeaderCriterion) { HeaderCriterion crit = (HeaderCriterion) criterion; return createHeaderQuery(crit); } else if (criterion instanceof SearchQuery.UidCriterion) { SearchQuery.UidCriterion crit = (SearchQuery.UidCriterion) criterion; return createUidQuery(crit); } else if (criterion instanceof SearchQuery.FlagCriterion) { FlagCriterion crit = (FlagCriterion) criterion; return createFlagQuery(toString(crit.getFlag()), crit.getOperator().isSet(), inMailboxes, recentUids); } else if (criterion instanceof SearchQuery.CustomFlagCriterion) { CustomFlagCriterion crit = (CustomFlagCriterion) criterion; return createFlagQuery(crit.getFlag(), crit.getOperator().isSet(), inMailboxes, recentUids); } else if (criterion instanceof SearchQuery.TextCriterion) { SearchQuery.TextCriterion crit = (SearchQuery.TextCriterion) criterion; return createTextQuery(crit); } else if (criterion instanceof SearchQuery.AllCriterion) { return createAllQuery((AllCriterion) criterion); } else if (criterion instanceof SearchQuery.ConjunctionCriterion) { SearchQuery.ConjunctionCriterion crit = (SearchQuery.ConjunctionCriterion) criterion; return createConjunctionQuery(crit, inMailboxes, recentUids); } else if (criterion instanceof SearchQuery.ModSeqCriterion) { return createModSeqQuery((SearchQuery.ModSeqCriterion) criterion); } throw new UnsupportedSearchException(); } /** * @see org.apache.james.mailbox.store.search.ListeningMessageSearchIndex#add(org.apache.james.mailbox.MailboxSession, org.apache.james.mailbox.store.mail.model.Mailbox, MailboxMessage) */ public void add(MailboxSession session, Mailbox mailbox, MailboxMessage membership) throws MailboxException { Document doc = createMessageDocument(session, membership); Document flagsDoc = createFlagsDocument(membership); try { writer.addDocument(doc); writer.addDocument(flagsDoc); } catch (CorruptIndexException e) { throw new MailboxException("Unable to add message to index", e); } catch (IOException e) { throw new MailboxException("Unable to add message to index", e); } } /** * @see ListeningMessageSearchIndex#update */ @Override public void update(MailboxSession session, Mailbox mailbox, List<UpdatedFlags> updatedFlagsList) throws MailboxException { for (UpdatedFlags updatedFlags : updatedFlagsList) { update(mailbox, updatedFlags.getUid(), updatedFlags.getNewFlags()); } } private void update(Mailbox mailbox, long uid, Flags f) throws MailboxException { IndexSearcher searcher = null; try { searcher = new IndexSearcher(IndexReader.open(writer, true)); BooleanQuery query = new BooleanQuery(); query.add(new TermQuery(new Term(MAILBOX_ID_FIELD, mailbox.getMailboxId().serialize())), BooleanClause.Occur.MUST); query.add(createQuery(MessageRange.one(uid)), BooleanClause.Occur.MUST); query.add(new PrefixQuery(new Term(FLAGS_FIELD, "")), BooleanClause.Occur.MUST); TopDocs docs = searcher.search(query, 100000); ScoreDoc[] sDocs = docs.scoreDocs; for (ScoreDoc sDoc : sDocs) { Document doc = searcher.doc(sDoc.doc); if (doc.getFieldable(FLAGS_FIELD) == null) { doc.removeFields(FLAGS_FIELD); indexFlags(doc, f); writer.updateDocument(new Term(ID_FIELD, doc.get(ID_FIELD)), doc); } } } catch (IOException e) { throw new MailboxException("Unable to add messages in index", e); } finally { try { IOUtils.closeWhileHandlingException(searcher); } catch (IOException e) { //can't happen anyway } } } /** * Index the {@link Flags} and add it to the {@link Document} * * @param f * @param doc */ private Document createFlagsDocument(MailboxMessage message) { Document doc = new Document(); doc.add(new Field(ID_FIELD, "flags-" + message.getMailboxId().serialize() + "-" + Long.toString(message.getUid()), Store.YES, Index.NOT_ANALYZED)); doc.add(new Field(MAILBOX_ID_FIELD, message.getMailboxId().serialize(), Store.YES, Index.NOT_ANALYZED)); doc.add(new NumericField(UID_FIELD, Store.YES, true).setLongValue(message.getUid())); indexFlags(doc, message.createFlags()); return doc; } /** * Add the given {@link Flags} to the {@link Document} * * @param doc * @param f */ private void indexFlags(Document doc, Flags f) { List<String> fString = new ArrayList<String>(); Flag[] flags = f.getSystemFlags(); for (Flag flag : flags) { fString.add(toString(flag)); doc.add(new Field(FLAGS_FIELD, toString(flag), Store.NO, Index.NOT_ANALYZED)); } String[] userFlags = f.getUserFlags(); for (String userFlag : userFlags) { doc.add(new Field(FLAGS_FIELD, userFlag, Store.NO, Index.NOT_ANALYZED)); } // if no flags are there we just use a empty field if (flags.length == 0 && userFlags.length == 0) { doc.add(new Field(FLAGS_FIELD, "", Store.NO, Index.NOT_ANALYZED)); } } private Query createQuery(MessageRange range) { switch (range.getType()) { case ONE: return NumericRangeQuery.newLongRange(UID_FIELD, range.getUidFrom(), range.getUidTo(), true, true); case FROM: return NumericRangeQuery.newLongRange(UID_FIELD, range.getUidFrom(), Long.MAX_VALUE, true, true); default: return NumericRangeQuery.newLongRange(UID_FIELD, 0L, Long.MAX_VALUE, true, true); } } @Override public void delete(MailboxSession session, Mailbox mailbox, List<Long> expungedUids) throws MailboxException { Collection<MessageRange> messageRanges = MessageRange.toRanges(expungedUids); for (MessageRange messageRange : messageRanges) { delete(mailbox, messageRange); } } @Override public void deleteAll(MailboxSession session, Mailbox mailbox) throws MailboxException { delete(mailbox, MessageRange.all()); } public void delete(Mailbox mailbox, MessageRange range) throws MailboxException { BooleanQuery query = new BooleanQuery(); query.add(new TermQuery(new Term(MAILBOX_ID_FIELD, mailbox.getMailboxId().serialize())), BooleanClause.Occur.MUST); query.add(createQuery(range), BooleanClause.Occur.MUST); try { writer.deleteDocuments(query); } catch (CorruptIndexException e) { throw new MailboxException("Unable to delete message from index", e); } catch (IOException e) { throw new MailboxException("Unable to delete message from index", e); } } }