Message.java

Index Score
com.zimbra.cs.mailbox
Zimbra Collaboration Suite

View: Reasons, Metrics, Source Code

These are the metrics that contribute to the Enerjy Score for this file, ranked by impact. So the metrics listed at the top influence the score to a greater extent that the metrics listed at the bottom.

MetricDescription
JAVA0034JAVA0034 Missing braces in if statement
RETURNSNumber of return points from functions
INTERFACE_COMPLEXITYInterface complexity
EXITSProcedure exits
PARAMSNumber of formal parameter declarations
UNIQUE_OPERANDSNumber of unique operands
PROGRAM_VOCABHalstead program vocabulary
CYCLOMATICCyclomatic complexity
SIZESize of the file in bytes
OPERANDSNumber of operands
FUNCTIONSNumber of function declarations
JAVA0110JAVA0110 Incorrect javadoc: no @return tag
PROGRAM_LENGTHHalstead program length
OPERATORSNumber of operators
EXEC_COMMENTSComments in executable code
JAVA0128JAVA0128 Public constructor in non-public class
LOGICAL_LINESNumber of statements
JAVA0144JAVA0144 Line exceeds maximum M characters
COMPARISONSNumber of comparison operators
ELOCEffective lines of code
JAVA0117JAVA0117 Missing javadoc: method 'method'
LINE_COMMENTNumber of line comments
JAVA0108JAVA0108 Incorrect javadoc: no @param tag for 'parameter'
LOCLines of code
BLOCKSNumber of blocks
LINESNumber of lines in the source file
JAVA0115JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception'
UNIQUE_OPERATORSNumber of unique operators
DECL_COMMENTSComments in declarations
JAVA0166JAVA0166 Generic exception caught
JAVA0138JAVA0138 N parameters defined for method (maximum: M)
JAVA0130JAVA0130 Non-static method does not use instance fields
PROGRAM_VOLUMEHalstead program volume
JAVA0136JAVA0136 N methods defined in class (maximum: M)
JAVA0126JAVA0126 Method declares unchecked exception in throws
COMMENTSComment lines
JAVA0264JAVA0264 Integer math in long context - check for overflow
JAVA0173JAVA0173 Unused method parameter
LOOPSNumber of loops
NEST_DEPTHMaximum nesting depth
JAVA0145JAVA0145 Tab character used in source file
/* * ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1 * * The contents of this file are subject to the Mozilla Public License * Version 1.1 ("License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://www.zimbra.com/license * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. * * The Original Code is: Zimbra Collaboration Suite Server. * * The Initial Developer of the Original Code is Zimbra, Inc. * Portions created by Zimbra are Copyright (C) 2004, 2005, 2006 Zimbra, Inc. * All Rights Reserved. * * Contributor(s): * * ***** END LICENSE BLOCK ***** */ /* * Created on Jun 13, 2004 */ package com.zimbra.cs.mailbox; import java.io.IOException; import java.util.ArrayList; import java.util.Arrays; import java.util.Iterator; import java.util.List; import javax.mail.internet.AddressException; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeMessage; import com.zimbra.cs.account.Account; import com.zimbra.cs.db.DbMailItem; import com.zimbra.cs.index.MailboxIndex; import com.zimbra.cs.mailbox.calendar.*; import com.zimbra.cs.mailbox.calendar.ZCalendar.ICalTok; import com.zimbra.cs.mailbox.calendar.ZCalendar.ZVCalendar; import com.zimbra.cs.mime.ParsedAddress; import com.zimbra.cs.mime.ParsedMessage; import com.zimbra.cs.mime.TnefConverter; import com.zimbra.cs.redolog.op.IndexItem; import com.zimbra.cs.session.PendingModifications.Change; import com.zimbra.cs.util.AccountUtil; import com.zimbra.common.service.ServiceException; import com.zimbra.common.util.ZimbraLog; import com.zimbra.common.util.Log; import com.zimbra.common.util.LogFactory; /** * @author schemers */ public class Message extends MailItem { static class DraftInfo { String identityId; String replyType; int origId = -1; public DraftInfo() { } public DraftInfo(String ident) { identityId = ident; } public DraftInfo(String rt, int id) { replyType = rt; origId = id; } public DraftInfo(String rt, int id, String ident) { replyType = rt; origId = id; identityId = ident; } public DraftInfo(Metadata meta) throws ServiceException { identityId = meta.get(Metadata.FN_IDENTITY_ID, null); replyType = meta.get(Metadata.FN_REPLY_TYPE, null); origId = (int) meta.getLong(Metadata.FN_REPLY_ORIG, -1); } } public static class CalendarItemInfo { private int mCalendarItemId; private int mComponentNo; public CalendarItemInfo(int calItemId, int componentNo) { mCalendarItemId = calItemId; mComponentNo = componentNo; } public int getCalendarItemId() { return mCalendarItemId; } public int getComponentNo() { return mComponentNo; } private static final String FN_CALITEMID = "a"; private static final String FN_COMPNO = "c"; Metadata encodeMetadata() { Metadata md = new Metadata(); md.put(FN_CALITEMID, mCalendarItemId); md.put(FN_COMPNO, mComponentNo); return md; } static CalendarItemInfo decodeMetadata(Metadata md) throws ServiceException { int calItemId = (int) md.getLong(FN_CALITEMID); int componentNo = (int) md.getLong(FN_COMPNO); return new CalendarItemInfo(calItemId, componentNo); } } /** Class logger for Message class */ static Log sLog = LogFactory.getLog(Message.class); private String mSender; private String mRecipients; private String mFragment; private String mRawSubject; private DraftInfo mDraftInfo; private ArrayList<CalendarItemInfo> mCalendarItemInfos; /** * this one will call back into decodeMetadata() to do our initialization * * @param mbox * @param ud * @throws ServiceException */ Message(Mailbox mbox, UnderlyingData ud) throws ServiceException { super(mbox, ud); if (mData.type != TYPE_MESSAGE && mData.type != TYPE_CHAT) throw new IllegalArgumentException(); if (mData.parentId < 0) mData.parentId = -mId; } /** Returns whether the Message was created as a draft. Note that this * can only be set when the Message is created; it cannot be altered * thereafter. */ public boolean isDraft() { return isTagged(mMailbox.mDraftFlag); } /** Returns the <code>To:</code> header of the message, if the message * was sent by the user. Retuns <code>""</code> otherwise. */ public String getRecipients() { return (mRecipients == null ? "" : mRecipients); } /** Returns the first 100 characters of the message's content. The system * does its best to remove quoted text, etc. before calculating the * fragment. * * @see com.zimbra.cs.index.Fragment */ public String getFragment() { return (mFragment == null ? "" : mFragment); } /** Returns the normalized subject of the message. This is done by * taking the <code>Subject:</code> header and removing prefixes (e.g. * <code>"Re:"</code>) and suffixes (e.g. <code>"(fwd)"</code>) and * the like. * * @see ParsedMessage#normalizeSubject */ public String getNormalizedSubject() { return super.getSubject(); } /** Returns the raw subject of the message. This is taken directly from * the <tt>Subject:</tt> header with no processing. */ @Override public String getSubject() { return (mRawSubject == null ? "" : mRawSubject); } /** Returns the <tt>From:</tt> header of the message if available; * if not, returns the <tt>Sender:</tt> header. */ @Override public String getSender() { return (mSender == null ? "" : mSender); } @Override public String getSortSubject() { String subject = getNormalizedSubject(); return subject.toUpperCase().substring(0, Math.min(DbMailItem.MAX_SUBJECT_LENGTH, subject.length())); } @Override public String getSortSender() { String sender = new ParsedAddress(getSender()).getSortString(); return sender.toUpperCase().substring(0, Math.min(DbMailItem.MAX_SENDER_LENGTH, sender.length())); } /** Returns whether the Message was sent by the owner of this mailbox. * Note that this can only be set when the Message is created; it cannot * be altered thereafter.*/ public boolean isFromMe() { return (mData.flags & Flag.BITMASK_FROM_ME) != 0; } /** Returns the ID of the {@link Conversation} the Message belongs to. * If the ID is negative, it refers to a single-message * {@link VirtualConversation}.*/ public int getConversationId() { return mData.parentId; } /** Returns the ID of the Message that this draft message is in reply to. * * @return The ID of the Message that this draft message is in reply to, * or -1 for Messages that are not drafts or not replies/forwards. * @see #getDraftReplyType */ public int getDraftOrigId() { return (mDraftInfo == null ? -1 : mDraftInfo.origId); } /** Returns the "reply type" for a draft message. * * @return <code>"f"</code> if this draft message is a forward, * <code>"r"</code> if this draft message is a reply, or * <code>""</code> for Messages that are not drafts or not * replies/forwards. * @see #getDraftOrigId * @see com.zimbra.cs.service.mail.SendMsg#TYPE_FORWARD * @see com.zimbra.cs.service.mail.SendMsg#TYPE_REPLY */ public String getDraftReplyType() { return (mDraftInfo == null || mDraftInfo.replyType == null ? "" : mDraftInfo.replyType); } /** Returns the ID of the {@link com.zimbra.cs.account.Identity} that was * used to compose this draft message. * * @return The ID of the Identity used to compose this draft message, or "" * for Messages that are not drafts or did not specify an identity. * @see #getDraftReplyType * @see #getDraftOrigId() */ public String getDraftIdentityId() { return (mDraftInfo == null || mDraftInfo.identityId == null ? "" : mDraftInfo.identityId); } /** Returns whether the Message has a vCal attachment. */ public boolean isInvite() { return mCalendarItemInfos != null; } public Iterator<CalendarItemInfo> getCalendarItemInfoIterator() { return mCalendarItemInfos.iterator(); } public CalendarItemInfo getCalendarItemInfo(int componentId) { if (mCalendarItemInfos != null && (componentId < 0 || componentId < mCalendarItemInfos.size())) return mCalendarItemInfos.get(componentId); else return null; } /** Returns a JavaMail {@link javax.mail.internet.MimeMessage} * encapsulating the message content. If possible, TNEF and uuencoded * attachments are expanded and their components are presented as * standard MIME attachments. If TNEF or uuencode decoding fails, the * MimeMessage wraps the raw message content. * * @return A MimeMessage wrapping the RFC822 content of the Message. * @throws ServiceException when errors occur opening, reading, * uncompressing, or parsing the message file, * or when the file does not exist. * @see MailItem#getContentStream() * @see MailItem#getContent() * @see TnefConverter * @see UUEncodeConverter */ public MimeMessage getMimeMessage() throws ServiceException { return getMimeMessage(true); } /** Returns a JavaMail {@link javax.mail.internet.MimeMessage} * encapsulating the message content. If <tt>runConverters</tt> is * <tt>true</tt>, TNEF and uuencoded attachments are expanded and their * components are presented as standard MIME attachments. If * <tt>runConverters</tt> is <tt>false</tt> or if TNEF or uuencode * decoding fails, the MimeMessage wraps the raw message content. * * @return A MimeMessage wrapping the RFC822 content of the Message. * @throws ServiceException when errors occur opening, reading, * uncompressing, or parsing the message file, * or when the file does not exist. * @see #getContentStream() * @see #getContent() * @see TnefConverter * @see UUEncodeConverter */ public MimeMessage getMimeMessage(boolean runConverters) throws ServiceException { return MessageCache.getMimeMessage(this, runConverters); } @Override boolean isTaggable() { return true; } @Override boolean isCopyable() { return true; } @Override boolean isMovable() { return true; } @Override boolean isMutable() { return isTagged(mMailbox.mDraftFlag); } @Override boolean isIndexed() { return true; } @Override boolean canHaveChildren() { return false; } @Override boolean canParent(MailItem item) { return false; } static class MessageCreateFactory { Message create(Mailbox mbox, UnderlyingData data) throws ServiceException { return new Message(mbox, data); } byte getType() { return TYPE_MESSAGE; } } static Message create(int id, Folder folder, Conversation conv, ParsedMessage pm, int msgSize, String digest, short volumeId, boolean unread, int flags, long tags, DraftInfo dinfo, boolean noICal, ZVCalendar cal) throws ServiceException { return createInternal(id, folder, conv, pm, msgSize, digest, volumeId, unread, flags, tags, dinfo, noICal, cal,new MessageCreateFactory()); } protected static Message createInternal(int id, Folder folder, Conversation conv, ParsedMessage pm, int msgSize, String digest, short volumeId, boolean unread, int flags, long tags, DraftInfo dinfo, boolean noICal, ZVCalendar cal, MessageCreateFactory fact) throws ServiceException { if (folder == null || !folder.canContain(TYPE_MESSAGE)) throw MailServiceException.CANNOT_CONTAIN(); if (!folder.canAccess(ACL.RIGHT_INSERT)) throw ServiceException.PERM_DENIED("you do not have the required rights on the folder"); Mailbox mbox = folder.getMailbox(); List<Invite> components = null; String methodStr = null; if (cal != null) { Account acct = mbox.getAccount(); // XXX: shouldn't we just be checking flags for Flag.FLAG_FROM_ME? // boolean sentByMe = (flags & Flag.FLAG_FROM_ME) != 0; boolean sentByMe = false; try { String pmSender = pm.getSender(); if (pmSender != null && pmSender.length() > 0) { String sender = new InternetAddress(pmSender).getAddress(); sentByMe = AccountUtil.addressMatchesAccount(acct, sender); } } catch (AddressException e) { throw ServiceException.INVALID_REQUEST("unable to parse invite sender: " + pm.getSender(), e); } try { components = Invite.createFromCalendar(acct, pm.getFragment(), cal, sentByMe, mbox, id); methodStr = cal.getPropVal(ICalTok.METHOD, ICalTok.PUBLISH.toString()); } catch (Exception e) { ZimbraLog.calendar.warn("Unable to process iCalendar attachment", e); } } UnderlyingData data = new UnderlyingData(); data.id = id; data.type = fact.getType(); if (conv != null) data.parentId = conv.getId(); data.folderId = folder.getId(); data.indexId = id; data.imapId = id; data.volumeId = volumeId; data.date = (int) (pm.getReceivedDate() / 1000); data.size = msgSize; data.blobDigest = digest; data.flags = flags & (Flag.FLAGS_MESSAGE | Flag.FLAGS_GENERIC); data.tags = tags; data.sender = pm.getParsedSender().getSortString(); data.subject = pm.getNormalizedSubject(); data.metadata = encodeMetadata(DEFAULT_COLOR, pm, flags, dinfo, null); data.unreadCount = unread ? 1 : 0; data.contentChanged(mbox); DbMailItem.create(mbox, data); Message msg = fact.create(mbox, data); // process the components in this invite (must do this last so blob is created, etc) if (components != null) { try { msg.processInvitesAfterCreate(methodStr, folder.getId(), volumeId, !noICal, pm, components); } catch (Exception e) { ZimbraLog.calendar.warn("Unable to process iCalendar attachment", e); } } msg.finishCreation(conv); return msg; } /** This has to be done as a separate step, after the MailItem has been * added, because of foreign key constraints on the CalendarItems table * @param invites */ private void processInvitesAfterCreate(String method, int folderId, short volumeId, boolean createCalItem, ParsedMessage pm, List<Invite> invites) throws ServiceException { // since this is the first time we've seen this Invite Message, we need to process it // and see if it updates an existing CalendarItem in the database table, or whatever... boolean updatedMetadata = false; for (Invite cur : invites) { boolean calItemIsNew = false; boolean modifiedCalItem = false; CalendarItem calItem = mMailbox.getCalendarItemByUid(cur.getUid()); if (createCalItem) { if (calItem == null) { // ONLY create a calendar item if this is a REQUEST method...otherwise don't. if (method.equals(ICalTok.REQUEST.toString())) { calItem = mMailbox.createCalendarItem(Mailbox.ID_FOLDER_CALENDAR, volumeId, 0, 0, cur.getUid(), pm, cur); calItemIsNew = true; } else { sLog.info("Mailbox " + getMailboxId()+" Message "+getId()+" SKIPPING Invite "+method+" b/c no CalendarItem could be found"); continue; // for now, just ignore this Invitation } } else { // When updating an existing calendar item, ignore the // passed-in folderId which will usually be Inbox. Leave // the calendar item in the folder it's currently in. modifiedCalItem = calItem.processNewInvite(pm, cur, false, calItem.getFolderId(), volumeId); } } if (calItem != null) { CalendarItemInfo info = new CalendarItemInfo(calItem.getId(), cur.getComponentNum()); if (mCalendarItemInfos == null) { mCalendarItemInfos = new ArrayList<CalendarItemInfo>(); } mCalendarItemInfos.add(info); updatedMetadata = true; if (calItemIsNew || modifiedCalItem) { mMailbox.queueForIndexing(calItem, !calItemIsNew, null); } } } if (updatedMetadata) saveMetadata(); } /** Updates the in-memory unread counts for the item. Also updates the * item's folder, its tag, and its parent. Note that the parent is not * fetched from the database, so notifications may be off in the case of * uncached {@link Conversation}s when a {@link Message} changes state. * * @param delta The change in unread count for this item. */ @Override protected void updateUnread(int delta) throws ServiceException { if (delta == 0 || !trackUnread()) return; markItemModified(Change.MODIFIED_UNREAD); // update our unread count (should we check that we don't have too many unread?) mData.unreadCount += delta; if (mData.unreadCount < 0) throw ServiceException.FAILURE("inconsistent state: unread < 0 for " + getClass().getName() + " " + mId, null); // update the folder's unread count getFolder().updateUnread(delta); // update the parent's unread count MailItem parent = getCachedParent(); if (parent != null) parent.updateUnread(delta); // tell the tags about the new unread item updateTagUnread(delta); } /** @perms {@link ACL#RIGHT_INSERT} on the target folder, * {@link ACL#RIGHT_READ} on the original item */ @Override MailItem copy(Folder folder, int id, short destVolumeId) throws IOException, ServiceException { Message copy = (Message) super.copy(folder, id, destVolumeId); Conversation parent = (Conversation) getParent(); if (parent instanceof VirtualConversation && !isDraft() && inSpam() == folder.inSpam()) { Conversation conv = mMailbox.createConversation(new Message[] { this, copy }, Mailbox.ID_AUTO_INCREMENT); DbMailItem.changeOpenTarget(Mailbox.getHash(getNormalizedSubject()), this, conv.getId()); parent.removeChild(this); } return copy; } @Override public void reindex(IndexItem redo, boolean deleteFirst, Object indexData) throws ServiceException { MailboxIndex mi = mMailbox.getMailboxIndex(); if (mi == null) return; ParsedMessage pm = (ParsedMessage) indexData; if (pm == null) { // force the pm's received-date to be the correct one pm = new ParsedMessage(getMimeMessage(), getDate(),getMailbox().attachmentsIndexingEnabled()); // because of bug 8263, we sometimes have fragments that are incorrect: // check them here and correct them if necessary if (pm.getFragment().compareTo(getFragment()) != 0) { getMailbox().reanalyze(getId(), getType(), pm); } } mi.indexMessage(mMailbox, redo, deleteFirst, pm, this); } public void reanalyze() throws ServiceException { ParsedMessage pm = new ParsedMessage(getMimeMessage(), getDate(), getMailbox().attachmentsIndexingEnabled()); reanalyze(pm); } @Override void reanalyze(Object data) throws ServiceException { if (!(data instanceof ParsedMessage)) throw ServiceException.FAILURE("cannot reanalyze non-ParsedMessage object", null); ParsedMessage pm = (ParsedMessage) data; int size; try { size = pm.getRawSize(); } catch (Exception e) { throw MailServiceException.MESSAGE_PARSE_ERROR(e); } // make sure the SUBJECT is correct if (!getSubject().equals(pm.getSubject())) markItemModified(Change.MODIFIED_SUBJECT); boolean subjectChanged = !getNormalizedSubject().equals(pm.getNormalizedSubject()); mRawSubject = pm.getSubject(); mData.subject = pm.getNormalizedSubject(); // handle the message's PARENT boolean parentChanged = false; MailItem parent = getParent(); if (subjectChanged && mData.parentId != -mId) { mData.parentId = -mId; parentChanged = true; } // make sure the "attachments" FLAG is correct boolean hadAttachment = (mData.flags & Flag.BITMASK_ATTACHED) != 0; mData.flags &= ~Flag.BITMASK_ATTACHED; if (pm.hasAttachments()) mData.flags |= Flag.BITMASK_ATTACHED; if (hadAttachment != pm.hasAttachments()) { markItemModified(Change.MODIFIED_FLAGS); parent.tagChanged(mMailbox.mAttachFlag, pm.hasAttachments()); } // update the SIZE and METADATA if (mData.size != size) { markItemModified(Change.MODIFIED_SIZE); mMailbox.updateSize(size - mData.size, false); mData.size = size; } String metadata = encodeMetadata(mColor, pm, mData.flags, mDraftInfo, mCalendarItemInfos); // rewrite the DB row to reflect our new view saveData(pm.getParsedSender().getSortString(), metadata); // if the message is part of a real conversation, need to break it out if (parentChanged) parent.removeChild(this); else if (parent instanceof VirtualConversation) ((VirtualConversation) parent).recalculateMetadata(Arrays.asList(new Message[] { this } )); } @Override void detach() throws ServiceException { MailItem parent = getParent(); if (!(parent instanceof Conversation)) return; if (parent.getSize() <= 1) { mMailbox.closeConversation((Conversation) parent, null); } else { // remove this message from its (real) conversation markItemModified(Change.MODIFIED_PARENT); parent.removeChild(this); // and place it in a new, non-"opened", virtual conversation VirtualConversation vconv = new VirtualConversation(mMailbox, this); mData.parentId = vconv.getId(); DbMailItem.setParent(this, vconv); } } @Override void delete(DeleteScope scope, boolean writeTombstones) throws ServiceException { MailItem parent = getParent(); if (parent instanceof Conversation && ((Conversation) parent).getMessageCount() == 1) parent.delete(DeleteScope.ENTIRE_ITEM, writeTombstones); else super.delete(scope, writeTombstones); } @Override void decodeMetadata(Metadata meta) throws ServiceException { super.decodeMetadata(meta); mSender = meta.get(Metadata.FN_SENDER, null); mRecipients = meta.get(Metadata.FN_RECIPIENTS, null); mFragment = meta.get(Metadata.FN_FRAGMENT, null); if (meta.containsKey(Metadata.FN_CALITEM_IDS)) { mCalendarItemInfos = new ArrayList<CalendarItemInfo>(); MetadataList mdList = meta.getList(Metadata.FN_CALITEM_IDS); for (int i = 0; i < mdList.size(); i++) { Metadata md = mdList.getMap(i); mCalendarItemInfos.add(CalendarItemInfo.decodeMetadata(md)); } } Metadata draftMeta = meta.getMap(Metadata.FN_DRAFT, true); if (draftMeta != null) mDraftInfo = new DraftInfo(draftMeta); mRawSubject = mData.subject; String prefix = meta.get(Metadata.FN_PREFIX, null); if (prefix != null) mRawSubject = (mData.subject == null ? prefix : prefix + mData.subject); String rawSubject = meta.get(Metadata.FN_RAW_SUBJ, null); if (rawSubject != null) mRawSubject = rawSubject; } @Override Metadata encodeMetadata(Metadata meta) { return encodeMetadata(meta, mColor, mSender, mRecipients, mFragment, mData.subject, mRawSubject, mDraftInfo, mCalendarItemInfos); } private static String encodeMetadata(byte color, ParsedMessage pm, int flags, DraftInfo dinfo, List<CalendarItemInfo> calItemInfos) { // cache the "To" header only for messages sent by the user String recipients = ((flags & Flag.BITMASK_FROM_ME) == 0 ? null : pm.getRecipients()); return encodeMetadata(new Metadata(), color, pm.getSender(), recipients, pm.getFragment(), pm.getNormalizedSubject(), pm.getSubject(), dinfo, calItemInfos).toString(); } static Metadata encodeMetadata(Metadata meta, byte color, String sender, String recipients, String fragment, String subject, String rawSubject, DraftInfo dinfo, List<CalendarItemInfo> calItemInfos) { // try to figure out a simple way to make the raw subject from the normalized one String prefix = null; if (rawSubject == null || rawSubject.equals(subject)) rawSubject = null; else if (rawSubject.endsWith(subject)) { prefix = rawSubject.substring(0, rawSubject.length() - subject.length()); rawSubject = null; } meta.put(Metadata.FN_SENDER, sender); meta.put(Metadata.FN_RECIPIENTS, recipients); meta.put(Metadata.FN_FRAGMENT, fragment); meta.put(Metadata.FN_PREFIX, prefix); meta.put(Metadata.FN_RAW_SUBJ, rawSubject); if (calItemInfos != null) { MetadataList mdList = new MetadataList(); for (CalendarItemInfo info : calItemInfos) mdList.add(info.encodeMetadata()); meta.put(Metadata.FN_CALITEM_IDS, mdList); } if (dinfo != null) { Metadata dmeta = new Metadata(); dmeta.put(Metadata.FN_REPLY_ORIG, dinfo.origId); dmeta.put(Metadata.FN_REPLY_TYPE, dinfo.replyType); dmeta.put(Metadata.FN_IDENTITY_ID, dinfo.identityId); meta.put(Metadata.FN_DRAFT, dmeta); } return MailItem.encodeMetadata(meta, color); } private static final String CN_SENDER = "sender"; private static final String CN_RECIPIENTS = "to"; private static final String CN_FRAGMENT = "fragment"; @Override public String toString() { StringBuffer sb = new StringBuffer(); sb.append("message: {"); appendCommonMembers(sb); sb.append(CN_SENDER).append(": ").append(mSender).append(", "); if (mRecipients != null) sb.append(CN_RECIPIENTS).append(": ").append(mRecipients).append(", "); sb.append(CN_FRAGMENT).append(": ").append(mFragment); sb.append("}"); return sb.toString(); } }

The table below shows all metrics for Message.java.

MetricValueDescription
BLOCKS86.00Number of blocks
BLOCK_COMMENT27.00Number of block comment lines
COMMENTS152.00Comment lines
COMMENT_DENSITY 0.41Comment density
COMPARISONS67.00Number of comparison operators
CYCLOMATIC124.00Cyclomatic complexity
DECL_COMMENTS22.00Comments in declarations
DOC_COMMENT99.00Number of javadoc comment lines
ELOC374.00Effective lines of code
EXEC_COMMENTS21.00Comments in executable code
EXITS119.00Procedure exits
FUNCTIONS53.00Number of function declarations
HALSTEAD_DIFFICULTY92.58Halstead difficulty
HALSTEAD_EFFORT 0.00Halstead effort
INTERFACE_COMPLEXITY191.00Interface complexity
JAVA0001 0.00JAVA0001 Package name does not contain only lower case letters
JAVA0002 0.00JAVA0002 Package name does not begin with a top level domain name or country code
JAVA0003 0.00JAVA0003 Minimize use of on-demand (.*) imports
JAVA0004 0.00JAVA0004 Unnecessary import from java.lang
JAVA0005 1.00JAVA0005 Imports not in specified order
JAVA0006 0.00JAVA0006 Empty finally block
JAVA0007 0.00JAVA0007 Should not declare public field
JAVA0008 0.00JAVA0008 Empty catch block
JAVA0009 0.00JAVA0009 Protected member in final class
JAVA0010 0.00JAVA0010 Non-instantiable class does not contain a non-private static member
JAVA0011 0.00JAVA0011 Abstract class does not contain an abstract method
JAVA0012 0.00JAVA0012 Non-constructor method with same name as declaring class
JAVA0013 0.00JAVA0013 Non-blank final field is not static
JAVA0014 0.00JAVA0014 Class with only static members has non-private constructor
JAVA0015 0.00JAVA0015 Package class contains public nested type
JAVA0016 0.00JAVA0016 Abstract class contains public constructor
JAVA0017 0.00JAVA0017 Class name does not have required form
JAVA0018 0.00JAVA0018 Method name does not have required form
JAVA0019 0.00JAVA0019 Interface name does not have required form
JAVA0020 0.00JAVA0020 Field name does not have required form
JAVA0021 0.00JAVA0021 Interface method name does not have required form
JAVA0022 0.00JAVA0022 Static final field name does not have required form
JAVA0023 0.00JAVA0023 Empty finalize method
JAVA0024 0.00JAVA0024 Empty class
JAVA0025 0.00JAVA0025 Method override is empty
JAVA0026 0.00JAVA0026 Finalize method with parameters
JAVA0029 0.00JAVA0029 Private method not used
JAVA0030 0.00JAVA0030 Private field not used
JAVA0031 0.00JAVA0031 Case statement not properly closed
JAVA0032 0.00JAVA0032 Switch statement missing default
JAVA0033 0.00JAVA0033 default: not last case in switch statement
JAVA003425.00JAVA0034 Missing braces in if statement
JAVA0035 0.00JAVA0035 Missing braces in for statement
JAVA0036 0.00JAVA0036 Missing braces in while statement
JAVA0038 0.00JAVA0038 Non-case label in switch statement
JAVA0039 0.00JAVA0039 Break statement with label
JAVA0040 0.00JAVA0040 Switch statement contains N cases (maximum: M)
JAVA0041 0.00JAVA0041 Nested synchronized block
JAVA0042 0.00JAVA0042 Empty synchronized statement
JAVA0043 0.00JAVA0043 Inner class does not use outer class
JAVA0044 0.00JAVA0044 Serializable class with no instance variables
JAVA0045 0.00JAVA0045 Serializable class with only transient fields
JAVA0046 0.00JAVA0046 Name of class not derived from Exception ends with 'Exception'
JAVA0047 0.00JAVA0047 Serializable class derives from invalid base class
JAVA0048 0.00JAVA0048 Name of class derived from Exception does not end with 'Exception'
JAVA0049 0.00JAVA0049 Nested block at depth N (maximum: M)
JAVA0050 0.00JAVA0050 Class derives from java.lang.Error
JAVA0051 0.00JAVA0051 Class derives from java.lang.RuntimeException
JAVA0052 0.00JAVA0052 Class derives from java.lang.Throwable
JAVA0053 0.00JAVA0053 Unused label
JAVA0054 0.00JAVA0054 Inheritance depth N exceeds maximum M
JAVA0055 0.00JAVA0055 Class should be interface
JAVA0056 0.00JAVA0056 Unnecessary abstract modifier for interface or annotation
JAVA0057 0.00JAVA0057 Unnecessary default constructor
JAVA0058 0.00JAVA0058 Constructor calls super()
JAVA0059 0.00JAVA0059 Method override only calls super()
JAVA0061 0.00JAVA0061 Inaccessible member in anonymous class
JAVA0062 0.00JAVA0062 Public class missing public member or protected constructor
JAVA0063 0.00JAVA0063 Identifier name should not contain '$'
JAVA0064 0.00JAVA0064 N variations of identifier name (maximum: M)
JAVA0065 0.00JAVA0065 Unnecessary final modifier for method in final class
JAVA0066 0.00JAVA0066 Unnecessary modifier for interface nested type
JAVA0067 0.00JAVA0067 Array descriptor on identifier name
JAVA0068 0.00JAVA0068 Modifiers not declared in recommended order
JAVA0071 0.00JAVA0071 Strings compared with ==
JAVA0073 0.00JAVA0073 Integer division in floating-point context
JAVA0074 0.00JAVA0074 Use of Object.notify()
JAVA0075 0.00JAVA0075 Method parameter hides field
JAVA0076 0.00JAVA0076 Use of magic number
JAVA0077 0.00JAVA0077 Private field not used in declaring class
JAVA0078 0.00JAVA0078 Floating point values compared with ==
JAVA0079 0.00JAVA0079 Use of instance to reference static member
JAVA0080 0.00JAVA0080 Import declaration not used
JAVA0081 0.00JAVA0081 Boolean literal in comparison
JAVA0082 0.00JAVA0082 Unnecessary widening cast
JAVA0083 0.00JAVA0083 Unnecessary instanceof test
JAVA0084 0.00JAVA0084 Should use compound assignment operator
JAVA0085 0.00JAVA0085 Use of sun.* class
JAVA0087 0.00JAVA0087 Use of Thread.sleep()
JAVA0089 0.00JAVA0089 Use of restricted package
JAVA0092 0.00JAVA0092 Use of restricted type
JAVA0093 0.00JAVA0093 Redundant assignment
JAVA0094 0.00JAVA0094 Field hides a superclass field
JAVA0095 0.00JAVA0095 Uninitialized private field
JAVA0096 0.00JAVA0096 Field in nested class hides outer field
JAVA0098 0.00JAVA0098 Minimize use of implicit field initializers
JAVA0100 0.00JAVA0100 Class contains N non-final fields (maximum: M)
JAVA0101 0.00JAVA0101 Unnecessary modifier for field in interface
JAVA0102 0.00JAVA0102 Last statement in finalize() not super.finalize()
JAVA0103 0.00JAVA0103 Explicit call to finalize()
JAVA0104 0.00JAVA0104 finalize() only calls super.finalize()
JAVA0105 0.00JAVA0105 Duplicate import declaration
JAVA0106 0.00JAVA0106 Unnecessary import from current package
JAVA0108 6.00JAVA0108 Incorrect javadoc: no @param tag for 'parameter'
JAVA0109 0.00JAVA0109 Incorrect javadoc: no parameter 'parameter'
JAVA011010.00JAVA0110 Incorrect javadoc: no @return tag
JAVA0111 0.00JAVA0111 Incorrect javadoc: @return tag for void method
JAVA0112 0.00JAVA0112 Incorrect javadoc: no exception 'exception' in throws
JAVA0113 0.00JAVA0113 Incorrect javadoc: no @author tag
JAVA0114 1.00JAVA0114 Incorrect javadoc: no @version tag
JAVA0115 4.00JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception'
JAVA0116 0.00JAVA0116 Missing javadoc: field 'field'
JAVA011712.00JAVA0117 Missing javadoc: method 'method'
JAVA0118 1.00JAVA0118 Missing javadoc: type 'type'
JAVA0119 0.00JAVA0119 Control variable changed within body of for loop
JAVA0123 0.00JAVA0123 Use all three components of for loop
JAVA0125 0.00JAVA0125 Continue statement with label
JAVA0126 0.00JAVA0126 Method declares unchecked exception in throws
JAVA0128 5.00JAVA0128 Public constructor in non-public class
JAVA0130 2.00JAVA0130 Non-static method does not use instance fields
JAVA0131 0.00JAVA0131 Compatible method does not override base
JAVA0132 0.00JAVA0132 Method overload with compatible signature
JAVA0133 0.00JAVA0133 Non-synchronized method overrides synchronized method
JAVA0135 0.00JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method'
JAVA0136 1.00JAVA0136 N methods defined in class (maximum: M)
JAVA0137 0.00JAVA0137 Non-abstract class missing constructor
JAVA0138 4.00JAVA0138 N parameters defined for method (maximum: M)
JAVA0139 0.00JAVA0139 Definition of main other than public static void main(java.lang.String[])
JAVA0141 0.00JAVA0141 Unnecessary modifier for method in interface
JAVA0143 0.00JAVA0143 Synchronized method
JAVA0144 6.00JAVA0144 Line exceeds maximum M characters
JAVA0145 0.00JAVA0145 Tab character used in source file
JAVA0150 0.00JAVA0150 java.lang.Error (or subclass) thrown
JAVA0153 0.00JAVA0153 Inefficient conversion of integer to string
JAVA0159 0.00JAVA0159 Inefficient conversion of string to integer
JAVA0160 0.00JAVA0160 Method does not throw specified exception
JAVA0161 0.00JAVA0161 Conditional wait() not in loop
JAVA0163 0.00JAVA0163 Empty statement
JAVA0165 0.00JAVA0165 Conflicting return statement in finally block
JAVA0166 3.00JAVA0166 Generic exception caught
JAVA0167 0.00JAVA0167 ThreadDeath not rethrown
JAVA0169 0.00JAVA0169 Unnecessary catch block: exception 'exception'
JAVA0170 0.00JAVA0170 Caught exception not derived from java.lang.Exception
JAVA0171 0.00JAVA0171 Unused local variable
JAVA0173 1.00JAVA0173 Unused method parameter
JAVA0174 0.00JAVA0174 Assigned local variable never used
JAVA0175 0.00JAVA0175 Successive assignment to variable
JAVA0176 0.00JAVA0176 Local variable name does not have required form
JAVA0177 1.00JAVA0177 Variable declaration missing initializer
JAVA0179 0.00JAVA0179 Local variable hides visible field
JAVA0233 0.00JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID'
JAVA0234 0.00JAVA0234 Class is Serializable but does not define serialVersionUID
JAVA0235 0.00JAVA0235 Class defines serialVersionUID but does not implement Serializable
JAVA0236 0.00JAVA0236 Attempt to clone an object which does not implement Cloneable
JAVA0237 0.00JAVA0237 Class implements Cloneable but does not have public clone method
JAVA0238 0.00JAVA0238 Clone method does not call super.clone()
JAVA0239 0.00JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable
JAVA0240 0.00JAVA0240 Serializable class which declares readObject or writeObject but not both
JAVA0241 0.00JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class
JAVA0242 0.00JAVA0242 Transient field in non-Serializable class
JAVA0243 0.00JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected
JAVA0244 0.00JAVA0244 Field or method name in subclass differs only by case from inherited field or method
JAVA0245 0.00JAVA0245 JUnit TestCase with non-trivial constructor
JAVA0246 0.00JAVA0246 JUnit assertXXX statement missing message parameter
JAVA0247 0.00JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method
JAVA0248 0.00JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature
JAVA0249 0.00JAVA0249 JUnit TestCase 'suite()' should be declared static
JAVA0250 0.00JAVA0250 JUnit TestCase declares testXXX method with incorrect signature
JAVA0251 0.00JAVA0251 Use '%n' for line breaks in printf/format for platform independence
JAVA0252 0.00JAVA0252 'enum' is a Java 1.5 reserved word
JAVA0253 0.00JAVA0253 Not all enum constants consumed in switch statement
JAVA0254 0.00JAVA0254 Use enhanced for loop construct instead of Iterator
JAVA0255 0.00JAVA0255 Result of method invocation not used
JAVA0256 0.00JAVA0256 Assignment of external collection/array to field
JAVA0257 0.00JAVA0257 Use of 'Constant Interface' anti-pattern
JAVA0258 1.00JAVA0258 Implement Iterable for foreach compatibility
JAVA0259 0.00JAVA0259 Return of collection/array field
JAVA0260 0.00JAVA0260 Use 'enum' instead of Enumerated Type pattern
JAVA0261 0.00JAVA0261 Use specialized Enum collection types
JAVA0262 0.00JAVA0262 Use of char in integer context
JAVA0263 0.00JAVA0263 Long literal ends with 'l' instead of 'L'
JAVA0264 1.00JAVA0264 Integer math in long context - check for overflow
JAVA0265 0.00JAVA0265 Use of Throwable.printStackTrace()
JAVA0266 0.00JAVA0266 Use of System.out
JAVA0267 0.00JAVA0267 Use of System.err
JAVA0269 0.00JAVA0269 Contents of StringBuffer never used
JAVA0270 0.00JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array
JAVA0271 0.00JAVA0271 Minimize use of on-demand (.*) static imports
JAVA0272 0.00JAVA0272 Thread.run() called
JAVA0273 0.00JAVA0273 Non-final derivative of Thread calls start() in constructor
JAVA0274 0.00JAVA0274 Serializable class has a synchronized readObject()
JAVA0275 0.00JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods
JAVA0276 0.00JAVA0276 Unnecessary use of String constructor
JAVA0277 0.00JAVA0277 Iterator.next() implementation does not throw NoSuchElementException
JAVA0278 0.00JAVA0278 Unnecessary use of Boolean constructor
JAVA0279 0.00JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method
JAVA0280 0.00JAVA0280 IllegalMonitorStateException caught
JAVA0281 0.00JAVA0281 Iterator.next() not called in loop
JAVA0282 0.00JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext()
JAVA0283 0.00JAVA0283 Control variable not updated in loop body
JAVA0284 0.00JAVA0284 Explicit garbage collection
JAVA0285 0.00JAVA0285 Dereference of potentially null variable
JAVA0286 0.00JAVA0286 Dereference of null variable
JAVA0287 0.00JAVA0287 Unnecessary null check
JAVA0288 0.00JAVA0288 Inconsistent null check
LINES692.00Number of lines in the source file
LINE_COMMENT26.00Number of line comments
LOC444.00Lines of code
LOGICAL_LINES253.00Number of statements
LOOPS 1.00Number of loops
NEST_DEPTH 5.00Maximum nesting depth
OPERANDS1349.00Number of operands
OPERATORS2365.00Number of operators
PARAMS76.00Number of formal parameter declarations
PROGRAM_LENGTH3714.00Halstead program length
PROGRAM_VOCAB522.00Halstead program vocabulary
PROGRAM_VOLUME 0.00Halstead program volume
RETURNS115.00Number of return points from functions
SIZE28330.00Size of the file in bytes
UNIQUE_OPERANDS459.00Number of unique operands
UNIQUE_OPERATORS63.00Number of unique operators
WHITESPACE96.00Number of whitespace lines