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git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@2407 b35dd754-fafc-0310-a699-88a17e54d16e
173 lines
5.4 KiB
Java
173 lines
5.4 KiB
Java
/**
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* $RCSfile$
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/**
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* $RCSfile$
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* $Revision$
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* $Date$
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*
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* Copyright 2003-2004 Jive Software.
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*
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* All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.muc;
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import java.util.Date;
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import org.jivesoftware.smackx.packet.MUCInitialPresence;
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/**
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* The DiscussionHistory class controls the number of characters or messages to receive
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* when entering a room. The room will decide the amount of history to return if you don't
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* specify a DiscussionHistory while joining a room.<p>
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*
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* You can use some or all of these variable to control the amount of history to receive:
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* <ul>
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* <li>maxchars -> total number of characters to receive in the history.
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* <li>maxstanzas -> total number of messages to receive in the history.
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* <li>seconds -> only the messages received in the last "X" seconds will be included in the
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* history.
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* <li>since -> only the messages received since the datetime specified will be included in
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* the history.
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* </ul>
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*
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* Note: Setting maxchars to 0 indicates that the user requests to receive no history.
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*
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* @author Gaston Dombiak
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*/
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public class DiscussionHistory {
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private int maxChars = -1;
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private int maxStanzas = -1;
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private int seconds = -1;
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private Date since;
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/**
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* Returns the total number of characters to receive in the history.
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*
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* @return total number of characters to receive in the history.
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*/
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public int getMaxChars() {
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return maxChars;
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}
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/**
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* Returns the total number of messages to receive in the history.
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*
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* @return the total number of messages to receive in the history.
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*/
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public int getMaxStanzas() {
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return maxStanzas;
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}
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/**
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* Returns the number of seconds to use to filter the messages received during that time.
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* In other words, only the messages received in the last "X" seconds will be included in
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* the history.
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*
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* @return the number of seconds to use to filter the messages received during that time.
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*/
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public int getSeconds() {
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return seconds;
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}
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/**
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* Returns the since date to use to filter the messages received during that time.
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* In other words, only the messages received since the datetime specified will be
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* included in the history.
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*
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* @return the since date to use to filter the messages received during that time.
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*/
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public Date getSince() {
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return since;
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}
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/**
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* Sets the total number of characters to receive in the history.
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*
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* @param maxChars the total number of characters to receive in the history.
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*/
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public void setMaxChars(int maxChars) {
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this.maxChars = maxChars;
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}
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/**
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* Sets the total number of messages to receive in the history.
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*
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* @param maxStanzas the total number of messages to receive in the history.
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*/
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public void setMaxStanzas(int maxStanzas) {
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this.maxStanzas = maxStanzas;
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}
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/**
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* Sets the number of seconds to use to filter the messages received during that time.
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* In other words, only the messages received in the last "X" seconds will be included in
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* the history.
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*
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* @param seconds the number of seconds to use to filter the messages received during
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* that time.
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*/
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public void setSeconds(int seconds) {
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this.seconds = seconds;
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}
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/**
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* Sets the since date to use to filter the messages received during that time.
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* In other words, only the messages received since the datetime specified will be
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* included in the history.
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*
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* @param since the since date to use to filter the messages received during that time.
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*/
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public void setSince(Date since) {
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this.since = since;
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}
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/**
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* Returns true if the history has been configured with some values.
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*
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* @return true if the history has been configured with some values.
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*/
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private boolean isConfigured() {
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return maxChars > -1 || maxStanzas > -1 || seconds > -1 || since != null;
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}
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/**
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* Returns the History that manages the amount of discussion history provided on entering a
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* room.
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*
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* @return the History that manages the amount of discussion history provided on entering a
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* room.
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*/
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MUCInitialPresence.History getMUCHistory() {
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// Return null if the history was not properly configured
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if (!isConfigured()) {
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return null;
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}
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MUCInitialPresence.History mucHistory = new MUCInitialPresence.History();
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if (maxChars > -1) {
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mucHistory.setMaxChars(maxChars);
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}
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if (maxStanzas > -1) {
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mucHistory.setMaxStanzas(maxStanzas);
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}
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if (seconds > -1) {
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mucHistory.setSeconds(seconds);
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}
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if (since != null) {
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mucHistory.setSince(since);
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}
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return mucHistory;
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}
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}
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