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98 lines
2.8 KiB
Java
98 lines
2.8 KiB
Java
/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is the Grendel mail/news client.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1997
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* Netscape Communications Corporation. All Rights Reserved.
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*
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* Created: Jamie Zawinski <jwz@netscape.com>, 10 Sep 1997.
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*/
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package grendel.storage;
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import calypso.util.ByteBuf;
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/** This class represents a single line from a newsrc file:
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a group name, whether it is subscribed, and a set of message numbers.
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*/
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class NewsRCLine extends NewsSet {
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private NewsRC rc;
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private String group_name;
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private boolean subscribed;
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/** Creates a NewsRCLine with no messages marked as read. */
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NewsRCLine(NewsRC parent, String group, boolean subbed) {
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super();
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rc = parent;
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subscribed = subbed;
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}
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/** Creates a NewsRCLine with the indicated messages marked as read.
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*/
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NewsRCLine(NewsRC parent, String group, boolean subbed, ByteBuf numbers) {
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this(parent, group, subbed, numbers.toBytes(), 0, numbers.length());
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}
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/** As above, but takes a byte array and a subsequence into it, instead
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of a ByteBuf object. */
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NewsRCLine(NewsRC parent, String name, boolean subbed,
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byte[] line, int start, int end) {
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super(line, start, end);
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rc = parent;
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group_name = name;
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subscribed = subbed;
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}
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/** Returns the name of this newsgroup.
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*/
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String name() {
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return group_name;
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}
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/** Returns whether this newsgroup is subscribed.
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*/
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boolean subscribed() {
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return subscribed;
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}
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/** Change whether this newsgroup is subscribed.
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*/
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void setSubscribed(boolean subscribed) {
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if (this.subscribed != subscribed) {
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this.subscribed = subscribed;
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markDirty();
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}
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}
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/** Converts the object back into a printed representation for the file.
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This will be something like "alt.group: 1-29627,32861-32863".
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*/
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public void write(ByteBuf out) {
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if (group_name == null)
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return;
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out.append(group_name);
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out.append(subscribed ? ":" : "!");
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if (!isEmpty()) out.append(" ");
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super.write(out);
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}
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/** Called when a change is made to the set.
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This just invokes the markDirty() method on the parent NewsRC object.
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*/
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public void markDirty() {
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rc.markDirty();
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}
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}
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