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/* */*from ww w . jav a 2 s .c o m*/ * ((e)) emite: A pure gwt (Google Web Toolkit) xmpp (jabber) library * * (c) 2008-2009 The emite development team (see CREDITS for details) * This file is part of emite. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * */ package com.calclab.emite.core.client.packet; import java.util.ArrayList; import java.util.List; public abstract class AbstractPacket implements IPacket { public List<? extends IPacket> getChildren(final PacketMatcher filter) { final List<IPacket> list = new ArrayList<IPacket>(); for (final IPacket child : getChildren()) { if (filter.matches(child)) { list.add(child); } } return list; } public List<? extends IPacket> getChildren(final String name) { return getChildren(MatcherFactory.byName(name)); } public IPacket getFirstChild(final PacketMatcher filter) { for (final IPacket child : getChildren()) { if (filter.matches(child)) { return child; } } return NoPacket.INSTANCE; } public IPacket getFirstChild(final String name) { return getFirstChild(MatcherFactory.byName(name)); } public boolean hasAttribute(final String name) { return getAttribute(name) != null; } public boolean hasAttribute(final String name, final String value) { return value.equals(getAttribute(name)); } public boolean hasChild(final String name) { return getFirstChild(name) != NoPacket.INSTANCE; } public IPacket With(final String name, final long value) { return With(name, String.valueOf(value)); } public IPacket With(final String name, final String value) { setAttribute(name, value); return this; } public IPacket WithText(final String text) { setText(text); return this; } }