/******************************************************************************* * Copyright (c) 2013 Jens Kristian Villadsen. * All rights reserved. This program and the accompanying materials * are made available under the terms of the GNU Public License v3.0 * which accompanies this distribution, and is available at * http://www.gnu.org/licenses/gpl.html * * Contributors: * Jens Kristian Villadsen - Lead developer, owner and creator ******************************************************************************/ /* * Digital Audio Access Protocol (DAAP) Library * Copyright (C) 2004-2010 Roger Kapsi * * Licensed 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.dyndns.jkiddo.dmp.chunks; import org.dyndns.jkiddo.dmp.IDmapProtocolDefinition.DmapTypeDefinition; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * An unsigned int */ public abstract class UIntChunk extends AbstractChunk implements IntChunk { private static final Logger LOGGER = LoggerFactory.getLogger(UIntChunk.class); public static final long MIN_VALUE = 0l; public static final long MAX_VALUE = 0xFFFFFFFFl; protected int value; public UIntChunk(final String type, final String name, final long value) { super(type, name); setValue(value); } public UIntChunk(final int type, final String name, final int hasChilds) { super(type, name); setValue(value); } @Override public void setValue(final int value) { this.value = value; } public void setValue(final long value) { setValue((int) checkUIntRange(value)); } @Override public int getValue() { return value; } public long getUnsignedValue() { return getValue() & MAX_VALUE; } /** * Checks if #MIN_VALUE <= value <= #MAX_VALUE and if not an IllegalArgumentException is thrown. */ public static long checkUIntRange(final long value) throws IllegalArgumentException { if(value < MIN_VALUE || value > MAX_VALUE) { LOGGER.error("Value is outside of unsigned int range: " + value); } return value; } /** * Returns {@see #U_INT_TYPE} */ @Override public DmapTypeDefinition getType() { return DmapTypeDefinition.U_INT_TYPE; } @Override public String toString(final int indent) { return indent(indent) + name + "(" + getContentCodeString() + "; uint)=" + getUnsignedValue(); } @Override public void setObjectValue(final Object object) { setValue((Integer) object); } }