Java tutorial
/* * Copyright (C) 2016 Netflix, Inc. * * This file is part of IMF Conversion Utility. * * IMF Conversion Utility is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * IMF Conversion Utility 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with IMF Conversion Utility. If not, see <http://www.gnu.org/licenses/>. */ package com.netflix.imfutility.itunes.destcontext.wrap; import com.netflix.imfutility.generated.conversion.DestContextParamType; import com.netflix.imfutility.util.ConversionHelper; import com.netflix.imfutility.xsd.conversion.DestContextTypeMap; import org.apache.commons.math3.fraction.BigFraction; /** * Wrapper for simplifying work {@link DestContextTypeMap}. */ public class DestContextMapWrapper { private final DestContextTypeMap map; public DestContextMapWrapper(DestContextTypeMap map) { this.map = map; } public DestContextTypeMap getMap() { return map; } public String getValue(String paramName) { DestContextParamType param = map.getMap().get(paramName); return param != null ? param.getValue() : null; } public Integer getValueAsInteger(String paramName) { String value = getValue(paramName); return value != null ? Integer.parseInt(value) : null; } public Long getValueAsLong(String paramName) { String value = getValue(paramName); return value != null ? Long.parseLong(value) : null; } public BigFraction getValueAsFrameRate(String paramName) { String value = getValue(paramName); return value != null ? ConversionHelper.parseEditRate(value) : null; } public Boolean getValueAsBoolean(String paramName) { String value = getValue(paramName); return value != null && Boolean.parseBoolean(value); } public <T extends Comparable<T>> int compare(T value, T comp, boolean nullsFirst) { if (value == null) { return nullsFirst ? 1 : -1; } return value.compareTo(comp); } public int compareToInteger(String paramName, Integer comp, boolean nullsFirst) { return compare(getValueAsInteger(paramName), comp, nullsFirst); } public int compareToLong(String paramName, Long comp, boolean nullsFirst) { return compare(getValueAsLong(paramName), comp, nullsFirst); } public int compareToFrameRate(String paramName, BigFraction comp, boolean nullsFirst) { return compare(getValueAsFrameRate(paramName), comp, nullsFirst); } }