Java tutorial
/* * SK's Minecraft Launcher * Copyright (C) 2010-2014 Albert Pham <http://www.sk89q.com> and contributors * Please see LICENSE.txt for license information. */ package com.skcraft.launcher.model.minecraft; import com.fasterxml.jackson.core.JsonParser; import com.fasterxml.jackson.databind.DeserializationContext; import com.fasterxml.jackson.databind.JsonDeserializer; import com.skcraft.launcher.util.Platform; import java.io.IOException; public class PlatformDeserializer extends JsonDeserializer<Platform> { @Override public Platform deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException { String text = jsonParser.getText(); if (text.equalsIgnoreCase("windows")) { return Platform.WINDOWS; } else if (text.equalsIgnoreCase("linux")) { return Platform.LINUX; } else if (text.equalsIgnoreCase("solaris")) { return Platform.SOLARIS; } else if (text.equalsIgnoreCase("osx")) { return Platform.MAC_OS_X; } else { throw new IOException("Unknown platform: " + text); } } }