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package org.me.modelmapper;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.gson.JsonElement;

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-------------------------------------------------------
 T E S T S
-------------------------------------------------------
Running org.me.modelmapper.JsonModelMapperTest
Configuring TestNG with: org.apache.maven.surefire.testng.conf.TestNG652Configurator@5704ce99
Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.921 sec <<< FAILURE!
shouldMapFromJsonNode(org.me.modelmapper.JsonModelMapperTest)  Time elapsed: 0.336 sec  <<< FAILURE!
org.modelmapper.MappingException: ModelMapper mapping errors:

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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>org.me.modelmappertest</groupId>
    <artifactId>modelMapperTest</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>jar</packaging>
    <dependencies>
        <dependency>
            <groupId>org.modelmapper</groupId>

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package org.me.modelmapper;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.util.ArrayList;
import org.modelmapper.ModelMapper;
import org.modelmapper.config.Configuration;
import org.modelmapper.jackson.JsonNodeValueReader;
import org.testng.Assert;

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1) Error mapping com.google.gson.JsonObject to org.me.modelmappertest.Foo

1 error
	at org.modelmapper.internal.Errors.throwMappingExceptionIfErrorsExist(Errors.java:374)
	at org.modelmapper.internal.MappingEngineImpl.map(MappingEngineImpl.java:69)
	at org.modelmapper.ModelMapper.mapInternal(ModelMapper.java:497)
	at org.modelmapper.ModelMapper.map(ModelMapper.java:340)
	at org.me.modelmappertest.TestGsonMapper.main(TestGsonMapper.java:31)
Caused by: java.lang.NullPointerException

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module Golf where

import Data.List
import Data.Text (justifyRight, pack, unpack)
import Data.Ord (comparing)

-- ex 1
skips :: [a] -> [[a]]
skips xs = map (flip every xs) [1..length xs]

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frequencies :: [Integer] -> [(Integer, Int)]
frequencies xs = map (\x -> (head x, length x)) . group . sort $ xs

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module Golf where

import Data.List

every n xs = case drop (n-1) xs of
               (y:ys) -> y:every n ys
               [] -> []

skips :: [a] -> [[a]]
skips xs = map (\n -> every n xs) [1..length xs]

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whatWentWrong :: [LogMessage] -> [String]
whatWentWrong msgs = map (\m -> case m of 
                                  (LogMessage _ _ s) -> s
                                  _ -> "")
                       $ dropWhile (\m -> case m of
                                       (LogMessage (Error severity) _ _) -> severity >= 50
                                       _ -> False) .
                         filter (\m -> case m of
                                       (LogMessage (Error _) _ _) -> True
                                       _ -> False) 

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{-# OPTIONS_GHC -Wall #-}

module LogAnalysis where
import Log

-- ex 1
parseMessage :: String -> LogMessage
parseMessage line = 
    case words line of
      ("E":severity:timestamp:content) -> LogMessage (Error $ read severity) (read timestamp) (unwords content)