public static String doPost(String urlString, Map<Object, Object> nameValuePairs)
throws IOException {
URL url = new URL(urlString);
URLConnection connection = url.openConnection();
connection.setDoOutput(true);
String encoding = connection.getContentEncoding();
if (encoding == null) encoding = "ISO-8859-1";
try (PrintWriter out = new PrintWriter(connection.getOutputStream())) {
boolean first = true;
for (Map.Entry<Object, Object> pair : nameValuePairs.entrySet()) {
if (first) first = false;
else out.print('&');
String name = pair.getKey().toString();
String value = pair.getValue().toString();
out.print(name);
out.print('=');
out.print(URLEncoder.encode(value, encoding));
}
}
StringBuilder response = new StringBuilder();
try (Scanner in = new Scanner(connection.getInputStream(), encoding)) {
while (in.hasNextLine()) {
response.append(in.nextLine());
response.append("\n");
}
} catch (IOException e) {
if (!(connection instanceof HttpURLConnection)) throw e;
InputStream err = ((HttpURLConnection) connection).getErrorStream();
if (err == null) throw e;
Scanner in = new Scanner(err);
response.append(in.nextLine());
response.append("\n");
}
return response.toString();
}
public PalindromeTest() {
ArrayList<String> words = new ArrayList<String>();
ArrayList<String> palis;
try {
for (String line : Files.readAllLines(Paths.get("com/jsanders/web2"))) {
words.add(line);
}
} catch (IOException ex) {
System.out.println("IO error");
System.exit(1);
}
palis = Palindrome.palindromes(words);
assertEquals(palis.size(), 161, 0.01);
int shortest = Word.shortestLength(words);
assertEquals(shortest, 1, 0.01);
int longest = Word.longestLength(words);
assertEquals(longest, 24, 0.01);
ArrayList<String> shortestWords = Word.shortestWords(words);
assertEquals(shortestWords.size(), 52, 0.01);
ArrayList<String> longestWords = Word.longestWords(words);
assertEquals(longestWords.size(), 5, 0.01);
int totalWords = Word.totalWords(words);
double avgLen = Word.averageLength(words);
assertEquals(totalWords, 235886, 0.01);
assertEquals(avgLen, 9.56, 0.01);
ArrayList<Double> letterFreq = Word.letterFrequency(words);
assertEquals(letterFreq.get(0), 0.087, 0.01);
double properFreq = Word.properFrequency(words);
assertEquals(properFreq, 0.106, 0.01);
ArrayList<Integer> startFreq = Word.startFrequency(words);
assertEquals(startFreq.get(0), 17096, 0.01);
ArrayList<String> sameStartEnd = Word.startEndWords(words);
assertEquals(sameStartEnd.size(), 11505, 0.01);
try {
PrintWriter f = new PrintWriter("short.txt");
for (String w : shortestWords) f.println(w);
f.close();
f = new PrintWriter("long.txt");
for (String w : longestWords) f.println(w);
f.close();
f = new PrintWriter("same.txt");
for (String w : sameStartEnd) f.println(w);
f.close();
f = new PrintWriter("statistics.txt");
f.println("avg word len: " + avgLen);
f.println("freq of letters: " + letterFreq);
f.println("freq of proper nouns/names: " + properFreq);
f.println("words that start with each letter:: " + startFreq);
f.close();
} catch (IOException ex) {
System.out.println("IO error");
System.exit(1);
}
}
