== Parser.java == {{{~cpp package anagram; import java.io.BufferedOutputStream; import java.io.BufferedReader; import java.io.ByteArrayInputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintStream; import java.util.ArrayList; import java.util.Enumeration; import java.util.Hashtable; import java.util.Iterator; import java.util.List; public class Parser { /** * @param file */ public Parser(File file) throws FileNotFoundException { this(new FileInputStream(file)); } Hashtable result; InputStream ins; /** * @param in */ public Parser(InputStream in) { this.ins = in; } /** * @param input */ public Parser(String input) { ByteArrayInputStream byteInputStream = new ByteArrayInputStream( input.getBytes() ); this.ins = byteInputStream; } /** * 입력을 파싱해서 결과를 분석하는 함수 * */ public void parse() throws IOException { result = new Hashtable(); List lines = getItemLines(); String item; String itemKey; for(int i=0 ; i 0; } /** * @return */ public int getCount() { return result.size(); } /** * @param input * @return */ public static String sortString(String input) { char tmpChar; StringBuffer buffer = new StringBuffer(input); for(int i=0; i buffer.charAt(j)) { tmpChar = buffer.charAt(i); buffer.setCharAt(i, buffer.charAt(j)); buffer.setCharAt(j, tmpChar); } } } return buffer.toString(); } /** * @param sortedItem * @return */ public int getContainsCount(String itemKey) { List list = (List)result.get(itemKey); if (list == null) return 0; else return list.size(); } public void printResult(PrintStream out) { Enumeration enum = result.elements(); List list; Iterator iterator; for(;enum.hasMoreElements();) { list = (List)enum.nextElement(); iterator = list.iterator(); for(;iterator.hasNext();) { out.print((String)iterator.next()); out.print(" "); } out.println(); } } public static void main(String[] args) throws IOException { long start = System.currentTimeMillis(); String filename = "inputFile3.txt"; InputStream in = new FileInputStream(filename); Parser parser = new Parser(System.in); parser.parse(); PrintStream out = new PrintStream(new BufferedOutputStream( new FileOutputStream( args[0] ))); parser.printResult(out); long end = System.currentTimeMillis(); System.out.println("time : "+(end-start)+"millis"); } } }}} == AnagramTest.java == {{{~cpp package test; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStream; import junit.framework.TestCase; import anagram.Parser; /** * @author lgk9 */ public class AnagramTest extends TestCase { String input; String input2; String input3; String input4; private Parser parser; private Parser parser2; public void setUp() { input = "abc"; input2 = "cde"; input3 = "abc\nbcde"; input4 = "abc\naabb\nacb\ncdd\ncba\nbaab\nbac\ndcd\nxds\n"; } public void testOneLine1() throws IOException { parser = new Parser(input); parser.parse(); assertEquals(1, parser.getCount()); } public void testOneLine2() throws IOException { parser = new Parser(input2); parser.parse(); assertEquals(1, parser.getCount()); } public void testTwoLine() throws IOException { parser = new Parser(input3); parser.parse(); assertEquals(2, parser.getCount()); } public void testGetItemCount() throws IOException { parser = new Parser(input); parser2 = new Parser(input3); assertEquals(1, parser.getItemCount()); assertEquals(2, parser2.getItemCount()); } public void testEquals() { String input = "bca"; String input2 = "ccabc"; String input3 = "xds"; assertEquals("abc", Parser.sortString(input)); assertEquals("abccc", Parser.sortString(input2)); assertEquals("dsx", Parser.sortString(input3)); } public void testContains() throws IOException { parser = new Parser(input); parser.parse(); String sortedItem = Parser.sortString(input); assertEquals(1, parser.getContainsCount(sortedItem)); } public void testContains2() throws IOException { parser = new Parser(input4); parser.parse(); assertEquals(4, parser.getContainsCount(Parser.sortString("abc"))); assertEquals(2, parser.getContainsCount(Parser.sortString("aabb"))); assertEquals(2, parser.getContainsCount(Parser.sortString("cdd"))); assertEquals(1, parser.getContainsCount(Parser.sortString("xds"))); } public void testReadFie() throws IOException { String filename = "inputFile1.txt"; parser = new Parser(new File(filename)); assertEquals(2284 , parser.getItemCount()); } public void testParse() throws IOException { String filename = "inputFile3.txt"; parser = new Parser(new File(filename)); parser.parse(); } } }}}