Index: lucene/analysis/kuromoji/src/java/org/apache/lucene/analysis/ja/JapaneseNumberFilter.java =================================================================== --- lucene/analysis/kuromoji/src/java/org/apache/lucene/analysis/ja/JapaneseNumberFilter.java (revision 0) +++ lucene/analysis/kuromoji/src/java/org/apache/lucene/analysis/ja/JapaneseNumberFilter.java (working copy) @@ -0,0 +1,565 @@ +package org.apache.lucene.analysis.ja; + +/** + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +import java.io.IOException; +import java.math.BigDecimal; + +import org.apache.lucene.analysis.TokenFilter; +import org.apache.lucene.analysis.TokenStream; +import org.apache.lucene.analysis.tokenattributes.CharTermAttribute; +import org.apache.lucene.analysis.tokenattributes.KeywordAttribute; +import org.apache.lucene.analysis.tokenattributes.OffsetAttribute; +import org.apache.lucene.analysis.tokenattributes.PositionIncrementAttribute; +import org.apache.lucene.analysis.tokenattributes.PositionLengthAttribute; + +/** + * Normalizes Japanese numbers + */ +public class JapaneseNumberFilter extends TokenFilter { + + private final CharTermAttribute termAttr = addAttribute(CharTermAttribute.class); + private final OffsetAttribute offsetAttr = addAttribute(OffsetAttribute.class); + private final KeywordAttribute keywordAttr = addAttribute(KeywordAttribute.class); + private final PositionIncrementAttribute posIncrAttr = addAttribute(PositionIncrementAttribute.class); + private final PositionLengthAttribute posLengthAttr = addAttribute(PositionLengthAttribute.class); + + private static char NO_NUMERAL = Character.MAX_VALUE; + + private static char[] numerals; + + private static char[] exponents; + + private State state; + + private StringBuilder numeral; + + private int fallThroughTokens; + + static { + numerals = new char[0x10000]; + for (int i = 0; i < numerals.length; i++) { + numerals[i] = NO_NUMERAL; + } + numerals['〇'] = 0; // 〇 U+3007 0 + numerals['一'] = 1; // 一 U+4E00 1 + numerals['二'] = 2; // 二 U+4E8C 2 + numerals['三'] = 3; // 三 U+4E09 3 + numerals['四'] = 4; // 四 U+56DB 4 + numerals['五'] = 5; // 五 U+4E94 5 + numerals['六'] = 6; // 六 U+516D 6 + numerals['七'] = 7; // 七 U+4E03 7 + numerals['八'] = 8; // 八 U+516B 8 + numerals['九'] = 9; // 九 U+4E5D 9 + + exponents = new char[0x10000]; + for (int i = 0; i < exponents.length; i++) { + exponents[i] = 0; + } + exponents['十'] = 1; // 十 U+5341 10 + exponents['百'] = 2; // 百 U+767E 100 + exponents['千'] = 3; // 千 U+5343 1,000 + exponents['万'] = 4; // 万 U+4E07 10,000 + exponents['億'] = 8; // 億 U+5104 100,000,000 + exponents['兆'] = 12; // 兆 U+5146 1,000,000,000,000 + exponents['京'] = 16; // 京 U+4EAC 10,000,000,000,000,000 + exponents['垓'] = 20; // 垓 U+5793 100,000,000,000,000,000,000 + } + + public JapaneseNumberFilter(TokenStream input) { + super(input); + } + + @Override + public final boolean incrementToken() throws IOException { + + // Emit previously captured token we read past earlier + if (state != null) { + restoreState(state); + state = null; + return true; + } + + if (!input.incrementToken()) { + return false; + } + + if (keywordAttr.isKeyword()) { + return true; + } + + if (fallThroughTokens > 0) { + fallThroughTokens--; + return true; + } + + if (posIncrAttr.getPositionIncrement() == 0) { + fallThroughTokens = posLengthAttr.getPositionLength() - 1; + return true; + } + + boolean moreTokens = true; + boolean composedNumberToken = false; + int startOffset = 0; + int endOffset = 0; + State preCompositionState = captureState(); + String term = termAttr.toString(); + boolean numeralTerm = isNumeral(term); + + while (moreTokens && numeralTerm) { + + if (!composedNumberToken) { + startOffset = offsetAttr.startOffset(); + composedNumberToken = true; + } + + endOffset = offsetAttr.endOffset(); + moreTokens = input.incrementToken(); + + if (posIncrAttr.getPositionIncrement() == 0) { + // This token is a stacked/synonym token, capture number of tokens "under" this token, + // except the first token we will emit below after restoring state + fallThroughTokens = posLengthAttr.getPositionLength() - 1; + state = captureState(); + restoreState(preCompositionState); + return moreTokens; + } + + numeral.append(term); + + if (moreTokens) { + term = termAttr.toString(); + numeralTerm = isNumeral(term) || isNumeralPunctuation(term); + } + } + + if (composedNumberToken) { + if (moreTokens) { + // We have read past all numerals and there are still tokens left, so + // capture the state of this token and emit it on our next incrementToken() + state = captureState(); + } + + String normalizedNumber = normalizeNumber(numeral.toString()); + + termAttr.setEmpty(); + termAttr.append(normalizedNumber); + offsetAttr.setOffset(startOffset, endOffset); + + numeral = new StringBuilder(); + return true; + } + return moreTokens; + } + + @Override + public void reset() throws IOException { + super.reset(); + fallThroughTokens = 0; + numeral = new StringBuilder(); + state = null; + } + + /** + * Normalizes a Japanese number + * + * @param number number or normalize + * @return normalized number, or number to normalize on error (no op) + */ + public String normalizeNumber(String number) { + try { + BigDecimal normalizedNumber = parseNumber(new NumberBuffer(number)); + if (normalizedNumber == null) { + return number; + } + return normalizedNumber.toBigIntegerExact().toString(); + + } catch (NumberFormatException | ArithmeticException e) { + // Return the source number in case of error, i.e. malformed input + return number; + } + } + + /** + * Parses a Japanese number + * + * @param buffer buffer to parse + * @return parsed number, or null on error or end of input + */ + private BigDecimal parseNumber(NumberBuffer buffer) { + BigDecimal sum = BigDecimal.ZERO; + BigDecimal result = parseLargePair(buffer); + + if (result == null) { + return null; + } + + while (result != null) { + sum = sum.add(result); + result = parseLargePair(buffer); + } + + return sum; + } + + /** + * Parses a pair of large numbers, i.e. large kanji factor is 10,000(万)or larger + * + * @param buffer buffer to parse + * @return parsed pair, or null on error or end of input + */ + private BigDecimal parseLargePair(NumberBuffer buffer) { + BigDecimal first = parseMediumNumber(buffer); + BigDecimal second = parseLargeKanjiNumeral(buffer); + + if (first == null && second == null) { + return null; + } + + if (second == null) { + // If there's no second factor, we return the first one + // This can happen if we our number is smaller than 10,000 (万) + return first; + } + + if (first == null) { + // If there's no first factor, just return the second one, + // which is the same as multiplying by 1, i.e. with 万 + return second; + } + + return first.multiply(second); + } + + /** + * Parses a "medium sized" number, typically less than 10,000(万), but might be larger + * due to a larger factor from {link parseBasicNumber}. + * + * @param buffer buffer to parse + * @return parsed number, or null on error or end of input + */ + private BigDecimal parseMediumNumber(NumberBuffer buffer) { + BigDecimal sum = BigDecimal.ZERO; + BigDecimal result = parseMediumPair(buffer); + + if (result == null) { + return null; + } + + while (result != null) { + sum = sum.add(result); + result = parseMediumPair(buffer); + } + + return sum; + } + + /** + * Parses a pair of "medium sized" numbers, i.e. large kanji factor is at most 1,000(千) + * + * @param buffer buffer to parse + * @return parsed pair, or null on error or end of input + */ + private BigDecimal parseMediumPair(NumberBuffer buffer) { + + BigDecimal first = parseBasicNumber(buffer); + BigDecimal second = parseMediumKanjiNumeral(buffer); + + if (first == null && second == null) { + return null; + } + + if (second == null) { + // If there's no second factor, we return the first one + // This can happen if we just have a plain number such as 五 + return first; + } + + if (first == null) { + // If there's no first factor, just return the second one, + // which is the same as multiplying by 1, i.e. with 千 + return second; + } + + // Return factors multiplied + return first.multiply(second); + } + + /** + * Parse a basic number, which is a sequence of Arabic numbers or a sequence or 0-9 kanji numerals (〇 to 九). + * + * @param buffer buffer to parse + * @return parsed number, or null on error or end of input + */ + private BigDecimal parseBasicNumber(NumberBuffer buffer) { + StringBuilder builder = new StringBuilder(); + int i = buffer.position(); + + while (i < buffer.length()) { + char c = buffer.charAt(i); + + if (isArabicNumeral(c)) { + // Arabic numerals; 0 to 9 or 0 to 9 (full-width) + builder.append(arabicNumeralValue(c)); + } else if (isKanjiNumeral(c)) { + // Kanji numerals; 〇, 一, 二, 三, 四, 五, 六, 七, 八, or 九 + builder.append(kanjiNumeralValue(c)); + } else if (isDecimalPoint(c)) { + builder.append("."); + } else if (isThousandSeparator(c)) { + // Just skip and move to the next character + } else { + // We don't have an Arabic nor kanji numeral, nor separation or punctuation, so we'll stop. + break; + } + + i++; + buffer.advance(); + } + + if (builder.length() == 0) { + // We didn't build anything, so we don't have a number + return null; + } + + return new BigDecimal(builder.toString()); + } + + /** + * Parse large kanji numerals (ten thousands or larger) + * + * @param buffer buffer to parse + * @return parsed number, or null on error or end of input + */ + public BigDecimal parseLargeKanjiNumeral(NumberBuffer buffer) { + int i = buffer.position(); + + if (i >= buffer.length()) { + return null; + } + + char c = buffer.charAt(i); + int power = exponents[c]; + + if (power > 3) { + buffer.advance(); + return BigDecimal.TEN.pow(power); + } + + return null; + } + + /** + * Parse medium kanji numerals (tens, hundreds or thousands) + * + * @param buffer buffer to parse + * @return parsed number or null on error + */ + public BigDecimal parseMediumKanjiNumeral(NumberBuffer buffer) { + int i = buffer.position(); + + if (i >= buffer.length()) { + return null; + } + + char c = buffer.charAt(i); + int power = exponents[c]; + + if (1 <= power && power <= 3) { + buffer.advance(); + return BigDecimal.TEN.pow(power); + } + + return null; + } + + /** + * Numeral predicate + * + * @param input string to test + * @return true if and only if input is a numeral + */ + public boolean isNumeral(String input) { + for (int i = 0; i < input.length(); i++) { + if (!isNumeral(input.charAt(i))) { + return false; + } + } + return true; + } + + /** + * Numeral predicate + * + * @param c character to test + * @return true if and only if c is a numeral + */ + public boolean isNumeral(char c) { + return isArabicNumeral(c) || isKanjiNumeral(c) || exponents[c] > 0; + } + + /** + * Numeral punctuation predicate + * + * @param input string to test + * @return true if and only if c is a numeral punctuation string + */ + public boolean isNumeralPunctuation(String input) { + for (int i = 0; i < input.length(); i++) { + if (!isNumeralPunctuation(input.charAt(i))) { + return false; + } + } + return true; + } + + /** + * Numeral punctuation predicate + * + * @param c character to test + * @return true if and only if c is a numeral punctuation character + */ + public boolean isNumeralPunctuation(char c) { + return isDecimalPoint(c) || isThousandSeparator(c); + } + + /** + * Arabic numeral predicate. Both half-width and full-width characters are supported + * + * @param c character to test + * @return true if and only if c is an Arabic numeral + */ + public boolean isArabicNumeral(char c) { + return isHalfWidthArabicNumeral(c) || isFullWidthArabicNumeral(c); + } + + /** + * Arabic half-width numeral predicate + * + * @param c character to test + * @return true if and only if c is a half-width Arabic numeral + */ + private boolean isHalfWidthArabicNumeral(char c) { + // 0 U+0030 - 9 U+0039 + return '0' <= c && c <= '9'; + } + + /** + * Arabic full-width numeral predicate + * + * @param c character to test + * @return true if and only if c is a full-width Arabic numeral + */ + private boolean isFullWidthArabicNumeral(char c) { + // 0 U+FF10 - 9 U+FF19 + return '0' <= c && c <= '9'; + } + + /** + * Returns the numeric value for the specified character Arabic numeral. + * Behavior is undefined if a non-Arabic numeral is provided + * + * @param c arabic numeral character + * @return numeral value + */ + private int arabicNumeralValue(char c) { + int offset; + if (isHalfWidthArabicNumeral(c)) { + offset = '0'; + } else { + offset = '0'; + } + return c - offset; + } + + /** + * Kanji numeral predicate that tests if the provided character is one of 〇, 一, 二, 三, 四, 五, 六, 七, 八, or 九. + * Larger number kanji gives a false value. + * + * @param c character to test + * @return true if and only is character is one of 〇, 一, 二, 三, 四, 五, 六, 七, 八, or 九 (0 to 9) + */ + private boolean isKanjiNumeral(char c) { + return numerals[c] != NO_NUMERAL; + } + + /** + * Returns the value for the provided kanji numeral. Only numeric values for the characters where + * {link isKanjiNumeral} return true are supported - behavior is undefined for other characters. + * + * @param c kanji numeral character + * @return numeral value + * @see #isKanjiNumeral(char) + */ + private int kanjiNumeralValue(char c) { + return numerals[c]; + } + + /** + * Decimal point predicate + * + * @param c character to test + * @return true if and only if c is a decimal point + */ + private boolean isDecimalPoint(char c) { + return c == '.' // U+002E FULL STOP + || c == '.'; // U+FF0E FULLWIDTH FULL STOP + } + + /** + * Thousand separator predicate + * + * @param c character to test + * @return true if and only if c is a thousand separator predicate + */ + private boolean isThousandSeparator(char c) { + return c == ',' // U+002C COMMA + || c == ','; // U+FF0C FULLWIDTH COMMA + } + + /** + * Buffer that holds a Japanese number string and a position index used as a parsed-to marker + */ + public static class NumberBuffer { + + private int position; + + private String string; + + public NumberBuffer(String string) { + this.string = string; + this.position = 0; + } + + public char charAt(int index) { + return string.charAt(index); + } + + public int length() { + return string.length(); + } + + public void advance() { + position++; + } + + public int position() { + return position; + } + } +} \ No newline at end of file Index: lucene/analysis/kuromoji/src/test/org/apache/lucene/analysis/ja/TestJapaneseNumberFilter.java =================================================================== --- lucene/analysis/kuromoji/src/test/org/apache/lucene/analysis/ja/TestJapaneseNumberFilter.java (revision 0) +++ lucene/analysis/kuromoji/src/test/org/apache/lucene/analysis/ja/TestJapaneseNumberFilter.java (working copy) @@ -0,0 +1,248 @@ +package org.apache.lucene.analysis.ja; + +/** + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +import java.io.BufferedReader; +import java.io.BufferedWriter; +import java.io.FileReader; +import java.io.FileWriter; +import java.io.IOException; +import java.io.Reader; +import java.io.Writer; + +import org.apache.lucene.analysis.Analyzer; +import org.apache.lucene.analysis.BaseTokenStreamTestCase; +import org.apache.lucene.analysis.TokenStream; +import org.apache.lucene.analysis.Tokenizer; +import org.apache.lucene.analysis.tokenattributes.CharTermAttribute; +import org.junit.Ignore; +import org.junit.Test; + +public class TestJapaneseNumberFilter extends BaseTokenStreamTestCase { + + private Analyzer analyzer = new Analyzer() { + @Override + protected TokenStreamComponents createComponents(String fieldName) { + Tokenizer tokenizer = new JapaneseTokenizer(newAttributeFactory(), null, false, JapaneseTokenizer.Mode.SEARCH); + return new TokenStreamComponents(tokenizer, new JapaneseNumberFilter(tokenizer)); + } + }; + + @Test + public void testBasics() throws IOException { + + assertAnalyzesTo(analyzer, "本日十万二千五百円のワインを買った", + new String[]{"本日", "102500", "円", "の", "ワイン", "を", "買っ", "た"}, + new int[]{0, 2, 8, 9, 10, 13, 14, 16}, + new int[]{2, 8, 9, 10, 13, 14, 16, 17} + ); + + assertAnalyzesTo(analyzer, "昨日のお寿司は10万円でした。", + new String[]{"昨日", "の", "お", "寿司", "は", "100000", "円", "でし", "た", "。"}, + new int[]{0, 2, 3, 4, 6, 7, 10, 11, 13, 14}, + new int[]{2, 3, 4, 6, 7, 10, 11, 13, 14, 15} + ); + + assertAnalyzesTo(analyzer, "アティリカの資本金は600万円です", + new String[]{"アティリカ", "の", "資本", "金", "は", "6000000", "円", "です"}, + new int[]{0, 5, 6, 8, 9, 10, 14, 15}, + new int[]{5, 6, 8, 9, 10, 14, 15, 17} + ); + } + + @Test + public void testVariants() throws IOException { + // Test variants of three + assertAnalyzesTo(analyzer, "3", new String[]{"3"}); + assertAnalyzesTo(analyzer, "3", new String[]{"3"}); + assertAnalyzesTo(analyzer, "三", new String[]{"3"}); + + // Test three variations with trailing zero + assertAnalyzesTo(analyzer, "03", new String[]{"3"}); + assertAnalyzesTo(analyzer, "03", new String[]{"3"}); + assertAnalyzesTo(analyzer, "〇三", new String[]{"3"}); + assertAnalyzesTo(analyzer, "003", new String[]{"3"}); + assertAnalyzesTo(analyzer, "003", new String[]{"3"}); + assertAnalyzesTo(analyzer, "〇〇三", new String[]{"3"}); + + // Test thousand variants + assertAnalyzesTo(analyzer, "千", new String[]{"1000"}); + assertAnalyzesTo(analyzer, "1千", new String[]{"1000"}); + assertAnalyzesTo(analyzer, "1千", new String[]{"1000"}); + assertAnalyzesTo(analyzer, "一千", new String[]{"1000"}); + assertAnalyzesTo(analyzer, "一〇〇〇", new String[]{"1000"}); + assertAnalyzesTo(analyzer, "10百", new String[]{"1000"}); // Strange, but supported + } + + @Test + public void testLargeVariants() throws IOException { + // Test large numbers + assertAnalyzesTo(analyzer, "三五七八九", new String[]{"35789"}); + assertAnalyzesTo(analyzer, "六百二万五千一", new String[]{"6025001"}); + assertAnalyzesTo(analyzer, "兆六百万五千一", new String[]{"1000006005001"}); + assertAnalyzesTo(analyzer, "十兆六百万五千一", new String[]{"10000006005001"}); + assertAnalyzesTo(analyzer, "一京一", new String[]{"10000000000000001"}); + assertAnalyzesTo(analyzer, "十京十", new String[]{"100000000000000010"}); + assertAnalyzesTo(analyzer, "垓京兆億万千百十一", new String[]{"100010001000100011111"}); + } + + @Test + public void testMixed() throws IOException { + // Test mixed numbers + assertAnalyzesTo(analyzer, "三千2百2十三", new String[]{"3223"}); + assertAnalyzesTo(analyzer, "32二三", new String[]{"3223"}); + } + + @Test + public void testNininsankyaku() throws IOException { + // Unstacked tokens + assertAnalyzesTo(analyzer, "二", new String[]{"2"}); + assertAnalyzesTo(analyzer, "二人", new String[]{"2", "人"}); + assertAnalyzesTo(analyzer, "二人三", new String[]{"2", "人", "3"}); + // Stacked tokens - emit tokens as they are + assertAnalyzesTo(analyzer, "二人三脚", new String[]{"二", "二人三脚", "人", "三", "脚"}); + } + + @Test + public void testFujiyaichinisanu() throws IOException { + // Stacked tokens with a numeral partial + assertAnalyzesTo(analyzer, "不二家一二三", new String[]{"不", "不二家", "二", "家", "123"}); + } + + @Test + public void testFunny() throws IOException { + // Test some oddities for inconsistent input + assertAnalyzesTo(analyzer, "十十", new String[]{"20"}); // 100? + assertAnalyzesTo(analyzer, "百百百", new String[]{"300"}); // 10,000? + assertAnalyzesTo(analyzer, "千千千千", new String[]{"4000"}); // 1,000,000,000,000? + } + + @Test + public void testKanjiArabic() throws IOException { + // Test kanji numerals used as Arabic numbers (with head zero) + assertAnalyzesTo(analyzer, "〇一二三四五六七八九九八七六五四三二一〇", + new String[]{"1234567899876543210"} + ); + + // I'm Bond, James "normalized" Bond... + assertAnalyzesTo(analyzer, "〇〇七", new String[]{"7"}); + } + + @Test + public void testDoubleZero() throws IOException { + assertAnalyzesTo(analyzer, "〇〇", + new String[]{"0"}, + new int[]{0}, + new int[]{2}, + new int[]{1} + ); + } + + @Test + public void testNames() throws IOException { + // Test name that normalises to number + assertAnalyzesTo(analyzer, "田中京一", + new String[]{"田中", "10000000000000001"}, // 京一 is normalized to a number a number + new int[]{0, 2}, + new int[]{2, 4}, + new int[]{1, 1} + ); + } + + @Test + public void testDecimalPunctuation() throws IOException { + // Test Arabic numbers with punctuation, i.e. 3.2 thousands + assertAnalyzesTo(analyzer, "3.2千円", + new String[]{"3200", "円"} + ); + } + + @Test + public void testThousandSeparator() throws IOException { + assertAnalyzesTo(analyzer, "4,647", + new String[]{"4647"} + ); + } + + @Test + public void testEmpty() throws IOException { + assertAnalyzesTo(analyzer, "", new String[]{}); + } + + @Test + public void testRandomHugeStrings() throws Exception { + checkRandomData(random(), analyzer, 100 * RANDOM_MULTIPLIER, 8192); + } + + @Test + public void testRandomSmallStrings() throws Exception { + checkRandomData(random(), analyzer, 1000 * RANDOM_MULTIPLIER, 128); + } + + @Test + public void testFunnyIssue() throws Exception { + BaseTokenStreamTestCase.checkAnalysisConsistency( + random(), analyzer, true, "〇〇\u302f\u3029\u3039\u3023\u3033\u302bB", true + ); + } + + @Ignore("Used for detailed testing") + @Test + public void testLargeData() throws IOException { + String inputFilename = "sample1.txt"; + String tokenizedOutput = "sample1.tok.txt"; + String normalizedOutput = "sample1.tok.norm.txt"; + + Analyzer plainAnalyzer = new Analyzer() { + @Override + protected TokenStreamComponents createComponents(String fieldName) { + Tokenizer tokenizer = new JapaneseTokenizer(newAttributeFactory(), null, false, JapaneseTokenizer.Mode.SEARCH); + return new TokenStreamComponents(tokenizer); + } + }; + + analyze( + plainAnalyzer, + new BufferedReader(new FileReader(inputFilename)), + new BufferedWriter(new FileWriter(tokenizedOutput)) + ); + + analyze( + analyzer, + new BufferedReader(new FileReader(inputFilename)), + new BufferedWriter(new FileWriter(normalizedOutput)) + ); + } + + public void analyze(Analyzer analyzer, Reader reader, Writer writer) throws IOException { + TokenStream stream = analyzer.tokenStream("dummy", reader); + + stream.reset(); + + CharTermAttribute termAttr = stream.addAttribute(CharTermAttribute.class); + + while (stream.incrementToken()) { + writer.write(termAttr.toString()); + writer.write("\n"); + } + + reader.close(); + writer.close(); + } + +}