diff --git a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/BinaryDictOffdeviceUtils.java b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/BinaryDictOffdeviceUtils.java index 2cbc04154..3ef03f4bd 100644 --- a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/BinaryDictOffdeviceUtils.java +++ b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/BinaryDictOffdeviceUtils.java @@ -26,11 +26,13 @@ import org.xml.sax.SAXException; import java.io.BufferedInputStream; import java.io.BufferedOutputStream; +import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; +import java.io.InputStreamReader; import java.io.OutputStream; import java.util.ArrayList; @@ -51,14 +53,17 @@ public final class BinaryDictOffdeviceUtils { public final static String ENCRYPTION = "encrypted"; private final static int MAX_DECODE_DEPTH = 8; + private final static int COPY_BUFFER_SIZE = 8192; public static class DecoderChainSpec { ArrayList mDecoderSpec = new ArrayList<>(); File mFile; + public DecoderChainSpec addStep(final String stepDescription) { mDecoderSpec.add(stepDescription); return this; } + public String describeChain() { final StringBuilder s = new StringBuilder("raw"); for (final String step : mDecoderSpec) { @@ -70,13 +75,10 @@ public final class BinaryDictOffdeviceUtils { } public static void copy(final InputStream input, final OutputStream output) throws IOException { - final byte[] buffer = new byte[1000]; - final BufferedInputStream in = new BufferedInputStream(input); - final BufferedOutputStream out = new BufferedOutputStream(output); - for (int readBytes = in.read(buffer); readBytes >= 0; readBytes = in.read(buffer)) + final byte[] buffer = new byte[COPY_BUFFER_SIZE]; + for (int readBytes = input.read(buffer); readBytes >= 0; readBytes = input.read(buffer)) { output.write(buffer, 0, readBytes); - in.close(); - out.close(); + } } /** @@ -131,11 +133,15 @@ public final class BinaryDictOffdeviceUtils { try { final File dst = File.createTempFile(PREFIX, SUFFIX); dst.deleteOnExit(); - final FileOutputStream dstStream = new FileOutputStream(dst); - copy(Compress.getUncompressedStream(new BufferedInputStream(new FileInputStream(src))), - new BufferedOutputStream(dstStream)); // #copy() closes the streams - return dst; - } catch (IOException e) { + try ( + final InputStream input = Compress.getUncompressedStream( + new BufferedInputStream(new FileInputStream(src))); + final OutputStream output = new BufferedOutputStream(new FileOutputStream(dst)) + ) { + copy(input, output); + return dst; + } + } catch (final IOException e) { // Could not uncompress the file: presumably the file is simply not a compressed file return null; } @@ -150,20 +156,20 @@ public final class BinaryDictOffdeviceUtils { try { final File dst = File.createTempFile(PREFIX, SUFFIX); dst.deleteOnExit(); - final FileOutputStream dstStream = new FileOutputStream(dst); - copy(Crypt.getDecryptedStream(new BufferedInputStream(new FileInputStream(src))), - dstStream); // #copy() closes the streams - return dst; - } catch (IOException e) { + try ( + final InputStream input = Crypt.getDecryptedStream( + new BufferedInputStream(new FileInputStream(src))); + final OutputStream output = new BufferedOutputStream(new FileOutputStream(dst)) + ) { + copy(input, output); + return dst; + } + } catch (final IOException e) { // Could not decrypt the file: presumably the file is simply not a crypted file return null; } } - static void crash(final String filename, final Exception e) { - throw new RuntimeException("Can't read file " + filename, e); - } - static FusionDictionary getDictionary(final String filename, final boolean report) { final File file = new File(filename); if (report) { @@ -172,45 +178,40 @@ public final class BinaryDictOffdeviceUtils { } try { if (XmlDictInputOutput.isXmlUnigramDictionary(filename)) { - if (report) System.out.println("Format : XML unigram list"); + if (report) { + System.out.println("Format : XML unigram list"); + } return XmlDictInputOutput.readDictionaryXml( new BufferedInputStream(new FileInputStream(file)), null /* shortcuts */, null /* bigrams */); - } else { - final DecoderChainSpec decodedSpec = getRawDictionaryOrNull(file); - if (null == decodedSpec) { - crash(filename, new RuntimeException( - filename + " does not seem to be a dictionary file")); - } else if (CombinedInputOutput.isCombinedDictionary( - decodedSpec.mFile.getAbsolutePath())){ - if (report) { - System.out.println("Format : Combined format"); - System.out.println("Packaging : " + decodedSpec.describeChain()); - System.out.println("Uncompressed size : " + decodedSpec.mFile.length()); - } - return CombinedInputOutput.readDictionaryCombined( - new BufferedInputStream(new FileInputStream(decodedSpec.mFile))); - } else { - final DictDecoder dictDecoder = BinaryDictIOUtils.getDictDecoder( - decodedSpec.mFile, 0, decodedSpec.mFile.length(), - DictDecoder.USE_BYTEARRAY); - if (report) { - System.out.println("Format : Binary dictionary format"); - System.out.println("Packaging : " + decodedSpec.describeChain()); - System.out.println("Uncompressed size : " + decodedSpec.mFile.length()); - } - return dictDecoder.readDictionaryBinary(false /* deleteDictIfBroken */); + } + final DecoderChainSpec decodedSpec = getRawDictionaryOrNull(file); + if (null == decodedSpec) { + throw new RuntimeException("Does not seem to be a dictionary file " + filename); + } + if (CombinedInputOutput.isCombinedDictionary(decodedSpec.mFile.getAbsolutePath())) { + if (report) { + System.out.println("Format : Combined format"); + System.out.println("Packaging : " + decodedSpec.describeChain()); + System.out.println("Uncompressed size : " + decodedSpec.mFile.length()); + } + try (final BufferedReader reader = new BufferedReader( + new InputStreamReader(new FileInputStream(decodedSpec.mFile), "UTF-8"))) { + return CombinedInputOutput.readDictionaryCombined(reader); } } - } catch (IOException e) { - crash(filename, e); - } catch (SAXException e) { - crash(filename, e); - } catch (ParserConfigurationException e) { - crash(filename, e); - } catch (UnsupportedFormatException e) { - crash(filename, e); + final DictDecoder dictDecoder = BinaryDictIOUtils.getDictDecoder( + decodedSpec.mFile, 0, decodedSpec.mFile.length(), + DictDecoder.USE_BYTEARRAY); + if (report) { + System.out.println("Format : Binary dictionary format"); + System.out.println("Packaging : " + decodedSpec.describeChain()); + System.out.println("Uncompressed size : " + decodedSpec.mFile.length()); + } + return dictDecoder.readDictionaryBinary(false /* deleteDictIfBroken */); + } catch (final IOException | SAXException | ParserConfigurationException | + UnsupportedFormatException e) { + throw new RuntimeException("Can't read file " + filename, e); } - return null; } } diff --git a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/CombinedInputOutput.java b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/CombinedInputOutput.java index 6a0e1b7f0..23cbee81c 100644 --- a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/CombinedInputOutput.java +++ b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/CombinedInputOutput.java @@ -26,13 +26,9 @@ import com.android.inputmethod.latin.makedict.WordProperty; import com.android.inputmethod.latin.utils.CombinedFormatUtils; import java.io.BufferedReader; -import java.io.File; -import java.io.FileNotFoundException; +import java.io.BufferedWriter; import java.io.FileReader; import java.io.IOException; -import java.io.InputStream; -import java.io.InputStreamReader; -import java.io.Writer; import java.util.ArrayList; import java.util.HashMap; import java.util.TreeSet; @@ -57,27 +53,15 @@ public class CombinedInputOutput { * @return true if the file is in the combined format, false otherwise */ public static boolean isCombinedDictionary(final String filename) { - BufferedReader reader = null; - try { - reader = new BufferedReader(new FileReader(new File(filename))); + try (final BufferedReader reader = new BufferedReader(new FileReader(filename))) { String firstLine = reader.readLine(); while (firstLine.startsWith(COMMENT_LINE_STARTER)) { firstLine = reader.readLine(); } return firstLine.matches( "^" + CombinedFormatUtils.DICTIONARY_TAG + "=[^:]+(:[^=]+=[^:]+)*"); - } catch (FileNotFoundException e) { + } catch (final IOException e) { return false; - } catch (IOException e) { - return false; - } finally { - if (reader != null) { - try { - reader.close(); - } catch (IOException e) { - // do nothing - } - } } } @@ -87,12 +71,11 @@ public class CombinedInputOutput { * This is the public method that will read a combined file and return the corresponding memory * representation. * - * @param source the file to read the data from. + * @param reader the buffered reader to read the data from. * @return the in-memory representation of the dictionary. */ - public static FusionDictionary readDictionaryCombined(final InputStream source) + public static FusionDictionary readDictionaryCombined(final BufferedReader reader) throws IOException { - final BufferedReader reader = new BufferedReader(new InputStreamReader(source, "UTF-8")); String headerLine = reader.readLine(); while (headerLine.startsWith(COMMENT_LINE_STARTER)) { headerLine = reader.readLine(); @@ -218,11 +201,11 @@ public class CombinedInputOutput { /** * Writes a dictionary to a combined file. * - * @param destination a destination stream to write to. + * @param destination a destination writer. * @param dict the dictionary to write. */ - public static void writeDictionaryCombined( - final Writer destination, final FusionDictionary dict) throws IOException { + public static void writeDictionaryCombined(final BufferedWriter destination, + final FusionDictionary dict) throws IOException { final TreeSet wordPropertiesInDict = new TreeSet<>(); for (final WordProperty wordProperty : dict) { // This for ordering by frequency, then by asciibetic order @@ -232,6 +215,5 @@ public class CombinedInputOutput { for (final WordProperty wordProperty : wordPropertiesInDict) { destination.write(CombinedFormatUtils.formatWordProperty(wordProperty)); } - destination.close(); } } diff --git a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Compress.java b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Compress.java index b7f48b522..728a159a0 100644 --- a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Compress.java +++ b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Compress.java @@ -16,11 +16,6 @@ package com.android.inputmethod.latin.dicttool; -import java.io.BufferedInputStream; -import java.io.BufferedOutputStream; -import java.io.File; -import java.io.FileInputStream; -import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; @@ -32,8 +27,7 @@ public class Compress { // This container class is not publicly instantiable. } - public static OutputStream getCompressedStream(final OutputStream out) - throws java.io.IOException { + public static OutputStream getCompressedStream(final OutputStream out) throws IOException { return new GZIPOutputStream(out); } @@ -43,7 +37,6 @@ public class Compress { static public class Compressor extends Dicttool.Command { public static final String COMMAND = "compress"; - public static final String STDIN_OR_STDOUT = "-"; public Compressor() { } @@ -61,17 +54,18 @@ public class Compress { } final String inFilename = mArgs.length >= 1 ? mArgs[0] : STDIN_OR_STDOUT; final String outFilename = mArgs.length >= 2 ? mArgs[1] : STDIN_OR_STDOUT; - final InputStream input = inFilename.equals(STDIN_OR_STDOUT) ? System.in - : new BufferedInputStream(new FileInputStream(new File(inFilename))); - final OutputStream output = outFilename.equals(STDIN_OR_STDOUT) ? System.out - : new BufferedOutputStream(new FileOutputStream(new File(outFilename))); - BinaryDictOffdeviceUtils.copy(input, new GZIPOutputStream(output)); + try ( + final InputStream input = getFileInputStreamOrStdIn(inFilename); + final OutputStream compressedOutput = getCompressedStream( + getFileOutputStreamOrStdOut(outFilename)) + ) { + BinaryDictOffdeviceUtils.copy(input, compressedOutput); + } } } static public class Uncompressor extends Dicttool.Command { public static final String COMMAND = "uncompress"; - public static final String STDIN_OR_STDOUT = "-"; public Uncompressor() { } @@ -89,11 +83,13 @@ public class Compress { } final String inFilename = mArgs.length >= 1 ? mArgs[0] : STDIN_OR_STDOUT; final String outFilename = mArgs.length >= 2 ? mArgs[1] : STDIN_OR_STDOUT; - final InputStream input = inFilename.equals(STDIN_OR_STDOUT) ? System.in - : new BufferedInputStream(new FileInputStream(new File(inFilename))); - final OutputStream output = outFilename.equals(STDIN_OR_STDOUT) ? System.out - : new BufferedOutputStream(new FileOutputStream(new File(outFilename))); - BinaryDictOffdeviceUtils.copy(new GZIPInputStream(input), output); + try ( + final InputStream uncompressedInput = getUncompressedStream( + getFileInputStreamOrStdIn(inFilename)); + final OutputStream output = getFileOutputStreamOrStdOut(outFilename) + ) { + BinaryDictOffdeviceUtils.copy(uncompressedInput, output); + } } } } diff --git a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/DictionaryMaker.java b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/DictionaryMaker.java index 37c8d4184..3d0557b5c 100644 --- a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/DictionaryMaker.java +++ b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/DictionaryMaker.java @@ -27,19 +27,23 @@ import com.android.inputmethod.latin.makedict.UnsupportedFormatException; import com.android.inputmethod.latin.makedict.Ver2DictEncoder; import com.android.inputmethod.latin.makedict.Ver4DictEncoder; +import org.xml.sax.SAXException; + +import java.io.BufferedInputStream; +import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileWriter; import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; import java.util.Arrays; import java.util.LinkedList; import javax.xml.parsers.ParserConfigurationException; -import org.xml.sax.SAXException; - /** * Main class/method for DictionaryMaker. */ @@ -279,22 +283,21 @@ public class DictionaryMaker { */ private static FusionDictionary readCombinedFile(final String combinedFilename) throws FileNotFoundException, IOException { - FileInputStream inStream = null; - try { - final File file = new File(combinedFilename); - inStream = new FileInputStream(file); - return CombinedInputOutput.readDictionaryCombined(inStream); - } finally { - if (null != inStream) { - try { - inStream.close(); - } catch (IOException e) { - // do nothing - } - } + try (final BufferedReader reader = new BufferedReader(new InputStreamReader( + new FileInputStream(combinedFilename), "UTF-8")) + ) { + return CombinedInputOutput.readDictionaryCombined(reader); } } + private static BufferedInputStream getBufferedFileInputStream(final String filename) + throws FileNotFoundException { + if (filename == null) { + return null; + } + return new BufferedInputStream(new FileInputStream(filename)); + } + /** * Read a dictionary from a unigram XML file, and optionally a bigram XML file. * @@ -310,12 +313,13 @@ public class DictionaryMaker { private static FusionDictionary readXmlFile(final String unigramXmlFilename, final String shortcutXmlFilename, final String bigramXmlFilename) throws FileNotFoundException, SAXException, IOException, ParserConfigurationException { - final FileInputStream unigrams = new FileInputStream(new File(unigramXmlFilename)); - final FileInputStream shortcuts = null == shortcutXmlFilename ? null : - new FileInputStream(new File(shortcutXmlFilename)); - final FileInputStream bigrams = null == bigramXmlFilename ? null : - new FileInputStream(new File(bigramXmlFilename)); - return XmlDictInputOutput.readDictionaryXml(unigrams, shortcuts, bigrams); + try ( + final BufferedInputStream unigrams = getBufferedFileInputStream(unigramXmlFilename); + final BufferedInputStream shortcuts = getBufferedFileInputStream(shortcutXmlFilename); + final BufferedInputStream bigrams = getBufferedFileInputStream(bigramXmlFilename); + ) { + return XmlDictInputOutput.readDictionaryXml(unigrams, shortcuts, bigrams); + } } /** @@ -374,8 +378,9 @@ public class DictionaryMaker { */ private static void writeXmlDictionary(final String outputFilename, final FusionDictionary dict) throws FileNotFoundException, IOException { - XmlDictInputOutput.writeDictionaryXml(new BufferedWriter(new FileWriter(outputFilename)), - dict); + try (final BufferedWriter writer = new BufferedWriter(new FileWriter(outputFilename))) { + XmlDictInputOutput.writeDictionaryXml(writer, dict); + } } /** @@ -388,7 +393,8 @@ public class DictionaryMaker { */ private static void writeCombinedDictionary(final String outputFilename, final FusionDictionary dict) throws FileNotFoundException, IOException { - CombinedInputOutput.writeDictionaryCombined( - new BufferedWriter(new FileWriter(outputFilename)), dict); + try (final BufferedWriter writer = new BufferedWriter(new FileWriter(outputFilename))) { + CombinedInputOutput.writeDictionaryCombined(writer, dict); + } } } diff --git a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Dicttool.java b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Dicttool.java index 8ae035f64..e49b35084 100644 --- a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Dicttool.java +++ b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Dicttool.java @@ -16,23 +16,63 @@ package com.android.inputmethod.latin.dicttool; +import java.io.BufferedInputStream; +import java.io.BufferedOutputStream; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileNotFoundException; +import java.io.FileOutputStream; +import java.io.InputStream; +import java.io.OutputStream; import java.util.Arrays; import java.util.HashMap; public class Dicttool { public static abstract class Command { + public static final String STDIN_OR_STDOUT = "-"; protected String[] mArgs; + public void setArgs(String[] args) throws IllegalArgumentException { mArgs = args; } + + protected static InputStream getFileInputStreamOrStdIn(final String inFilename) + throws FileNotFoundException { + if (STDIN_OR_STDOUT.equals(inFilename)) { + return System.in; + } + return getFileInputStream(new File(inFilename)); + } + + protected static InputStream getFileInputStream(final File inFile) + throws FileNotFoundException { + return new BufferedInputStream(new FileInputStream(inFile)); + } + + protected static OutputStream getFileOutputStreamOrStdOut(final String outFilename) + throws FileNotFoundException { + if (STDIN_OR_STDOUT.equals(outFilename)) { + return System.out; + } + return getFileOutputStream(new File(outFilename)); + } + + protected static OutputStream getFileOutputStream(final File outFile) + throws FileNotFoundException { + return new BufferedOutputStream(new FileOutputStream(outFile)); + } + abstract public String getHelp(); abstract public void run() throws Exception; } + static HashMap> sCommands = new HashMap<>(); + static { CommandList.populate(); } + public static void addCommand(final String commandName, final Class cls) { sCommands.put(commandName, cls); } @@ -60,7 +100,7 @@ public class Dicttool { return sCommands.containsKey(commandName); } - private Command getCommand(final String[] arguments) { + private static Command getCommand(final String[] arguments) { final String commandName = arguments[0]; if (!isCommand(commandName)) { throw new RuntimeException("Unknown command : " + commandName); @@ -76,7 +116,7 @@ public class Dicttool { * @param arguments the arguments passed to dicttool. * @return 0 for success, an error code otherwise (always 1 at the moment) */ - private int execute(final String[] arguments) { + private static int execute(final String[] arguments) { final Command command = getCommand(arguments); try { command.run(); @@ -95,6 +135,6 @@ public class Dicttool { return; } // Exit with the success/error code from #execute() as status. - System.exit(new Dicttool().execute(arguments)); + System.exit(execute(arguments)); } } diff --git a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Package.java b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Package.java index dff3387be..1f6798269 100644 --- a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Package.java +++ b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/Package.java @@ -21,8 +21,9 @@ import java.io.BufferedOutputStream; 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.OutputStream; public class Package { private Package() { @@ -86,9 +87,13 @@ public class Package { } System.out.println("Packaging : " + decodedSpec.describeChain()); System.out.println("Uncompressed size : " + decodedSpec.mFile.length()); - final FileOutputStream dstStream = new FileOutputStream(new File(mArgs[1])); - BinaryDictOffdeviceUtils.copy(new BufferedInputStream( - new FileInputStream(decodedSpec.mFile)), new BufferedOutputStream(dstStream)); + try ( + final InputStream input = getFileInputStream(decodedSpec.mFile); + final OutputStream output = new BufferedOutputStream( + getFileOutputStreamOrStdOut(mArgs[1])) + ) { + BinaryDictOffdeviceUtils.copy(input, output); + } } } } diff --git a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/XmlDictInputOutput.java b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/XmlDictInputOutput.java index 7435fa7d6..bdec44761 100644 --- a/tools/dicttool/src/com/android/inputmethod/latin/dicttool/XmlDictInputOutput.java +++ b/tools/dicttool/src/com/android/inputmethod/latin/dicttool/XmlDictInputOutput.java @@ -23,13 +23,16 @@ import com.android.inputmethod.latin.makedict.ProbabilityInfo; import com.android.inputmethod.latin.makedict.WeightedString; import com.android.inputmethod.latin.makedict.WordProperty; +import org.xml.sax.Attributes; +import org.xml.sax.SAXException; +import org.xml.sax.helpers.DefaultHandler; + +import java.io.BufferedInputStream; import java.io.BufferedReader; -import java.io.File; -import java.io.FileNotFoundException; -import java.io.FileReader; +import java.io.BufferedWriter; +import java.io.FileInputStream; import java.io.IOException; -import java.io.InputStream; -import java.io.Writer; +import java.io.InputStreamReader; import java.util.ArrayList; import java.util.HashMap; import java.util.TreeSet; @@ -38,10 +41,6 @@ import javax.xml.parsers.ParserConfigurationException; import javax.xml.parsers.SAXParser; import javax.xml.parsers.SAXParserFactory; -import org.xml.sax.Attributes; -import org.xml.sax.SAXException; -import org.xml.sax.helpers.DefaultHandler; - /** * Reads and writes XML files for a FusionDictionary. * @@ -57,8 +56,6 @@ public class XmlDictInputOutput { private static final String WORD_ATTR = "word"; private static final String NOT_A_WORD_ATTR = "not_a_word"; - private static final String OPTIONS_KEY = "options"; - /** * SAX handler for a unigram XML file. */ @@ -120,7 +117,6 @@ public class XmlDictInputOutput { final String attrName = attrs.getLocalName(attrIndex); attributes.put(attrName, attrs.getValue(attrIndex)); } - final String optionsString = attributes.get(OPTIONS_KEY); mDictionary = new FusionDictionary(new PtNodeArray(), new DictionaryOptions(attributes)); } else { @@ -244,14 +240,13 @@ public class XmlDictInputOutput { protected int getValueFromFreqString(final String freqString) { if (WHITELIST_MARKER.equals(freqString)) { return WHITELIST_FREQ_VALUE; - } else { - final int intValue = super.getValueFromFreqString(freqString); - if (intValue < MIN_FREQ || intValue > MAX_FREQ) { - throw new RuntimeException("Shortcut freq out of range. Accepted range is " - + MIN_FREQ + ".." + MAX_FREQ); - } - return intValue; } + final int intValue = super.getValueFromFreqString(freqString); + if (intValue < MIN_FREQ || intValue > MAX_FREQ) { + throw new RuntimeException("Shortcut freq out of range. Accepted range is " + + MIN_FREQ + ".." + MAX_FREQ); + } + return intValue; } // As per getAssocMap(), this never returns null. @@ -269,23 +264,12 @@ public class XmlDictInputOutput { * @return true if the file is in the unigram XML format, false otherwise */ public static boolean isXmlUnigramDictionary(final String filename) { - BufferedReader reader = null; - try { - reader = new BufferedReader(new FileReader(new File(filename))); + try (final BufferedReader reader = new BufferedReader( + new InputStreamReader(new FileInputStream(filename), "UTF-8"))) { final String firstLine = reader.readLine(); return firstLine.matches("^\\s*\\s*$"); - } catch (FileNotFoundException e) { + } catch (final IOException e) { return false; - } catch (IOException e) { - return false; - } finally { - if (reader != null) { - try { - reader.close(); - } catch (IOException e) { - // do nothing - } - } } } @@ -300,8 +284,8 @@ public class XmlDictInputOutput { * @param bigrams the file to read the bigrams from, or null. * @return the in-memory representation of the dictionary. */ - public static FusionDictionary readDictionaryXml(final InputStream unigrams, - final InputStream shortcuts, final InputStream bigrams) + public static FusionDictionary readDictionaryXml(final BufferedInputStream unigrams, + final BufferedInputStream shortcuts, final BufferedInputStream bigrams) throws SAXException, IOException, ParserConfigurationException { final SAXParserFactory factory = SAXParserFactory.newInstance(); factory.setNamespaceAware(true); @@ -350,8 +334,8 @@ public class XmlDictInputOutput { * @param destination a destination stream to write to. * @param dict the dictionary to write. */ - public static void writeDictionaryXml(Writer destination, FusionDictionary dict) - throws IOException { + public static void writeDictionaryXml(final BufferedWriter destination, + final FusionDictionary dict) throws IOException { final TreeSet wordPropertiesInDict = new TreeSet<>(); for (WordProperty wordProperty : dict) { wordPropertiesInDict.add(wordProperty); diff --git a/tools/dicttool/tests/com/android/inputmethod/latin/dicttool/BinaryDictOffdeviceUtilsTests.java b/tools/dicttool/tests/com/android/inputmethod/latin/dicttool/BinaryDictOffdeviceUtilsTests.java index fccb654b0..0236a446d 100644 --- a/tools/dicttool/tests/com/android/inputmethod/latin/dicttool/BinaryDictOffdeviceUtilsTests.java +++ b/tools/dicttool/tests/com/android/inputmethod/latin/dicttool/BinaryDictOffdeviceUtilsTests.java @@ -62,13 +62,13 @@ public class BinaryDictOffdeviceUtilsTests extends TestCase { final File dst = File.createTempFile("testGetRawDict", ".tmp"); dst.deleteOnExit(); - - final OutputStream out = Compress.getCompressedStream( + try (final OutputStream out = Compress.getCompressedStream( Compress.getCompressedStream( Compress.getCompressedStream( - new BufferedOutputStream(new FileOutputStream(dst))))); - final DictEncoder dictEncoder = new Ver2DictEncoder(out); - dictEncoder.writeDictionary(dict, new FormatOptions(2, false)); + new BufferedOutputStream(new FileOutputStream(dst)))))) { + final DictEncoder dictEncoder = new Ver2DictEncoder(out); + dictEncoder.writeDictionary(dict, new FormatOptions(2, false)); + } // Test for an actually compressed dictionary and its contents final BinaryDictOffdeviceUtils.DecoderChainSpec decodeSpec = @@ -96,11 +96,11 @@ public class BinaryDictOffdeviceUtilsTests extends TestCase { // Randomly create some 4k file containing garbage final File dst = File.createTempFile("testGetRawDict", ".tmp"); dst.deleteOnExit(); - final OutputStream out = new BufferedOutputStream(new FileOutputStream(dst)); - for (int i = 0; i < 1024; ++i) { - out.write(0x12345678); + try (final OutputStream out = new BufferedOutputStream(new FileOutputStream(dst))) { + for (int i = 0; i < 1024; ++i) { + out.write(0x12345678); + } } - out.close(); // Test that a random data file actually fails assertNull("Wrongly identified data file", @@ -108,12 +108,12 @@ public class BinaryDictOffdeviceUtilsTests extends TestCase { final File gzDst = File.createTempFile("testGetRawDict", ".tmp"); gzDst.deleteOnExit(); - final OutputStream gzOut = - Compress.getCompressedStream(new BufferedOutputStream(new FileOutputStream(gzDst))); - for (int i = 0; i < 1024; ++i) { - gzOut.write(0x12345678); + try (final OutputStream gzOut = Compress.getCompressedStream( + new BufferedOutputStream(new FileOutputStream(gzDst)))) { + for (int i = 0; i < 1024; ++i) { + gzOut.write(0x12345678); + } } - gzOut.close(); // Test that a compressed random data file actually fails assertNull("Wrongly identified data file",