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Support stdin and stdout for compress/uncompress
This will improve flexibility in dictionary generation by allowing pipelined commands. Change-Id: Ia07bdc82c8bd740b5dfee6b5fd1a067f4b8b7ba5
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@ -46,46 +46,52 @@ public class Compress {
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static public class Compressor extends Dicttool.Command {
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public static final String COMMAND = "compress";
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private static final String SUFFIX = ".compressed";
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public static final String STDIN_OR_STDOUT = "-";
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public Compressor() {
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}
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public String getHelp() {
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return "compress <filename>: Compresses a file using gzip compression";
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return COMMAND + " <src_filename> <dst_filename>: "
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+ "Compresses a file using gzip compression";
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}
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public void run() throws IOException {
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if (mArgs.length < 1) {
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throw new RuntimeException("Not enough arguments for command " + COMMAND);
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if (mArgs.length > 2) {
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throw new RuntimeException("Too many arguments for command " + COMMAND);
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}
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final String inFilename = mArgs[0];
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final String outFilename = inFilename + SUFFIX;
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final FileInputStream input = new FileInputStream(new File(inFilename));
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final FileOutputStream output = new FileOutputStream(new File(outFilename));
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final String inFilename = mArgs.length >= 1 ? mArgs[0] : STDIN_OR_STDOUT;
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final String outFilename = mArgs.length >= 2 ? mArgs[1] : STDIN_OR_STDOUT;
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final InputStream input = inFilename.equals(STDIN_OR_STDOUT) ? System.in
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: new FileInputStream(new File(inFilename));
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final OutputStream output = outFilename.equals(STDIN_OR_STDOUT) ? System.out
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: new FileOutputStream(new File(outFilename));
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copy(input, new GZIPOutputStream(output));
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}
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}
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static public class Uncompressor extends Dicttool.Command {
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public static final String COMMAND = "uncompress";
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private static final String SUFFIX = ".uncompressed";
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public static final String STDIN_OR_STDOUT = "-";
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public Uncompressor() {
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}
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public String getHelp() {
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return "uncompress <filename>: Uncompresses a file compressed with gzip compression";
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return COMMAND + " <src_filename> <dst_filename>: "
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+ "Uncompresses a file compressed with gzip compression";
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}
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public void run() throws IOException {
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if (mArgs.length < 1) {
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throw new RuntimeException("Not enough arguments for command " + COMMAND);
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if (mArgs.length > 2) {
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throw new RuntimeException("Too many arguments for command " + COMMAND);
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}
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final String inFilename = mArgs[0];
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final String outFilename = inFilename + SUFFIX;
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final FileInputStream input = new FileInputStream(new File(inFilename));
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final FileOutputStream output = new FileOutputStream(new File(outFilename));
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final String inFilename = mArgs.length >= 1 ? mArgs[0] : STDIN_OR_STDOUT;
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final String outFilename = mArgs.length >= 2 ? mArgs[1] : STDIN_OR_STDOUT;
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final InputStream input = inFilename.equals(STDIN_OR_STDOUT) ? System.in
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: new FileInputStream(new File(inFilename));
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final OutputStream output = outFilename.equals(STDIN_OR_STDOUT) ? System.out
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: new FileOutputStream(new File(outFilename));
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copy(new GZIPInputStream(input), output);
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}
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}
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