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Support stdin and stdout for compress/uncompress

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This will improve flexibility in dictionary generation by
allowing pipelined commands.

Change-Id: Ia07bdc82c8bd740b5dfee6b5fd1a067f4b8b7ba5
This commit is contained in:
Jean Chalard 2012-08-09 13:33:16 +09:00
parent 9abea49dd4
commit ccd8ed53b3
1 changed files with 22 additions and 16 deletions
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38
tools/dicttool/src/android/inputmethod/latin/dicttool/Compress.java
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@ -46,46 +46,52 @@ public class Compress {
static public class Compressor extends Dicttool.Command {
public static final String COMMAND = "compress";
private static final String SUFFIX = ".compressed";
public static final String STDIN_OR_STDOUT = "-";
public Compressor() {
}
public String getHelp() {
return "compress <filename>: Compresses a file using gzip compression";
return COMMAND + " <src_filename> <dst_filename>: "
+ "Compresses a file using gzip compression";
}
public void run() throws IOException {
if (mArgs.length < 1) {
throw new RuntimeException("Not enough arguments for command " + COMMAND);
if (mArgs.length > 2) {
throw new RuntimeException("Too many arguments for command " + COMMAND);
}
final String inFilename = mArgs[0];
final String outFilename = inFilename + SUFFIX;
final FileInputStream input = new FileInputStream(new File(inFilename));
final FileOutputStream output = new FileOutputStream(new File(outFilename));
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 FileInputStream(new File(inFilename));
final OutputStream output = outFilename.equals(STDIN_OR_STDOUT) ? System.out
: new FileOutputStream(new File(outFilename));
copy(input, new GZIPOutputStream(output));
}
}
static public class Uncompressor extends Dicttool.Command {
public static final String COMMAND = "uncompress";
private static final String SUFFIX = ".uncompressed";
public static final String STDIN_OR_STDOUT = "-";
public Uncompressor() {
}
public String getHelp() {
return "uncompress <filename>: Uncompresses a file compressed with gzip compression";
return COMMAND + " <src_filename> <dst_filename>: "
+ "Uncompresses a file compressed with gzip compression";
}
public void run() throws IOException {
if (mArgs.length < 1) {
throw new RuntimeException("Not enough arguments for command " + COMMAND);
if (mArgs.length > 2) {
throw new RuntimeException("Too many arguments for command " + COMMAND);
}
final String inFilename = mArgs[0];
final String outFilename = inFilename + SUFFIX;
final FileInputStream input = new FileInputStream(new File(inFilename));
final FileOutputStream output = new FileOutputStream(new File(outFilename));
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 FileInputStream(new File(inFilename));
final OutputStream output = outFilename.equals(STDIN_OR_STDOUT) ? System.out
: new FileOutputStream(new File(outFilename));
copy(new GZIPInputStream(input), output);
}
}