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Minor cleanup of CommandLineRunner

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git-svn-id: https://zxing.googlecode.com/svn/trunk@2579 59b500cc-1b3d-0410-9834-0bbf25fbcc57
This commit is contained in:
srowen@gmail.com 2013-02-25 15:27:28 +00:00
parent 7a39922b30
commit bb7328d4b0
1 changed files with 7 additions and 5 deletions
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12
javase/src/com/google/zxing/client/j2se/CommandLineRunner.java
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@ -24,7 +24,6 @@ import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.EnumMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Queue;
@ -32,6 +31,7 @@ import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.regex.Pattern;
/**
* This simple command line utility decodes files, directories of files, or URIs which are passed
@ -43,6 +43,8 @@ import java.util.concurrent.Future;
*/
public final class CommandLineRunner {
private static final Pattern COMMA = Pattern.compile(",");
private CommandLineRunner() {
}
@ -74,7 +76,7 @@ public final class CommandLineRunner {
config.setRecursive(true);
} else if (arg.startsWith("--crop")) {
int[] crop = new int[4];
String[] tokens = arg.substring(7).split(",");
String[] tokens = COMMA.split(arg.substring(7));
for (int i = 0; i < crop.length; i++) {
crop[i] = Integer.parseInt(tokens[i]);
}
@ -95,7 +97,7 @@ public final class CommandLineRunner {
int numThreads = Runtime.getRuntime().availableProcessors();
ExecutorService executor = Executors.newFixedThreadPool(numThreads);
List<Future<Integer>> futures = new ArrayList<Future<Integer>>(numThreads);
Collection<Future<Integer>> futures = new ArrayList<Future<Integer>>(numThreads);
for (int x = 0; x < numThreads; x++) {
futures.add(executor.submit(new DecodeWorker(config, inputs)));
}
@ -179,7 +181,8 @@ public final class CommandLineRunner {
}
private static void printUsage() {
System.err.println("Decode barcode images using the ZXing library\n");
System.err.println("Decode barcode images using the ZXing library");
System.err.println();
System.err.println("usage: CommandLineRunner { file | dir | url } [ options ]");
System.err.println(" --try_harder: Use the TRY_HARDER hint, default is normal (mobile) mode");
System.err.println(" --pure_barcode: Input image is a pure monochrome barcode image, not a photo");
@ -190,7 +193,6 @@ public final class CommandLineRunner {
System.err.println(" --brief: Only output one line per file, omitting the contents");
System.err.println(" --recursive: Descend into subdirectories");
System.err.println(" --crop=left,top,width,height: Only examine cropped region of input image(s)");
System.err.println(" --threads=n: The number of threads to use while decoding");
}
}