mudhorn/zxing
1
0
Fork 0
mirror of https://github.com/zxing/zxing.git synced 2024-11-09 20:44:03 -08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Use JCommander for CommandLineEncoder args

Browse source
This commit is contained in:
Sean Owen 2015-05-03 20:46:45 +01:00
parent 8fe986a9aa
commit 23893a0d4b
2 changed files with 71 additions and 65 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

77
javase/src/main/java/com/google/zxing/client/j2se/CommandLineEncoder.java
View file

@ -16,7 +16,7 @@
package com.google.zxing.client.j2se;
import com.google.zxing.BarcodeFormat;
import com.beust.jcommander.JCommander;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.common.BitMatrix;
@ -29,80 +29,27 @@ import java.util.Locale;
* @author Sean Owen
*/
public final class CommandLineEncoder {
private static final BarcodeFormat DEFAULT_BARCODE_FORMAT = BarcodeFormat.QR_CODE;
private static final String DEFAULT_IMAGE_FORMAT = "PNG";
private static final String DEFAULT_OUTPUT_FILE = "out";
private static final int DEFAULT_WIDTH = 300;
private static final int DEFAULT_HEIGHT = 300;
private CommandLineEncoder() {
}
public static void main(String[] args) throws Exception {
if (args.length == 0) {
printUsage();
EncoderConfig config = new EncoderConfig();
JCommander jCommander = new JCommander(config, args);
jCommander.setProgramName(CommandLineEncoder.class.getSimpleName());
if (config.help) {
jCommander.usage();
return;
}
BarcodeFormat barcodeFormat = DEFAULT_BARCODE_FORMAT;
String imageFormat = DEFAULT_IMAGE_FORMAT;
String outFileString = DEFAULT_OUTPUT_FILE;
int width = DEFAULT_WIDTH;
int height = DEFAULT_HEIGHT;
String contents = null;
for (String arg : args) {
String[] argValue = arg.split("=");
switch (argValue[0]) {
case "--barcode_format":
barcodeFormat = BarcodeFormat.valueOf(argValue[1]);
break;
case "--image_format":
imageFormat = argValue[1];
break;
case "--output":
outFileString = argValue[1];
break;
case "--width":
width = Integer.parseInt(argValue[1]);
break;
case "--height":
height = Integer.parseInt(argValue[1]);
break;
default:
if (arg.startsWith("-")) {
System.err.println("Unknown command line option " + arg);
printUsage();
return;
}
contents = arg;
break;
}
}
if (contents == null) {
printUsage();
return;
String outFileString = config.outputFileBase;
if (EncoderConfig.DEFAULT_OUTPUT_FILE_BASE.equals(outFileString)) {
outFileString += '.' + config.imageFormat.toLowerCase(Locale.ENGLISH);
}
if (DEFAULT_OUTPUT_FILE.equals(outFileString)) {
outFileString += '.' + imageFormat.toLowerCase(Locale.ENGLISH);
}
BitMatrix matrix = new MultiFormatWriter().encode(contents, barcodeFormat, width, height);
MatrixToImageWriter.writeToPath(matrix, imageFormat, Paths.get(outFileString));
}
private static void printUsage() {
System.err.println("Encodes barcode images using the ZXing library\n");
System.err.println("usage: CommandLineEncoder [ options ] content_to_encode");
System.err.println(" --barcode_format=format: Format to encode, from BarcodeFormat class. " +
"Not all formats are supported. Defaults to QR_CODE.");
System.err.println(" --image_format=format: image output format, such as PNG, JPG, GIF. Defaults to PNG");
System.err.println(" --output=filename: File to write to. Defaults to out.png");
System.err.println(" --width=pixels: Image width. Defaults to 300");
System.err.println(" --height=pixels: Image height. Defaults to 300");
BitMatrix matrix = new MultiFormatWriter().encode(
config.contents.get(0), config.barcodeFormat, config.width, config.height);
MatrixToImageWriter.writeToPath(matrix, config.imageFormat, Paths.get(outFileString));
}
}

59
javase/src/main/java/com/google/zxing/client/j2se/EncoderConfig.java Normal file
View file

@ -0,0 +1,59 @@
/*
* Copyright 2015 ZXing authors
*
* Licensed 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.
*/
package com.google.zxing.client.j2se;
import java.util.List;
import com.beust.jcommander.Parameter;
import com.beust.jcommander.validators.PositiveInteger;
import com.google.zxing.BarcodeFormat;
final class EncoderConfig {
static final String DEFAULT_OUTPUT_FILE_BASE = "out";
@Parameter(names = "--barcode_format",
description = "Format to encode, from BarcodeFormat class. Not all formats are supported")
BarcodeFormat barcodeFormat = BarcodeFormat.QR_CODE;
@Parameter(names = "--image_format",
description = "image output format, such as PNG, JPG, GIF")
String imageFormat = "PNG";
@Parameter(names = "--output",
description = " File to write to. Defaults to out.png")
String outputFileBase = DEFAULT_OUTPUT_FILE_BASE;
@Parameter(names = "--width",
description = "Image width",
validateWith = PositiveInteger.class)
int width = 300;
@Parameter(names = "--height",
description = "Image height",
validateWith = PositiveInteger.class)
int height = 300;
@Parameter(names = "--help",
description = "Prints this help message",
help = true)
boolean help;
@Parameter(description = "(Text to encode)", required = true)
List<String> contents;
}