/*
* Copyright (c) 2002-2012 Alibaba Group Holding Limited.
* All rights reserved.
*
* 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.alibaba.antx.expand.cli;
import java.io.PrintWriter;
import com.alibaba.antx.util.cli.CommandLine;
import com.alibaba.antx.util.cli.HelpFormatter;
import com.alibaba.antx.util.cli.OptionBuilder;
import com.alibaba.antx.util.cli.Options;
import com.alibaba.antx.util.cli.ParseException;
import com.alibaba.antx.util.cli.PosixParser;
/**
* Antxexpand命令行解析器。
*
* @author Michael Zhou
*/
public class CLIManager {
public static final String OPT_HELP = "h";
public static final String OPT_VERBOSE = "v";
public static final String OPT_CHARSET = "c";
public static final String OPT_EXPAND_WAR = "w";
public static final String OPT_EXPAND_RAR = "r";
public static final String OPT_EXPAND_EJB_JAR = "e";
public static final String OPT_OVERWRITE = "o";
public static final String OPT_KEEP_REDUNDANT_FILES = "k";
private Options options;
public CLIManager() {
OptionBuilder builder = new OptionBuilder();
options = new Options();
options.addOption(builder.withLongOpt("help").withDescription("显示帮助信息").create(OPT_HELP));
options.addOption(builder.withLongOpt("verbose").withDescription("显示更多信息").create(OPT_VERBOSE));
options.addOption(builder.withLongOpt("charset").hasArg().withDescription("输入/输出编码字符集").create(OPT_CHARSET));
options.addOption(builder.withLongOpt("expand-war").hasOptionalArg().withDescription("是否展开war（yes|no），默认为yes")
.create(OPT_EXPAND_WAR));
options.addOption(builder.withLongOpt("expand-rar").hasOptionalArg().withDescription("是否展开rar（yes|no），默认为yes")
.create(OPT_EXPAND_RAR));
options.addOption(builder.withLongOpt("expand-ejb-jar").hasOptionalArg()
.withDescription("是否展开ejb-jar（yes|no），默认为no").create(OPT_EXPAND_EJB_JAR));
options.addOption(builder.withLongOpt("overwrite").hasOptionalArg()
.withDescription("如果目标目录中的文件比zip文件中的项要新，是否覆盖之，默认为no").create(OPT_OVERWRITE));
options.addOption(builder.withLongOpt("keep-redundant-files").hasOptionalArg()
.withDescription("如果目标目录中有多余的文件，是否保持而不删除，默认为no").create(OPT_KEEP_REDUNDANT_FILES));
}
public CommandLine parse(String[] args) {
CommandLine cli;
try {
cli = new PosixParser().parse(options, args);
} catch (ParseException e) {
throw new CLIException(e);
}
return cli;
}
public void help(PrintWriter out) {
HelpFormatter formatter = new HelpFormatter();
formatter.defaultSyntaxPrefix = "使用方法：";
formatter.printHelp(out, HelpFormatter.DEFAULT_WIDTH, "antxexpand [可选参数] 文件名 [目标目录]\n", "可选参数：", options,
HelpFormatter.DEFAULT_LEFT_PAD, HelpFormatter.DEFAULT_DESC_PAD, "\n");
}
}