package act.cli.meta;
/*-
* #%L
* ACT Framework
* %%
* Copyright (C) 2014 - 2017 ActFramework
* %%
* 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.
* #L%
*/
import act.cli.builtin.Help;
import org.osgl.util.E;
import org.osgl.util.S;
/**
* Store the option annotation meta info. There are two mutually exclusive
* option annotations:
* <ul>
* <li>{@link act.cli.Optional}</li>
* <li>{@link act.cli.Required}</li>
* </ul>
*/
public class OptionAnnoInfoBase {
/*
* e.g -o
*/
private String lead1;
/*
* e.g. --option
*/
private String lead2;
private String defVal;
private String group;
private String help;
private boolean required;
private String param;
public OptionAnnoInfoBase(boolean optional) {
this.required = !optional;
}
@Override
public String toString() {
return S.fmt("%s %s", leads(), help());
}
public OptionAnnoInfoBase spec(String[] specs) {
E.illegalArgumentIf(null == specs || specs.length == 0);
lead1 = specs[0];
if (specs.length > 1) {
lead2 = specs[1];
} else {
String[] sa = lead1.split("[,;\\s]+");
if (sa.length > 2) {
throw E.unexpected("Option cannot have more than two leads");
}
if (sa.length > 1) {
lead1 = sa[0];
lead2 = sa[1];
}
}
Help.updateMaxWidth(leads().length());
return this;
}
public String lead1() {
return lead1;
}
public String lead2() {
return lead2;
}
public String leads() {
if (null == lead1 && null == lead2) {
return "";
}
if (null == lead1) {
return lead2;
} else if (null == lead2) {
return lead1;
}
return S.join(",", lead1, lead2);
}
private void setLeadsIfNotSet(String paramName) {
if (null == lead1) {
lead1 = "-" + paramName.charAt(0);
lead2 = "--" + paramName;
}
}
public OptionAnnoInfoBase required(boolean required) {
this.required = required;
return this;
}
public boolean required() {
return required;
}
public OptionAnnoInfoBase defVal(String defVal) {
this.defVal = defVal;
return this;
}
public String defVal() {
return defVal;
}
public OptionAnnoInfoBase group(String group) {
this.group = group;
return this;
}
public String group() {
return group;
}
public OptionAnnoInfoBase paramName(String name) {
param = name;
setLeadsIfNotSet(name);
return this;
}
public OptionAnnoInfoBase help(String helpMessage) {
help = helpMessage;
return this;
}
public String help() {
return help;
}
}