/*
* Svjatoslav Commons - shared library of common functionality.
- * Copyright (C) 2012, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
- *
+ * Copyright ©2012-2014, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
+ *
* This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
+ * modify it under the terms of version 3 of the GNU Lesser General Public License
+ * or later as published by the Free Software Foundation.
*/
package eu.svjatoslav.commons.commandline.parameterparser;
private final ArrayList<Parameter> parameters = new ArrayList<Parameter>();
- public void addParameter(final Parameter parameter) {
+ public <E extends Parameter> E add(final E parameter) {
parameters.add(parameter);
+ return parameter;
}
/**
* Return parameter by given alias or <code>null</code> if no parameter
* exists for given alias.
*/
- public Parameter getParameterByAlias(final String alias) {
+ public Parameter findParameterByAlias(final String alias) {
- for (final Parameter parameter : parameters) {
+ for (final Parameter parameter : parameters)
if (parameter.matchesAlias(alias))
return parameter;
- }
return null;
}
for (final String argument : args) {
- final Parameter parameterForAlias = getParameterByAlias(argument);
+ final Parameter parameterForAlias = findParameterByAlias(argument);
if (parameterForAlias == null) {
if (currentParameter == null) {
System.out.println("Unknown commandline parameter: "
return false;
} else {
- if (currentParameter != null) {
+ if (currentParameter != null)
if (!currentParameter.noMoreArguments())
return false;
- }
parameterForAlias.setParameterSpecified(true);
currentParameter = parameterForAlias;
// check if any mandatory parameters are missing
- for (final Parameter parameter : parameters) {
+ for (final Parameter parameter : parameters)
if (parameter.isMandatory() && (!parameter.isParameterSpecified())) {
System.out.println("Error! Mandatory parameter ("
+ parameter.getAliases() + ") is not specified.");
return false;
}
- }
return true;
}
public void showHelp() {
- for (final Parameter parameter : parameters) {
+ for (final Parameter parameter : parameters)
System.out.println(parameter.getHelp());
- }
}
}