/*
* Svjatoslav Commons - shared library of common functionality.
- * Copyright ©2012-2013, 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;
import java.util.ArrayList;
-import eu.svjatoslav.commons.commandline.parameterparser.parameter.StringParameter;
-
/**
* <pre>
* Single commandline parameter can have any amount of arguments.
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;
}
- public StringParameter createStringParameter(final String description) {
- final StringParameter parameter = new StringParameter(description);
- parameters.add(parameter);
- return parameter;
+ /**
+ * @return <code>true</code> if no errors were found. <code>false</code>
+ * otherwise.
+ */
+ private boolean checkMandatoryArgumentsPresent() {
+
+ 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;
}
/**
* 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)
if (parameter.matchesAlias(alias))
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: "
}
- // check if any mandatory parameters are missing
-
- 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;
+ return checkMandatoryArgumentsPresent();
}
public void showHelp() {