Moved CLI helper functionality to new dedicated project:

[svjatoslav_commons.git] / src / main / java / eu / svjatoslav / commons / commandline / parameterparser / Parser.java

diff --git a/src/main/java/eu/svjatoslav/commons/commandline/parameterparser/Parser.java b/src/main/java/eu/svjatoslav/commons/commandline/parameterparser/Parser.java
deleted file mode 100755 (executable)
index e8e3638..0000000
--- a/src/main/java/eu/svjatoslav/commons/commandline/parameterparser/Parser.java
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * Svjatoslav Commons - shared library of common functionality. Author: Svjatoslav Agejenko.
- * This project is released under Creative Commons Zero (CC0) license.
- */
-package eu.svjatoslav.commons.commandline.parameterparser;
-
-import java.util.ArrayList;
-
-/**
- * <pre>
- * Single commandline parameter can have any amount of arguments.
- * </pre>
- */
-public class Parser {
-
-    private final ArrayList<Parameter<?, ? extends Parameter>> parameters = new ArrayList<>();
-
-    public <E extends Parameter> E add(final E parameter) {
-        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.isSpecified())) {
-                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.
-     *
-     * @param alias parameter alias
-     * @return found parameter or <code>null</code> if parameter was not found.
-     */
-    public Parameter findParameterByAlias(final String alias) {
-
-        for (final Parameter parameter : parameters)
-            if (parameter.matchesAlias(alias))
-                return parameter;
-
-        return null;
-    }
-
-    /**
-     * @param args commandline arguments
-     * @return <code>true</code> if no errors were found. <code>false</code>
-     * otherwise.
-     */
-    public boolean parse(final String[] args) {
-
-        Parameter currentParameter = null;
-
-        for (final String argument : args) {
-
-            final Parameter parameterForAlias = findParameterByAlias(argument);
-            if (parameterForAlias == null) {
-                if (currentParameter == null) {
-                    System.out.println("Unknown commandline parameter: "
-                            + argument);
-                    return false;
-                }
-
-                if (!currentParameter.addArgument(argument))
-                    return false;
-
-            } else {
-                if (currentParameter != null)
-                    if (!currentParameter.noMoreArguments())
-                        return false;
-
-                parameterForAlias.setSpecified(true);
-                currentParameter = parameterForAlias;
-            }
-
-        }
-
-        return checkMandatoryArgumentsPresent();
-    }
-
-    public void showHelp() {
-        System.out.println("Available commandline arguments:");
-        for (final Parameter parameter : parameters)
-            System.out.println(parameter.getHelp());
-    }
-
-}