com.lexicalscope.jewel.cli.ArgumentCollectionImpl Maven / Gradle / Ivy

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/*
 * Copyright 2006 Tim Wood
 *
 * 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.lexicalscope.jewel.cli;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

class ArgumentCollectionImpl implements ArgumentCollection
{
    private final Map> m_arguments;
    private final List m_unparsed;

    public ArgumentCollectionImpl(final Map> arguments, final List unparsed)
    {
        m_arguments = arguments;
        m_unparsed = unparsed;
    }

    public boolean hasUnparsed()
    {
        return !m_unparsed.isEmpty();
    }

    public List getUnparsed()
    {
        return new ArrayList(m_unparsed);
    }

    public Iterator iterator()
    {
        return new Iterator() {
            final Iterator>> m_iterator = m_arguments.entrySet().iterator();

            public boolean hasNext()
            {
                return m_iterator.hasNext();
            }

            public Argument next()
            {
                final Entry> next = m_iterator.next();
                return new ArgumentImpl(next.getKey(), next.getValue());
            }

            public void remove()
            {
                m_iterator.remove();
            }
        };
    }

    boolean containsAny(final String... options)
    {
        return containsAny(Arrays.asList(options));
    }

    /**
     * {@inheritDoc}
     */
    public boolean containsAny(final List options)
    {
        for (final String option : options)
        {
            if (m_arguments.containsKey(option))
            {
                return true;
            }
        }
        return false;
    }

    @Override public Argument getArgument(final List options) {
        for (final String option : options) {
            if (m_arguments.containsKey(option)) {
                return new ArgumentImpl(option, m_arguments.get(option));
            }
        }
        return null;
    }

    List getValues(final String... options)
    {
        return getValues(Arrays.asList(options));
    }

    private List getValues(final List options)
    {
        for (final String option : options)
        {
            if (m_arguments.containsKey(option))
            {
                return m_arguments.get(option);
            }
        }
        return null;
    }
}