# UnmodifiableCOSDictionary.java

    /*
     * Licensed to the Apache Software Foundation (ASF) under one or more
     * contributor license agreements.  See the NOTICE file distributed with
     * this work for additional information regarding copyright ownership.
     * The ASF licenses this file to You 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 org.apache.pdfbox.cos;

    import java.util.Calendar;

    import org.apache.pdfbox.pdmodel.common.COSObjectable;

    /**
     * An unmodifiable COSDictionary.
     *
     * @author John Hewson
     */
    final class UnmodifiableCOSDictionary extends COSDictionary
    {
        /**
         * {@inheritDoc}
         */
        UnmodifiableCOSDictionary(COSDictionary dict)
        {
            super();
            items = dict.items;
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void clear()
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setItem(COSName key, COSBase value)
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setItem(COSName key, COSObjectable value)
        {
           throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setItem(String key, COSObjectable value)
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setBoolean(String key, boolean value)
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setBoolean(COSName key, boolean value)
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setItem(String key, COSBase value)
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setName(String key, String value)
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setName(COSName key, String value)
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setDate(String key, Calendar date)
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setDate(COSName key, Calendar date)
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setEmbeddedDate(COSName embedded, COSName key, Calendar date)
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setString(String key, String value)
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setString(COSName key, String value)
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setEmbeddedString(COSName embedded, COSName key, String value)
        {
           throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setInt(String key, int value)
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setInt(COSName key, int value)
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setLong(String key, long value)
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setLong(COSName key, long value)
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setEmbeddedInt(COSName embeddedDictionary, COSName key, int value)
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setFloat(String key, float value)
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setFloat(COSName key, float value)
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void removeItem(COSName key)
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void addAll(COSDictionary dic)
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setFlag(COSName field, int bitFlag, boolean value)
        {
            throw new UnsupportedOperationException();
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void setNeedToBeUpdated(boolean flag)
        {
            throw new UnsupportedOperationException();
        }
    }