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The Apache Commons Codec package contains simple encoder and decoders for various formats such as Base64 and Hexadecimal. In addition to these widely used encoders and decoders, the codec package also maintains a collection of phonetic encoding utilities.

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/* ====================================================================
   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.poi.hslf.usermodel;

import java.util.ArrayList;
import java.util.List;

import org.apache.poi.hslf.model.textproperties.TextPropCollection;
import org.apache.poi.hslf.record.SlideAtom;

/**
 * Title masters define the design template for slides with a Title Slide layout.
 */
public final class HSLFTitleMaster extends HSLFMasterSheet {
    private final List> _paragraphs = new ArrayList<>();

    /**
     * Constructs a TitleMaster
     *
     */
    public HSLFTitleMaster(org.apache.poi.hslf.record.Slide record, int sheetNo) {
        super(record, sheetNo);

        for (List l : HSLFTextParagraph.findTextParagraphs(getPPDrawing(), this)) {
            if (!_paragraphs.contains(l)) {
                _paragraphs.add(l);
            }
        }
    }

    /**
     * Returns an array of all the TextRuns found
     */
    @Override
    public List> getTextParagraphs() {
        return _paragraphs;
    }

    /**
     * Delegate the call to the underlying slide master.
     */
    @Override
    public TextPropCollection getPropCollection(final int txtype, final int level, final String name, final boolean isCharacter) {
        final HSLFMasterSheet master = getMasterSheet();
        return (master == null) ? null : master.getPropCollection(txtype, level, name, isCharacter);
    }
    
    /**
     * Returns the slide master for this title master.
     */
    @Override
    public HSLFMasterSheet getMasterSheet(){
        SlideAtom sa = ((org.apache.poi.hslf.record.Slide)getSheetContainer()).getSlideAtom();
        int masterId = sa.getMasterID();
        for (HSLFSlideMaster sm : getSlideShow().getSlideMasters()) {
            if (masterId == sm._getSheetNumber()) {
                return sm;
            }
        }
        return null;
    }
}