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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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/**
 * Copyright (C) 2011-2015 The XDocReport Team 
 *
 * All rights reserved.
 *
 * Permission is hereby granted, free  of charge, to any person obtaining
 * a  copy  of this  software  and  associated  documentation files  (the
 * "Software"), to  deal in  the Software without  restriction, including
 * without limitation  the rights to  use, copy, modify,  merge, publish,
 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
 * permit persons to whom the Software  is furnished to do so, subject to
 * the following conditions:
 *
 * The  above  copyright  notice  and  this permission  notice  shall  be
 * included in all copies or substantial portions of the Software.
 *
 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package fr.opensagres.xdocreport.converter;

import java.util.HashMap;
import java.util.Map;

import fr.opensagres.xdocreport.core.document.DocumentKind;

public class Options
{

    private String from;

    private String to;

    private String via;

    private Map properties = null;

    private Options()
    {
    }

    public static Options getFrom( DocumentKind from )
    {
        return getFrom( from.name() );
    }

    public static Options getFrom( String from )
    {
        Options options = new Options();
        options.from = from;
        return options;
    }

    public static Options getTo( ConverterTypeTo to )
    {
        return getTo( to.name() );
    }

    public static Options getTo( String to )
    {
        Options options = new Options();
        options.to = to;
        return options;
    }

    public String getFrom()
    {
        return from;
    }

    public Options from( String from )
    {
        this.from = from;
        return this;
    }

    public Options from( DocumentKind from )
    {
        return from( from.name() );
    }

    public String getTo()
    {
        return to;
    }

    public Options to( String to )
    {
        this.to = to;
        return this;
    }

    public Options to( ConverterTypeTo to )
    {
        return to( to.name() );
    }

    public String getVia()
    {
        return via;
    }

    public Options via( String via )
    {
        this.via = via;
        return this;
    }

    public Options via( ConverterTypeVia via )
    {
        return via( via.name() );
    }

    public Object getSubOptions( Class subOptionsClass )
    {
        return subOptionsClass != null ? getProperty( subOptionsClass.getName() ) : null;
    }

    /**
     * Set sub-options specific to some stage of processing. In example to pass options to pdf converter use
     * construction like
     * Options.getTo(ConverterTypeTo.PDF).via(ConverterTypeVia.ITEXT).subOptions(PDFViaITextOptions.create().fontEncoding("windows-1250"))
     * 
     * @param subOptionsValue sub-options to set
     * @return this instance
     */
    public Options subOptions( Object subOptionsValue )
    {
        if ( subOptionsValue != null )
        {
            Class clazz = subOptionsValue.getClass();
            String clazzName;
            if (clazz.isAnonymousClass()) {
                // not sure if getInterfaces can return null
                if (clazz.getInterfaces() != null && clazz.getInterfaces().length > 0) {
                    // anonymous classes can implement only one interface
                    clazzName = clazz.getInterfaces()[0].getName();
                }
                else {
                    clazzName = clazz.getSuperclass().getName();
                }
            }
            else {
                clazzName = clazz.getName();
            }
            setProperty( clazzName, subOptionsValue );
        }
        return this;
    }

    public void setProperty( String name, Object value )
    {
        if ( properties == null )
        {
            properties = new HashMap();
        }
        properties.put( name, value );
    }

    public Object getProperty( String name )
    {
        if ( properties == null )
        {
            return null;
        }
        return properties.get( name );
    }

    public boolean hasProperty( String name )
    {
        if ( properties == null )
        {
            return false;
        }
        return properties.containsKey( name );
    }
}