Examples of org.codehaus.plexus.util.InterpolationFilterReader

org.codehaus.plexus.util.InterpolationFilterReader
A FilterReader which interpolates keyword values into a character stream. Keywords are recognized when enclosed between starting and ending delimiter strings. The keywords themselves, and their values, are fetched from a Map supplied to the constructor.
When a possible keyword token is recognized (by detecting the starting and ending token delimiters):
- if the enclosed string is found in the keyword Map, the delimiters and the keyword are effectively replaced by the keyword's value;
- if the enclosed string is found in the keyword Map, but its value has zero length, then the token (delimiters and keyword) is effectively removed from the character stream;
- if the enclosed string is not found in the keyword Map, then no substitution is made; the token text is passed through unaltered.
@see LineOrientedInterpolatingReader @see org.codehaus.plexus.interpolation

     * @param fileContents the fileContents to perform replacement on.
     */
    private String replaceProperties(final Properties properties, final String string) throws IOException
    {
        final StringReader stringReader = new StringReader(string);
        InterpolationFilterReader reader = new InterpolationFilterReader(stringReader, properties, "${", "}");
        reader.reset();
        reader = new InterpolationFilterReader(
                reader,
                new BeanProperties(this.project),
                BEGIN_TOKEN,
                END_TOKEN);
        reader = new InterpolationFilterReader(
                reader,
                new BeanProperties(this.project),
                BEGIN_TOKEN,
                END_TOKEN);
        return ResourceUtils.getContents(reader);

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        final Properties properties,
        final String string)
        throws IOException
    {
        final StringReader stringReader = new StringReader(string);
        InterpolationFilterReader reader = new InterpolationFilterReader(stringReader, properties, "${", "}");
        reader.reset();
        reader = new InterpolationFilterReader(
                reader,
                new BeanProperties(this.getProject()),
                BEGIN_TOKEN,
                END_TOKEN);
        reader = new InterpolationFilterReader(
                reader,
                new BeanProperties(this.getSettings()),
                BEGIN_TOKEN,
                END_TOKEN);
        return ResourceUtils.getContents(reader);

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            Reader reader = null;
            if ( filtering )
            {
                // support _${token}
                reader = new InterpolationFilterReader( fileReader, filterProperties, "_${", "}" );
                // support ${token}
                reader = new InterpolationFilterReader( reader, filterProperties, "${", "}" );
                // support @token@
                reader = new InterpolationFilterReader( reader, filterProperties, "@", "@" );


                boolean isPropertiesFile = false;
                if ( to.isFile() && to.getName().endsWith( ".properties" ) )
                {
                    isPropertiesFile = true;
                }
                reader = new InterpolationFilterReader( reader, new ReflectionProperties( mymojo.getProject(),
                    isPropertiesFile ), "${", "}" );
            }
            else
            {
                reader = fileReader;

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        BufferedReader reader = null;
        try
        {
            Map composite = getInterpolationValueSource();
            reader = new BufferedReader( new InterpolationFilterReader( newReader( tokenFile ), composite ) );


            String line = null;
            while ( ( line = reader.readLine() ) != null )
            {
                result.addAll( collectListFromCSV( line ) );

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            try
            {
                // interpolation with token @...@
                Map composite = getInterpolationValueSource();
                reader = ReaderFactory.newXmlReader( originalFile );
                reader = new InterpolationFilterReader( reader, composite, "@", "@" );
                xml = IOUtil.toString( reader );
            }
            finally
            {
                IOUtil.close( reader );

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                URLConnection conn = url.openConnection();
                conn.setUseCaches( false );
                conn.connect();


                reader = new InputStreamReader( conn.getInputStream() );
                InterpolationFilterReader input = new InterpolationFilterReader( reader,
                                                                                 new ContextMapAdapter( context ) );


                ComponentSetDescriptor componentSetDescriptor = createComponentDescriptors( input, url.toString() );


                componentSetDescriptors.add( componentSetDescriptor );

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        configuration = p.process( configuration, Collections.EMPTY_MAP );
    }


    protected Reader getInterpolationConfigurationReader( Reader reader )
    {
        InterpolationFilterReader interpolationFilterReader =
            new InterpolationFilterReader( reader, new ContextMapAdapter( context ) );


        return interpolationFilterReader;
    }

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            {
                reader = new InputStreamReader( url.openStream() );


                ContextMapAdapter contextAdapter = new ContextMapAdapter( context );


                InterpolationFilterReader interpolationFilterReader = new InterpolationFilterReader( reader,
                                                                                                     contextAdapter );


                PlexusConfiguration discoveredConfig = PlexusTools.buildConfiguration( url.toExternalForm(), interpolationFilterReader );


                if ( configuration == null )

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        }
    }


    protected Reader getInterpolationConfigurationReader( Reader reader )
    {
        return new InterpolationFilterReader( reader, new ContextMapAdapter( containerContext ) );
    }

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    }
}


    protected Reader getInterpolationConfigurationReader( Reader reader )
    {
        return new InterpolationFilterReader( reader, new ContextMapAdapter( containerContext ) );
    }

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