</execution>
				</executions>
			</plugin>
			<plugin>
				<artifactId>maven-javadoc-plugin</artifactId>
				<version>3.6.3</version>
				<configuration>
					<encoding>UTF-8</encoding>
					<docencoding>UTF-8</docencoding>
					<charset>UTF-8</charset>
				</configuration>
			</plugin>
			<plugin>
				<artifactId>maven-jar-plugin</artifactId>
				<version>3.3.0</version>
				<configuration>
					<archive>

    @Nullable @Optional @Input
    public String getDocEncoding() {
        return docEncoding.getValue();
    }

    public void setDocEncoding(@Nullable String docEncoding) {
        this.docEncoding.setValue(docEncoding);
    }

    public StandardJavadocDocletOptions docEncoding(String docEncoding) {
        setDocEncoding(docEncoding);
        return this;
    }

    /**
     * -keywords.
     */

					</execution>
				</executions>
			</plugin>
			<plugin>
				<artifactId>maven-javadoc-plugin</artifactId>
				<version>3.4.1</version>
				<configuration>
					<encoding>UTF-8</encoding>
					<docencoding>UTF-8</docencoding>
					<charset>UTF-8</charset>
					<source>8</source>
				</configuration>
			</plugin>
			<plugin>
				<artifactId>maven-jar-plugin</artifactId>
				<version>3.3.0</version>
				<configuration>

					</execution>
				</executions>
			</plugin>
			<plugin>
				<artifactId>maven-javadoc-plugin</artifactId>
				<version>3.6.3</version>
				<configuration>
					<encoding>UTF-8</encoding>
					<docencoding>UTF-8</docencoding>
					<charset>UTF-8</charset>
					<source>8</source>
					<doclint>none</doclint>
				</configuration>
			</plugin>
			<plugin>
				<artifactId>maven-jar-plugin</artifactId>

          <version>3.5.0</version>
          <configuration>
            <quiet>true</quiet>
            <notimestamp>true</notimestamp>
            <encoding>UTF-8</encoding>
            <docencoding>UTF-8</docencoding>
            <charset>UTF-8</charset>
            <additionalOptions>
              <additionalOption>-XDignore.symbol.file</additionalOption>
              <additionalOption>-Xdoclint:-html</additionalOption>

          <version>3.5.0</version>
          <configuration>
            <quiet>true</quiet>
            <notimestamp>true</notimestamp>
            <encoding>UTF-8</encoding>
            <docencoding>UTF-8</docencoding>
            <charset>UTF-8</charset>
            <additionalOptions>
              <additionalOption>-XDignore.symbol.file</additionalOption>
              <additionalOption>-Xdoclint:-html</additionalOption>

        assertEquals(charsetValue, options.getCharSet());
    }

    @Test
    public void testFluentDocEncoding() {
        final String docEncodingValue = "UTF-16";
        assertEquals(options, options.docEncoding(docEncodingValue));
        assertEquals(docEncodingValue, options.getDocEncoding());
    }

    @Test
    public void testFluentKeywords() {
        assertEquals(options, options.keyWords());

			<plugin>
				<artifactId>maven-failsafe-plugin</artifactId>
			</plugin>
			<plugin>
				<artifactId>maven-javadoc-plugin</artifactId>
				<configuration>
					<encoding>UTF-8</encoding>
					<docencoding>UTF-8</docencoding>
					<charset>UTF-8</charset>
					<locale>en_US</locale>
					<windowtitle>Open Source Enterprise Search: Fess API</windowtitle>

     * -encoding  name
     * <p>
     * Specifies the encoding name of the source files, such as EUCJIS/SJIS. If this option is not specified, the platform default converter is used.
     * <p>
     * Also see -docencoding and -charset.
     */
    @Override
    public String getEncoding() {
        return encoding.getValue();
    }

    @Override
    public void setEncoding(String encoding) {

          // c) we ran of out input to encode; next read more input
          if (doneEncoding) { // (a)
            doneFlushing = true;
            startDraining(false);
            continue DRAINING;
          } else if (endOfInput) { // (b)
            doneEncoding = true;
          } else { // (c)
            readMoreChars();
          }
        } else if (result.isError()) {