try (OutputStream out = file.openOutputStream(false)) {
            out.write(initial.getBytes("UTF-8"));
        }

        // Append additional content
        String append = "Appended content\n";
        try (OutputStream out = file.openOutputStream(true)) { // true = append mode
            out.write(append.getBytes("UTF-8"));
        }

        // Verify combined content

        } else {
            ret[1] = className;
        }
        return ret;
    }

    /**
     * Returns the class name itself, or for arrays, the element class name with {@literal []} appended.
     *
     * @param clazz
     *            The class. Must not be {@literal null}.
     * @return The class name.
     */
    public static String getSimpleClassName(final Class<?> clazz) {

     * Adds search highlighting for HTML and PDF documents.
     *
     * @param document the document data map
     * @param url the base URL
     * @return the URL with appended query parameters
     */
    protected String appendQueryParameter(final Map<String, Object> document, final String url) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

log4j.rootLogger=INFO,STDOUT
log4j.appender.STDOUT=org.apache.log4j.ConsoleAppender
log4j.appender.STDOUT.ImmediateFlush=true
log4j.appender.STDOUT.layout=org.apache.log4j.PatternLayout

log4j.rootLogger=WARN,STDOUT
log4j.appender.STDOUT=org.apache.log4j.ConsoleAppender
log4j.appender.STDOUT.ImmediateFlush=true
log4j.appender.STDOUT.layout=org.apache.log4j.PatternLayout
log4j.appender.STDOUT.layout.ConversionPattern=%-5p %d [%t] %m%n

log4j.rootLogger=INFO,STDOUT
log4j.appender.STDOUT=org.apache.log4j.ConsoleAppender
log4j.appender.STDOUT.ImmediateFlush=true
log4j.appender.STDOUT.layout=org.apache.log4j.PatternLayout

package org.codelibs.fess.util;

import java.util.Arrays;

import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.core.Core;
import org.apache.logging.log4j.core.LogEvent;
import org.apache.logging.log4j.core.appender.rewrite.RewritePolicy;
import org.apache.logging.log4j.core.config.plugins.Plugin;
import org.apache.logging.log4j.core.config.plugins.PluginAttribute;
import org.apache.logging.log4j.core.config.plugins.PluginFactory;