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The KSC SDK for Java - Core module holds the classes that is used by the individual service clients to interact with KSC Web Services. Users need to depend on KSC-java-sdk artifact for accessing individual client classes.
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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 com.ksc.log;

/**
 * An SDK internal logging API, not intended for general use. This logging API
 * allows a minimal set of signer related classes to make use of logging without
 * direct dependency on any third party library.
 * 
 * @see InternalLogFactory
 */
public interface InternalLogApi {

    /**
     * Logs a message with debug log level.
     *
     * @param message
     *            log this message
     */
    void debug(Object message);

    /**
     * Logs an error with debug log level.
     *
     * @param message
     *            log this message
     * @param t
     *            log this cause
     */
    void debug(Object message, Throwable t);

    /**
     * Logs a message with error log level.
     *
     * @param message
     *            log this message
     */
    void error(Object message);

    /**
     * Logs an error with error log level.
     *
     * @param message
     *            log this message
     * @param t
     *            log this cause
     */
    void error(Object message, Throwable t);

    /**
     * Logs a message with fatal log level.
     *
     * @param message
     *            log this message
     */
    void fatal(Object message);

    /**
     * Logs an error with fatal log level.
     *
     * @param message
     *            log this message
     * @param t
     *            log this cause
     */
    void fatal(Object message, Throwable t);

    /**
     * Logs a message with info log level.
     *
     * @param message
     *            log this message
     */
    void info(Object message);

    /**
     * Logs an error with info log level.
     *
     * @param message
     *            log this message
     * @param t
     *            log this cause
     */
    void info(Object message, Throwable t);

    /**
     * Is debug logging currently enabled?
     * 
     * Call this method to prevent having to perform expensive operations (for
     * example, String concatenation) when the log level is more
     * than debug.
     *
     * @return true if debug is enabled in the underlying logger.
     */
    boolean isDebugEnabled();

    /**
     * Is error logging currently enabled?
     * 

     * Call this method to prevent having to perform expensive operations (for
     * example, String concatenation) when the log level is more
     * than error.
     *
     * @return true if error is enabled in the underlying logger.
     */
    boolean isErrorEnabled();

    /**
     * Is fatal logging currently enabled?
     * 

     * Call this method to prevent having to perform expensive operations (for
     * example, String concatenation) when the log level is more
     * than fatal.
     *
     * @return true if fatal is enabled in the underlying logger.
     */
    boolean isFatalEnabled();

    /**
     * Is info logging currently enabled?
     * 

     * Call this method to prevent having to perform expensive operations (for
     * example, String concatenation) when the log level is more
     * than info.
     *
     * @return true if info is enabled in the underlying logger.
     */
    boolean isInfoEnabled();

    /**
     * Is trace logging currently enabled?
     * 

     * Call this method to prevent having to perform expensive operations (for
     * example, String concatenation) when the log level is more
     * than trace.
     *
     * @return true if trace is enabled in the underlying logger.
     */
    boolean isTraceEnabled();

    /**
     * Is warn logging currently enabled?
     * 
     * Call this method to prevent having to perform expensive operations (for
     * example, String concatenation) when the log level is more
     * than warn.
     *
     * @return true if warn is enabled in the underlying logger.
     */
    boolean isWarnEnabled();

    /**
     * Logs a message with trace log level.
     *
     * @param message
     *            log this message
     */
    void trace(Object message);

    /**
     * Logs an error with trace log level.
     *
     * @param message
     *            log this message
     * @param t
     *            log this cause
     */
    void trace(Object message, Throwable t);

    /**
     * Logs a message with warn log level.
     *
     * @param message
     *            log this message
     */
    void warn(Object message);

    /**
     * Logs an error with warn log level.
     *
     * @param message
     *            log this message
     * @param t
     *            log this cause
     */
    void warn(Object message, Throwable t);
}