--- /dev/null
+/*
+ * 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 org.apache.log4j.spi;
+
+import org.apache.log4j.Appender;
+import org.apache.log4j.Level;
+import org.apache.log4j.Logger;
+import org.apache.log4j.Priority;
+
+import java.util.Enumeration;
+import java.util.ResourceBundle;
+import java.util.Vector;
+
+/**
+ * No-operation implementation of Logger used by NOPLoggerRepository.
+ * @since 1.2.15
+ */
+public final class NOPLogger extends Logger {
+ /**
+ * Create instance of Logger.
+ * @param repo repository, may not be null.
+ * @param name name, may not be null, use "root" for root logger.
+ */
+ public NOPLogger(NOPLoggerRepository repo, final String name) {
+ super(name);
+ this.repository = repo;
+ this.level = Level.OFF;
+ this.parent = this;
+ }
+
+ /** {@inheritDoc} */
+ public void addAppender(final Appender newAppender) {
+ }
+
+ /** {@inheritDoc} */
+ public void assertLog(final boolean assertion, final String msg) {
+ }
+
+
+ /** {@inheritDoc} */
+ public void callAppenders(final LoggingEvent event) {
+ }
+
+ /** {@inheritDoc} */
+ void closeNestedAppenders() {
+ }
+
+ /** {@inheritDoc} */
+ public void debug(final Object message) {
+ }
+
+
+ /** {@inheritDoc} */
+ public void debug(final Object message, final Throwable t) {
+ }
+
+ /** {@inheritDoc} */
+ public void error(final Object message) {
+ }
+
+ /** {@inheritDoc} */
+ public void error(final Object message, final Throwable t) {
+ }
+
+
+ /** {@inheritDoc} */
+ public void fatal(final Object message) {
+ }
+
+ /** {@inheritDoc} */
+ public void fatal(final Object message, final Throwable t) {
+ }
+
+
+ /** {@inheritDoc} */
+ public Enumeration getAllAppenders() {
+ return new Vector().elements();
+ }
+
+ /** {@inheritDoc} */
+ public Appender getAppender(final String name) {
+ return null;
+ }
+
+ /** {@inheritDoc} */
+ public Level getEffectiveLevel() {
+ return Level.OFF;
+ }
+
+ /** {@inheritDoc} */
+ public Priority getChainedPriority() {
+ return getEffectiveLevel();
+ }
+
+ /** {@inheritDoc} */
+ public ResourceBundle getResourceBundle() {
+ return null;
+ }
+
+
+ /** {@inheritDoc} */
+ public void info(final Object message) {
+ }
+
+ /** {@inheritDoc} */
+ public void info(final Object message, final Throwable t) {
+ }
+
+ /** {@inheritDoc} */
+ public boolean isAttached(Appender appender) {
+ return false;
+ }
+
+ /** {@inheritDoc} */
+ public boolean isDebugEnabled() {
+ return false;
+ }
+
+ /** {@inheritDoc} */
+ public boolean isEnabledFor(final Priority level) {
+ return false;
+ }
+
+ /** {@inheritDoc} */
+ public boolean isInfoEnabled() {
+ return false;
+ }
+
+
+ /** {@inheritDoc} */
+ public void l7dlog(final Priority priority, final String key, final Throwable t) {
+ }
+
+ /** {@inheritDoc} */
+ public void l7dlog(final Priority priority, final String key, final Object[] params, final Throwable t) {
+ }
+
+ /** {@inheritDoc} */
+ public void log(final Priority priority, final Object message, final Throwable t) {
+ }
+
+ /** {@inheritDoc} */
+ public void log(final Priority priority, final Object message) {
+ }
+
+ /** {@inheritDoc} */
+ public void log(final String callerFQCN, final Priority level, final Object message, final Throwable t) {
+ }
+
+ /** {@inheritDoc} */
+ public void removeAllAppenders() {
+ }
+
+
+ /** {@inheritDoc} */
+ public void removeAppender(Appender appender) {
+ }
+
+ /** {@inheritDoc} */
+ public void removeAppender(final String name) {
+ }
+
+ /** {@inheritDoc} */
+ public void setLevel(final Level level) {
+ }
+
+
+ /** {@inheritDoc} */
+ public void setPriority(final Priority priority) {
+ }
+
+ /** {@inheritDoc} */
+ public void setResourceBundle(final ResourceBundle bundle) {
+ }
+
+ /** {@inheritDoc} */
+ public void warn(final Object message) {
+ }
+
+ /** {@inheritDoc} */
+ public void warn(final Object message, final Throwable t) {
+ }
+
+ /** {@inheritDoc} */
+ public void trace(Object message) {
+ }
+
+ /** {@inheritDoc} */
+ public void trace(Object message, Throwable t) {
+ }
+
+ /** {@inheritDoc} */
+ public boolean isTraceEnabled() {
+ return false;
+ }
+
+
+}