+++ /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.rewrite;
-
-import org.apache.log4j.Appender;
-import org.apache.log4j.AppenderSkeleton;
-import org.apache.log4j.helpers.AppenderAttachableImpl;
-import org.apache.log4j.spi.AppenderAttachable;
-import org.apache.log4j.spi.LoggingEvent;
-import org.apache.log4j.spi.OptionHandler;
-import org.apache.log4j.xml.UnrecognizedElementHandler;
-import org.w3c.dom.Element;
-
-import java.util.Enumeration;
-import java.util.Properties;
-
-/**
- * This appender forwards a logging request to another
- * appender after possibly rewriting the logging event.
- *
- * This appender (with the appropriate policy)
- * replaces the MapFilter, PropertyFilter and ReflectionFilter
- * from log4j 1.3.
- */
-public class RewriteAppender extends AppenderSkeleton
- implements AppenderAttachable, UnrecognizedElementHandler {
- /**
- * Rewrite policy.
- */
- private RewritePolicy policy;
- /**
- * Nested appenders.
- */
- private final AppenderAttachableImpl appenders;
-
- public RewriteAppender() {
- appenders = new AppenderAttachableImpl();
- }
-
- /**
- * {@inheritDoc}
- */
- protected void append(final LoggingEvent event) {
- LoggingEvent rewritten = event;
- if (policy != null) {
- rewritten = policy.rewrite(event);
- }
- if (rewritten != null) {
- synchronized (appenders) {
- appenders.appendLoopOnAppenders(rewritten);
- }
- }
- }
-
- /**
- * Add appender.
- *
- * @param newAppender appender to add, may not be null.
- */
- public void addAppender(final Appender newAppender) {
- synchronized (appenders) {
- appenders.addAppender(newAppender);
- }
- }
-
- /**
- * Get iterator over attached appenders.
- * @return iterator or null if no attached appenders.
- */
- public Enumeration getAllAppenders() {
- synchronized (appenders) {
- return appenders.getAllAppenders();
- }
- }
-
- /**
- * Get appender by name.
- *
- * @param name name, may not be null.
- * @return matching appender or null.
- */
- public Appender getAppender(final String name) {
- synchronized (appenders) {
- return appenders.getAppender(name);
- }
- }
-
-
- /**
- * Close this <code>AsyncAppender</code> by interrupting the dispatcher
- * thread which will process all pending events before exiting.
- */
- public void close() {
- closed = true;
- //
- // close all attached appenders.
- //
- synchronized (appenders) {
- Enumeration iter = appenders.getAllAppenders();
-
- if (iter != null) {
- while (iter.hasMoreElements()) {
- Object next = iter.nextElement();
-
- if (next instanceof Appender) {
- ((Appender) next).close();
- }
- }
- }
- }
- }
-
- /**
- * Determines if specified appender is attached.
- * @param appender appender.
- * @return true if attached.
- */
- public boolean isAttached(final Appender appender) {
- synchronized (appenders) {
- return appenders.isAttached(appender);
- }
- }
-
- /**
- * {@inheritDoc}
- */
- public boolean requiresLayout() {
- return false;
- }
-
- /**
- * Removes and closes all attached appenders.
- */
- public void removeAllAppenders() {
- synchronized (appenders) {
- appenders.removeAllAppenders();
- }
- }
-
- /**
- * Removes an appender.
- * @param appender appender to remove.
- */
- public void removeAppender(final Appender appender) {
- synchronized (appenders) {
- appenders.removeAppender(appender);
- }
- }
-
- /**
- * Remove appender by name.
- * @param name name.
- */
- public void removeAppender(final String name) {
- synchronized (appenders) {
- appenders.removeAppender(name);
- }
- }
-
-
- public void setRewritePolicy(final RewritePolicy rewritePolicy) {
- policy = rewritePolicy;
- }
- /**
- * {@inheritDoc}
- */
- public boolean parseUnrecognizedElement(final Element element,
- final Properties props) throws Exception {
- final String nodeName = element.getNodeName();
- if ("rewritePolicy".equals(nodeName)) {
- Object rewritePolicy =
- org.apache.log4j.xml.DOMConfigurator.parseElement(
- element, props, RewritePolicy.class);
- if (rewritePolicy != null) {
- if (rewritePolicy instanceof OptionHandler) {
- ((OptionHandler) rewritePolicy).activateOptions();
- }
- this.setRewritePolicy((RewritePolicy) rewritePolicy);
- }
- return true;
- }
- return false;
- }
-
-}
git://source.jalview.org / jalview.git / blobdiff