001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache license, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the license for the specific language governing permissions and 015 * limitations under the license. 016 */ 017package org.apache.logging.log4j.core.appender.db.nosql.couchdb; 018 019import java.util.Map; 020 021import org.apache.logging.log4j.core.appender.AppenderLoggingException; 022import org.apache.logging.log4j.core.appender.db.nosql.NoSQLConnection; 023import org.apache.logging.log4j.core.appender.db.nosql.NoSQLObject; 024import org.lightcouch.CouchDbClient; 025import org.lightcouch.Response; 026 027/** 028 * The Apache CouchDB implementation of {@link NoSQLConnection}. 029 */ 030public final class CouchDBConnection implements NoSQLConnection<Map<String, Object>, CouchDBObject> { 031 private final CouchDbClient client; 032 private boolean closed = false; 033 034 public CouchDBConnection(final CouchDbClient client) { 035 this.client = client; 036 } 037 038 @Override 039 public CouchDBObject createObject() { 040 return new CouchDBObject(); 041 } 042 043 @Override 044 public CouchDBObject[] createList(final int length) { 045 return new CouchDBObject[length]; 046 } 047 048 @Override 049 public void insertObject(final NoSQLObject<Map<String, Object>> object) { 050 try { 051 final Response response = this.client.save(object.unwrap()); 052 if (response.getError() != null && response.getError().length() > 0) { 053 throw new AppenderLoggingException("Failed to write log event to CouchDB due to error: " + 054 response.getError() + "."); 055 } 056 } catch (final Exception e) { 057 throw new AppenderLoggingException("Failed to write log event to CouchDB due to error: " + e.getMessage(), 058 e); 059 } 060 } 061 062 @Override 063 public synchronized void close() { 064 this.closed = true; 065 this.client.shutdown(); 066 } 067 068 @Override 069 public synchronized boolean isClosed() { 070 return this.closed; 071 } 072}