| /* |
| * 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.servicemix.kernel.gshell.log; |
| |
| import org.apache.geronimo.gshell.clp.Option; |
| import org.apache.servicemix.kernel.gshell.core.OsgiCommandSupport; |
| import org.apache.servicemix.kernel.gshell.log.layout.PatternConverter; |
| import org.apache.servicemix.kernel.gshell.log.layout.PatternParser; |
| import org.ops4j.pax.logging.spi.PaxLoggingEvent; |
| |
| /** |
| * Displays the last log entries |
| */ |
| public class DisplayLog extends OsgiCommandSupport { |
| |
| @Option(name = "-n", description="Number of entries to display") |
| protected int entries; |
| |
| @Option(name = "-p", description="Output formatting pattern") |
| protected String overridenPattern; |
| |
| protected String pattern; |
| |
| protected LruList<PaxLoggingEvent> events; |
| |
| public LruList<PaxLoggingEvent> getEvents() { |
| return events; |
| } |
| |
| public void setEvents(LruList<PaxLoggingEvent> events) { |
| this.events = events; |
| } |
| |
| public String getPattern() { |
| return pattern; |
| } |
| |
| public void setPattern(String pattern) { |
| this.pattern = pattern; |
| } |
| |
| protected Object doExecute() throws Exception { |
| PatternConverter cnv = new PatternParser(overridenPattern != null ? overridenPattern : pattern).parse(); |
| |
| Iterable<PaxLoggingEvent> le = events.getElements(entries == 0 ? Integer.MAX_VALUE : entries); |
| StringBuffer sb = new StringBuffer(); |
| for (PaxLoggingEvent event : le) { |
| sb.setLength(0); |
| for (PatternConverter pc = cnv; pc != null; pc = pc.next) { |
| pc.format(sb, event); |
| } |
| io.out.print(sb.toString()); |
| if (event.getThrowableStrRep() != null) { |
| for (String r : event.getThrowableStrRep()) { |
| io.out.println(r); |
| } |
| } |
| } |
| io.out.println(); |
| |
| return Result.SUCCESS; |
| } |
| |
| } |