001/* 002 * (C) Copyright 2013 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Stephane Lacoin 018 */ 019package org.nuxeo.ecm.core.management.jtajca; 020 021import java.io.ByteArrayOutputStream; 022import java.io.IOException; 023import java.io.PrintStream; 024 025import javax.management.MalformedObjectNameException; 026import javax.management.ObjectName; 027 028import org.nuxeo.ecm.core.api.CoreSessionService.CoreSessionRegistrationInfo; 029 030public class Defaults { 031 032 public static final Defaults instance = new Defaults(); 033 034 public String name(Class<?> clazz) { 035 return name(clazz, "default"); 036 } 037 038 public String name(Class<?> clazz, String name) { 039 return clazz.getPackage().getName() + ":type=" + clazz.getSimpleName() + ",name=" + name; 040 } 041 042 public ObjectName objectName(Class<?> clazz, String name) { 043 try { 044 return new ObjectName(name(clazz, name)); 045 } catch (MalformedObjectNameException e) { 046 throw new UnsupportedOperationException("Cannot build " + name, e); 047 } 048 } 049 050 public String printStackTrace(CoreSessionRegistrationInfo info) { 051 try (ByteArrayOutputStream bos = new ByteArrayOutputStream();) { 052 info.printStackTrace(new PrintStream(bos)); 053 return bos.toString(); 054 } catch (IOException e) { 055 throw new RuntimeException("Cannot write stack to byte array", e); 056 } 057 } 058}