Java tutorial
/** * Copyright (C) 2014 BigLoupe http://bigloupe.github.io/SoS-JobScheduler/ * * Licensed 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 */ /********************************************************* begin of preamble ** ** Copyright (C) 2003-2012 Software- und Organisations-Service GmbH. ** All rights reserved. ** ** This file may be used under the terms of either the ** ** GNU General Public License version 2.0 (GPL) ** ** as published by the Free Software Foundation ** http://www.gnu.org/licenses/gpl-2.0.txt and appearing in the file ** LICENSE.GPL included in the packaging of this file. ** ** or the ** ** Agreement for Purchase and Licensing ** ** as offered by Software- und Organisations-Service GmbH ** in the respective terms of supply that ship with this file. ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS ** IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, ** THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR ** PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS ** BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR ** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF ** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS ** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN ** CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ** ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE ** POSSIBILITY OF SUCH DAMAGE. ********************************************************** end of preamble*/ package com.sos.scheduler.engine.kernel.event; import com.google.common.base.Joiner; import com.google.common.collect.ImmutableList; public class SimpleMessage implements Message { private final String code; private final ImmutableList<String> insertions; public SimpleMessage(String code, Object... insertions) { this.code = code; this.insertions = listOfInsertions(insertions); } private static ImmutableList<String> listOfInsertions(Object[] insertions) { ImmutableList.Builder<String> result = new ImmutableList.Builder<String>(); //insertions.length); for (Object o : insertions) result.add(failsafeToString(o)); return result.build(); } @Override public final String getCode() { return code; } @Override public final String toString() { return insertions.isEmpty() ? code : code + " " + Joiner.on(", ").join(insertions); } private static String failsafeToString(Object o) { try { return o.toString(); } catch (Throwable x) { return "[" + o.getClass().getName() + ": ERROR " + x + "]"; } } }