| /* |
| * Copyright 2012 International Business Machines Corp. |
| * |
| * See the NOTICE file distributed with this work for additional information |
| * regarding copyright ownership. 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. |
| */ |
| package org.apache.batchee.container.impl.controller.chunk; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentMap; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| import org.apache.batchee.container.exception.BatchContainerRuntimeException; |
| |
| public class ExceptionConfig { |
| private final static Logger logger = Logger.getLogger(ExceptionConfig.class.getName()); |
| |
| protected final Set<String> includes = new HashSet<String>(); |
| protected final Set<String> excludes = new HashSet<String>(); |
| private final ConcurrentMap<Class<? extends Exception>, Boolean> cache = new ConcurrentHashMap<Class<? extends Exception>, Boolean>(); |
| |
| /** |
| * Helper method to wrap unknown Exceptions into a {@link org.apache.batchee.container.exception.BatchContainerRuntimeException}. |
| * This method can be used to handle Exceptions which are actually already catched inside of our proxies. |
| */ |
| public static void wrapBatchException(Exception e) { |
| if (e instanceof RuntimeException) { |
| throw (RuntimeException) e; |
| } else { |
| throw new BatchContainerRuntimeException(e); |
| } |
| } |
| |
| public Set<String> getIncludes() { |
| return includes; |
| } |
| |
| public Set<String> getExcludes() { |
| return excludes; |
| } |
| |
| public boolean accept(final Exception e) { |
| if (e == null) { |
| return false; |
| } |
| |
| final Class<? extends Exception> key = e.getClass(); |
| final Boolean computed = cache.get(key); |
| if (computed != null) { |
| return computed; |
| } |
| |
| final int includeScore = contains(includes, e); |
| final int excludeScore = contains(excludes, e); |
| |
| if (excludeScore < 0) { |
| final boolean result = includeScore >= 0; |
| cache.putIfAbsent(key, result); |
| return result; |
| } |
| |
| final boolean result = includeScore >= 0 && includeScore - excludeScore <= 0; |
| cache.putIfAbsent(key, result); |
| return result; |
| } |
| |
| private static int contains(final Set<String> list, final Exception e) { |
| final ClassLoader tccl = Thread.currentThread().getContextClassLoader(); |
| int score = -1; |
| for (final String exClassName : list) { |
| try { |
| final Class<?> aClass = tccl.loadClass(exClassName); |
| if (aClass.isInstance(e)) { |
| final int thisScore = score(aClass, e.getClass()); |
| if (score < 0) { |
| score = thisScore; |
| } else { |
| score = Math.min(thisScore, score); |
| } |
| } |
| } catch (final ClassNotFoundException cnfe) { |
| logger.log(Level.WARNING, "Class {0} not found! Maybe there is a typo in yout skippable-exception-classes or repeatable-exception-classes?"); |
| } catch (final NoClassDefFoundError ncdfe) { |
| throw new BatchContainerRuntimeException("Cannot load parts of the class defined in the batch jobs XML: " + exClassName, ncdfe); |
| } |
| } |
| |
| return score; |
| } |
| |
| private static int score(final Class<?> config, final Class<?> ex) { |
| int score = 0; |
| Class<?> current = ex; |
| while (current != null && !current.equals(config)) { |
| score++; |
| current = current.getSuperclass(); |
| } |
| return score; |
| } |
| |
| } |