| /* |
| * 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.chemistry.opencmis.server.shared; |
| |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| |
| import org.apache.chemistry.opencmis.commons.impl.XMLUtils; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| |
| public final class ExceptionHelper { |
| |
| public static final String STACK_TRACE_PROPERTY = "org.apache.chemistry.opencmis.stacktrace.disable"; |
| |
| private static final boolean SEND_STACK_TRACE; |
| |
| static { |
| SEND_STACK_TRACE = System.getProperty(STACK_TRACE_PROPERTY) == null; |
| } |
| |
| private ExceptionHelper() { |
| } |
| |
| /** |
| * Returns the stack trace as string. |
| */ |
| public static String getStacktraceAsString(Throwable t) { |
| if (!SEND_STACK_TRACE || t == null) { |
| return null; |
| } |
| |
| StringWriter sw = new StringWriter(); |
| PrintWriter pw = new PrintWriter(sw); |
| |
| t.printStackTrace(pw); |
| |
| return sw.toString(); |
| } |
| |
| /** |
| * Returns the stack trace as DOM node. |
| */ |
| public static Node getStacktraceAsNode(Throwable t) { |
| try { |
| String st = getStacktraceAsString(t); |
| if (st != null) { |
| Document doc = XMLUtils.newDomDocument(); |
| |
| Element node = doc.createElementNS("http://chemistry.apache.org/opencmis/exception", "stacktrace"); |
| doc.appendChild(node); |
| |
| node.appendChild(doc.createTextNode(st)); |
| |
| return node; |
| } |
| } catch (Exception e) { |
| assert false; |
| } |
| |
| return null; |
| } |
| } |