| 1 | package org.apache.continuum.utils; |
| 2 | |
| 3 | /* |
| 4 | * Licensed to the Apache Software Foundation (ASF) under one |
| 5 | * or more contributor license agreements. See the NOTICE file |
| 6 | * distributed with this work for additional information |
| 7 | * regarding copyright ownership. The ASF licenses this file |
| 8 | * to you under the Apache License, Version 2.0 (the |
| 9 | * "License"); you may not use this file except in compliance |
| 10 | * with the License. You may obtain a copy of the License at |
| 11 | * |
| 12 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 13 | * |
| 14 | * Unless required by applicable law or agreed to in writing, |
| 15 | * software distributed under the License is distributed on an |
| 16 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 17 | * KIND, either express or implied. See the License for the |
| 18 | * specific language governing permissions and limitations |
| 19 | * under the License. |
| 20 | */ |
| 21 | |
| 22 | import java.io.PrintWriter; |
| 23 | import java.io.StringWriter; |
| 24 | |
| 25 | /** |
| 26 | * @author <a href="mailto:trygvis@inamo.no">Trygve Laugstøl</a> |
| 27 | * @version $Id: ContinuumUtils.java 734441 2009-01-14 16:31:04Z ctan $ |
| 28 | */ |
| 29 | public class ContinuumUtils |
| 30 | { |
| 31 | public static final String EOL = System.getProperty( "line.separator" ); |
| 32 | |
| 33 | public static String throwableToString( Throwable error ) |
| 34 | { |
| 35 | if ( error == null ) |
| 36 | { |
| 37 | return ""; |
| 38 | } |
| 39 | |
| 40 | StringWriter writer = new StringWriter(); |
| 41 | |
| 42 | PrintWriter printer = new PrintWriter( writer ); |
| 43 | |
| 44 | error.printStackTrace( printer ); |
| 45 | |
| 46 | printer.flush(); |
| 47 | |
| 48 | return writer.getBuffer().toString(); |
| 49 | } |
| 50 | |
| 51 | public static String throwableMessagesToString( Throwable error ) |
| 52 | { |
| 53 | if ( error == null ) |
| 54 | { |
| 55 | return ""; |
| 56 | } |
| 57 | |
| 58 | StringBuffer buffer = new StringBuffer(); |
| 59 | |
| 60 | buffer.append( error.getMessage() ); |
| 61 | |
| 62 | error = error.getCause(); |
| 63 | |
| 64 | while ( error != null ) |
| 65 | { |
| 66 | buffer.append( EOL ); |
| 67 | |
| 68 | buffer.append( error.getMessage() ); |
| 69 | |
| 70 | error = error.getCause(); |
| 71 | } |
| 72 | |
| 73 | return buffer.toString(); |
| 74 | } |
| 75 | } |