| package org.apache.maven.scm.provider.integrity; |
| |
| /* |
| * 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. |
| */ |
| |
| import com.mks.api.response.APIException; |
| import com.mks.api.response.Response; |
| import com.mks.api.response.WorkItemIterator; |
| import com.mks.api.response.InterruptedException; |
| |
| /** |
| * Helper class to appropriately diagnose an APIException |
| * @author <a href="mailto:cletus@mks.com">Cletus D'Souza</a> |
| */ |
| public class ExceptionHandler |
| { |
| // Private variables to provide diagnostics on the exception |
| private String message; |
| private String command; |
| private int exitCode; |
| |
| /** |
| * Constructor requires a single APIException to debug |
| * @param ex APIException |
| */ |
| public ExceptionHandler( APIException ex ) |
| { |
| |
| // API Exceptions can be nested. Hence we will need to recurse the |
| // exception hierarchy to dig for a conclusive message |
| Response response = ex.getResponse(); |
| |
| // Print the stack trace to standard out for debugging purposes |
| ex.printStackTrace(); |
| |
| // The API failed to execute the command (i.e. a real API error) |
| if ( null == response ) |
| { |
| message = ex.getMessage(); |
| command = new java.lang.String(); |
| //exitCode = Integer.parseInt(ex.getExceptionId()); |
| exitCode = -1; |
| } |
| else |
| { |
| command = response.getCommandString(); |
| try |
| { |
| exitCode = response.getExitCode(); |
| } |
| catch ( InterruptedException ie ) |
| { |
| // Just print out the stack trace |
| ie.printStackTrace(); |
| exitCode = -1; |
| } |
| WorkItemIterator wit = response.getWorkItems(); |
| // In the event there is a problem with one of the command's elements |
| // we have to dig deeper into the exception... |
| try |
| { |
| while ( wit.hasNext() ) |
| { |
| wit.next(); |
| } |
| // If we got here then just extract the message |
| if ( ex.getMessage() != null ) |
| { |
| message = ex.getMessage(); |
| } |
| } |
| catch ( APIException ae ) |
| { |
| // This message will be the real reason for the exception |
| String curMessage = ae.getMessage(); |
| if ( curMessage != null ) |
| { |
| message = curMessage; |
| } |
| ae.printStackTrace(); |
| } |
| } |
| } |
| |
| /** |
| * Returns the Message obtained from the APIException |
| * @return message APIException String |
| */ |
| public String getMessage() |
| { |
| return message; |
| } |
| |
| /** |
| * Returns the executed command that caused the exception |
| * @return command Complete CLI Command String |
| */ |
| public String getCommand() |
| { |
| return command; |
| } |
| |
| /** |
| * Returns the exit codes associated with executing the command |
| * @return exitCode API/CLI Exit Code |
| */ |
| public int getExitCode() |
| { |
| return exitCode; |
| } |
| } |