diff options
Diffstat (limited to 'framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/exception/DefaultExceptionHandler.java')
| -rw-r--r-- | framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/exception/DefaultExceptionHandler.java | 336 |
1 files changed, 0 insertions, 336 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/exception/DefaultExceptionHandler.java b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/exception/DefaultExceptionHandler.java deleted file mode 100644 index 6df72c81..00000000 --- a/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/exception/DefaultExceptionHandler.java +++ /dev/null @@ -1,336 +0,0 @@ -package org.apache.maven.exception; - -/* - * 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 java.io.IOException; -import java.net.ConnectException; -import java.net.UnknownHostException; -import java.util.ArrayList; -import java.util.List; - -import org.apache.maven.lifecycle.LifecycleExecutionException; -import org.apache.maven.model.building.ModelProblem; -import org.apache.maven.model.building.ModelProblemUtils; -import org.apache.maven.plugin.AbstractMojoExecutionException; -import org.apache.maven.plugin.MojoExecutionException; -import org.apache.maven.plugin.MojoFailureException; -import org.apache.maven.plugin.PluginContainerException; -import org.apache.maven.plugin.PluginExecutionException; -import org.apache.maven.project.ProjectBuildingException; -import org.apache.maven.project.ProjectBuildingResult; -import org.codehaus.plexus.component.annotations.Component; -import org.codehaus.plexus.util.StringUtils; - -/* - -- test projects for each of these -- how to categorize the problems so that the id of the problem can be match to a page with descriptive help and the test - project -- nice little sample projects that could be run in the core as well as integration tests - -All Possible Errors -- invalid lifecycle phase (maybe same as bad CLI param, though you were talking about embedder too) -- <module> specified is not found -- malformed settings -- malformed POM -- local repository not writable -- remote repositories not available -- artifact metadata missing -- extension metadata missing -- extension artifact missing -- artifact metadata retrieval problem -- version range violation -- circular dependency -- artifact missing -- artifact retrieval exception -- md5 checksum doesn't match for local artifact, need to redownload this -- POM doesn't exist for a goal that requires one -- parent POM missing (in both the repository + relative path) -- component not found - -Plugins: -- plugin metadata missing -- plugin metadata retrieval problem -- plugin artifact missing -- plugin artifact retrieval problem -- plugin dependency metadata missing -- plugin dependency metadata retrieval problem -- plugin configuration problem -- plugin execution failure due to something that is know to possibly go wrong (like compilation failure) -- plugin execution error due to something that is not expected to go wrong (the compiler executable missing) -- asking to use a plugin for which you do not have a version defined - tools to easily select versions -- goal not found in a plugin (probably could list the ones that are) - - */ - -// PluginNotFoundException, PluginResolutionException, PluginDescriptorParsingException, -// CycleDetectedInPluginGraphException; - -@Component( role = ExceptionHandler.class ) -public class DefaultExceptionHandler - implements ExceptionHandler -{ - - public ExceptionSummary handleException( Throwable exception ) - { - return handle( "", exception ); - } - - private ExceptionSummary handle( String message, Throwable exception ) - { - String reference = getReference( exception ); - - List<ExceptionSummary> children = null; - - if ( exception instanceof ProjectBuildingException ) - { - List<ProjectBuildingResult> results = ( (ProjectBuildingException) exception ).getResults(); - - children = new ArrayList<ExceptionSummary>(); - - for ( ProjectBuildingResult result : results ) - { - ExceptionSummary child = handle( result ); - if ( child != null ) - { - children.add( child ); - } - } - - message = "The build could not read " + children.size() + " project" + ( children.size() == 1 ? "" : "s" ); - } - else - { - message = getMessage( message, exception ); - } - - return new ExceptionSummary( exception, message, reference, children ); - } - - private ExceptionSummary handle( ProjectBuildingResult result ) - { - List<ExceptionSummary> children = new ArrayList<ExceptionSummary>(); - - for ( ModelProblem problem : result.getProblems() ) - { - ExceptionSummary child = handle( problem, result.getProjectId() ); - if ( child != null ) - { - children.add( child ); - } - } - - if ( children.isEmpty() ) - { - return null; - } - - String message = - "\nThe project " + result.getProjectId() + " (" + result.getPomFile() + ") has " - + children.size() + " error" + ( children.size() == 1 ? "" : "s" ); - - return new ExceptionSummary( null, message, null, children ); - } - - private ExceptionSummary handle( ModelProblem problem, String projectId ) - { - if ( ModelProblem.Severity.ERROR.compareTo( problem.getSeverity() ) >= 0 ) - { - String message = problem.getMessage(); - - String location = ModelProblemUtils.formatLocation( problem, projectId ); - - if ( StringUtils.isNotEmpty( location ) ) - { - message += " @ " + location; - } - - return handle( message, problem.getException() ); - } - else - { - return null; - } - } - - private String getReference( Throwable exception ) - { - String reference = ""; - - if ( exception != null ) - { - if ( exception instanceof MojoExecutionException ) - { - reference = MojoExecutionException.class.getSimpleName(); - - Throwable cause = exception.getCause(); - if ( cause instanceof IOException ) - { - cause = cause.getCause(); - if ( cause instanceof ConnectException ) - { - reference = ConnectException.class.getSimpleName(); - } - } - } - else if ( exception instanceof MojoFailureException ) - { - reference = MojoFailureException.class.getSimpleName(); - } - else if ( exception instanceof LinkageError ) - { - reference = LinkageError.class.getSimpleName(); - } - else if ( exception instanceof PluginExecutionException ) - { - Throwable cause = exception.getCause(); - - if ( cause instanceof PluginContainerException ) - { - Throwable cause2 = cause.getCause(); - - if ( cause2 instanceof NoClassDefFoundError - && cause2.getMessage().contains( "org/sonatype/aether/" ) ) - { - reference = "AetherClassNotFound"; - } - } - - if ( StringUtils.isEmpty( reference ) ) - { - reference = getReference( cause ); - } - - if ( StringUtils.isEmpty( reference ) ) - { - reference = exception.getClass().getSimpleName(); - } - } - else if ( exception instanceof LifecycleExecutionException ) - { - reference = getReference( exception.getCause() ); - } - else if ( isNoteworthyException( exception ) ) - { - reference = exception.getClass().getSimpleName(); - } - } - - if ( StringUtils.isNotEmpty( reference ) && !reference.startsWith( "http:" ) ) - { - reference = "http://cwiki.apache.org/confluence/display/MAVEN/" + reference; - } - - return reference; - } - - private boolean isNoteworthyException( Throwable exception ) - { - if ( exception == null ) - { - return false; - } - else if ( exception instanceof Error ) - { - return true; - } - else if ( exception instanceof RuntimeException ) - { - return false; - } - else if ( exception.getClass().getName().startsWith( "java" ) ) - { - return false; - } - return true; - } - - private String getMessage( String message, Throwable exception ) - { - String fullMessage = ( message != null ) ? message : ""; - - for ( Throwable t = exception; t != null; t = t.getCause() ) - { - String exceptionMessage = t.getMessage(); - - if ( t instanceof AbstractMojoExecutionException ) - { - String longMessage = ( (AbstractMojoExecutionException) t ).getLongMessage(); - if ( StringUtils.isNotEmpty( longMessage ) ) - { - if ( StringUtils.isEmpty( exceptionMessage ) || longMessage.contains( exceptionMessage ) ) - { - exceptionMessage = longMessage; - } - else if ( !exceptionMessage.contains( longMessage ) ) - { - exceptionMessage = join( exceptionMessage, '\n' + longMessage ); - } - } - } - - if ( StringUtils.isEmpty( exceptionMessage ) ) - { - exceptionMessage = t.getClass().getSimpleName(); - } - - if ( t instanceof UnknownHostException && !fullMessage.contains( "host" ) ) - { - fullMessage = join( fullMessage, "Unknown host " + exceptionMessage ); - } - else if ( !fullMessage.contains( exceptionMessage ) ) - { - fullMessage = join( fullMessage, exceptionMessage ); - } - } - - return fullMessage.trim(); - } - - private String join( String message1, String message2 ) - { - String message = ""; - - if ( StringUtils.isNotEmpty( message1 ) ) - { - message = message1.trim(); - } - - if ( StringUtils.isNotEmpty( message2 ) ) - { - if ( StringUtils.isNotEmpty( message ) ) - { - if ( message.endsWith( "." ) || message.endsWith( "!" ) || message.endsWith( ":" ) ) - { - message += " "; - } - else - { - message += ": "; - } - } - - message += message2; - } - - return message; - } - -} |