diff options
Diffstat (limited to 'framework/src/maven/apache-maven-3.3.3/maven-settings-builder/src/main/java/org/apache/maven/settings/building/SettingsBuildingException.java')
-rw-r--r-- | framework/src/maven/apache-maven-3.3.3/maven-settings-builder/src/main/java/org/apache/maven/settings/building/SettingsBuildingException.java | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-settings-builder/src/main/java/org/apache/maven/settings/building/SettingsBuildingException.java b/framework/src/maven/apache-maven-3.3.3/maven-settings-builder/src/main/java/org/apache/maven/settings/building/SettingsBuildingException.java new file mode 100644 index 00000000..f7d48e4b --- /dev/null +++ b/framework/src/maven/apache-maven-3.3.3/maven-settings-builder/src/main/java/org/apache/maven/settings/building/SettingsBuildingException.java @@ -0,0 +1,90 @@ +package org.apache.maven.settings.building; + +/* + * 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.PrintWriter; +import java.io.StringWriter; +import java.util.ArrayList; +import java.util.List; + +/** + * Signals one ore more errors during settings building. The settings builder tries to collect as many problems as + * possible before eventually failing to provide callers with rich error information. Use {@link #getProblems()} to + * query the details of the failure. + * + * @author Benjamin Bentmann + */ +public class SettingsBuildingException + extends Exception +{ + + private final List<SettingsProblem> problems; + + /** + * Creates a new exception with the specified problems. + * + * @param problems The problems that causes this exception, may be {@code null}. + */ + public SettingsBuildingException( List<SettingsProblem> problems ) + { + super( toMessage( problems ) ); + + this.problems = new ArrayList<SettingsProblem>(); + if ( problems != null ) + { + this.problems.addAll( problems ); + } + } + + /** + * Gets the problems that caused this exception. + * + * @return The problems that caused this exception, never {@code null}. + */ + public List<SettingsProblem> getProblems() + { + return problems; + } + + private static String toMessage( List<SettingsProblem> problems ) + { + StringWriter buffer = new StringWriter( 1024 ); + + PrintWriter writer = new PrintWriter( buffer ); + + writer.print( problems.size() ); + writer.print( ( problems.size() == 1 ) ? " problem was " : " problems were " ); + writer.print( "encountered while building the effective settings" ); + writer.println(); + + for ( SettingsProblem problem : problems ) + { + writer.print( "[" ); + writer.print( problem.getSeverity() ); + writer.print( "] " ); + writer.print( problem.getMessage() ); + writer.print( " @ " ); + writer.println( problem.getLocation() ); + } + + return buffer.toString(); + } + +} |