Java tutorial
package org.apache.maven.model.resolution; /* * 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. */ /** * Signals an error when resolving the path to an external model. * * @author Benjamin Bentmann */ public class UnresolvableModelException extends Exception { /** * The group id of the unresolvable model. */ private final String groupId; /** * The artifact id of the unresolvable model. */ private final String artifactId; /** * The version of the unresolvable model. */ private final String version; /** * Creates a new exception with specified detail message and cause. * * @param message The detail message, may be {@code null}. * @param groupId The group id of the unresolvable model, may be {@code null}. * @param artifactId The artifact id of the unresolvable model, may be {@code null}. * @param version The version of the unresolvable model, may be {@code null}. * @param cause The cause, may be {@code null}. */ public UnresolvableModelException(String message, String groupId, String artifactId, String version, Throwable cause) { super(message, cause); this.groupId = (groupId != null) ? groupId : ""; this.artifactId = (artifactId != null) ? artifactId : ""; this.version = (version != null) ? version : ""; } /** * Creates a new exception with specified detail message. * * @param message The detail message, may be {@code null}. * @param groupId The group id of the unresolvable model, may be {@code null}. * @param artifactId The artifact id of the unresolvable model, may be {@code null}. * @param version The version of the unresolvable model, may be {@code null}. */ public UnresolvableModelException(String message, String groupId, String artifactId, String version) { super(message); this.groupId = (groupId != null) ? groupId : ""; this.artifactId = (artifactId != null) ? artifactId : ""; this.version = (version != null) ? version : ""; } /** * Creates a new exception with specified cause * * @param cause * @param groupId * @param artifactId * @param version */ public UnresolvableModelException(Throwable cause, String groupId, String artifactId, String version) { super(cause); this.groupId = groupId; this.artifactId = artifactId; this.version = version; } /** * Gets the group id of the unresolvable model. * * @return The group id of the unresolvable model, can be empty but never {@code null}. */ public String getGroupId() { return groupId; } /** * Gets the artifact id of the unresolvable model. * * @return The artifact id of the unresolvable model, can be empty but never {@code null}. */ public String getArtifactId() { return artifactId; } /** * Gets the version of the unresolvable model. * * @return The version of the unresolvable model, can be empty but never {@code null}. */ public String getVersion() { return version; } }