Java tutorial
/* * Copyright 2013 the original author or authors. * * Licensed 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. */ package org.gradle.api.publish.maven.internal.artifact; import com.google.common.base.Strings; import org.gradle.api.internal.tasks.AbstractTaskDependency; import org.gradle.api.internal.tasks.DefaultTaskDependency; import org.gradle.api.internal.tasks.TaskDependencyInternal; import org.gradle.api.internal.tasks.TaskDependencyResolveContext; import org.gradle.api.publish.maven.MavenArtifact; import org.gradle.api.tasks.TaskDependency; import java.io.File; public abstract class AbstractMavenArtifact implements MavenArtifact { private final TaskDependency allBuildDependencies; private final DefaultTaskDependency additionalBuildDependencies; private String extension; private String classifier; protected AbstractMavenArtifact() { this.additionalBuildDependencies = new DefaultTaskDependency(); this.allBuildDependencies = new CompositeTaskDependency(); } public abstract File getFile(); public final String getExtension() { return extension != null ? extension : getDefaultExtension(); } protected abstract String getDefaultExtension(); public final void setExtension(String extension) { this.extension = Strings.nullToEmpty(extension); } public final String getClassifier() { return Strings.emptyToNull(classifier != null ? classifier : getDefaultClassifier()); } protected abstract String getDefaultClassifier(); public final void setClassifier(String classifier) { this.classifier = Strings.nullToEmpty(classifier); } public final void builtBy(Object... tasks) { additionalBuildDependencies.add(tasks); } public final TaskDependency getBuildDependencies() { return allBuildDependencies; } protected abstract TaskDependencyInternal getDefaultBuildDependencies(); @Override public final String toString() { return getClass().getSimpleName() + " " + getExtension() + ":" + getClassifier(); } private class CompositeTaskDependency extends AbstractTaskDependency { @Override public void visitDependencies(TaskDependencyResolveContext context) { getDefaultBuildDependencies().visitDependencies(context); additionalBuildDependencies.visitDependencies(context); } } }