| /* |
| * 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. |
| */ |
| package org.apache.gora.maven.plugin; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.avro.SchemaParseException; |
| import org.apache.gora.compiler.GoraCompiler; |
| import org.apache.maven.plugin.AbstractMojo; |
| import org.apache.maven.plugin.MojoExecutionException; |
| import org.apache.maven.plugins.annotations.Component; |
| import org.apache.maven.plugins.annotations.Parameter; |
| import org.apache.maven.project.MavenProject; |
| import org.codehaus.jackson.JsonLocation; |
| import org.codehaus.jackson.JsonParseException; |
| import org.codehaus.plexus.util.Scanner; |
| import org.sonatype.plexus.build.incremental.BuildContext; |
| |
| public abstract class AbstractGoraMojo extends AbstractMojo { |
| |
| /** |
| * License to chose for created files. |
| * |
| * Currently ignored, as schema compiler does not support this parameter |
| * yet. |
| */ |
| @Parameter(defaultValue = "ASLv2") |
| protected String license; |
| |
| /** |
| * Patterns for file inclusion |
| */ |
| @Parameter(defaultValue = "*.json") |
| protected String[] includes; |
| |
| /** |
| * Patterns for file exclusion |
| */ |
| @Parameter(defaultValue = ".*") |
| protected String[] excludes; |
| |
| @Component |
| protected MavenProject project; |
| |
| @Component |
| protected BuildContext context; |
| |
| public AbstractGoraMojo() { |
| super(); |
| } |
| |
| protected void compile() throws IOException { |
| File sourceDirectory = getSourcesDirectory(); |
| File outputDirectory = getOutputDirectory(); |
| |
| if (!outputDirectory.exists()) { |
| outputDirectory.mkdirs(); |
| } |
| |
| Scanner fileScanner = context.newScanner(sourceDirectory, true); |
| fileScanner.setIncludes(includes); |
| fileScanner.setExcludes(excludes); |
| fileScanner.scan(); |
| File basedir = fileScanner.getBasedir(); |
| |
| List<File> changedFiles = new ArrayList<File>(); |
| for (String fileName : fileScanner.getIncludedFiles()) { |
| File file = new File(basedir, fileName); |
| changedFiles.add(file); |
| context.removeMessages(file); |
| } |
| if (!changedFiles.isEmpty()) { |
| try { |
| File[] schemaFile = changedFiles.toArray(new File[changedFiles.size()]); |
| GoraCompiler.compileSchema(schemaFile, outputDirectory); |
| } catch (SchemaParseException e) { |
| if (e.getCause() != null && e.getCause() instanceof JsonParseException) { |
| attachErrorMessage((JsonParseException) e.getCause()); |
| } else { |
| throw e; |
| } |
| } |
| } |
| context.refresh(outputDirectory); |
| } |
| |
| private void attachErrorMessage(JsonParseException e) { |
| JsonLocation location = e.getLocation(); |
| File file; |
| if (location.getSourceRef() instanceof File) { |
| file = (File) location.getSourceRef(); |
| } else { |
| file = null; |
| } |
| context.addMessage(file, location.getLineNr(), location.getColumnNr(), e.getLocalizedMessage(), BuildContext.SEVERITY_ERROR, e); |
| } |
| |
| @Override |
| public void execute() throws MojoExecutionException { |
| try { |
| compile(); |
| registerSourceDirectory(project, getSourcesDirectory().getPath()); |
| registerSourceDirectory(project, getOutputDirectory().getPath()); |
| } catch (IOException e) { |
| throw new MojoExecutionException( |
| "Could not compile schema in " + getSourcesDirectory(), e); |
| } |
| } |
| |
| protected abstract File getSourcesDirectory(); |
| |
| protected abstract File getOutputDirectory(); |
| |
| /** |
| * Register the given path as a source directory. |
| * |
| * The directory will be used as input for the compilation step, as well as |
| * shown as a source folder in IDEs. |
| * |
| * @param project |
| * project descriptor |
| * @param path |
| * relative path to a source directory |
| */ |
| protected abstract void registerSourceDirectory(MavenProject project, String path); |
| } |