/* | |
* 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.uima.ruta.maven; | |
import java.io.File; | |
import java.io.IOException; | |
import java.util.ArrayList; | |
import java.util.Collections; | |
import java.util.List; | |
import org.apache.maven.model.FileSet; | |
import org.apache.maven.plugin.AbstractMojo; | |
import org.apache.maven.plugin.MojoExecutionException; | |
import org.apache.maven.plugin.MojoFailureException; | |
import org.apache.maven.plugins.annotations.Component; | |
import org.apache.maven.plugins.annotations.LifecyclePhase; | |
import org.apache.maven.plugins.annotations.Mojo; | |
import org.apache.maven.plugins.annotations.Parameter; | |
import org.apache.maven.plugins.annotations.ResolutionScope; | |
import org.apache.maven.project.MavenProject; | |
import org.apache.uima.ruta.resource.MultiTreeWordList; | |
import org.codehaus.plexus.util.FileUtils; | |
import org.sonatype.plexus.build.incremental.BuildContext; | |
/** | |
* Generate descriptors from UIMA Ruta script files. | |
* | |
*/ | |
@Mojo(name = "mtwl", defaultPhase = LifecyclePhase.GENERATE_RESOURCES, requiresDependencyResolution = ResolutionScope.COMPILE) | |
public class RutaGenerateMTWLMojo extends AbstractMojo { | |
@Parameter(defaultValue = "${project}", readonly = true) | |
private MavenProject project; | |
@Component | |
private BuildContext buildContext; | |
/** | |
* The file where the generated multi tree word list will be written to. | |
*/ | |
@Parameter(defaultValue = "${project.build.directory}/generated-sources/ruta/resources/generated.mtwl", required = true) | |
private File outputFile; | |
/** | |
* The source files for the multi tree word list. | |
*/ | |
@Parameter(required = true) | |
private FileSet inputFiles; | |
/** | |
* Source file encoding. | |
*/ | |
@Parameter(defaultValue = "${project.build.sourceEncoding}", required = true) | |
private String encoding; | |
/** | |
* Compress resulting multi tree word list. | |
*/ | |
@Parameter(defaultValue = "true", required = true) | |
private boolean compress; | |
/** | |
* Remove white spaces while generating dictionaries. | |
*/ | |
@Parameter(defaultValue = "true", required = true) | |
private boolean dictRemoveWS; | |
/** | |
* Fail on error. | |
*/ | |
@Parameter(defaultValue = "true", required = true) | |
private boolean failOnError; | |
@Override | |
public void execute() throws MojoExecutionException, MojoFailureException { | |
File parentFile = outputFile.getParentFile(); | |
if (!parentFile.exists()) { | |
parentFile.mkdirs(); | |
buildContext.refresh(parentFile); | |
} | |
this.project.addCompileSourceRoot(parentFile.getPath()); | |
List<File> files = null; | |
try { | |
files = getFilesIfModifiedOrNotExists(inputFiles, outputFile, buildContext); | |
} catch (IOException e) { | |
handleError("Error accessing input files.", e); | |
} | |
if (files == null || files.isEmpty()) { | |
getLog().info("No modified files to process... skipping."); | |
return; | |
} | |
getLog().info("Processing following files: " + files.toString()); | |
MultiTreeWordList trie = null; | |
try { | |
trie = new MultiTreeWordList(files, new File(inputFiles.getDirectory()), dictRemoveWS); | |
} catch (IOException e) { | |
handleError("Error creating MTWL file.", e); | |
} | |
if (trie != null) { | |
try { | |
trie.createMTWLFile(outputFile.getAbsolutePath(), compress, encoding); | |
buildContext.refresh(outputFile); | |
} catch (IOException e) { | |
handleError("Error writing MTWL file.", e); | |
} | |
} | |
} | |
public static List<File> getFilesIfModifiedOrNotExists(FileSet fileSet, File outputFile, | |
BuildContext buildContext) throws IOException { | |
List<File> result = new ArrayList<File>(); | |
boolean exists = outputFile.exists(); | |
long outputModified = outputFile.lastModified(); | |
File directory = new File(fileSet.getDirectory()); | |
String includes = Utils.toString(fileSet.getIncludes()); | |
String excludes = Utils.toString(fileSet.getExcludes()); | |
boolean modified = false; | |
for (Object each : FileUtils.getFiles(directory, includes, excludes)) { | |
if (each instanceof File) { | |
File file = (File) each; | |
long inputModified = file.lastModified(); | |
if (inputModified > outputModified) { | |
modified = true; | |
} | |
result.add(file); | |
} | |
} | |
if (!exists || modified) { | |
return result; | |
} else { | |
return Collections.emptyList(); | |
} | |
} | |
private void handleError(String message, Exception e) throws MojoExecutionException { | |
if (failOnError) { | |
throw new MojoExecutionException(message, e); | |
} | |
getLog().error(message, e); | |
} | |
} |