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AntMojoDescriptorExtractor.java
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AntMojoDescriptorExtractor.java
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/*
* 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.maven.tools.plugin.extractor.ant;
import javax.inject.Named;
import javax.inject.Singleton;
import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.maven.plugin.descriptor.InvalidPluginDescriptorException;
import org.apache.maven.plugin.descriptor.MojoDescriptor;
import org.apache.maven.plugin.descriptor.Parameter;
import org.apache.maven.project.MavenProject;
import org.apache.maven.project.path.PathTranslator;
import org.apache.maven.tools.plugin.PluginToolsRequest;
import org.apache.maven.tools.plugin.extractor.AbstractScriptedMojoDescriptorExtractor;
import org.apache.maven.tools.plugin.extractor.ExtractionException;
import org.apache.maven.tools.plugin.extractor.GroupKey;
import org.apache.maven.tools.plugin.extractor.model.PluginMetadataParseException;
import org.apache.maven.tools.plugin.extractor.model.PluginMetadataParser;
import org.codehaus.plexus.component.repository.ComponentRequirement;
/**
* Extracts Mojo descriptors from <a href="http://ant.apache.org">Ant</a> sources.
*
* @deprecated Scripting support for mojos is deprecated and is planned tp be removed in maven 4.0
*/
@Deprecated
@Named(AntMojoDescriptorExtractor.NAME)
@Singleton
public class AntMojoDescriptorExtractor extends AbstractScriptedMojoDescriptorExtractor {
public static final String NAME = "ant";
private static final GroupKey GROUP_KEY = new GroupKey("ant", 100);
/** Default metadata file extension */
private static final String METADATA_FILE_EXTENSION = ".mojos.xml";
/** Default Ant build file extension */
private static final String SCRIPT_FILE_EXTENSION = ".build.xml";
@Override
public String getName() {
return NAME;
}
@Override
public GroupKey getGroupKey() {
return GROUP_KEY;
}
/** {@inheritDoc} */
@Override
protected List<MojoDescriptor> extractMojoDescriptorsFromMetadata(
Map<String, Set<File>> metadataFilesKeyedByBasedir, PluginToolsRequest request)
throws ExtractionException, InvalidPluginDescriptorException {
List<MojoDescriptor> descriptors = new ArrayList<>();
PluginMetadataParser parser = new PluginMetadataParser();
for (Map.Entry<String, Set<File>> entry : metadataFilesKeyedByBasedir.entrySet()) {
String basedir = entry.getKey();
Set<File> metadataFiles = entry.getValue();
for (File metadataFile : metadataFiles) {
String basename = metadataFile.getName();
basename = basename.substring(0, basename.length() - METADATA_FILE_EXTENSION.length());
File scriptFile = new File(metadataFile.getParentFile(), basename + SCRIPT_FILE_EXTENSION);
if (!scriptFile.exists()) {
throw new InvalidPluginDescriptorException("Found orphaned plugin metadata file: " + metadataFile);
}
String relativePath =
scriptFile.getPath().substring(basedir.length()).replace('\\', '/');
if (relativePath.startsWith("/")) {
relativePath = relativePath.substring(1);
}
try {
Set<MojoDescriptor> mojoDescriptors = parser.parseMojoDescriptors(metadataFile);
for (MojoDescriptor descriptor : mojoDescriptors) {
@SuppressWarnings("unchecked")
Map<String, ?> paramMap = descriptor.getParameterMap();
if (!paramMap.containsKey("basedir")) {
Parameter param = new Parameter();
param.setName("basedir");
param.setAlias("ant.basedir");
param.setExpression("${antBasedir}");
param.setDefaultValue("${basedir}");
param.setType("java.io.File");
param.setDescription("The base directory from which to execute the Ant script.");
param.setEditable(true);
param.setRequired(true);
descriptor.addParameter(param);
}
if (!paramMap.containsKey("antMessageLevel")) {
Parameter param = new Parameter();
param.setName("messageLevel");
param.setAlias("ant.messageLevel");
param.setExpression("${antMessageLevel}");
param.setDefaultValue("info");
param.setType("java.lang.String");
param.setDescription("The message-level used to tune the verbosity of Ant logging.");
param.setEditable(true);
param.setRequired(false);
descriptor.addParameter(param);
}
if (!paramMap.containsKey("project")) {
Parameter param = new Parameter();
param.setName("project");
param.setDefaultValue("${project}");
param.setType(MavenProject.class.getName());
param.setDescription(
"The current MavenProject instance, which contains classpath " + "elements.");
param.setEditable(false);
param.setRequired(true);
descriptor.addParameter(param);
}
if (!paramMap.containsKey("session")) {
Parameter param = new Parameter();
param.setName("session");
param.setDefaultValue("${session}");
param.setType("org.apache.maven.execution.MavenSession");
param.setDescription("The current MavenSession instance, which is used for "
+ "plugin-style expression resolution.");
param.setEditable(false);
param.setRequired(true);
descriptor.addParameter(param);
}
if (!paramMap.containsKey("mojoExecution")) {
Parameter param = new Parameter();
param.setName("mojoExecution");
param.setDefaultValue("${mojoExecution}");
param.setType("org.apache.maven.plugin.MojoExecution");
param.setDescription("The current Maven MojoExecution instance, which contains "
+ "information about the mojo currently executing.");
param.setEditable(false);
param.setRequired(true);
descriptor.addParameter(param);
}
@SuppressWarnings("unchecked")
List<ComponentRequirement> requirements = descriptor.getRequirements();
Map<String, ComponentRequirement> reqMap = new HashMap<>();
if (requirements != null) {
for (ComponentRequirement req : requirements) {
reqMap.put(req.getRole(), req);
}
}
if (!reqMap.containsKey(PathTranslator.class.getName())) {
ComponentRequirement req = new ComponentRequirement();
req.setRole(PathTranslator.class.getName());
descriptor.addRequirement(req);
}
String implementation = relativePath;
String dImpl = descriptor.getImplementation();
if (dImpl != null && !dImpl.isEmpty()) {
if (PluginMetadataParser.IMPL_BASE_PLACEHOLDER.equals(dImpl)) {
implementation = relativePath;
} else {
implementation = relativePath
+ dImpl.substring(PluginMetadataParser.IMPL_BASE_PLACEHOLDER.length());
}
}
descriptor.setImplementation(implementation);
descriptor.setLanguage("ant-mojo");
descriptor.setComponentComposer("map-oriented");
descriptor.setComponentConfigurator("map-oriented");
descriptor.setPluginDescriptor(request.getPluginDescriptor());
descriptors.add(descriptor);
}
} catch (PluginMetadataParseException e) {
throw new ExtractionException("Error extracting mojo descriptor from script: " + metadataFile, e);
}
}
}
return descriptors;
}
/** {@inheritDoc} */
@Override
protected String getScriptFileExtension(PluginToolsRequest request) {
return SCRIPT_FILE_EXTENSION;
}
/** {@inheritDoc} */
@Override
protected String getMetadataFileExtension(PluginToolsRequest request) {
return METADATA_FILE_EXTENSION;
}
}