org.apache.cayenne.tools.CayenneGeneratorMojo Maven / Gradle / Ivy
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package org.apache.cayenne.tools;
import org.apache.cayenne.dbsync.filter.NamePatternMatcher;
import org.apache.cayenne.gen.ClassGenerationAction;
import org.apache.cayenne.gen.ClientClassGenerationAction;
import org.apache.cayenne.map.DataMap;
import org.apache.commons.logging.Log;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import java.io.File;
import java.io.FilenameFilter;
/**
* Maven mojo to perform class generation from data map. This class is an Maven
* adapter to DefaultClassGenerator class.
*
* @since 3.0
*/
@Mojo(name = "cgen", defaultPhase = LifecyclePhase.GENERATE_SOURCES)
public class CayenneGeneratorMojo extends AbstractMojo {
public static final File[] NO_FILES = new File[0];
/**
* Path to additional DataMap XML files to use for class generation.
*/
@Parameter
private File additionalMaps;
/**
* Whether we are generating classes for the client tier in a Remote Object
* Persistence application. Default is false.
*/
@Parameter(defaultValue = "false")
private boolean client;
/**
* Destination directory for Java classes (ignoring their package names).
*/
@Parameter(defaultValue = "${project.build.sourceDirectory}")
private File destDir;
/**
* Specify generated file encoding if different from the default on current
* platform. Target encoding must be supported by the JVM running Maven
* build. Standard encodings supported by Java on all platforms are
* US-ASCII, ISO-8859-1, UTF-8, UTF-16BE, UTF-16LE, UTF-16. See Sun Java
* Docs for java.nio.charset.Charset for more information.
*/
@Parameter
private String encoding;
/**
* Entities (expressed as a perl5 regex) to exclude from template
* generation. (Default is to include all entities in the DataMap).
*/
@Parameter
private String excludeEntities;
/**
* Entities (expressed as a perl5 regex) to include in template generation.
* (Default is to include all entities in the DataMap).
*/
@Parameter
private String includeEntities;
/**
* If set to true, will generate subclass/superclass pairs,
* with all generated code included in superclass (default is
* true).
*/
@Parameter(defaultValue = "true")
private boolean makePairs;
/**
* DataMap XML file to use as a base for class generation.
*/
@Parameter(required = true)
private File map;
/**
* Specifies generator iteration target. "entity" performs one
* iteration for each selected entity. "datamap" performs one
* iteration per datamap (This is always one iteration since cgen currently
* supports specifying one-and-only-one datamap). (Default is "entity")
*/
@Parameter(defaultValue = "entity")
private String mode;
/**
* Name of file for generated output. (Default is "*.java")
*/
@Parameter(defaultValue = "*.java")
private String outputPattern;
/**
* If set to true, will overwrite older versions of generated
* classes. Ignored unless makepairs is set to false.
*/
@Parameter(defaultValue = "false")
private boolean overwrite;
/**
* Java package name of generated superclasses. Ignored unless
* makepairs set to true. If omitted, each
* superclass will be assigned the same package as subclass. Note that
* having superclass in a different package would only make sense when
* usepkgpath is set to true. Otherwise classes
* from different packages will end up in the same directory.
*/
@Parameter
private String superPkg;
/**
* Location of Velocity template file for Entity superclass generation.
* Ignored unless makepairs set to true. If
* omitted, default template is used.
*/
@Parameter
private String superTemplate;
/**
* Location of Velocity template file for Entity class generation. If
* omitted, default template is used.
*/
@Parameter
private String template;
/**
* Location of Velocity template file for Embeddable superclass generation.
* Ignored unless makepairs set to true. If
* omitted, default template is used.
*/
@Parameter
private String embeddableSuperTemplate;
/**
* Location of Velocity template file for Embeddable class generation. If
* omitted, default template is used.
*/
@Parameter
private String embeddableTemplate;
/**
* If set to true (default), a directory tree will be generated
* in "destDir" corresponding to the class package structure, if set to
* false, classes will be generated in "destDir"
* ignoring their package.
*/
@Parameter(defaultValue = "true")
private boolean usePkgPath;
/**
* If set to true, will generate String Property names.
* Default is false.
*/
@Parameter(defaultValue = "false")
private boolean createPropertyNames;
public void execute() throws MojoExecutionException, MojoFailureException {
// Create the destination directory if necessary.
// TODO: (KJM 11/2/06) The destDir really should be added as a
// compilation resource for maven.
if (!destDir.exists()) {
destDir.mkdirs();
}
Log logger = new MavenLogger(this);
CayenneGeneratorMapLoaderAction loaderAction = new CayenneGeneratorMapLoaderAction();
loaderAction.setMainDataMapFile(map);
CayenneGeneratorEntityFilterAction filterAction = new CayenneGeneratorEntityFilterAction();
filterAction.setClient(client);
filterAction.setNameFilter(NamePatternMatcher.build(logger, includeEntities, excludeEntities));
try {
loaderAction.setAdditionalDataMapFiles(convertAdditionalDataMaps());
DataMap dataMap = loaderAction.getMainDataMap();
ClassGenerationAction generator = createGenerator();
generator.setLogger(logger);
generator.setTimestamp(map.lastModified());
generator.setDataMap(dataMap);
generator.addEntities(filterAction.getFilteredEntities(dataMap));
// ksenia khailenko 15.10.2010
// TODO add the "includeEmbeddables" and "excludeEmbeddables"
// attributes
generator.addEmbeddables(dataMap.getEmbeddables());
// TODO add the "includeQueries" and "excludeQueries" attributes
generator.addQueries(dataMap.getQueryDescriptors());
generator.execute();
} catch (Exception e) {
throw new MojoExecutionException("Error generating classes: ", e);
}
}
/**
* Loads and returns DataMap based on map attribute.
*/
protected File[] convertAdditionalDataMaps() throws Exception {
if (additionalMaps == null) {
return NO_FILES;
}
if (!additionalMaps.isDirectory()) {
throw new MojoFailureException(
"'additionalMaps' must be a directory.");
}
FilenameFilter mapFilter = new FilenameFilter() {
@Override
public boolean accept(File dir, String name) {
return name != null &&
name.toLowerCase().endsWith(".map.xml");
}
};
return additionalMaps.listFiles(mapFilter);
}
/**
* Factory method to create internal class generator. Called from
* constructor.
*/
protected ClassGenerationAction createGenerator() {
ClassGenerationAction action;
if (client) {
action = new ClientClassGenerationAction();
} else {
action = new ClassGenerationAction();
}
action.setDestDir(destDir);
action.setEncoding(encoding);
action.setMakePairs(makePairs);
action.setArtifactsGenerationMode(mode);
action.setOutputPattern(outputPattern);
action.setOverwrite(overwrite);
action.setSuperPkg(superPkg);
action.setSuperTemplate(superTemplate);
action.setTemplate(template);
action.setEmbeddableSuperTemplate(embeddableSuperTemplate);
action.setEmbeddableTemplate(embeddableTemplate);
action.setUsePkgPath(usePkgPath);
action.setCreatePropertyNames(createPropertyNames);
return action;
}
}
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