import java.io.BufferedWriter;
import java.io.File;
-import java.io.FileWriter;
import java.io.IOException;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.io.Writer;
import java.util.ArrayList;
+import java.util.Collection;
import java.util.List;
-import java.util.Set;
import org.opendaylight.yangtools.sal.binding.model.api.CodeGenerator;
+import org.opendaylight.yangtools.sal.binding.model.api.GeneratedTransferObject;
import org.opendaylight.yangtools.sal.binding.model.api.Type;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+import org.sonatype.plexus.build.incremental.BuildContext;
+import org.sonatype.plexus.build.incremental.DefaultBuildContext;
+
+import com.google.common.base.Preconditions;
/**
* Generates files with JAVA source codes for every specified type.
- *
+ *
*/
public final class GeneratorJavaFile {
/**
* Set of <code>Type</code> instances for which the JAVA code is generated.
*/
- private final Set<? extends Type> types;
+ private final Collection<? extends Type> types;
+
+ /**
+ * BuildContext used for instantiating files
+ */
+ private final BuildContext buildContext;
/**
* Creates instance of this class with the set of <code>types</code> for
* which the JAVA code is generated.
- *
+ *
* The instances of concrete JAVA code generator are created.
- *
+ *
+ * @param buildContext
+ * build context to use for accessing files
* @param types
* set of types for which JAVA code should be generated
*/
- public GeneratorJavaFile(final Set<? extends Type> types) {
- this.types = types;
+ public GeneratorJavaFile(final BuildContext buildContext, final Collection<? extends Type> types) {
+ this.buildContext = Preconditions.checkNotNull(buildContext);
+ this.types = Preconditions.checkNotNull(types);
generators.add(new InterfaceGenerator());
generators.add(new TOGenerator());
generators.add(new EnumGenerator());
generators.add(new BuilderGenerator());
}
+ /**
+ * Creates instance of this class with the set of <code>types</code> for
+ * which the JAVA code is generated. Generator instantiated this way uses
+ * the default build context, e.g. it will re-generate any and all files.
+ *
+ * The instances of concrete JAVA code generator are created.
+ *
+ * @param types
+ * set of types for which JAVA code should be generated
+ */
+ public GeneratorJavaFile(final Collection<? extends Type> types) {
+ this(new DefaultBuildContext(), types);
+ }
+
/**
* Generates list of files with JAVA source code. Only the suitable code
* generator is used to generate the source code for the concrete type.
- *
- * @param parentDirectory
+ *
+ * @param generatedSourcesDirectory
* directory to which the output source codes should be generated
* @return list of output files
* @throws IOException
- * if the error during writting to the file occures
+ * if the error during writing to the file occurs
*/
- public List<File> generateToFile(final File parentDirectory) throws IOException {
+ public List<File> generateToFile(final File generatedSourcesDirectory) throws IOException {
+ return generateToFile(generatedSourcesDirectory, generatedSourcesDirectory);
+ }
+
+ public List<File> generateToFile(final File generatedSourcesDirectory, final File persistenSourcesDirectory)
+ throws IOException {
final List<File> result = new ArrayList<>();
for (Type type : types) {
- for (CodeGenerator generator : generators) {
- File generatedJavaFile = generateTypeToJavaFile(parentDirectory, type, generator);
- if (generatedJavaFile != null) {
- result.add(generatedJavaFile);
+ if (type != null) {
+ for (CodeGenerator generator : generators) {
+ File generatedJavaFile = null;
+ if (type instanceof GeneratedTransferObject
+ && ((GeneratedTransferObject) type).isUnionTypeBuilder()) {
+ File packageDir = packageToDirectory(persistenSourcesDirectory, type.getPackageName());
+ File file = new File(packageDir, generator.getUnitName(type) + ".java");
+ if (!file.exists()) {
+ generatedJavaFile = generateTypeToJavaFile(persistenSourcesDirectory, type, generator);
+ }
+ } else {
+ generatedJavaFile = generateTypeToJavaFile(generatedSourcesDirectory, type, generator);
+ }
+ if (generatedJavaFile != null) {
+ result.add(generatedJavaFile);
+ }
}
}
}
* are generated according to packages to which the type belongs (e. g. if
* type belongs to the package <i>org.pcg</i> then in <code>parentDir</code>
* is created directory <i>org</i> which contains <i>pcg</i>).
- *
+ *
* @param parentDir
* directory where should be the new file generated
* @param type
* code generator which is used for generating of the source code
* @return file which contains JAVA source code
* @throws IOException
- * if the error during writting to the file occures
+ * if the error during writing to the file occurs
* @throws IllegalArgumentException
* if <code>type</code> equals <code>null</code>
* @throws IllegalStateException
}
if (generator.isAcceptable(type)) {
- String generatedCode = generator.generate(type);
+ final String generatedCode = generator.generate(type);
if (generatedCode.isEmpty()) {
throw new IllegalStateException("Generated code should not be empty!");
}
final File file = new File(packageDir, generator.getUnitName(type) + ".java");
- try (final FileWriter fw = new FileWriter(file)) {
- file.createNewFile();
- try (final BufferedWriter bw = new BufferedWriter(fw)) {
- bw.write(generatedCode);
+
+ if (file.exists()) {
+ LOG.warn(
+ "Naming conflict for type '{}': file with same name already exists and will not be generated.",
+ type.getFullyQualifiedName());
+ return null;
+ }
+
+ try (final OutputStream stream = buildContext.newFileOutputStream(file)) {
+ try (final Writer fw = new OutputStreamWriter(stream)) {
+ try (final BufferedWriter bw = new BufferedWriter(fw)) {
+ bw.write(generatedCode);
+ }
+ } catch (IOException e) {
+ LOG.error("Failed to write generate output into {}", file.getPath(), e);
+ throw e;
}
- } catch (IOException e) {
- LOG.error(e.getMessage());
- throw new IOException(e);
}
return file;
+
}
return null;
}
* <code>parentDirectory</code> and parsed <code>packageName</code>. The
* parsing of <code>packageName</code> is realized as replacement of the
* package name dots with the file system separator.
- *
+ *
* @param parentDirectory
* <code>File</code> object with reference to parent directory
* @param packageName
* @return <code>File</code> object which refers to the new directory for
* package <code>packageName</code>
*/
- private File packageToDirectory(final File parentDirectory, final String packageName) {
+ public static File packageToDirectory(final File parentDirectory, final String packageName) {
if (packageName == null) {
throw new IllegalArgumentException("Package Name cannot be NULL!");
}
Code Review / mdsal.git / blobdiff