--- /dev/null
+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.yang2sources.plugin;
+
+import java.io.Closeable;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FilenameFilter;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Enumeration;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.maven.artifact.Artifact;
+import org.apache.maven.plugin.MojoFailureException;
+import org.apache.maven.plugin.logging.Log;
+import org.apache.maven.project.MavenProject;
+import org.opendaylight.controller.yang.model.api.Module;
+import org.opendaylight.controller.yang.model.api.SchemaContext;
+
+import com.google.common.base.Preconditions;
+import com.google.common.collect.Lists;
+import com.google.common.collect.Maps;
+
+final class Util {
+ static final String YANG_SUFFIX = "yang";
+
+ // Cache for listed directories and found yang files. Typically yang files
+ // are utilized twice. First: code is generated during generate-sources
+ // phase Second: yang files are copied as resources during
+ // generate-resources phase. This cache ensures that yang files are listed
+ // only once.
+ private static Map<File, Collection<File>> cache = Maps
+ .newHashMapWithExpectedSize(10);
+
+ /**
+ * List files recursively and return as array of String paths. Use cache of
+ * size 1.
+ */
+ static Collection<File> listFiles(File root) throws FileNotFoundException {
+ if (cache.get(root) != null)
+ return cache.get(root);
+
+ if (!root.exists()) {
+ throw new FileNotFoundException(root.toString());
+ }
+
+ Collection<File> yangFiles = FileUtils.listFiles(root,
+ new String[] { YANG_SUFFIX }, true);
+
+ toCache(root, yangFiles);
+ return yangFiles;
+ }
+
+ static List<InputStream> listFilesAsStream(File rootDir)
+ throws FileNotFoundException {
+ List<InputStream> is = new ArrayList<InputStream>();
+
+ Collection<File> files = listFiles(rootDir);
+ for (File f : files) {
+ is.add(new NamedFileInputStream(f));
+ }
+
+ return is;
+ }
+
+ static class NamedFileInputStream extends FileInputStream {
+ private final File file;
+
+ NamedFileInputStream(File file) throws FileNotFoundException {
+ super(file);
+ this.file = file;
+ }
+
+ @Override
+ public String toString() {
+ return getClass().getSimpleName() + "{" + file + "}";
+ }
+ }
+
+ private static void toCache(final File rootDir,
+ final Collection<File> yangFiles) {
+ cache.put(rootDir, yangFiles);
+ }
+
+ /**
+ * Instantiate object from fully qualified class name
+ */
+ static <T> T getInstance(String codeGeneratorClass, Class<T> baseType)
+ throws ClassNotFoundException, InstantiationException,
+ IllegalAccessException {
+ return baseType.cast(resolveClass(codeGeneratorClass, baseType)
+ .newInstance());
+ }
+
+ private static Class<?> resolveClass(String codeGeneratorClass,
+ Class<?> baseType) throws ClassNotFoundException {
+ Class<?> clazz = Class.forName(codeGeneratorClass);
+
+ if (!isImplemented(baseType, clazz))
+ throw new IllegalArgumentException("Code generator " + clazz
+ + " has to implement " + baseType);
+ return clazz;
+ }
+
+ private static boolean isImplemented(Class<?> expectedIface,
+ Class<?> byClazz) {
+ for (Class<?> iface : byClazz.getInterfaces()) {
+ if (iface.equals(expectedIface))
+ return true;
+ }
+ return false;
+ }
+
+ static String message(String message, String logPrefix, Object... args) {
+ String innerMessage = String.format(message, args);
+ return String.format("%s %s", logPrefix, innerMessage);
+ }
+
+ static List<File> getClassPath(MavenProject project) {
+ List<File> dependencies = Lists.newArrayList();
+ for (Artifact element : project.getArtifacts()) {
+ File asFile = element.getFile();
+ if (isJar(asFile) || asFile.isDirectory()) {
+ dependencies.add(asFile);
+ }
+ }
+ return dependencies;
+ }
+
+ private static final String JAR_SUFFIX = ".jar";
+
+ private static boolean isJar(File element) {
+ return (element.isFile() && element.getName().endsWith(JAR_SUFFIX)) ? true
+ : false;
+ }
+
+ static <T> T checkNotNull(T obj, String paramName) {
+ return Preconditions.checkNotNull(obj, "Parameter " + paramName
+ + " is null");
+ }
+
+ final static class YangsInZipsResult implements Closeable {
+ final List<InputStream> yangStreams;
+ private final List<Closeable> zipInputStreams;
+
+ private YangsInZipsResult(List<InputStream> yangStreams,
+ List<Closeable> zipInputStreams) {
+ this.yangStreams = yangStreams;
+ this.zipInputStreams = zipInputStreams;
+ }
+
+ @Override
+ public void close() throws IOException {
+ for (InputStream is : yangStreams) {
+ is.close();
+ }
+ for (Closeable is : zipInputStreams) {
+ is.close();
+ }
+ }
+ }
+
+ static YangsInZipsResult findYangFilesInDependenciesAsStream(Log log,
+ MavenProject project)
+ throws MojoFailureException {
+ List<InputStream> yangsFromDependencies = new ArrayList<>();
+ List<Closeable> zips = new ArrayList<>();
+ try {
+ List<File> filesOnCp = Util.getClassPath(project);
+ log.info(Util.message(
+ "Searching for yang files in following dependencies: %s",
+ YangToSourcesProcessor.LOG_PREFIX, filesOnCp));
+
+ for (File file : filesOnCp) {
+ List<String> foundFilesForReporting = new ArrayList<>();
+ // is it jar file or directory?
+ if (file.isDirectory()) {
+ File yangDir = new File(file,
+ YangToSourcesProcessor.META_INF_YANG_STRING);
+ if (yangDir.exists() && yangDir.isDirectory()) {
+ File[] yangFiles = yangDir
+ .listFiles(new FilenameFilter() {
+ @Override
+ public boolean accept(File dir, String name) {
+ return name.endsWith(".yang")
+ && new File(dir, name).isFile();
+ }
+ });
+ for (File yangFile : yangFiles) {
+ yangsFromDependencies.add(new NamedFileInputStream(
+ yangFile));
+ }
+ }
+
+ } else {
+ ZipFile zip = new ZipFile(file);
+ zips.add(zip);
+
+ Enumeration<? extends ZipEntry> entries = zip.entries();
+ while (entries.hasMoreElements()) {
+ ZipEntry entry = entries.nextElement();
+ String entryName = entry.getName();
+
+ if (entryName
+ .startsWith(YangToSourcesProcessor.META_INF_YANG_STRING_JAR)) {
+ if (entry.isDirectory() == false
+ && entryName.endsWith(".yang")) {
+ foundFilesForReporting.add(entryName);
+ // This will be closed after all strams are
+ // parsed.
+ InputStream entryStream = zip
+ .getInputStream(entry);
+ yangsFromDependencies.add(entryStream);
+ }
+ }
+ }
+ }
+ if (foundFilesForReporting.size() > 0) {
+ log.info(Util.message("Found %d yang files in %s: %s",
+ YangToSourcesProcessor.LOG_PREFIX,
+ foundFilesForReporting.size(), file,
+ foundFilesForReporting));
+ }
+
+ }
+ } catch (Exception e) {
+ throw new MojoFailureException(e.getMessage(), e);
+ }
+ return new YangsInZipsResult(yangsFromDependencies, zips);
+ }
+
+ final static class ContextHolder {
+ private final SchemaContext context;
+ private final Set<Module> yangModules;
+
+ ContextHolder(SchemaContext context, Set<Module> yangModules) {
+ this.context = context;
+ this.yangModules = yangModules;
+ }
+
+ SchemaContext getContext() {
+ return context;
+ }
+
+ Set<Module> getYangModules() {
+ return yangModules;
+ }
+ }
+
+}
Code Review / controller.git / blobdiff