opendaylight/sal/yang-prototype/code-generator/maven-yang-plugin/src/main/java/org/opendaylight/controller/yang2sources/plugin/YangToResourcesMojo.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.yang2sources.plugin;
   9
  10 import java.io.File;
  11 import java.util.Collection;
  12 import java.util.Map;
  13
  14 import org.apache.maven.plugin.AbstractMojo;
  15 import org.apache.maven.plugin.MojoExecutionException;
  16 import org.apache.maven.plugin.MojoFailureException;
  17 import org.apache.maven.plugins.annotations.LifecyclePhase;
  18 import org.apache.maven.plugins.annotations.Mojo;
  19 import org.apache.maven.plugins.annotations.Parameter;
  20 import org.opendaylight.controller.yang2sources.plugin.ConfigArg.ResourceProviderArg;
  21 import org.opendaylight.controller.yang2sources.spi.ResourceGenerator;
  22
  23 import com.google.common.annotations.VisibleForTesting;
  24 import com.google.common.collect.Maps;
  25
  26 @Mojo(name = "generate-resources", defaultPhase = LifecyclePhase.GENERATE_RESOURCES)
  27 public final class YangToResourcesMojo extends AbstractMojo {
  28
  29     private static final String LOG_PREFIX = "yang-to-resources:";
  30
  31     @Parameter(required = true)
  32     private ResourceProviderArg[] resourceProviders;
  33
  34     @Parameter(required = true)
  35     private String yangFilesRootDir;
  36
  37     @VisibleForTesting
  38     YangToResourcesMojo(ResourceProviderArg[] resourceProviderArgs,
  39             String yangFilesRootDir) {
  40         super();
  41         this.resourceProviders = resourceProviderArgs;
  42         this.yangFilesRootDir = yangFilesRootDir;
  43     }
  44
  45     public YangToResourcesMojo() {
  46         super();
  47     }
  48
  49     @Override
  50     public void execute() throws MojoExecutionException, MojoFailureException {
  51
  52         if (resourceProviders.length == 0) {
  53             getLog().warn(
  54                     Util.message("No resource provider classes provided",
  55                             LOG_PREFIX));
  56             return;
  57         }
  58
  59         Map<String, String> thrown = Maps.newHashMap();
  60         Collection<File> yangFiles = Util.listFiles(yangFilesRootDir);
  61
  62         for (ResourceProviderArg resourceProvider : resourceProviders) {
  63             try {
  64
  65                 provideResourcesWithOneProvider(yangFiles, resourceProvider);
  66
  67             } catch (Exception e) {
  68                 // try other generators, exception will be thrown after
  69                 getLog().error(
  70                         Util.message(
  71                                 "Unable to provide resources with %s resource provider",
  72                                 LOG_PREFIX,
  73                                 resourceProvider.getResourceProviderClass()), e);
  74                 thrown.put(resourceProvider.getResourceProviderClass(), e
  75                         .getClass().getCanonicalName());
  76             }
  77         }
  78
  79         if (!thrown.isEmpty()) {
  80             String message = Util
  81                     .message(
  82                             "One or more code resource provider failed, including failed list(resourceProviderClass=exception) %s",
  83                             LOG_PREFIX, thrown.toString());
  84             getLog().error(message);
  85             throw new MojoFailureException(message);
  86         }
  87     }
  88
  89     /**
  90      * Instantiate provider from class and call required method
  91      */
  92     private void provideResourcesWithOneProvider(Collection<File> yangFiles,
  93             ResourceProviderArg resourceProvider)
  94             throws ClassNotFoundException, InstantiationException,
  95             IllegalAccessException {
  96
  97         resourceProvider.check();
  98
  99         ResourceGenerator g = Util.getInstance(
 100                 resourceProvider.getResourceProviderClass(),
 101                 ResourceGenerator.class);
 102         getLog().info(
 103                 Util.message("Resource provider instantiated from %s",
 104                         LOG_PREFIX, resourceProvider.getResourceProviderClass()));
 105
 106         g.generateResourceFiles(yangFiles, resourceProvider.getOutputBaseDir());
 107         getLog().info(
 108                 Util.message("Resource provider %s call successful",
 109                         LOG_PREFIX, resourceProvider.getResourceProviderClass()));
 110     }
 111 }