NarValidateMojo.java

/*
 * #%L
 * Native ARchive plugin for Maven
 * %%
 * Copyright (C) 2002 - 2014 NAR Maven Plugin developers.
 * %%
 * Licensed 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.
 * #L%
 */
package com.github.maven_nar;

import java.io.File;

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 org.apache.maven.shared.artifact.filter.collection.ScopeFilter;

/**
 * Validates the configuration of the NAR project (aol and pom)
 *
 * @author Mark Donszelmann
 */
@Mojo(name = "nar-validate", defaultPhase = LifecyclePhase.VALIDATE)
public class NarValidateMojo extends AbstractCompileMojo {
  /**
   * Source directory for GNU style project
   */
  @Parameter(defaultValue = "${basedir}/src/gnu", required = true)
  private File gnuSourceDirectory;

  @Override
  protected ScopeFilter/* <Artifact> */getArtifactScopeFilter() {
    return null;
  }

  @Override
  public final void narExecute() throws MojoExecutionException, MojoFailureException {
    // super.narExecute();
    if (this.skip) {
      getLog().info(getClass().getName() + " skipped");
      return;
    }
    
    // check aol
    final AOL aol = getAOL();
    getLog().info("Using AOL: " + aol);

    // check linker exists in retrieving the version number
    final Linker linker = getLinker();
    getLog().debug("Using linker version: " + linker.getVersion(this));

    // check compilers
    int noOfCompilers = 0;
    if (this.onlySpecifiedCompilers) {
      if (getCpp() != null && getCpp().getName() != null) {
        noOfCompilers++;
        // need includes
        if (getCpp().getIncludes(Compiler.MAIN).isEmpty()) {
          throw new MojoExecutionException("No includes defined for compiler " + getCpp().getName());
        }
      }

      if (getC() != null && getC().getName() != null) {
        noOfCompilers++;
        // need includes
        if (getC().getIncludes(Compiler.MAIN).isEmpty()) {
          throw new MojoExecutionException("No includes defined for compiler " + getC().getName());
        }
      }

      if (getFortran() != null && getFortran().getName() != null) {
        noOfCompilers++;
        // need includes
        if (getFortran().getIncludes(Compiler.MAIN).isEmpty()) {
          throw new MojoExecutionException("No includes defined for compiler " + getFortran().getName());
        }
      }

      // at least one compiler has to be defined
      // OR
      // a <gnuSourceDirectory> is configured.
      if (noOfCompilers == 0 && (this.gnuSourceDirectory == null || !this.gnuSourceDirectory.exists())) {
        throw new MojoExecutionException("No compilers defined for linker " + linker.getName() + ", and no"
            + " <gnuSourceDirectory> is defined.  Either define a compiler or a linker.");
      }
    }
  }
}