/*
    * #%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.cpptasks.gcc;
  
  import java.io.File;
  
  import org.apache.tools.ant.BuildException;
  
  import com.github.maven_nar.cpptasks.CCTask;
  import com.github.maven_nar.cpptasks.VersionInfo;
  import com.github.maven_nar.cpptasks.compiler.CommandLineLinker;
  import com.github.maven_nar.cpptasks.compiler.CommandLineLinkerConfiguration;
  import com.github.maven_nar.cpptasks.types.LibraryTypeEnum;
  
  /**
   * Adapter for the "ar" tool
   *
   * @author Adam Murdoch
   * @author Curt Arnold
   */
  public abstract class AbstractArLibrarian extends CommandLineLinker {
    private final/* final */
    String outputPrefix;
  
    protected AbstractArLibrarian(final String command, final String identificationArg, final String[] inputExtensions,
        final String[] ignoredExtensions, final String outputPrefix, final String outputExtension,
        final boolean isLibtool, final AbstractArLibrarian libtoolLibrarian) {
      super(command, identificationArg, inputExtensions, ignoredExtensions, outputExtension, isLibtool, libtoolLibrarian);
      this.outputPrefix = outputPrefix;
    }
  
    @Override
    public String getCommandFileSwitch(final String commandFile) {
      return null;
    }
  
    @Override
    public File[] getLibraryPath() {
      return new File[0];
    }
  
    @Override
    public String[] getLibraryPatterns(final String[] libnames, final LibraryTypeEnum libType) {
      return new String[0];
    }
  
    @Override
    public int getMaximumCommandLength() {
      return Integer.MAX_VALUE;
    }
  
    @Override
    public String[] getOutputFileNames(final String baseName, final VersionInfo versionInfo) {
      final String[] baseNames = super.getOutputFileNames(baseName, versionInfo);
      if (this.outputPrefix.length() > 0) {
        for (int i = 0; i < baseNames.length; i++) {
          baseNames[i] = this.outputPrefix + baseNames[i];
        }
      }
      return baseNames;
    }
  
    @Override
    public String[] getOutputFileSwitch(final String outputFile) {
      return GccProcessor.getOutputFileSwitch("rvs", outputFile);
    }
  
    @Override
    public boolean isCaseSensitive() {
      return true;
    }
  
    @Override
    public void link(final CCTask task, final File outputFile, final String[] sourceFiles,
        final CommandLineLinkerConfiguration config) throws BuildException {
      //
      // if there is an existing library then
      // we must delete it before executing "ar"
      if (outputFile.exists()) {
        if (!outputFile.delete()) {
          throw new BuildException("Unable to delete " + outputFile.getAbsolutePath());
        }
     }
     //
     // delegate to CommandLineLinker
     //
     super.link(task, outputFile, sourceFiles, config);
   }
 }