/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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.
   */
  package org.apache.maven.plugin.compiler.stubs;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.Collections;
  
  import org.codehaus.plexus.compiler.CompilerConfiguration;
  import org.codehaus.plexus.compiler.CompilerException;
  import org.codehaus.plexus.compiler.CompilerMessage;
  import org.codehaus.plexus.compiler.CompilerOutputStyle;
  import org.codehaus.plexus.compiler.CompilerResult;
  
  /**
   * @author Edwin Punzalan
   */
  public class CompilerStub implements org.codehaus.plexus.compiler.Compiler {
      private boolean shouldFail;
  
      public CompilerStub() {
          this(false);
      }
  
      public CompilerStub(boolean shouldFail) {
          this.shouldFail = shouldFail;
      }
  
      public CompilerOutputStyle getCompilerOutputStyle() {
          return CompilerOutputStyle.ONE_OUTPUT_FILE_FOR_ALL_INPUT_FILES;
      }
  
      public String getInputFileEnding(CompilerConfiguration compilerConfiguration) {
          return "java";
      }
  
      public String getOutputFileEnding(CompilerConfiguration compilerConfiguration) {
          return "class";
      }
  
      public String getOutputFile(CompilerConfiguration compilerConfiguration) {
          return "output-file";
      }
  
      public boolean canUpdateTarget(CompilerConfiguration compilerConfiguration) {
          return false;
      }
  
      public CompilerResult performCompile(CompilerConfiguration compilerConfiguration) throws CompilerException {
          File outputDir = new File(compilerConfiguration.getOutputLocation());
  
          try {
              outputDir.mkdirs();
  
              File outputFile = new File(outputDir, "compiled.class");
              if (!outputFile.exists() && !outputFile.createNewFile()) {
                  throw new CompilerException("could not create output file: " + outputFile.getAbsolutePath());
              }
          } catch (IOException e) {
              throw new CompilerException("An exception occurred while creating output file", e);
          }
  
          return new CompilerResult(
                  !shouldFail, Collections.singletonList(new CompilerMessage("message 1", CompilerMessage.Kind.OTHER)));
      }
  
      public String[] createCommandLine(CompilerConfiguration compilerConfiguration) {
          return new String[0];
      }
  }