/*
    * 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.surefire.booterclient.output;
  
  import java.io.File;
  
  import org.apache.maven.surefire.api.util.internal.DumpFileUtils;
  
  import static java.lang.String.format;
  import static org.apache.maven.plugin.surefire.SurefireHelper.DUMPSTREAM_FILENAME;
  import static org.apache.maven.plugin.surefire.SurefireHelper.DUMPSTREAM_FILENAME_FORMATTER;
  import static org.apache.maven.plugin.surefire.SurefireHelper.DUMP_FILENAME;
  import static org.apache.maven.plugin.surefire.SurefireHelper.DUMP_FILENAME_FORMATTER;
  import static org.apache.maven.plugin.surefire.SurefireHelper.EVENTS_BINARY_DUMP_FILENAME_FORMATTER;
  
  /**
   * Reports errors to dump file.
   * Used only within java process of the plugin itself and not the forked JVM.
   */
  public final class InPluginProcessDumpSingleton {
      private static final InPluginProcessDumpSingleton SINGLETON = new InPluginProcessDumpSingleton();
  
      private InPluginProcessDumpSingleton() {}
  
      public static InPluginProcessDumpSingleton getSingleton() {
          return SINGLETON;
      }
  
      public synchronized File dumpStreamException(Throwable t, String msg, File reportsDirectory, int jvmRun) {
          File dump = newDumpStreamFile(reportsDirectory, jvmRun);
          DumpFileUtils.dumpException(t, msg == null ? "null" : msg, dump);
          return dump;
      }
  
      public synchronized void dumpStreamException(Throwable t, String msg, File reportsDirectory) {
          DumpFileUtils.dumpException(t, msg == null ? "null" : msg, newDumpStreamFile(reportsDirectory));
      }
  
      public synchronized File dumpStreamText(String msg, File reportsDirectory, int jvmRun) {
          File dump = newDumpStreamFile(reportsDirectory, jvmRun);
          DumpFileUtils.dumpText(msg == null ? "null" : msg, dump);
          return dump;
      }
  
      public synchronized void dumpStreamText(String msg, File reportsDirectory) {
          DumpFileUtils.dumpText(msg == null ? "null" : msg, newDumpStreamFile(reportsDirectory));
      }
  
      public synchronized void dumpException(Throwable t, String msg, File reportsDirectory, int jvmRun) {
          File dump = newDumpFile(reportsDirectory, jvmRun);
          DumpFileUtils.dumpException(t, msg == null ? "null" : msg, dump);
      }
  
      public synchronized void dumpException(Throwable t, String msg, File reportsDirectory) {
          File dump = newDumpFile(reportsDirectory);
          DumpFileUtils.dumpException(t, msg == null ? "null" : msg, dump);
      }
  
      public File getEventStreamBinaryFile(File reportsDirectory, int jvmRun) {
          reportsDirectory.mkdirs();
          return new File(reportsDirectory, format(EVENTS_BINARY_DUMP_FILENAME_FORMATTER, jvmRun));
      }
  
      private File newDumpStreamFile(File reportsDirectory) {
          return new File(reportsDirectory, DUMPSTREAM_FILENAME);
      }
  
      private static File newDumpStreamFile(File reportsDirectory, int jvmRun) {
          return new File(reportsDirectory, format(DUMPSTREAM_FILENAME_FORMATTER, jvmRun));
      }
  
      private static File newDumpFile(File reportsDirectory, int jvmRun) {
          return new File(reportsDirectory, format(DUMP_FILENAME_FORMATTER, jvmRun));
      }
  
      private static File newDumpFile(File reportsDirectory) {
          return new File(reportsDirectory, DUMP_FILENAME);
      }
  }