content: /*
   * 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 com.aliyun.odps.mapred.cli;
  
  import java.io.FileNotFoundException;
  import java.lang.reflect.InvocationTargetException;
  import java.lang.reflect.Method;
  
  import org.apache.commons.cli.ParseException;
  
  import com.aliyun.odps.OdpsException;
  import com.aliyun.odps.mapred.conf.SessionState;
  
  public class Cli {
  
    public static void main(String[] args) {
      SessionState ss = SessionState.get();
      OptionParser parser = new OptionParser(ss);
      try {
        parser.parse(args);
      } catch (FileNotFoundException e) {
        System.err.println(e.getMessage());
        System.exit(-1);
      } catch (ClassNotFoundException e) {
        System.err.println("Class not found:" + e.getMessage());
        System.exit(-1);
      } catch (ParseException e) {
        System.err.println(e.getMessage());
        parser.usage();
        System.exit(-1);
      } catch (OdpsException e) {
        System.err.println(e.getMessage());
        System.exit(-1);
      }
  
      try {
        Method main = parser.getMainClass().getMethod("main", String[].class);
        main.invoke(null, (Object) parser.getArguments());
      } catch (InvocationTargetException e) {
        Throwable t = e.getCause();
        if (t != null && t instanceof OdpsException) {
          OdpsException ex = (OdpsException) t;
          System.err.println(ex.getErrorCode() + ":" + ex.getMessage());
          System.exit(-1);
        } else {
          throw new RuntimeException("Unknown error", e);
        }
      } catch (Exception e) {
        throw new RuntimeException(e);
      }
    }
  }
  