Launch.java

/*! ******************************************************************************
 *
 * Pentaho Data Integration
 *
 * Copyright (C) 2002-2013 by Pentaho : http://www.pentaho.com
 *
 *******************************************************************************
 *
 * 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.
 *
 ******************************************************************************/

package org.pentaho.ui.util;

import java.lang.reflect.Method;

import org.pentaho.ui.database.Messages;

public class Launch {

  public enum Status {
    Success, Failed
  }

  public static Status openURL( String url ) {

    Status r = Status.Success;
    String osName = System.getProperty( "os.name" );

    try {
      if ( osName.startsWith( "Mac OS" ) ) {
        Class<?> fileMgr = Class.forName( "com.apple.eio.FileManager" );
        Method openURL = fileMgr.getDeclaredMethod( "openURL", new Class<?>[] { String.class } );
        openURL.invoke( null, new Object[] { url } );
      } else if ( osName.startsWith( "Windows" ) ) {
        Runtime.getRuntime().exec( "rundll32 url.dll,FileProtocolHandler " + url );
      } else { // assume Unix or Linux
        String[] browsers = { "firefox", "opera", "konqueror", "epiphany", "mozilla", "netscape" };
        String browser = null;
        for ( int count = 0; count < browsers.length && browser == null; count++ ) {
          if ( Runtime.getRuntime().exec( new String[] { "which", browsers[count] } ).waitFor() == 0 ) {
            browser = browsers[count];
          }
        }
        if ( browser == null ) {
          throw new Exception( Messages.getString( "Launch.ERROR_0001_BROWSER_NOT_FOUND" ) );
        } else {
          Runtime.getRuntime().exec( new String[] { browser, url } );
        }
      }
    } catch ( Exception e ) {
      r = Status.Failed;
    }
    return r;
  }

}