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package com.sun.star.comp.helper;


import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.uno.RuntimeException;

/** The class provides a set of methods which create instances of the
    com.sun.star.lang.RegistryServiceManager service. 
    
    @deprecated use class Bootstrap instead
*/
public class RegistryServiceFactory {
    static {
        System.loadLibrary("juh");
    }
    
    private static native Object createRegistryServiceFactory(
            String writeRegistryFile, 
            String readRegistryFile, 
            boolean readOnly,
            ClassLoader loader);
            
    /**
      * This bootstraps an initial service factory working on a registry. If the first or both 
      * parameters contain a value then the service factory is initialized with a simple registry
      * or a nested registry. Otherwise the service factory must be initialized later with a valid
      * registry.
      *<BR>
      * @param writeRegistryFile	file name of the simple registry or the first registry file of
      *								the nested registry which will be opened with read/write rights. This
      *								file will be created if necessary.
      * @param readRegistryFile		file name of the second registry file of the nested registry 
      *								which will be opened with readonly rights.
     * @return a new RegistryServiceFactory.
      */
    public static XMultiServiceFactory create(String writeRegistryFile, String readRegistryFile)
        throws com.sun.star.uno.Exception
    {
        return create(writeRegistryFile, readRegistryFile, false);
    }

    /**
      * This bootstraps an initial service factory working on a registry. If the first or both 
      * parameters contain a value then the service factory is initialized with a simple registry
      * or a nested registry. Otherwise the service factory must be initialized later with a valid
      * registry.
      *<BR>
     * @param writeRegistryFile	    file name of the simple registry or the first registry file of
     *								the nested registry which will be opened with read/write rights. This
     *								file will be created if necessary.
     * @param readRegistryFile		file name of the second registry file of the nested registry 
     *								which will be opened with readonly rights.
     * @param readOnly				flag which specify that the first registry file will be opened with 
     *								readonly rights. Default is FALSE. If this flag is used the registry 
     *								will not be created if not exist.
     *
      * @return a new RegistryServiceFactory
      */
    public static XMultiServiceFactory create(String writeRegistryFile, String readRegistryFile, boolean readOnly)
        throws com.sun.star.uno.Exception
    {
        // Ensure that we are on a native threads vm 
        // (binary UNO does use native threads).
        String vm_info = System.getProperty("java.vm.info"); 
        if(vm_info != null && vm_info.indexOf("green") != -1)
            throw new RuntimeException(RegistryServiceFactory.class.toString() + ".create - can't use binary UNO with green threads");


        if (writeRegistryFile == null && readRegistryFile == null)
            throw new com.sun.star.uno.Exception("No registry is specified!");

//          if (writeRegistryFile != null) {
//              java.io.File file = new java.io.File(writeRegistryFile);

//              if (file.exists()) {
//                  if (!file.isFile())
//                      throw new com.sun.star.uno.Exception(writeRegistryFile + " is not a file!");
//              } else
//                  throw new com.sun.star.uno.Exception(writeRegistryFile + " doese not exist!");
//          }
        
//          if (readRegistryFile != null) {
//              java.io.File file = new java.io.File(readRegistryFile);

//              if (file.exists()) {
//                  if (!file.isFile())
//                      throw new com.sun.star.uno.Exception(readRegistryFile + " is not a file!");
//              } else
//                  throw new com.sun.star.uno.Exception(readRegistryFile + " doese not exist!");
//          }

        Object obj = createRegistryServiceFactory(
            writeRegistryFile, readRegistryFile, readOnly,
            RegistryServiceFactory.class.getClassLoader() );
        return UnoRuntime.queryInterface(
            XMultiServiceFactory.class, obj );	
    }

    /**
     * This bootstraps an initial service factory working on a registry file.
     *<BR>
     * @param registryFile			file name of the registry to use/ create; if this is an empty
     *								string, the default registry is used instead
     *
     * @return a new RegistryServiceFactory.
     */
    public static XMultiServiceFactory create(String registryFile) 
        throws com.sun.star.uno.Exception
    {
        return create(registryFile, null, false);
    }

    /**
     * This bootstraps an initial service factory working on a registry file.
     *<BR>
     * @param registryFile			file name of the registry to use/ create; if this is an empty
     *								string, the default registry is used instead
     * @param readOnly				flag which specify that the registry file will be opened with 
     *								readonly rights. Default is FALSE. If this flag is used the registry 
     *								will not be created if not exist.
     *								
     * @return a new RegistryServiceFactory.
     */
    public static XMultiServiceFactory create(String registryFile, boolean readOnly) 
        throws com.sun.star.uno.Exception
    {
        return create(registryFile, null, readOnly);
    }

    /**
     * This bootstraps a service factory without initialize a registry.
     *<BR>
     * @return a new RegistryServiceFactory.
     */
    public static XMultiServiceFactory create() throws com.sun.star.uno.Exception {
        return create( null, null, false );
    }
}