/*
 * Copyright (C) 2003-2007 eXo Platform SAS.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see<http://www.gnu.org/licenses/>.
 */
package org.exoplatform.services.document.impl;

import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;

import org.exoplatform.container.component.ComponentPlugin;
import org.exoplatform.container.xml.InitParams;
import org.exoplatform.services.document.DocumentReader;
import org.exoplatform.services.document.DocumentReaderService;
import org.exoplatform.services.document.HandlerNotFoundException;

/**
 * Created by The eXo Platform SAS Author : Phung Hai Nam
 * 
 * @author Gennady Azarenkov
 * @version $Id: DocumentReaderServiceImpl.java 11659 2007-01-05 15:35:06Z geaz
 *          $ Oct 19, 2005
 */
public class DocumentReaderServiceImpl implements DocumentReaderService {
  private Map<String, BaseDocumentReader> readers_;

  public DocumentReaderServiceImpl(InitParams params) {
    readers_ = new HashMap<String, BaseDocumentReader>();
  }

  @Deprecated
  public String getContentAsText(String mimeType, InputStream is) throws Exception {
    BaseDocumentReader reader = readers_.get(mimeType.toLowerCase());
    if (reader != null)
      return reader.getContentAsText(is);
    throw new Exception("Cannot handle the document type: " + mimeType);
  }

  /**
   * @param plugin
   */
  public void addDocumentReader(ComponentPlugin plugin) {
    BaseDocumentReader reader = (BaseDocumentReader) plugin;
    for (String mimeType : reader.getMimeTypes())
      readers_.put(mimeType.toLowerCase(), reader);
  }

  /*
   * (non-Javadoc)
   * @see
   * org.exoplatform.services.document.DocumentReaderService#getDocumentReader
   * (java.lang.String)
   */
  public DocumentReader getDocumentReader(String mimeType) throws HandlerNotFoundException {
    BaseDocumentReader reader = readers_.get(mimeType.toLowerCase());
    if (reader != null)
      return reader;
    else
      throw new HandlerNotFoundException("No appropriate properties extractor for " + mimeType);
  }

}