# ByteArrayDataSource.java

    /*
     * Copyright (C) 2000 - 2024 Silverpeas
     *
     * 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.
     *
     * As a special exception to the terms and conditions of version 3.0 of
     * the GPL, you may redistribute this Program in connection with Free/Libre
     * Open Source Software ("FLOSS") applications as described in Silverpeas's
     * FLOSS exception. You should have received a copy of the text describing
     * the FLOSS exception, and it is also available here:
     * "https://www.silverpeas.org/legal/floss_exception.html"
     *
     * 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 Affero General Public License for more details.
     *
     * You should have received a copy of the GNU Affero General Public License
     * along with this program. If not, see <https://www.gnu.org/licenses/>.
     */
    // *** Rajoute par F. Rageade pour compilation du SessionController
    package org.silverpeas.components.infoletter.service;

    // ***

    import java.io.*;
    import javax.activation.*;

    /**
     * A simple DataSource for demonstration purposes. This class implements a DataSource from: an
     * InputStream a byte array a String
     * @author John Mani
     * @author Bill Shannon
     * @author Max Spivak
     */
    public class ByteArrayDataSource implements DataSource {
      private byte[] data; // data
      private String type; // content-type

      /* Create a DataSource from an input stream */
      public ByteArrayDataSource(InputStream is, String type) {
        this.type = type;
        try {
          ByteArrayOutputStream os = new ByteArrayOutputStream();
          int ch;

          while ((ch = is.read()) != -1)
            // XXX - must be made more efficient by
            // doing buffered reads, rather than one byte reads
            os.write(ch);
          data = os.toByteArray();

        } catch (IOException ioex) {
        }
      }

      /* Create a DataSource from a byte array */
      public ByteArrayDataSource(byte[] data, String type) {
        this.data = data;
        this.type = type;
      }

      /* Create a DataSource from a String */
      public ByteArrayDataSource(String data, String type) {
        try {
          // Assumption that the string contains only ASCII
          // characters! Otherwise just pass a charset into this
          // constructor and use it in getBytes()
          this.data = data.getBytes("UTF-8");
        } catch (UnsupportedEncodingException uex) {
        }
        this.type = type;
      }

      /**
       * Return an InputStream for the data. Note - a new stream must be returned each time.
       */
      public InputStream getInputStream() throws IOException {
        if (data == null) {
          throw new IOException("no data");
        }
        return new ByteArrayInputStream(data);
      }

      public OutputStream getOutputStream() throws IOException {
        throw new IOException("cannot do this");
      }

      public String getContentType() {
        return type;
      }

      public String getName() {
        return "dummy";
      }
    }