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";
}
}