Java tutorial
/* * $Id$ * -------------------------------------------------------------------------------------- * Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com * * The software in this package is published under the terms of the CPAL v1.0 * license, a copy of which has been included with this distribution in the * LICENSE.txt file. */ /* * Copyright 2001-2004 The Apache Software Foundation * * 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.mule.transport.email.transformers; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import javax.activation.DataSource; import org.apache.commons.io.output.ByteArrayOutputStream; public class PlainTextDataSource implements DataSource { public static final String CONTENT_TYPE = "text/plain"; private final String name; private byte[] data; private ByteArrayOutputStream os; // FIXME: Doesn't work with non ascii string, but now it's ok. public PlainTextDataSource(String name, String data) { this.name = name; this.data = data == null ? null : data.getBytes(); os = new ByteArrayOutputStream(); } // ctor public String getName() { return name; } // getName public String getContentType() { return CONTENT_TYPE; } // getContentType public InputStream getInputStream() throws IOException { if (os.size() != 0) { data = os.toByteArray(); } return new ByteArrayInputStream(data == null ? new byte[0] : data); } // getInputStream public OutputStream getOutputStream() throws IOException { if (os.size() != 0) { data = os.toByteArray(); } return new ByteArrayOutputStream(); } // getOutputStream } // class PlainTextDataSource