/* | |
* Copyright 2004,2005 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.apache.ws.commons.attachments.utils; | |
import javax.activation.DataSource; | |
import java.awt.*; | |
import java.io.ByteArrayInputStream; | |
import java.io.ByteArrayOutputStream; | |
import java.io.IOException; | |
import java.io.InputStream; | |
import java.io.OutputStream; | |
public class ImageDataSource implements DataSource { | |
public static final String CONTENT_TYPE = "image/jpeg"; | |
private final String name; | |
private final String contentType; | |
private byte[] data; | |
private ByteArrayOutputStream os; | |
public ImageDataSource(String name, Image data) throws Exception { | |
this(name, CONTENT_TYPE, data); | |
} // ctor | |
public ImageDataSource(String name, String contentType, Image data) throws Exception { | |
this.name = name; | |
this.contentType = contentType == null ? CONTENT_TYPE : contentType; | |
os = new ByteArrayOutputStream(); | |
try { | |
if (data != null) { | |
new ImageIO().saveImage(this.contentType, data, os); | |
} | |
} catch (Exception e) { | |
throw e; | |
} | |
} | |
public String getName() { | |
return name; | |
} // getName | |
public String getContentType() { | |
return contentType; | |
} // getOptimizedContentType | |
public InputStream getInputStream() throws IOException { | |
if (os.size() != 0) { | |
data = os.toByteArray(); | |
os.reset(); | |
} | |
return new ByteArrayInputStream(data == null ? new byte[0] : data); | |
} // getInputStream | |
public OutputStream getOutputStream() throws IOException { | |
if (os.size() != 0) { | |
data = os.toByteArray(); | |
os.reset(); | |
} | |
return os; | |
} // getOutputStream | |
} // class ImageDataSource |