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Apache CXF example source code file (ImageDataContentHandler.java)
The Apache CXF ImageDataContentHandler.java source code/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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.cxf.attachment; import java.awt.Component; import java.awt.Graphics; import java.awt.Image; import java.awt.MediaTracker; import java.awt.datatransfer.DataFlavor; import java.awt.datatransfer.UnsupportedFlavorException; import java.awt.image.BufferedImage; import java.io.IOException; import java.io.OutputStream; import java.util.Iterator; import javax.activation.ActivationDataFlavor; import javax.activation.DataContentHandler; import javax.activation.DataSource; import javax.imageio.ImageIO; import javax.imageio.ImageWriter; import javax.imageio.stream.ImageOutputStream; /** * */ public class ImageDataContentHandler implements DataContentHandler { private static final DataFlavor[] FLAVORS; static { String[] types = ImageIO.getReaderMIMETypes(); FLAVORS = new DataFlavor[types.length]; int i = 0; for (String type : types) { FLAVORS[i++] = new ActivationDataFlavor(Image.class, type, "Image"); } } public Object getContent(DataSource ds) throws IOException { return ImageIO.read(ds.getInputStream()); } public Object getTransferData(DataFlavor df, DataSource ds) throws UnsupportedFlavorException, IOException { for (DataFlavor f : FLAVORS) { if (f.equals(df)) { return getContent(ds); } } return null; } public DataFlavor[] getTransferDataFlavors() { return FLAVORS; } public void writeTo(Object obj, String mimeType, OutputStream os) throws IOException { Iterator<ImageWriter> writers = ImageIO.getImageWritersByMIMEType(mimeType); if (writers.hasNext()) { ImageWriter writer = writers.next(); BufferedImage bimg = convertToBufferedImage((Image)obj); ImageOutputStream out = ImageIO.createImageOutputStream(os); writer.setOutput(out); writer.write(bimg); writer.dispose(); out.flush(); out.close(); } else { throw new IOException("Attachment type not spported " + obj.getClass()); } } private static BufferedImage convertToBufferedImage(Image image) throws IOException { if (image instanceof BufferedImage) { return (BufferedImage)image; } // Wait until the image is completely loaded MediaTracker tracker = new MediaTracker(new Component() { }); tracker.addImage(image, 0); try { tracker.waitForAll(); } catch (InterruptedException e) { IOException ioe = new IOException(e.getMessage()); ioe.initCause(e); throw ioe; } // Create a BufferedImage so we can write it out later BufferedImage bufImage = new BufferedImage( image.getWidth(null), image.getHeight(null), BufferedImage.TYPE_INT_ARGB); Graphics g = bufImage.createGraphics(); g.drawImage(image, 0, 0, null); g.dispose(); return bufImage; } } Other Apache CXF examples (source code examples)Here is a short list of links related to this Apache CXF ImageDataContentHandler.java source code file: |
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