Helper class for debugging stuff in Image I/O.
/* * 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. */ /* $Id: ImageIODebugUtil.java 610706 2008-01-10 08:14:18Z jeremias $ */ import javax.imageio.metadata.IIOMetadata; import javax.imageio.metadata.IIOMetadataFormatImpl; import javax.xml.transform.OutputKeys; import javax.xml.transform.Result; import javax.xml.transform.Source; import javax.xml.transform.Transformer; import javax.xml.transform.TransformerFactory; import javax.xml.transform.dom.DOMSource; import javax.xml.transform.stream.StreamResult; import org.w3c.dom.Node; /** * Helper class for debugging stuff in Image I/O. * * @version $Id: ImageIODebugUtil.java 610706 2008-01-10 08:14:18Z jeremias $ */ public class ImageIODebugUtil { public static void dumpMetadata(IIOMetadata meta, boolean nativeFormat) { String format; if (nativeFormat) { format = meta.getNativeMetadataFormatName(); } else { format = IIOMetadataFormatImpl.standardMetadataFormatName; } Node node = meta.getAsTree(format); dumpNode(node); } public static void dumpNode(Node node) { try { TransformerFactory tf = TransformerFactory.newInstance(); Transformer t = tf.newTransformer(); t.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes"); Source src = new DOMSource(node); Result res = new StreamResult(System.out); t.transform(src, res); System.out.println(); } catch (Exception e) { e.printStackTrace(); } } }