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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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package org.apache.xmlgraphics.image.writer;
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import java.util.Iterator;
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import javax.imageio.ImageIO;
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public final class ImageIOCheckUtility {
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private ImageIOCheckUtility() {
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* Determines whether the JAI ImageIO library is present to run tests
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* @return Returns true if the library is present.
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public static boolean isSunTIFFImageWriterAvailable() {
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Iterator<javax.imageio.ImageWriter> tiffWriters
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= ImageIO.getImageWritersByMIMEType("image/tiff");
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boolean found = false;
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while (tiffWriters.hasNext()) {
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javax.imageio.ImageWriter writer = tiffWriters.next();
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if ("com.sun.media.imageioimpl.plugins.tiff.TIFFImageWriter".equals(
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writer.getClass().getName())) {
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//JAI ImageIO implementation present