org.apache.xmlgraphics.image.loader.impl.ImageLoaderRaw Maven / Gradle / Ivy
/*
* 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: ImageLoaderRaw.java 1391005 2012-09-27 13:39:57Z mehdi $ */
package org.apache.xmlgraphics.image.loader.impl;
import java.io.IOException;
import java.util.Map;
import javax.xml.transform.Source;
import org.apache.xmlgraphics.image.loader.Image;
import org.apache.xmlgraphics.image.loader.ImageException;
import org.apache.xmlgraphics.image.loader.ImageFlavor;
import org.apache.xmlgraphics.image.loader.ImageInfo;
import org.apache.xmlgraphics.image.loader.ImageSessionContext;
import org.apache.xmlgraphics.io.XmlSourceUtil;
/**
* ImageLoader for formats consumed "raw" (undecoded). Provides a raw/undecoded stream.
*/
public class ImageLoaderRaw extends AbstractImageLoader {
private String mime;
private ImageFlavor targetFlavor;
/**
* Main constructor.
* @param targetFlavor the target flavor
*/
public ImageLoaderRaw(ImageFlavor targetFlavor) {
this.targetFlavor = targetFlavor;
this.mime = ImageLoaderFactoryRaw.getMimeForRawFlavor(targetFlavor);
}
/** {@inheritDoc} */
public ImageFlavor getTargetFlavor() {
return this.targetFlavor;
}
/** {@inheritDoc} */
public Image loadImage(ImageInfo info, Map hints, ImageSessionContext session)
throws ImageException, IOException {
if (!this.mime.equals(info.getMimeType())) {
throw new IllegalArgumentException(
"ImageInfo must be from a image with MIME type: " + this.mime);
}
Source src = session.needSource(info.getOriginalURI());
ImageRawStream rawImage = new ImageRawStream(info, getTargetFlavor(),
XmlSourceUtil.needInputStream(src));
return rawImage;
}
}