org.apache.sling.commons.contentdetection.ContentAwareMimeTypeService 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.
*/
package org.apache.sling.commons.contentdetection;
import org.apache.sling.commons.mime.MimeTypeService;
import java.io.IOException;
import java.io.InputStream;
/**
* The ContentAwareMimeTypeService
interface extends the
* {@link org.apache.sling.commons.mime.MimeTypeService} API for services
* which can detect mime types based on the content passed to them.
*
* The implementing services should rely on analyzing the content to ascertain
* the mime type. This interface may be implemented by bundles wishing to provide
* a mechanism to detect mime type based on the contents.
*/
public interface ContentAwareMimeTypeService extends MimeTypeService {
/**
* @param filename Used if content
is null
or if
* this service does not support content-based detection
* @param contentStream Optional stream that points to the content to analyze,
* must support mark/reset.
* @throws IllegalArgumentException if contentStream does not support mark/reset
* @throws IOException if there's a problem reading the contentStream
* @return the mime type
*/
String getMimeType(String filename, InputStream contentStream) throws IOException, IllegalArgumentException;
}