org.opencastproject.mediapackage.elementbuilder.AbstractElementBuilderPlugin Maven / Gradle / Ivy
/*
* Licensed to The Apereo Foundation under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional
* information regarding copyright ownership.
*
*
* The Apereo Foundation licenses this file to you under the Educational
* Community 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://opensource.org/licenses/ecl2.txt
*
* 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.opencastproject.mediapackage.elementbuilder;
import org.opencastproject.util.MimeType;
import java.util.List;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathFactory;
/**
* This general implementation of a media package element builder supports specialized implementations by providing
* tests on the filename an mime type of the file in question.
*/
public abstract class AbstractElementBuilderPlugin implements MediaPackageElementBuilderPlugin {
/** The registered mime types */
protected List mimeTypes = null;
/** The xpath facility */
protected XPath xpath = XPathFactory.newInstance().newXPath();
/** The builder's priority */
protected int priority = -1;
/**
* Creates a new abstract element builder plugin.
*/
public AbstractElementBuilderPlugin() {
}
/**
* This is a convenience implementation for subclasses doing nothing.
*
* @see org.opencastproject.mediapackage.elementbuilder.MediaPackageElementBuilderPlugin#init()
*/
public void init() {
}
/**
* This is a convenience implementation for subclasses doing nothing.
*
* @see org.opencastproject.mediapackage.elementbuilder.MediaPackageElementBuilderPlugin#destroy()
*/
public void destroy() {
}
/**
* Returns -1 by default.
*/
public int getPriority() {
return priority;
}
public void setPriority(int priority) {
this.priority = priority;
}
}