org.apache.fop.area.OffDocumentItem 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: OffDocumentItem.java 679326 2008-07-24 09:35:34Z vhennebert $ */
package org.apache.fop.area;
/**
* Interface for objects that are processed by the renderer outside
* of the actual document.
* An object implementing this interface can be handled by the renderer according to these
* possibilities: IMMEDIATELY, AFTER_PAGE or END_OF_DOC.
*/
public interface OffDocumentItem {
/**
* Process this extension immediately when
* being handled by the area tree.
*/
int IMMEDIATELY = 0;
/**
* Process this extension after the next page is rendered
* or prepared when being handled by the area tree.
*/
int AFTER_PAGE = 1;
/**
* Process this extension at the end of the document once
* all pages have been fully rendered.
*/
int END_OF_DOC = 2;
/**
* Get an indicator of when this item should be processed
* @return int constant (IMMEDIATELY, AFTER_PAGE, END_OF_DOC)
*/
int getWhenToProcess();
/**
* Return a human-readable name for this ODI (for error messages, etc.)
* @return String name of ODI
*/
String getName();
}