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/*
* Copyright 2004-2005 The Apache Software Foundation.
*
* Licensed 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.
*/
/* $Id$ */
package org.apache.fop.area;
/**
* Abstract base class for objects that are processed by the renderer outside
* of the actual document.
* This object can be handled by the renderer according to these
* possibilities: IMMEDIATELY, AFTER_PAGE, START_OF_DOC or END_OF_DOC.
*/
public abstract class AbstractOffDocumentItem implements OffDocumentItem {
/**
* Process this extension immediately when
* being handled by the area tree.
*/
public static final int IMMEDIATELY = 0;
/**
* Process this extension after the next page is rendered
* or prepared when being handled by the area tree.
*/
public static final int AFTER_PAGE = 1;
/**
* Process this extension at the end of the document once
* all pages have been fully rendered.
*/
public static final int END_OF_DOC = 2;
/**
* Process this extension at the start of the document right
* before the first page-sequence is processed.
*/
public static final int START_OF_DOC = 2;
/** Indicates in what phase the item should be processed. */
protected int whenToProcess = IMMEDIATELY;
/**
* Get an indicator of when this item should be processed
* @return int constant (IMMEDIATELY, AFTER_PAGE, START_OF_DOC, END_OF_DOC)
*/
public int getWhenToProcess() {
return whenToProcess;
}
/**
* Return a human-readable name for this ODI (for error messages, etc.)
* @return String name of ODI
*/
public abstract String getName();
}
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