org.apache.pdfbox.pdmodel.fdf.FDFJavaScript Maven / Gradle / Ivy
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The Apache PDFBox library is an open source Java tool for working with PDF documents.
/*
* 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.pdfbox.pdmodel.fdf;
import java.util.LinkedHashMap;
import java.util.Map;
import org.apache.pdfbox.cos.COSArray;
import org.apache.pdfbox.cos.COSBase;
import org.apache.pdfbox.cos.COSDictionary;
import org.apache.pdfbox.cos.COSName;
import org.apache.pdfbox.cos.COSStream;
import org.apache.pdfbox.cos.COSString;
import org.apache.pdfbox.pdmodel.common.COSObjectable;
import org.apache.pdfbox.pdmodel.interactive.action.PDActionFactory;
import org.apache.pdfbox.pdmodel.interactive.action.PDActionJavaScript;
/**
* This represents an FDF JavaScript dictionary that is part of the FDF document.
*
* @author Ben Litchfield
*/
public class FDFJavaScript implements COSObjectable
{
private final COSDictionary dictionary;
/**
* Default constructor.
*/
public FDFJavaScript()
{
dictionary = new COSDictionary();
}
/**
* Constructor.
*
* @param javaScript The FDF java script.
*/
public FDFJavaScript(COSDictionary javaScript)
{
dictionary = javaScript;
}
/**
* Convert this standard java object to a COS object.
*
* @return The cos object that matches this Java object.
*/
@Override
public COSDictionary getCOSObject()
{
return dictionary;
}
/**
* This will get the javascript that is executed before the import.
*
* @return Some javascript code.
*/
public String getBefore()
{
COSBase base = dictionary.getDictionaryObject(COSName.BEFORE);
if (base instanceof COSString)
{
return ((COSString) base).getString();
}
else if (base instanceof COSStream)
{
return ((COSStream) base).toTextString();
}
else
{
return null;
}
}
/**
* This will set the javascript code the will get execute before the import.
*
* @param before A reference to some javascript code.
*/
public void setBefore(String before)
{
dictionary.setItem(COSName.BEFORE, new COSString(before));
}
/**
* This will get the javascript that is executed after the import.
*
* @return Some javascript code.
*/
public String getAfter()
{
COSBase base = dictionary.getDictionaryObject(COSName.AFTER);
if (base instanceof COSString)
{
return ((COSString) base).getString();
}
else if (base instanceof COSStream)
{
return ((COSStream) base).toTextString();
}
else
{
return null;
}
}
/**
* This will set the javascript code the will get execute after the import.
*
* @param after A reference to some javascript code.
*/
public void setAfter(String after)
{
dictionary.setItem(COSName.AFTER, new COSString(after));
}
/**
* Returns the dictionary's "Doc" entry, that is, a map of key value pairs to be added to the document's JavaScript
* name tree.
*
* @return Map of named "JavaScript" dictionaries.
*/
public Map getDoc()
{
Map map = new LinkedHashMap();
COSArray array = (COSArray) dictionary.getDictionaryObject(COSName.DOC);
if (array == null)
{
return null;
}
for (int i = 0; i < array.size(); i++)
{
PDActionFactory.createAction((COSDictionary) array.getObject(i));
}
return map;
}
/**
* Sets the dictionary's "Doc" entry.
*
* @param map Map of named "JavaScript" dictionaries.
*/
public void setDoc(Map map)
{
COSArray array = new COSArray();
for (Map.Entry entry : map.entrySet())
{
array.add(new COSString(entry.getKey()));
array.add(entry.getValue());
}
dictionary.setItem(COSName.DOC, array);
}
}