org.apache.pdfbox.pdmodel.common.filespecification.PDFileSpecification 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.common.filespecification;
import java.io.IOException;
import org.apache.pdfbox.cos.COSBase;
import org.apache.pdfbox.cos.COSDictionary;
import org.apache.pdfbox.cos.COSString;
import org.apache.pdfbox.pdmodel.common.COSObjectable;
/**
* This represents a file specification.
*
* @author Ben Litchfield
*/
public abstract class PDFileSpecification implements COSObjectable
{
/**
* A file specfication can either be a COSString or a COSDictionary. This
* will create the file specification either way.
*
* @param base The cos object that describes the fs.
*
* @return The file specification for the COSBase object.
*
* @throws IOException If there is an error creating the file spec.
*/
public static PDFileSpecification createFS( COSBase base ) throws IOException
{
PDFileSpecification retval = null;
if( base == null )
{
//then simply return null
}
else if( base instanceof COSString )
{
retval = new PDSimpleFileSpecification( (COSString)base );
}
else if( base instanceof COSDictionary )
{
retval = new PDComplexFileSpecification( (COSDictionary)base );
}
else
{
throw new IOException( "Error: Unknown file specification " + base );
}
return retval;
}
/**
* This will get the file name.
*
* @return The file name.
*/
public abstract String getFile();
/**
* This will set the file name.
*
* @param file The name of the file.
*/
public abstract void setFile( String file );
}