/*
Copyright 2008-2010 Stefano Chizzolini. http://www.pdfclown.org
Contributors:
* Stefano Chizzolini (original code developer, http://www.stefanochizzolini.it)
This file should be part of the source code distribution of "PDF Clown library"
(the Program): see the accompanying README files for more info.
This Program is free software; you can redistribute it and/or modify it under the terms
of the GNU Lesser General Public License as published by the Free Software Foundation;
either version 3 of the License, or (at your option) any later version.
This Program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY,
either expressed or implied; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the License for more details.
You should have received a copy of the GNU Lesser General Public License along with this
Program (see README files); if not, go to the GNU website (http://www.gnu.org/licenses/).
Redistribution and use, with or without modification, are permitted provided that such
redistributions retain the above copyright notice, license and disclaimer, along with
this list of conditions.
*/
package org.pdfclown.documents.fileSpecs;
import org.pdfclown.PDF;
import org.pdfclown.VersionEnum;
import org.pdfclown.documents.Document;
import org.pdfclown.objects.PdfArray;
import org.pdfclown.objects.PdfDirectObject;
import org.pdfclown.objects.PdfIndirectObject;
import org.pdfclown.objects.PdfObjectWrapper;
import org.pdfclown.objects.PdfTextString;
import org.pdfclown.util.NotImplementedException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
Embedded files referenced by another one (dependencies) [PDF:1.6:3.10.3].
@author Stefano Chizzolini (http://www.stefanochizzolini.it)
@since 0.0.7
@version 0.1.0
*/
@PDF(VersionEnum.PDF13)
public final class RelatedFiles
extends PdfObjectWrapper<PdfArray>
implements Map<String,EmbeddedFile>
{
// <class>
// <classes>
private class Entry
implements Map.Entry<String,EmbeddedFile>
{
// <class>
// <dynamic>
// <fields>
private final String key;
private final EmbeddedFile value;
// </fields>
// <constructors>
private Entry(
String key,
EmbeddedFile value
)
{
this.key = key;
this.value = value;
}
// </constructors>
// <interface>
// <public>
// <Map.Entry>
public String getKey(
)
{return key;}
public EmbeddedFile getValue(
)
{return value;}
public EmbeddedFile setValue(
EmbeddedFile value
)
{throw new UnsupportedOperationException();}
// </Map.Entry>
// </public>
// </interface>
// </dynamic>
// </class>
}
// </classes>
// <dynamic>
// <constructors>
public RelatedFiles(
Document context
)
{
super(
context.getFile(),
new PdfArray()
);
}
RelatedFiles(
PdfDirectObject baseObject,
PdfIndirectObject container
)
{super(baseObject,container);}
// </constructors>
// <interface>
// <public>
@Override
public RelatedFiles clone(
Document context
)
{throw new NotImplementedException();}
// <Map>
@Override
public void clear(
)
{getBaseDataObject().clear();}
@Override
public boolean containsKey(
Object key
)
{
PdfArray itemPairs = getBaseDataObject();
for(
int index = 0,
length = itemPairs.size();
index < length;
index += 2
)
{
if(((PdfTextString)itemPairs.get(index)).getValue().equals(key))
return true;
}
return false;
}
@Override
public boolean containsValue(
Object value
)
{
PdfArray itemPairs = getBaseDataObject();
for(
int index = 1,
length = itemPairs.size();
index < length;
index += 2
)
{
if(itemPairs.get(index).equals(value))
return true;
}
return false;
}
@Override
public Set<Map.Entry<String,EmbeddedFile>> entrySet(
)
{
HashSet<Map.Entry<String,EmbeddedFile>> entrySet = new HashSet<Map.Entry<String,EmbeddedFile>>();
PdfArray itemPairs = getBaseDataObject();
for(
int index = 0,
length = itemPairs.size();
index < length;
index += 2
)
{
entrySet.add(
new Entry(
(String)((PdfTextString)itemPairs.get(index)).getValue(),
new EmbeddedFile(itemPairs.get(index+1))
)
);
}
return entrySet;
}
@Override
public boolean equals(
Object object
)
{throw new NotImplementedException();}
@Override
public EmbeddedFile get(
Object key
)
{
PdfArray itemPairs = getBaseDataObject();
for(
int index = 0,
length = itemPairs.size();
index < length;
index += 2
)
{
if(((PdfTextString)itemPairs.get(index)).getValue().equals(key))
return new EmbeddedFile(itemPairs.get(index+1));
}
return null;
}
@Override
public int hashCode(
)
{throw new NotImplementedException();}
@Override
public boolean isEmpty(
)
{return (getBaseDataObject().size() == 0);}
@Override
public Set<String> keySet(
)
{
HashSet<String> keySet = new HashSet<String>();
PdfArray itemPairs = getBaseDataObject();
for(
int index = 0,
length = itemPairs.size();
index < length;
index += 2
)
{
keySet.add(
(String)((PdfTextString)itemPairs.get(index)).getValue()
);
}
return keySet;
}
@Override
public EmbeddedFile put(
String key,
EmbeddedFile value
)
{
PdfArray itemPairs = getBaseDataObject();
for(
int index = 0,
length = itemPairs.size();
index < length;
index += 2
)
{
// Already existing entry?
if(((PdfTextString)itemPairs.get(index)).getValue().equals(key))
{
EmbeddedFile oldEmbeddedFile = new EmbeddedFile(itemPairs.get(index+1));
itemPairs.set(index+1,value.getBaseObject());
return oldEmbeddedFile;
}
}
// New entry.
itemPairs.add(new PdfTextString(key));
itemPairs.add(value.getBaseObject());
return null;
}
@Override
public void putAll(
Map<? extends String,? extends EmbeddedFile> entries
)
{throw new NotImplementedException();}
@Override
public EmbeddedFile remove(
Object key
)
{
PdfArray itemPairs = getBaseDataObject();
for(
int index = 0,
length = itemPairs.size();
index < length;
index += 2
)
{
if(((PdfTextString)itemPairs.get(index)).getValue().equals(key))
{
itemPairs.remove(index); // Key removed.
return new EmbeddedFile(itemPairs.remove(index)); // Value removed.
}
}
return null;
}
@Override
public int size(
)
{return getBaseDataObject().size();}
@Override
public Collection<EmbeddedFile> values(
)
{
List<EmbeddedFile> values = new ArrayList<EmbeddedFile>();
PdfArray itemPairs = getBaseDataObject();
for(
int index = 1,
length = itemPairs.size();
index < length;
index += 2
)
{
values.add(
new EmbeddedFile(itemPairs.get(index))
);
}
return values;
}
// </Map>
// </public>
// </interface>
// </dynamic>
// </class>
}