diff options
Diffstat (limited to 'src/main/java/org/pdfbox/pdmodel/common/PDNameTreeNode.java')
| -rw-r--r-- | src/main/java/org/pdfbox/pdmodel/common/PDNameTreeNode.java | 337 |
1 files changed, 0 insertions, 337 deletions
diff --git a/src/main/java/org/pdfbox/pdmodel/common/PDNameTreeNode.java b/src/main/java/org/pdfbox/pdmodel/common/PDNameTreeNode.java deleted file mode 100644 index 4a79d10..0000000 --- a/src/main/java/org/pdfbox/pdmodel/common/PDNameTreeNode.java +++ /dev/null @@ -1,337 +0,0 @@ -/**
- * Copyright (c) 2004-2005, www.pdfbox.org
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of pdfbox; nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * http://www.pdfbox.org
- *
- */
-package org.pdfbox.pdmodel.common;
-
-import java.io.IOException;
-import java.lang.reflect.Constructor;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import org.pdfbox.cos.COSArray;
-import org.pdfbox.cos.COSBase;
-import org.pdfbox.cos.COSDictionary;
-import org.pdfbox.cos.COSString;
-
-/**
- * This class represends a PDF Name tree. See the PDF Reference 1.5 section 3.8.5
- * for more details.
- *
- * @author Ben Litchfield (ben@benlitchfield.com)
- * @version $Revision: 1.3 $
- */
-public class PDNameTreeNode implements COSObjectable
-{
- private COSDictionary node;
- private Class valueType = null;
-
- /**
- * Constructor.
- *
- * @param valueClass The PD Model type of object that is the value.
- */
- public PDNameTreeNode( Class valueClass )
- {
- node = new COSDictionary();
- valueType = valueClass;
- }
-
- /**
- * Constructor.
- *
- * @param dict The dictionary that holds the name information.
- * @param valueClass The PD Model type of object that is the value.
- */
- public PDNameTreeNode( COSDictionary dict, Class valueClass )
- {
- node = dict;
- valueType = valueClass;
- }
-
- /**
- * Convert this standard java object to a COS object.
- *
- * @return The cos object that matches this Java object.
- */
- public COSBase getCOSObject()
- {
- return node;
- }
-
- /**
- * Convert this standard java object to a COS object.
- *
- * @return The cos object that matches this Java object.
- */
- public COSDictionary getCOSDictionary()
- {
- return node;
- }
-
- /**
- * Return the children of this node. This list will contain PDNameTreeNode objects.
- *
- * @return The list of children or null if there are no children.
- */
- public List getKids()
- {
-
- List retval = null;
- COSArray kids = (COSArray)node.getDictionaryObject( "Kids" );
- if( kids != null )
- {
- List pdObjects = new ArrayList();
- for( int i=0; i<kids.size(); i++ )
- {
- pdObjects.add( createChildNode( (COSDictionary)kids.getObject(i) ) );
- }
- retval = new COSArrayList(pdObjects,kids);
- }
-
- return retval;
- }
-
- /**
- * Set the children of this named tree.
- *
- * @param kids The children of this named tree.
- */
- public void setKids( List kids )
- {
- node.setItem( "Kids", COSArrayList.converterToCOSArray( kids ) );
- }
-
- /**
- * The name to retrieve.
- *
- * @param name The name in the tree.
- *
- * @return The value of the name in the tree.
- *
- * @throws IOException If an there is a problem creating the destinations.
- */
- public Object getValue( String name ) throws IOException
- {
- Object retval = null;
- Map names = getNames();
- if( names != null )
- {
- retval = names.get( name );
- }
- else
- {
- List kids = getKids();
- for( int i=0; i<kids.size() && retval == null; i++ )
- {
- PDNameTreeNode childNode = (PDNameTreeNode)kids.get( i );
- if( childNode.getLowerLimit().compareTo( name ) <= 0 &&
- childNode.getUpperLimit().compareTo( name ) >= 0 )
- {
- retval = childNode.getValue( name );
- }
- }
- }
- return retval;
- }
-
-
- /**
- * This will return a map of names. The key will be a java.lang.String the value will
- * depend on where this class is being used.
- *
- * @return A map of cos objects.
- *
- * @throws IOException If there is an error while creating the sub types.
- */
- public Map getNames() throws IOException
- {
- Map names = null;
- COSArray namesArray = (COSArray)node.getDictionaryObject( "Names" );
- if( namesArray != null )
- {
- names = new HashMap();
- for( int i=0; i<namesArray.size(); i+=2 )
- {
- COSString key = (COSString)namesArray.getObject(i);
- COSBase cosValue = namesArray.getObject( i+1 );
- Object pdValue = convertCOSToPD( cosValue );
-
- names.put( key.getString(), pdValue );
- }
- names = Collections.unmodifiableMap(names);
- }
-
- return names;
- }
-
- /**
- * Method to convert the COS value in the name tree to the PD Model object. The
- * default implementation will simply use reflection to create the correct object
- * type. Subclasses can do whatever they want.
- *
- * @param base The COS object to convert.
- * @return The converted PD Model object.
- * @throws IOException If there is an error during creation.
- */
- protected Object convertCOSToPD( COSBase base ) throws IOException
- {
- Object retval = null;
- try
- {
- Constructor ctor = valueType.getConstructor( new Class[] { base.getClass() } );
- retval = ctor.newInstance( new Object[] { base } );
- }
- catch( Throwable t )
- {
- throw new IOException( "Error while trying to create value in named tree:" + t.getMessage());
-
- }
- return retval;
- }
-
- /**
- * Create a child node object.
- *
- * @param dic The dictionary for the child node object to refer to.
- * @return The new child node object.
- */
- protected PDNameTreeNode createChildNode( COSDictionary dic )
- {
- return new PDNameTreeNode(dic,valueType);
- }
-
- /**
- * Set the names of for this node. The keys should be java.lang.String and the
- * values must be a COSObjectable. This method will set the appropriate upper and lower
- * limits based on the keys in the map.
- *
- * @param names The map of names to objects.
- */
- public void setNames( Map names )
- {
- if( names == null )
- {
- node.setItem( "Names", (COSObjectable)null );
- node.setItem( "Limits", (COSObjectable)null);
- }
- else
- {
- List keys = new ArrayList( names.keySet() );
- Collections.sort( keys );
- COSArray array = new COSArray();
- for( int i=0; i<keys.size(); i++ )
- {
- String key = (String)keys.get(i);
- array.add( new COSString( key ) );
- COSObjectable obj = (COSObjectable)names.get( key );
- array.add( obj );
- }
- String lower = null;
- String upper = null;
- if( keys.size() > 0 )
- {
- lower = (String)keys.get( 0 );
- upper = (String)keys.get( keys.size()-1 );
- }
- setUpperLimit( upper );
- setLowerLimit( lower );
- node.setItem( "Names", array );
- }
- }
-
- /**
- * Get the highest value for a key in the name map.
- *
- * @return The highest value for a key in the map.
- */
- public String getUpperLimit()
- {
- String retval = null;
- COSArray arr = (COSArray)node.getDictionaryObject( "Limits" );
- if( arr != null )
- {
- retval = arr.getString( 1 );
- }
- return retval;
- }
-
- /**
- * Set the highest value for the key in the map.
- *
- * @param upper The new highest value for a key in the map.
- */
- private void setUpperLimit( String upper )
- {
- COSArray arr = (COSArray)node.getDictionaryObject( "Limits" );
- if( arr == null )
- {
- arr = new COSArray();
- arr.add( null );
- arr.add( null );
- }
- arr.setString( 1, upper );
- }
-
- /**
- * Get the lowest value for a key in the name map.
- *
- * @return The lowest value for a key in the map.
- */
- public String getLowerLimit()
- {
- String retval = null;
- COSArray arr = (COSArray)node.getDictionaryObject( "Limits" );
- if( arr != null )
- {
- retval = arr.getString( 0 );
- }
- return retval;
- }
-
- /**
- * Set the lowest value for the key in the map.
- *
- * @param lower The new lowest value for a key in the map.
- */
- private void setLowerLimit( String lower )
- {
- COSArray arr = (COSArray)node.getDictionaryObject( "Limits" );
- if( arr == null )
- {
- arr = new COSArray();
- arr.add( null );
- arr.add( null );
- }
- arr.setString( 0, lower );
- }
-}
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