1 files changed, 152 insertions, 0 deletions
diff --git a/src/main/java/org/pdfbox/pdmodel/interactive/pagenavigation/PDThread.java b/src/main/java/org/pdfbox/pdmodel/interactive/pagenavigation/PDThread.java
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+/**
+ * Copyright (c) 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.interactive.pagenavigation;
+
+import org.pdfbox.cos.COSBase;
+import org.pdfbox.cos.COSDictionary;
+
+import org.pdfbox.pdmodel.PDDocumentInformation;
+import org.pdfbox.pdmodel.common.COSObjectable;
+
+/**
+ * This a single thread in a PDF document.
+ *
+ * @author Ben Litchfield (ben@csh.rit.edu)
+ * @version $Revision: 1.1 $
+ */
+public class PDThread implements COSObjectable
+{
+    
+    
+    private COSDictionary thread;
+
+    /**
+     * Constructor that is used for a preexisting dictionary.
+     *
+     * @param t The underlying dictionary.
+     */
+    public PDThread( COSDictionary t )
+    {
+        thread = t;
+    }
+    
+    /**
+     * Default constructor.
+     *
+     */
+    public PDThread()
+    {
+        thread = new COSDictionary();
+        thread.setName( "Type", "Thread" );
+    }
+
+    /**
+     * This will get the underlying dictionary that this object wraps.
+     *
+     * @return The underlying info dictionary.
+     */
+    public COSDictionary getDictionary()
+    {
+        return thread;
+    }
+    
+    /**
+     * Convert this standard java object to a COS object.
+     *
+     * @return The cos object that matches this Java object.
+     */
+    public COSBase getCOSObject()
+    {
+        return thread;
+    }
+    
+    /**
+     * Get info about the thread, or null if there is nothing.
+     * 
+     * @return The thread information.
+     */
+    public PDDocumentInformation getThreadInfo()
+    {
+        PDDocumentInformation retval = null;
+        COSDictionary info = (COSDictionary)thread.getDictionaryObject( "I" );
+        if( info != null )
+        {
+            retval = new PDDocumentInformation( info );
+        }
+        
+        return retval;
+    }
+    
+    /**
+     * Set the thread info, can be null.
+     * 
+     * @param info The info dictionary about this thread.
+     */
+    public void setThreadInfo( PDDocumentInformation info )
+    {
+        thread.setItem( "I", info );
+    }
+    
+    /**
+     * Get the first bead in the thread, or null if it has not been set yet.  This
+     * is a required field for this object.
+     * 
+     * @return The first bead in the thread.
+     */
+    public PDThreadBead getFirstBead()
+    {
+        PDThreadBead retval = null;
+        COSDictionary bead = (COSDictionary)thread.getDictionaryObject( "F" );
+        if( bead != null )
+        {
+            retval = new PDThreadBead( bead );
+        }
+        
+        return retval;
+    }
+    
+    /**
+     * This will set the first bead in the thread.  When this is set it will
+     * also set the thread property of the bead object.  
+     * 
+     * @param bead The first bead in the thread.
+     */
+    public void setFirstBead( PDThreadBead bead )
+    {
+        if( bead != null )
+        {
+            bead.setThread( this );
+        }
+        thread.setItem( "F", bead );
+    }
+    
+    
+}
+\ No newline at end of file