1 files changed, 161 insertions, 0 deletions
diff --git a/src/main/java/org/pdfbox/cos/COSBoolean.java b/src/main/java/org/pdfbox/cos/COSBoolean.java
new file mode 100644
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+++ b/src/main/java/org/pdfbox/cos/COSBoolean.java
@@ -0,0 +1,161 @@
+/**
+ * Copyright (c) 2003, 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.cos;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+import org.pdfbox.exceptions.COSVisitorException;
+
+/**
+ * This class represents a boolean value in the PDF document.
+ *
+ * @author Ben Litchfield (ben@csh.rit.edu)
+ * @version $Revision: 1.13 $
+ */
+public class COSBoolean extends COSBase
+{
+    /**
+     * The true boolean token.
+     */
+    public static final byte[] TRUE_BYTES = new byte[]{ 116, 114, 117, 101 }; //"true".getBytes( "ISO-8859-1" );
+    /**
+     * The false boolean token.
+     */
+    public static final byte[] FALSE_BYTES = new byte[]{ 102, 97, 108, 115, 101 }; //"false".getBytes( "ISO-8859-1" );
+    
+    /**
+     * The PDF true value.
+     */
+    public static final COSBoolean TRUE = new COSBoolean( true );
+
+    /**
+     * The PDF false value.
+     */
+    public static final COSBoolean FALSE = new COSBoolean( false );
+
+    private boolean value;
+
+    /**
+     * Constructor.
+     *
+     * @param aValue The boolean value.
+     */
+    private COSBoolean(boolean aValue )
+    {
+        value = aValue;
+    }
+
+    /**
+     * This will get the value that this object wraps.
+     *
+     * @return The boolean value of this object.
+     */
+    public boolean getValue()
+    {
+        return value;
+    }
+
+    /**
+     * This will get the value that this object wraps.
+     *
+     * @return The boolean value of this object.
+     */
+    public Boolean getValueAsObject()
+    {
+        return (value?Boolean.TRUE:Boolean.FALSE);
+    }
+
+    /**
+     * This will get the boolean value.
+     *
+     * @param value Parameter telling which boolean value to get.
+     *
+     * @return The single boolean instance that matches the parameter.
+     */
+    public static COSBoolean getBoolean( boolean value )
+    {
+        return (value?TRUE:FALSE);
+    }
+
+    /**
+     * This will get the boolean value.
+     *
+     * @param value Parameter telling which boolean value to get.
+     *
+     * @return The single boolean instance that matches the parameter.
+     */
+    public static COSBoolean getBoolean( Boolean value )
+    {
+        return getBoolean( value.booleanValue() );
+    }
+
+    /**
+     * visitor pattern double dispatch method.
+     *
+     * @param visitor The object to notify when visiting this object.
+     * @return any object, depending on the visitor implementation, or null
+     * @throws COSVisitorException If an error occurs while visiting this object.
+     */
+    public Object accept(ICOSVisitor  visitor) throws COSVisitorException
+    {
+        return visitor.visitFromBoolean(this);
+    }
+
+    /**
+     * Return a string representation of this object.
+     *
+     * @return The string value of this object.
+     */
+    public String toString()
+    {
+        return String.valueOf( value );
+    }
+    
+    /**
+     * This will write this object out to a PDF stream.
+     * 
+     * @param output The stream to write this object out to.
+     * 
+     * @throws IOException If an error occurs while writing out this object.
+     */
+    public void writePDF( OutputStream output ) throws IOException
+    {
+        if( value )
+        {
+            output.write( TRUE_BYTES );
+        }
+        else 
+        {
+            output.write( FALSE_BYTES );
+        }
+    }
+}
+\ No newline at end of file