1 files changed, 86 insertions, 0 deletions
diff --git a/src/main/java/org/pdfbox/cos/COSBase.java b/src/main/java/org/pdfbox/cos/COSBase.java
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+/**
+ * Copyright (c) 2003-2005, 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.cos;
+
+import org.pdfbox.filter.FilterManager;
+import org.pdfbox.pdmodel.common.COSObjectable;
+
+import org.pdfbox.exceptions.COSVisitorException;
+
+/**
+ * The base object that all objects in the PDF document will extend.
+ *
+ * @author Ben Litchfield (ben@benlitchfield.com)
+ * @version $Revision: 1.13 $
+ */
+public abstract class COSBase implements COSObjectable
+{
+    /**
+     * Constructor.
+     */
+    public COSBase()
+    {
+    }
+
+    /**
+     * This will get the filter manager to use to filter streams.
+     *
+     * @return The filter manager.
+     */
+    public FilterManager getFilterManager()
+    {
+        /**
+         * @todo move this to PDFdocument or something better
+         */
+        return new FilterManager();
+    }
+    
+    /**
+     * Convert this standard java object to a COS object.
+     *
+     * @return The cos object that matches this Java object.
+     */
+    public COSBase getCOSObject()
+    {
+        return this;
+    }
+
+
+
+    /**
+     * 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 abstract Object accept(ICOSVisitor visitor) throws COSVisitorException;
+}
+\ No newline at end of file