1 files changed, 131 insertions, 0 deletions
diff --git a/src/main/java/org/pdfbox/persistence/util/COSObjectKey.java b/src/main/java/org/pdfbox/persistence/util/COSObjectKey.java
new file mode 100644
index 0000000..4a4d778
--- /dev/null
+++ b/src/main/java/org/pdfbox/persistence/util/COSObjectKey.java
@@ -0,0 +1,131 @@
+/**
+ * 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.persistence.util;
+
+import org.pdfbox.cos.COSObject;
+
+/**
+ * object representing the physical reference to an indirect pdf object.
+ *
+ * @author Michael Traut
+ * @version $Revision: 1.4 $
+ */
+
+public class COSObjectKey
+{
+    private long number;
+    private long generation;
+
+    /**
+     * PDFObjectKey constructor comment.
+     *
+     * @param object The object that this key will represent.
+     */
+    public COSObjectKey(COSObject object)
+    {
+        this( object.getObjectNumber().longValue(), object.getGenerationNumber().longValue() );
+    }
+    
+    /**
+     * PDFObjectKey constructor comment.
+     *
+     * @param num The object number.
+     * @param gen The object generation number.
+     */
+    public COSObjectKey(long num, long gen)
+    {
+        setNumber(num);
+        setGeneration(gen);
+    }
+
+    /**
+     * @see Object#equals( Object )
+     */
+    public boolean equals(Object obj)
+    {
+        return (obj instanceof COSObjectKey) &&
+               ((COSObjectKey)obj).getNumber() == getNumber() &&
+               ((COSObjectKey)obj).getGeneration() == getGeneration();
+    }
+
+    /**
+     * This will get the generation number.
+     *
+     * @return The objects generation number.
+     */
+    public long getGeneration()
+    {
+        return generation;
+    }
+    /**
+     * This will get the objects id.
+     *
+     * @return The object's id.
+     */
+    public long getNumber()
+    {
+        return number;
+    }
+
+    /**
+     * @see Object#hashCode()
+     */
+    public int hashCode()
+    {
+        return (int)(number + generation);
+    }
+    /**
+     * This will set the objects generation number.
+     *
+     * @param newGeneration The objects generation number.
+     */
+    public void setGeneration(long newGeneration)
+    {
+        generation = newGeneration;
+    }
+    /**
+     * This will set the objects id.
+     *
+     * @param newNumber The objects number.
+     */
+    public void setNumber(long newNumber)
+    {
+        number = newNumber;
+    }
+
+    /**
+     * @see Object#toString()
+     */
+    public String toString()
+    {
+        return "" + getNumber() + " " + getGeneration() + " R";
+    }
+}
+\ No newline at end of file