--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/NGSrich_0.5.5/src/org/jdom/filter/ElementFilter.java	Mon Nov 21 08:12:19 2011 -0500
@@ -0,0 +1,189 @@
+/*--
+
+ $Id: ElementFilter.java,v 1.20 2007/11/10 05:29:00 jhunter Exp $
+
+ Copyright (C) 2000-2007 Jason Hunter & Brett McLaughlin.
+ 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 disclaimer that follows
+    these conditions in the documentation and/or other materials
+    provided with the distribution.
+
+ 3. The name "JDOM" must not be used to endorse or promote products
+    derived from this software without prior written permission.  For
+    written permission, please contact <request_AT_jdom_DOT_org>.
+
+ 4. Products derived from this software may not be called "JDOM", nor
+    may "JDOM" appear in their name, without prior written permission
+    from the JDOM Project Management <request_AT_jdom_DOT_org>.
+
+ In addition, we request (but do not require) that you include in the
+ end-user documentation provided with the redistribution and/or in the
+ software itself an acknowledgement equivalent to the following:
+     "This product includes software developed by the
+      JDOM Project (http://www.jdom.org/)."
+ Alternatively, the acknowledgment may be graphical using the logos
+ available at http://www.jdom.org/images/logos.
+
+ THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 JDOM AUTHORS OR THE PROJECT
+ 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.
+
+ This software consists of voluntary contributions made by many
+ individuals on behalf of the JDOM Project and was originally
+ created by Jason Hunter <jhunter_AT_jdom_DOT_org> and
+ Brett McLaughlin <brett_AT_jdom_DOT_org>.  For more information
+ on the JDOM Project, please see <http://www.jdom.org/>.
+
+ */
+
+package org.jdom.filter;
+
+import java.io.*;
+import org.jdom.*;
+
+/**
+ * A Filter that only matches {@link org.jdom.Element} objects.
+ *
+ * @version $Revision: 1.20 $, $Date: 2007/11/10 05:29:00 $
+ * @author  Jools Enticknap
+ * @author  Bradley S. Huffman
+ */
+public class ElementFilter extends AbstractFilter {
+
+    private static final String CVS_ID =
+      "@(#) $RCSfile: ElementFilter.java,v $ $Revision: 1.20 $ $Date: 2007/11/10 05:29:00 $ $Name: jdom_1_1_1 $";
+
+    /** The element name */
+    private String name;
+
+    /** The element namespace */
+    private transient Namespace namespace;
+
+    /**
+     * Select only the Elements.
+     */
+    public ElementFilter() {}
+
+    /**
+     * Select only the Elements with the supplied name in any Namespace.
+     *
+     * @param name   The name of the Element.
+     */
+    public ElementFilter(String name) {
+        this.name   = name;
+    }
+
+    /**
+     * Select only the Elements with the supplied Namespace.
+     *
+     * @param namespace The namespace the Element lives in.
+     */
+    public ElementFilter(Namespace namespace) {
+        this.namespace = namespace;
+    }
+
+    /**
+     * Select only the Elements with the supplied name and Namespace.
+     *
+     * @param name   The name of the Element.
+     * @param namespace The namespace the Element lives in.
+     */
+    public ElementFilter(String name, Namespace namespace) {
+        this.name   = name;
+        this.namespace = namespace;
+    }
+
+    /**
+     * Check to see if the object matches a predefined set of rules.
+     *
+     * @param obj The object to verify.
+     * @return <code>true</code> if the objected matched a predfined
+     *           set of rules.
+     */
+    public boolean matches(Object obj) {
+        if (obj instanceof Element) {
+            Element el = (Element) obj;
+            return
+              (this.name == null || this.name.equals(el.getName())) &&
+              (this.namespace == null || this.namespace.equals(el.getNamespace()));
+        }
+        return false;
+    }
+
+    /**
+     * Returns whether the two filters are equivalent (i&#46;e&#46; the
+     * matching names and namespace are equivalent).
+     *
+     * @param  obj                   the object to compare against
+     * @return                     whether the two filters are equal
+     */
+    public boolean equals(Object obj) {
+        // Generated by IntelliJ
+        if (this == obj) return true;
+        if (!(obj instanceof ElementFilter)) return false;
+
+        final ElementFilter filter = (ElementFilter) obj;
+
+        if (name != null ? !name.equals(filter.name) : filter.name != null) return false;
+        if (namespace != null ? !namespace.equals(filter.namespace) : filter.namespace != null) return false;
+
+        return true;
+    }
+
+    public int hashCode() {
+        // Generated by IntelliJ
+        int result;
+        result = (name != null ? name.hashCode() : 0);
+        result = 29 * result + (namespace != null ? namespace.hashCode() : 0);
+        return result;
+    }
+
+    // Support a custom Namespace serialization so no two namespace
+    // object instances may exist for the same prefix/uri pair
+    private void writeObject(ObjectOutputStream out) throws IOException {
+
+        out.defaultWriteObject();
+
+        // We use writeObject() and not writeUTF() to minimize space
+        // This allows for writing pointers to already written strings
+        if (namespace != null) {
+            out.writeObject(namespace.getPrefix());
+            out.writeObject(namespace.getURI());
+        }
+        else {
+            out.writeObject(null);
+            out.writeObject(null);
+        }
+    }
+
+    private void readObject(ObjectInputStream in)
+            throws IOException, ClassNotFoundException {
+
+        in.defaultReadObject();
+
+        Object prefix = in.readObject();
+        Object uri = in.readObject();
+
+        if (prefix != null) {  // else leave namespace null here
+            namespace = Namespace.getNamespace((String) prefix, (String) uri);
+        }
+    }
+}