Import Upstream version 0.7.0

1 files changed, 78 insertions, 0 deletions

diff --git a/elki/src/main/java/de/lmu/ifi/dbs/elki/utilities/xml/XMLNodeIterator.java b/elki/src/main/java/de/lmu/ifi/dbs/elki/utilities/xml/XMLNodeIterator.java
new file mode 100755
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+++ b/elki/src/main/java/de/lmu/ifi/dbs/elki/utilities/xml/XMLNodeIterator.java
@@ -0,0 +1,78 @@
+package de.lmu.ifi.dbs.elki.utilities.xml;
+
+/*
+ This file is part of ELKI:
+ Environment for Developing KDD-Applications Supported by Index-Structures
+
+ Copyright (C) 2015
+ Ludwig-Maximilians-Universität München
+ Lehr- und Forschungseinheit für Datenbanksysteme
+ ELKI Development Team
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import java.util.Iterator;
+
+import org.w3c.dom.Node;
+
+import de.lmu.ifi.dbs.elki.utilities.exceptions.ExceptionMessages;
+
+/**
+ * Simple adapter class to iterate over a DOM tree nodes children.
+ * 
+ * @author Erich Schubert
+ */
+public final class XMLNodeIterator implements Iterator<Node> {
+  /**
+   * Store the next node
+   */
+  private Node next;
+
+  /**
+   * Constructor with first element to iterate over.
+   * 
+   * @param first first child of parent node.
+   */
+  public XMLNodeIterator(Node first) {
+    super();
+    this.next = first;
+  }
+
+  /**
+   * Check if the next node is defined. 
+   */
+  @Override
+  public boolean hasNext() {
+    return (next != null);
+  }
+
+  /**
+   * Return next and advance iterator.
+   */
+  @Override
+  public Node next() {
+    Node cur = next;
+    next = next.getNextSibling();
+    return cur;
+  }
+
+  /**
+   * Removal: unsupported operation.
+   */
+  @Override
+  public void remove() {
+    throw new UnsupportedOperationException(this.getClass().getSimpleName()+": "+ExceptionMessages.UNSUPPORTED_REMOVE);
+  }
+}
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