1 files changed, 152 insertions, 0 deletions
diff --git a/ooxml/source/framework/SchemaParser/src/org/apache/openoffice/ooxml/schema/model/complex/OccurrenceIndicator.java b/ooxml/source/framework/SchemaParser/src/org/apache/openoffice/ooxml/schema/model/complex/OccurrenceIndicator.java
new file mode 100644
index 000000000000..dcc41bfbb7ce
--- /dev/null
+++ b/ooxml/source/framework/SchemaParser/src/org/apache/openoffice/ooxml/schema/model/complex/OccurrenceIndicator.java
@@ -0,0 +1,152 @@
+/**************************************************************
+*
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied.  See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*
+*************************************************************/
+
+package org.apache.openoffice.ooxml.schema.model.complex;
+
+import org.apache.openoffice.ooxml.schema.model.base.INodeVisitor;
+import org.apache.openoffice.ooxml.schema.model.base.Location;
+import org.apache.openoffice.ooxml.schema.model.base.Node;
+import org.apache.openoffice.ooxml.schema.model.base.NodeType;
+
+/** An occurrence indicator is based on a minimum and a maximum value.
+ *  The minimum value is 0 or larger.  If it is 0 then the child node is optional.
+ *  The maximum value is at least as large as the minimum value.
+ *  It can be 'unbounded' in which case the child node can appear any number of times.
+ *  'Unbounded' is internally stored as -1.
+ *
+ *  An OccurrenceIndicator represents the minOccur and maxOccur attributes of
+ *  XML schema elements.
+ *
+ *  There is usually exactly one child.
+ */
+public class OccurrenceIndicator
+    extends Node
+{
+    public static int unbounded = -1;
+
+    public OccurrenceIndicator (
+        final Node aParent,
+        final String sMinimum,
+        final String sMaximum,
+        final Location aLocation)
+    {
+        super(aParent, null, aLocation);
+
+        mnMinimum = ParseValue(sMinimum);
+        mnMaximum = ParseValue(sMaximum);
+
+        assert(mnMinimum>=0);
+        assert(mnMaximum==unbounded || mnMaximum>=mnMinimum);
+    }
+
+
+
+
+    @Override
+    public NodeType GetNodeType ()
+    {
+        return NodeType.OccurrenceIndicator;
+    }
+
+
+
+
+    /** Return a string version of the minimum value for textual display.
+     */
+    public String GetDisplayMinimum ()
+    {
+        return Integer.toString(mnMinimum);
+    }
+
+
+
+
+    /** Return a string version of the maximum value for textual display.
+     */
+    public String GetDisplayMaximum ()
+    {
+        if (mnMaximum == unbounded)
+            return "unbounded";
+        else
+            return Integer.toString(mnMaximum);
+    }
+
+
+
+
+    public int GetMinimum ()
+    {
+        return mnMinimum;
+    }
+
+
+
+
+    public int GetMaximum ()
+    {
+        return mnMaximum;
+    }
+
+
+
+
+    @Override
+    public void AcceptVisitor (final INodeVisitor aVisitor)
+    {
+        aVisitor.Visit(this);
+    }
+
+
+
+
+    @Override
+    public String toString ()
+    {
+        return String.format("occurrence %s to %s",
+            GetDisplayMinimum(),
+            GetDisplayMaximum());
+    }
+
+
+
+
+    private static int ParseValue (final String sValue)
+    {
+        if (sValue == null)
+        {
+            // Missing values default to 1.
+            return 1;
+        }
+        else
+            switch (sValue)
+            {
+                case "0" : return 0;
+                case "1" : return 1;
+                case "unbounded" : return unbounded;
+                default: return Integer.parseInt(sValue);
+            }
+    }
+
+
+
+    private final int mnMinimum;
+    private final int mnMaximum;
+}