1 files changed, 122 insertions, 0 deletions
diff --git a/velocity-engine-core/src/main/java/org/apache/velocity/runtime/parser/node/ASTIntegerLiteral.java b/velocity-engine-core/src/main/java/org/apache/velocity/runtime/parser/node/ASTIntegerLiteral.java
new file mode 100644
index 00000000..56e2c3ba
--- /dev/null
+++ b/velocity-engine-core/src/main/java/org/apache/velocity/runtime/parser/node/ASTIntegerLiteral.java
@@ -0,0 +1,122 @@
+package org.apache.velocity.runtime.parser.node;
+
+/*
+ * 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.
+ */
+
+import org.apache.velocity.context.InternalContextAdapter;
+import org.apache.velocity.exception.TemplateInitException;
+import org.apache.velocity.runtime.RuntimeConstants;
+import org.apache.velocity.runtime.parser.Parser;
+
+import java.math.BigInteger;
+
+/**
+ * Handles integer numbers.  The value will be either an Integer, a Long, or a BigInteger.
+ *
+ * @author <a href="mailto:wglass@forio.com">Will Glass-Husain</a>
+ * @since 1.5
+ */
+public class ASTIntegerLiteral extends SimpleNode
+{
+
+    // This may be of type Integer, Long or BigInteger
+    private Number value = null;
+
+    /**
+     * @param id
+     */
+    public ASTIntegerLiteral(int id)
+    {
+        super(id);
+    }
+
+    /**
+     * @param p
+     * @param id
+     */
+    public ASTIntegerLiteral(Parser p, int id)
+    {
+        super(p, id);
+    }
+
+    /**
+     * @see org.apache.velocity.runtime.parser.node.SimpleNode#jjtAccept(org.apache.velocity.runtime.parser.node.ParserVisitor, java.lang.Object)
+     */
+    @Override
+    public Object jjtAccept(ParserVisitor visitor, Object data)
+    {
+        return visitor.visit(this, data);
+    }
+
+    /**
+     * @see org.apache.velocity.runtime.parser.node.SimpleNode#init(org.apache.velocity.context.InternalContextAdapter, java.lang.Object)
+     */
+    @Override
+    public Object init(InternalContextAdapter context, Object data)
+        throws TemplateInitException
+    {
+        /*
+         *  init the tree correctly
+         */
+
+        super.init( context, data );
+
+        /*
+         * Determine the size of the item and make it an Integer, Long, or BigInteger as appropriate.
+         */
+         String str = getFirstToken().image;
+         try
+         {
+        	 value = Integer.valueOf( str );
+         }
+         catch ( NumberFormatException E1 )
+         {
+            try
+            {
+                value = Long.valueOf( str );
+            }
+            catch ( NumberFormatException E2 )
+            {
+                // if there's still an Exception it will propagate out
+                value = new BigInteger( str );
+            }
+        }
+        cleanupParserAndTokens();
+
+        return data;
+    }
+
+    /**
+     * @see org.apache.velocity.runtime.parser.node.SimpleNode#value(org.apache.velocity.context.InternalContextAdapter)
+     */
+    @Override
+    public Object value(InternalContextAdapter context)
+    {
+        return value;
+    }
+
+    /**
+     * @see org.apache.velocity.runtime.parser.node.SimpleNode#evaluate(org.apache.velocity.context.InternalContextAdapter)
+     */
+    @Override
+    public boolean evaluate(InternalContextAdapter context)
+    {
+        return !rsvc.getBoolean(RuntimeConstants.CHECK_EMPTY_OBJECTS, true) || !MathUtils.isZero(value);
+    }
+}