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java/org/apache/el/parser/AstInteger.java

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+/*
+ * 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.
+ */
+/* Generated By:JJTree: Do not edit this line. AstInteger.java */
+
+package org.apache.el.parser;
+
+import java.math.BigInteger;
+
+import javax.el.ELException;
+
+import org.apache.el.lang.EvaluationContext;
+
+
+/**
+ * @author Jacob Hookom [jacob@hookom.net]
+ */
+public final class AstInteger extends SimpleNode {
+    public AstInteger(int id) {
+        super(id);
+    }
+
+    private volatile Number number;
+
+    protected Number getInteger() {
+        if (this.number == null) {
+            try {
+                this.number = Long.valueOf(this.image);
+            } catch (ArithmeticException e1) {
+                this.number = new BigInteger(this.image);
+            }
+        }
+        return number;
+    }
+
+    @Override
+    public Class<?> getType(EvaluationContext ctx)
+            throws ELException {
+        return this.getInteger().getClass();
+    }
+
+    @Override
+    public Object getValue(EvaluationContext ctx)
+            throws ELException {
+        return this.getInteger();
+    }
+}