91 lines
2.9 KiB
Java
91 lines
2.9 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.el.parser;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.Map;
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import javax.el.ELContext;
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import javax.el.ELManager;
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import javax.el.ELProcessor;
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import javax.el.ExpressionFactory;
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import javax.el.ValueExpression;
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import org.junit.Assert;
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import org.junit.Test;
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public class TestAstMapData {
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private static final Map<String,String> simpleMap = new HashMap<>();
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private static final Map<Object,Object> nestedMap = new HashMap<>();
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static {
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simpleMap.put("a", "1");
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simpleMap.put("b", "2");
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simpleMap.put("c", "3");
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nestedMap.put("simple", simpleMap);
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// {} will get parsed as an empty Set as there is nothing to hint to the
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// parser that Map is expected here.
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nestedMap.put("empty", Collections.EMPTY_SET);
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nestedMap.put("d", "4");
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}
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@Test
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public void testSimple01() {
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ELProcessor processor = new ELProcessor();
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Object result = processor.getValue(
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"{'a':'1','b':'2','c':'3'}", Map.class);
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Assert.assertEquals(simpleMap, result);
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}
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@Test
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public void testSimple02() {
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ELProcessor processor = new ELProcessor();
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Object result = processor.getValue("{}", Map.class);
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Assert.assertEquals(Collections.EMPTY_MAP, result);
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}
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@Test
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public void testNested01() {
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ELProcessor processor = new ELProcessor();
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Object result = processor.getValue(
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"{'simple':{'a':'1','b':'2','c':'3'}," +
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"'empty':{}," +
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"'d':'4'}", Map.class);
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Assert.assertEquals(nestedMap, result);
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}
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@Test
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public void testGetType() {
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ELProcessor processor = new ELProcessor();
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ELContext context = processor.getELManager().getELContext();
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ExpressionFactory factory = ELManager.getExpressionFactory();
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ValueExpression ve = factory.createValueExpression(
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context, "${{'a':'1','b':'2','c':'3'}}", Map.class);
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Assert.assertEquals(Map.class, ve.getType(context));
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Assert.assertEquals(simpleMap, ve.getValue(context));
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}
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}
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