/**
* 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.camel.builder;
import java.util.ArrayList;
import java.util.Arrays;
import org.apache.camel.Exchange;
import org.apache.camel.Expression;
import org.apache.camel.Message;
import org.apache.camel.Predicate;
import org.apache.camel.TestSupport;
import org.apache.camel.impl.DefaultCamelContext;
import org.apache.camel.impl.DefaultExchange;
import static org.apache.camel.builder.ExpressionBuilder.bodyExpression;
import static org.apache.camel.builder.ExpressionBuilder.constantExpression;
import static org.apache.camel.builder.ExpressionBuilder.headerExpression;
import static org.apache.camel.builder.ExpressionBuilder.regexReplaceAll;
import static org.apache.camel.builder.ExpressionBuilder.regexTokenize;
import static org.apache.camel.builder.ExpressionBuilder.tokenizeExpression;
import static org.apache.camel.builder.PredicateBuilder.contains;
/**
* @version $Revision: 692006 $
*/
public class ExpressionBuilderTest extends TestSupport {
protected Exchange exchange = new DefaultExchange(new DefaultCamelContext());
public void testRegexTokenize() throws Exception {
Expression<Exchange> expression = regexTokenize(headerExpression("location"), ",");
ArrayList expected = new ArrayList(Arrays.asList(new String[] {"Islington", "London", "UK"}));
assertExpression(expression, exchange, expected);
Predicate<Exchange> predicate = contains(regexTokenize(headerExpression("location"), ","),
constantExpression("London"));
assertPredicate(predicate, exchange, true);
predicate = contains(regexTokenize(headerExpression("location"), ","),
constantExpression("Manchester"));
assertPredicate(predicate, exchange, false);
}
public void testRegexReplaceAll() throws Exception {
Expression<Exchange> expression = regexReplaceAll(headerExpression("location"), "London",
"Westminster");
assertExpression(expression, exchange, "Islington,Westminster,UK");
expression = regexReplaceAll(headerExpression("location"), "London", headerExpression("name"));
assertExpression(expression, exchange, "Islington,James,UK");
}
public void testTokenize() throws Exception {
Expression <Exchange> expression = tokenizeExpression(headerExpression("location"), ",");
ArrayList expected = new ArrayList(Arrays.asList(new String[] {"Islington", "London", "UK"}));
assertExpression(expression, exchange, expected);
Predicate<Exchange> predicate = contains(tokenizeExpression(headerExpression("location"), ","),
constantExpression("London"));
assertPredicate(predicate, exchange, true);
predicate = contains(tokenizeExpression(headerExpression("location"), ","),
constantExpression("Manchester"));
assertPredicate(predicate, exchange, false);
}
public void testTokenizeLines() throws Exception {
Expression expression = regexTokenize(bodyExpression(), "[\r|\n]");
exchange.getIn().setBody("Hello World\nBye World\rSee you again");
ArrayList expected = new ArrayList(Arrays.asList(new String[] {"Hello World", "Bye World", "See you again"}));
assertExpression(expression, exchange, expected);
}
@Override
protected void setUp() throws Exception {
super.setUp();
Message in = exchange.getIn();
in.setBody("Hello there!");
in.setHeader("name", "James");
in.setHeader("location", "Islington,London,UK");
}
}