org.apache.camel.language.simple.ast.DoubleQuoteStart Maven / Gradle / Ivy
/**
* 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.language.simple.ast;
import org.apache.camel.Expression;
import org.apache.camel.builder.ExpressionBuilder;
import org.apache.camel.language.simple.types.SimpleToken;
/**
* Starts a block enclosed by double quotes
*/
public class DoubleQuoteStart extends BaseSimpleNode implements BlockStart {
private final CompositeNodes block;
public DoubleQuoteStart(SimpleToken token) {
super(token);
this.block = new CompositeNodes(token);
}
@Override
public String toString() {
// output a nice toString so it makes debugging easier as we can see the entire block
return "\"" + block + "\"";
}
@Override
public Expression createExpression(String expression) {
Expression answer = null;
if (block != null) {
answer = block.createExpression(expression);
}
if (answer == null) {
// there quoted literal is empty
answer = ExpressionBuilder.constantExpression("");
}
return answer;
}
@Override
public boolean acceptAndAddNode(SimpleNode node) {
block.addChild(node);
return true;
}
}