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Liferay Portal Template FreeMarker
/*
* 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 freemarker.core;
import freemarker.template.TemplateException;
import freemarker.template.TemplateModel;
final class ParentheticalExpression extends Expression {
private final Expression nested;
ParentheticalExpression(Expression nested) {
this.nested = nested;
}
@Override
boolean evalToBoolean(Environment env) throws TemplateException {
return nested.evalToBoolean(env);
}
@Override
public String getCanonicalForm() {
return "(" + nested.getCanonicalForm() + ")";
}
@Override
String getNodeTypeSymbol() {
return "(...)";
}
@Override
TemplateModel _eval(Environment env) throws TemplateException {
return nested.eval(env);
}
@Override
public boolean isLiteral() {
return nested.isLiteral();
}
Expression getNestedExpression() {
return nested;
}
@Override
void enableLazilyGeneratedResult() {
nested.enableLazilyGeneratedResult();
}
@Override
protected Expression deepCloneWithIdentifierReplaced_inner(
String replacedIdentifier, Expression replacement, ReplacemenetState replacementState) {
return new ParentheticalExpression(
nested.deepCloneWithIdentifierReplaced(replacedIdentifier, replacement, replacementState));
}
@Override
int getParameterCount() {
return 1;
}
@Override
Object getParameterValue(int idx) {
if (idx != 0) throw new IndexOutOfBoundsException();
return nested;
}
@Override
ParameterRole getParameterRole(int idx) {
if (idx != 0) throw new IndexOutOfBoundsException();
return ParameterRole.ENCLOSED_OPERAND;
}
}
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