com.predic8.membrane.core.lang.spel.spelable.SpeLHeader Maven / Gradle / Ivy
/* Copyright 2023 predic8 GmbH, www.predic8.com
Licensed 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 com.predic8.membrane.core.lang.spel.spelable;
import com.predic8.membrane.core.http.Header;
import org.springframework.expression.EvaluationContext;
import org.springframework.expression.TypedValue;
public class SpeLHeader implements SPeLablePropertyAware {
private final Header header;
public SpeLHeader(Header header) {
this.header = header;
}
@Override
public boolean canRead(EvaluationContext context, Object target, String name) {
return header.contains(name) || header.contains(camelToKebab(name));
}
@Override
public TypedValue read(EvaluationContext context, Object target, String name) {
var value = header.getFirstValue(name);
if (value == null) {
value = header.getFirstValue(camelToKebab(name));
}
return new TypedValue(value);
}
}