org.apache.camel.component.servlet.ServletRestHttpBinding Maven / Gradle / Ivy

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/*
 * 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.component.servlet;

import jakarta.servlet.http.HttpServletRequest;

import org.apache.camel.Message;
import org.apache.camel.http.common.DefaultHttpBinding;

import static org.apache.camel.http.base.HttpHelper.evalPlaceholders;

public class ServletRestHttpBinding extends DefaultHttpBinding {

    public ServletRestHttpBinding() {
    }

    @Override
    protected void populateRequestParameters(HttpServletRequest request, Message message) {
        super.populateRequestParameters(request, message);

        String path = request.getPathInfo();
        if (path == null) {
            return;
        }

        // in the endpoint the user may have defined rest {} placeholders
        // so we need to map those placeholders with data from the incoming request context path

        ServletEndpoint endpoint = (ServletEndpoint) message.getExchange().getFromEndpoint();
        String consumerPath = endpoint.getPath();

        if (useRestMatching(consumerPath)) {

            evalPlaceholders(message.getHeaders(), path, consumerPath);
        }
    }

    private boolean useRestMatching(String path) {
        // only need to do rest matching if using { } placeholders
        return path.indexOf('{') > -1;
    }
}