de.gematik.rbellogger.modifier.RbelUriWriter Maven / Gradle / Ivy

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/*
 * Copyright (c) 2022 gematik GmbH
 * 
 * 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 de.gematik.rbellogger.modifier;

import de.gematik.rbellogger.data.RbelElement;
import de.gematik.rbellogger.data.facet.RbelUriFacet;

import java.util.StringJoiner;

public class RbelUriWriter implements RbelElementWriter {

    @Override
    public boolean canWrite(RbelElement oldTargetElement) {
        return oldTargetElement.hasFacet(RbelUriFacet.class);
    }

    @Override
    public byte[] write(RbelElement oldTargetElement, RbelElement oldTargetModifiedChild, byte[] newContent) {
        final RbelUriFacet uriFacet = oldTargetElement.getFacetOrFail(RbelUriFacet.class);

        StringBuilder resultBuilder = new StringBuilder();
        if (uriFacet.getBasicPath() == oldTargetModifiedChild) {
            resultBuilder.append(newContent);
        } else {
            resultBuilder.append(uriFacet.getBasicPathString());
        }
        if (!uriFacet.getQueryParameters().isEmpty()) {
            StringJoiner joiner = new StringJoiner("&");
            for (RbelElement queryParameter : uriFacet.getQueryParameters()) {
                if (queryParameter == oldTargetModifiedChild) {
                    joiner.add(new String(newContent, oldTargetElement.getElementCharset()));
                } else {
                    joiner.add(queryParameter.getRawStringContent());
                }
            }
            resultBuilder.append("?");
            resultBuilder.append(joiner);
        }
        return resultBuilder.toString().getBytes(oldTargetElement.getElementCharset());
    }
}