com.predic8.membrane.core.lang.ScriptingUtils Maven / Gradle / Ivy
/*
* Copyright 2022 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;
import com.fasterxml.jackson.databind.*;
import com.predic8.membrane.core.exchange.*;
import com.predic8.membrane.core.http.*;
import com.predic8.membrane.core.interceptor.*;
import com.predic8.membrane.core.util.*;
import org.slf4j.*;
import java.util.*;
import static com.predic8.membrane.core.interceptor.Interceptor.Flow.REQUEST;
import static com.predic8.membrane.core.util.FileUtil.readInputStream;
import static com.predic8.membrane.core.util.URLParamUtil.DuplicateKeyOrInvalidFormStrategy.MERGE_USING_COMMA;
import static com.predic8.membrane.core.util.URLParamUtil.getParams;
public class ScriptingUtils {
private static final Logger log = LoggerFactory.getLogger(ScriptingUtils.class.getName());
private static final ObjectMapper om = new ObjectMapper();
public static HashMap createParameterBindings(URIFactory uriFactory, Exchange exc, Message msg, Interceptor.Flow flow, boolean includeJsonObject) {
HashMap parameters = new HashMap<>();
parameters.put("exc", exc);
parameters.put("flow", flow);
if (flow == REQUEST) {
try {
parameters.put("params", getParams(uriFactory, exc, MERGE_USING_COMMA));
} catch (Exception e) {
log.info("Cannot parse query parameter from " + exc.getRequest().getUri());
}
}
if (msg != null) {
parameters.put("message", msg);
parameters.put("header", msg.getHeader());
if (includeJsonObject) {
try {
log.info("Parsing body as JSON for scripting plugins");
parameters.put("json",om.readValue(readInputStream(msg.getBodyAsStream()),Map.class)); // @Todo not with Javascript
} catch (Exception e) {
log.warn("Can't parse body as JSON: " + e);
}
}
}
parameters.put("properties", exc.getProperties());
return parameters;
}
}