Github user FSchumacher commented on a diff in the pull request:
https://github.com/apache/jmeter/pull/28#discussion_r42308220
--- Diff:
src/components/org/apache/jmeter/extractor/json/jsonpath/JSONPostProcessor.java
---
@@ -0,0 +1,236 @@
+/*
+ * 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.jmeter.extractor.json.jsonpath;
+
+import java.io.Serializable;
+import java.util.Arrays;
+import java.util.List;
+
+import org.apache.jmeter.processor.PostProcessor;
+import org.apache.jmeter.samplers.SampleResult;
+import org.apache.jmeter.testelement.AbstractScopedTestElement;
+import org.apache.jmeter.testelement.ThreadListener;
+import org.apache.jmeter.threads.JMeterContext;
+import org.apache.jmeter.threads.JMeterVariables;
+import org.apache.jmeter.util.JMeterUtils;
+import org.apache.jorphan.logging.LoggingManager;
+import org.apache.jorphan.util.JOrphanUtils;
+import org.apache.log.Logger;
+
+/**
+ * JSON-PATH based extractor
+ * @since 2.14
+ */
+public class JSONPostProcessor extends AbstractScopedTestElement
implements Serializable, PostProcessor, ThreadListener{
+
+ private static final long serialVersionUID = 1320798545214331506L;
+ private static final Logger log = LoggingManager.getLoggerForClass();
+ private static final String JSON_PATH_EXPRESSIONS =
"ULP.json.jsonPathExprs"; // $NON-NLS-1$
+ private static final String REFERENCE_NAMES =
"ULP.json.referenceNames"; // $NON-NLS-1$
+ private static final String DEFAULT_VALUES = "ULP.json.defaultValues";
// $NON-NLS-1$
+ private static final String MATCH_NUMBERS = "ULP.json.match_numbers";
// $NON-NLS-1$
+ private static final String COMPUTE_CONCATENATION =
"ULP.json.compute_concat"; // $NON-NLS-1$
+ private static final String REF_MATCH_NR = "_matchNr"; // $NON-NLS-1$
+ private static final String ALL_SUFFIX = "_ALL"; // $NON-NLS-1$
+ private static final String SEPARATOR = ";"; // $NON-NLS-1$
+ public static final boolean COMPUTE_CONCATENATION_DEFAULT_VALUE =
false;
+
+ private static final ThreadLocal<JSONManager> localMatcher = new
ThreadLocal<JSONManager>() {
+ @Override
+ protected JSONManager initialValue() {
+ return new JSONManager();
+ }
+ };
+ public void process() {
+ JMeterContext context = getThreadContext();
+ JMeterVariables vars = context.getVariables();
+ String jsonResponse = "";
+ if (isScopeVariable()){
+ jsonResponse = vars.get(getVariableName());
+ if(log.isDebugEnabled()) {
+ log.debug("JSON Extractor is using
variable:"+getVariableName()+" which content is:"+jsonResponse);
+ }
+ } else {
+ SampleResult previousResult = context.getPreviousResult();
+ if (previousResult == null) {
+ return;
+ }
+ jsonResponse = previousResult.getResponseDataAsString();
+ if(log.isDebugEnabled()) {
+ log.debug("JSON Extractor processing
result:"+jsonResponse);
+ }
+ }
+ String[] refNames = getRefNames().split(SEPARATOR);
+ String[] jsonPathExpressions =
getJsonPathExpressions().split(SEPARATOR);
+ String[] defaultValues = getDefaultValues().split(SEPARATOR);
+ int[] matchNumbers = getMatchNumbersAsInt(defaultValues.length);
+
+ //jsonResponse = jsonResponse.replaceAll("'", "\""); //
$NON-NLS-1$ $NON-NLS-2$
+
+ if (refNames.length != jsonPathExpressions.length ||
+ refNames.length != defaultValues.length) {
+ log.error("Number of JSON Path variables must match number of
default values and json-path expressions, check you use separator ';' if you
have many values"); // $NON-NLS-1$
+ throw new
IllegalArgumentException(JMeterUtils.getResString("jsonpp_error_number_arguments_mismatch_error"));
// $NON-NLS-1$
+ } else {
+ for (int i = 0; i < jsonPathExpressions.length; i++) {
+ int matchNumber = matchNumbers[i];
+ String refNameFromRefNames = refNames[i].trim();
+ String jsonPathFromPathes = jsonPathExpressions[i].trim();
+ try {
+ if(jsonResponse.isEmpty()) {
+ vars.put(refNameFromRefNames, defaultValues[i]);
+ } else {
+
+ List<String> valuesExtracted =
localMatcher.get().extractWithJsonPath(jsonResponse, jsonPathFromPathes);
+ // if no values extracted, default value added
+ if (valuesExtracted.isEmpty()) {
+ vars.put(refNameFromRefNames,
defaultValues[i]);
+ vars.put(refNameFromRefNames+REF_MATCH_NR,
"0");
+ if(matchNumber<0 && getComputeConcatenation())
{
+ log.debug("No value extracted, storing
empty in :"+refNameFromRefNames + ALL_SUFFIX);
+ vars.put(refNameFromRefNames + ALL_SUFFIX,
"");
+ }
+ } else {
+ // if more than one value extracted, suffix
with
+ // "_index"
+ if (valuesExtracted.size() > 1) {
+ if(matchNumber<0) {
+ int index = 0;
--- End diff --
We could start with `index = 1`, since we use it incremented only later
(`index+1`)
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
