Converter

Created

Thursday, July 24, 2025 at 8:12:43 AM

Description

Persist extension data

Author

Input:0

var interestingAttributes = List.of(
    AttributeType.STATUS_CODE,
    AttributeType.WORD_COUNT,
    AttributeType.LINE_COUNT,
    AttributeType.CONTENT_LENGTH,
    AttributeType.CONTENT_TYPE
);

var currentValues = new LinkedHashMap<String, String>();

for (AttributeType interesting : interestingAttributes) {
    String value = "";

if (interesting == AttributeType.CONTENT_TYPE) {
        value = requestResponse.response().headerValue("Content-Type");
    } else {
        var attributeValues = requestResponse.response().attributes(interesting);
        if (!attributeValues.isEmpty()) {
            value = String.valueOf(attributeValues.get(0).value());
        }
    }

currentValues.put(interesting.name(), value);
}

var jsonUtils = api.utilities().jsonUtils();
var key = "interesting-attributes";
var persisted = api.persistence().extensionData().getString(key);
var oldValues = new HashMap<String, String>();

if (persisted != null && jsonUtils.isValidJson(persisted)) {
    for (String attr : currentValues.keySet()) {
        String oldValue = jsonUtils.readString(persisted, attr);
        if (oldValue != null) {
            oldValues.put(attr, oldValue);
        }
    }
}

boolean hasChanges = false;
var changedOutput = new StringBuilder("-----\n");

for (var entry : currentValues.entrySet()) {
    String oldValue = oldValues.get(entry.getKey());
    String newValue = entry.getValue();

if (!newValue.equals(oldValue)) {
        hasChanges = true;
        changedOutput.append(entry.getKey()).append(": ").append(newValue).append("\n");
    }
}

if (hasChanges) {
    logging().logToOutput(changedOutput.append("-----").toString());

var jsonBuilder = new StringBuilder("{");
    for (var it = currentValues.entrySet().iterator(); it.hasNext(); ) {
        var entry = it.next();
        jsonBuilder.append("\"")
            .append(entry.getKey())
            .append("\":\"")
            .append(entry.getValue().replace("\"", "\\\""))
            .append("\"");
        if (it.hasNext()) jsonBuilder.append(",");
    }
    jsonBuilder.append("}");

api.persistence().extensionData().setString(key, jsonBuilder.toString());
}

Output:0

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