private ObjectNode getPolicyConfig() throws Exception {
ObjectMapper om = ObjectMapperFactory.create();
ObjectNode objectNode =
om.readValue(
getClass().getClassLoader().getResourceAsStream("policy-config/uri-policy-config.json"),
ObjectNode.class);
return objectNode;
}
public void writeMetadataFile(String id, ObjectNode objectNode) throws Exception {
File scriptDirectory = new File(resourceDirectory.getPath() + File.separator + id);
if (!scriptDirectory.exists()) {
scriptDirectory.mkdir();
}
File metadataFile = new File(scriptDirectory.getPath() + File.separator + METADATA_FILENAME);
ObjectMapperFactory.createWriter().writeValue(metadataFile, objectNode);
}
// Read the configuration files from the filesystem [if any] and configure the resource based on
// them
public void start() throws IOException {
// get a reference to where the resource triggred scripts should be held
String resourceBasedDir = parent.getScriptDirectory() + File.separator + "/" + RESOURCE_DIRNAME;
resourceDirectory = new File(resourceBasedDir);
// create the directory if it doesn't already exist
if (!resourceDirectory.exists()) {
resourceDirectory.mkdirs();
}
vertx
.fileSystem()
.readDir(
resourceDirectory.getPath(),
(result) -> {
if (!result.failed()) {
for (String fileName : result.result()) {
File scriptDirectory = new File(fileName);
String resourceID = scriptDirectory.getName();
try {
// read the file containing the metadata for this script
File metadataFile =
new File(
scriptDirectory.getPath() + File.separator + "/" + METADATA_FILENAME);
if (metadataFile.exists()) {
ObjectNode objectNode =
(ObjectNode) ObjectMapperFactory.create().readTree(metadataFile);
ResourceState state = ConversionUtils.convert(objectNode);
state.id(resourceID);
ResourceScript resourceScript = new ResourceScript(this, state);
// add this resource to the list of scripts available.
this.scripts.add(resourceScript.getScript());
// read the file containing the source for this script [if any]
File sourceFile =
new File(
scriptDirectory.getPath() + File.separator + "/" + SOURCE_FILENAME);
if (sourceFile.exists()) {
vertx
.fileSystem()
.readFile(
sourceFile.getPath(),
(buffer) -> {
resourceScript
.getScript()
.setScriptBuffer(buffer.result().getByteBuf());
});
}
}
} catch (Exception e) {
logger().error("Error reading resource script files.", e);
}
}
} else {
logger().error("Error reading resource script files.", result.cause());
}
});
}