use of org.apache.tika.batch.fs.FSConsumersManager in project tika by apache.
the class BasicTikaFSConsumersBuilder method build.
@Override
public ConsumersManager build(Node node, Map<String, String> runtimeAttributes, ArrayBlockingQueue<FileResource> queue) {
//figure out if we're building a recursiveParserWrapper
boolean recursiveParserWrapper = false;
String recursiveParserWrapperString = runtimeAttributes.get("recursiveParserWrapper");
if (recursiveParserWrapperString != null) {
recursiveParserWrapper = PropsUtil.getBoolean(recursiveParserWrapperString, recursiveParserWrapper);
} else {
Node recursiveParserWrapperNode = node.getAttributes().getNamedItem("recursiveParserWrapper");
if (recursiveParserWrapperNode != null) {
recursiveParserWrapper = PropsUtil.getBoolean(recursiveParserWrapperNode.getNodeValue(), recursiveParserWrapper);
}
}
//how long to let the consumersManager run on init() and shutdown()
Long consumersManagerMaxMillis = null;
String consumersManagerMaxMillisString = runtimeAttributes.get("consumersManagerMaxMillis");
if (consumersManagerMaxMillisString != null) {
consumersManagerMaxMillis = PropsUtil.getLong(consumersManagerMaxMillisString, null);
} else {
Node consumersManagerMaxMillisNode = node.getAttributes().getNamedItem("consumersManagerMaxMillis");
if (consumersManagerMaxMillis == null && consumersManagerMaxMillisNode != null) {
consumersManagerMaxMillis = PropsUtil.getLong(consumersManagerMaxMillisNode.getNodeValue(), null);
}
}
TikaConfig config = null;
String tikaConfigPath = runtimeAttributes.get("c");
if (tikaConfigPath == null) {
Node tikaConfigNode = node.getAttributes().getNamedItem("tikaConfig");
if (tikaConfigNode != null) {
tikaConfigPath = PropsUtil.getString(tikaConfigNode.getNodeValue(), null);
}
}
if (tikaConfigPath != null) {
try (InputStream is = Files.newInputStream(Paths.get(tikaConfigPath))) {
config = new TikaConfig(is);
} catch (Exception e) {
throw new RuntimeException(e);
}
} else {
config = TikaConfig.getDefaultConfig();
}
List<FileResourceConsumer> consumers = new LinkedList<FileResourceConsumer>();
int numConsumers = BatchProcessBuilder.getNumConsumers(runtimeAttributes);
NodeList nodeList = node.getChildNodes();
Node contentHandlerFactoryNode = null;
Node parserFactoryNode = null;
Node outputStreamFactoryNode = null;
for (int i = 0; i < nodeList.getLength(); i++) {
Node child = nodeList.item(i);
String cn = child.getNodeName();
if (cn.equals("parser")) {
parserFactoryNode = child;
} else if (cn.equals("contenthandler")) {
contentHandlerFactoryNode = child;
} else if (cn.equals("outputstream")) {
outputStreamFactoryNode = child;
}
}
if (contentHandlerFactoryNode == null || parserFactoryNode == null || outputStreamFactoryNode == null) {
throw new RuntimeException("You must specify a ContentHandlerFactory, " + "a ParserFactory and an OutputStreamFactory");
}
ContentHandlerFactory contentHandlerFactory = getContentHandlerFactory(contentHandlerFactoryNode, runtimeAttributes);
ParserFactory parserFactory = getParserFactory(parserFactoryNode, runtimeAttributes);
OutputStreamFactory outputStreamFactory = getOutputStreamFactory(outputStreamFactoryNode, runtimeAttributes, contentHandlerFactory, recursiveParserWrapper);
if (recursiveParserWrapper) {
for (int i = 0; i < numConsumers; i++) {
FileResourceConsumer c = new RecursiveParserWrapperFSConsumer(queue, parserFactory, contentHandlerFactory, outputStreamFactory, config);
consumers.add(c);
}
} else {
for (int i = 0; i < numConsumers; i++) {
FileResourceConsumer c = new BasicTikaFSConsumer(queue, parserFactory, contentHandlerFactory, outputStreamFactory, config);
consumers.add(c);
}
}
ConsumersManager manager = new FSConsumersManager(consumers);
if (consumersManagerMaxMillis != null) {
manager.setConsumersManagerMaxMillis(consumersManagerMaxMillis);
}
return manager;
}
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