public StreamSink createStreamSink(ServiceContext context, Flow flow) {
List<String> commandList = new ArrayList<String>();
String cmd = command.evaluateString(context, flow);
commandList.add(cmd);
for (int i = 0; i < commandArgs.length; ++i) {
String arg = commandArgs[i].evaluateString(context, flow);
commandList.add(arg);
}
ProcessBuilder processBuilder = new ProcessBuilder(commandList);
Map<String, String> environment = processBuilder.environment();
for (int i = 0; i < envVariableFactories.length; ++i) {
EnvVariable envVariable = envVariableFactories[i].createEnvVariable(context, flow);
environment.put(envVariable.getName(), envVariable.getValue());
}
String directory = dirResolver.evaluateAsString(flow.getParameters(), flow.getRecord());
if (directory.length() > 0) {
File file = new File(directory);
processBuilder.directory(file);
}
StreamSink streamSink = new CommandSink(processBuilder, charset);
return streamSink;
}
public void setContentHandler(ContentHandler handler) {
// System.out.println(getClass().getName()+".setContentHandler " +
// handler.getClass().getName());
SaxSink saxSink = new SimpleSaxSink(handler);
flow = flow.replaceDefaultSaxSink(context, saxSink);
super.setContentHandler(handler);
}
public void execute(ServiceContext context, Flow flow) {
try {
task.execute(context, flow);
} catch (ServingXmlException e) {
StreamSink errOutput = flow.getDefaultStreamSink();
catchError.catchError(context, flow, e, errOutput);
}
}
public void addToAttributes(ServiceContext context, Flow flow, AttributesImpl attributes) {
Name name = createName(flow.getRecord());
String qname = name.toQname(nameContext);
// System.out.println(getClass().getName()+".addToAttributes");
try {
String value = getValue(context, flow);
attributes.addAttribute(name.getNamespaceUri(), name.getLocalName(), qname, "CDATA", value);
} catch (ServingXmlException e) {
if (qname != null) {
e = e.contextualizeMessage("@" + qname);
}
throw e;
}
}