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CORDA-736 Add some new features to corda.jar via node.conf for testing (#1926)

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This commit is contained in:
Rick Parker
2017-10-24 16:49:47 +01:00
committed by GitHub
parent 927924498b
commit 4b8590ef41
4 changed files with 122 additions and 14 deletions
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116
node/src/main/java/CordaCaplet.java
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@ -2,18 +2,73 @@
// must also be in the default package. When using Kotlin there are a whole host of exceptions
// trying to construct this from Capsule, so it is written in Java.
import sun.misc.*;
import com.typesafe.config.*;
import sun.misc.Signal;
import sun.misc.SignalHandler;
import java.io.*;
import java.nio.file.*;
import java.io.File;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.*;
public class CordaCaplet extends Capsule {
private Config nodeConfig = null;
private String baseDir = null;
protected CordaCaplet(Capsule pred) {
super(pred);
}
private Config parseConfigFile(List<String> args) {
String baseDirOption = getOption(args, "--base-directory");
this.baseDir = Paths.get((baseDirOption == null) ? "." : baseDirOption).toAbsolutePath().normalize().toString();
String config = getOption(args, "--config-file");
File configFile = (config == null) ? new File(baseDir, "node.conf") : new File(config);
try {
ConfigParseOptions parseOptions = ConfigParseOptions.defaults().setAllowMissing(false);
Config defaultConfig = ConfigFactory.parseResources("reference.conf", parseOptions);
Config baseDirectoryConfig = ConfigFactory.parseMap(Collections.singletonMap("baseDirectory", baseDir));
Config nodeConfig = ConfigFactory.parseFile(configFile, parseOptions);
return baseDirectoryConfig.withFallback(nodeConfig).withFallback(defaultConfig).resolve();
} catch (ConfigException e) {
log(LOG_QUIET, e);
return ConfigFactory.empty();
}
}
private String getOption(List<String> args, String option) {
final String lowerCaseOption = option.toLowerCase();
int index = 0;
for (String arg : args) {
if (arg.toLowerCase().equals(lowerCaseOption)) {
if (index < args.size() - 1) {
return args.get(index + 1);
} else {
return null;
}
}
index++;
}
return null;
}
@Override
protected ProcessBuilder prelaunch(List<String> jvmArgs, List<String> args) {
nodeConfig = parseConfigFile(args);
return super.prelaunch(jvmArgs, args);
}
// Add working directory variable to capsules string replacement variables.
@Override
protected String getVarValue(String var) {
if (var.equals("baseDirectory")) {
return baseDir;
} else {
return super.getVarValue(var);
}
}
/**
* Overriding the Caplet classpath generation via the intended interface in Capsule.
*/
@ -25,18 +80,55 @@ public class CordaCaplet extends Capsule {
if (ATTR_APP_CLASS_PATH == attr) {
T cp = super.attribute(attr);
(new File("cordapps")).mkdir();
augmentClasspath((List<Path>) cp, "cordapps");
augmentClasspath((List<Path>) cp, "plugins");
(new File(baseDir, "cordapps")).mkdir();
augmentClasspath((List<Path>) cp, new File(baseDir, "cordapps"));
augmentClasspath((List<Path>) cp, new File(baseDir, "plugins"));
// Add additional directories of JARs to the classpath (at the end). e.g. for JDBC drivers
try {
List<String> jarDirs = nodeConfig.getStringList("jarDirs");
log(LOG_VERBOSE, "Configured JAR directories = " + jarDirs);
for (String jarDir : jarDirs) {
augmentClasspath((List<Path>) cp, new File(jarDir));
}
} catch (ConfigException.Missing e) {
// Ignore since it's ok to be Missing. Other errors would be unexpected.
} catch (ConfigException e) {
log(LOG_QUIET, e);
}
return cp;
}
return super.attribute(attr);
} else if (ATTR_JVM_ARGS == attr) {
// Read JVM args from the config if specified, else leave alone.
List<String> jvmArgs = new ArrayList<>((List<String>) super.attribute(attr));
try {
List<String> configJvmArgs = nodeConfig.getStringList("jvmArgs");
jvmArgs.clear();
jvmArgs.addAll(configJvmArgs);
log(LOG_VERBOSE, "Configured JVM args = " + jvmArgs);
} catch (ConfigException.Missing e) {
// Ignore since it's ok to be Missing. Other errors would be unexpected.
} catch (ConfigException e) {
log(LOG_QUIET, e);
}
return (T) jvmArgs;
} else if (ATTR_SYSTEM_PROPERTIES == attr) {
// Add system properties, if specified, from the config.
Map<String, String> systemProps = new LinkedHashMap<>((Map<String, String>) super.attribute(attr));
try {
Config overrideSystemProps = nodeConfig.getConfig("systemProperties");
log(LOG_VERBOSE, "Configured system properties = " + overrideSystemProps);
for (Map.Entry<String, ConfigValue> entry : overrideSystemProps.entrySet()) {
systemProps.put(entry.getKey(), entry.getValue().unwrapped().toString());
}
} catch (ConfigException.Missing e) {
// Ignore since it's ok to be Missing. Other errors would be unexpected.
} catch (ConfigException e) {
log(LOG_QUIET, e);
}
return (T) systemProps;
} else return super.attribute(attr);
}
// TODO: Make directory configurable via the capsule manifest.
// TODO: Add working directory variable to capsules string replacement variables.
private void augmentClasspath(List<Path> classpath, String dirName) {
File dir = new File(dirName);
private void augmentClasspath(List<Path> classpath, File dir) {
if (dir.exists()) {
File[] files = dir.listFiles();
for (File file : files) {