/**
* Configures the module.
*
* <p>Takes all elements nested in component declaration and stores them as key-value pairs in
* <code>settings</code>. Nested configuration option are not catered for. This way global
* configuration options can be used.
*
* <p>For nested configurations override this function.
*/
public void configure(Configuration conf) throws ConfigurationException {
Configuration[] parameters = conf.getChildren();
// Ideally here should be length * 1.333(3) but simple +1 will do for lengths up to 3
this.settings = new HashMap(parameters.length + 1);
for (int i = 0; i < parameters.length; i++) {
String key = parameters[i].getName();
String val = parameters[i].getValue("");
this.settings.put(key, val);
}
}
/**
* Register all extension packages listed in the configuration through <code>
* <package name="fully.qualified.package"
* prefix="prefix"/></code> in the given FunctionLibrary.
*
* @param conf a <code>Configuration</code> value
*/
private void getPackages(Configuration conf) {
Configuration[] children = conf.getChildren("package");
int i = children.length;
while (i-- > 0) {
String packageName = children[i].getAttribute("name", null);
String prefix = children[i].getAttribute("prefix", null);
if (packageName != null && prefix != null) {
this.library.addFunctions(new PackageFunctions(packageName, prefix));
}
}
}
/**
* Register all namespaces listed in the configuration through <code><namespace uri="uri:foo"
* prefix="bar"/></code> in the configuration.
*
* @param conf a <code>Configuration</code> value
*/
private void getNamespaces(Configuration conf) throws ConfigurationException {
Configuration[] children = conf.getChildren("namespace");
int i = children.length;
if (i > 0) {
this.namespaces = new HashMap(i + 2);
}
while (i-- > 0) {
String uri = children[i].getAttribute("uri");
String prefix = children[i].getAttribute("prefix");
if (uri != null && prefix != null) {
this.namespaces.put(prefix, uri);
}
}
}
public Mapping(Configuration config) throws ConfigurationException {
Configuration[] mappings = config.getChildren("mapping");
if (mappings != null) {
if (this.toMap == null) this.toMap = new HashMap();
if (this.fromMap == null) this.fromMap = new HashMap();
for (int i = 0; i < mappings.length; i++) {
String in = mappings[i].getAttribute("in", null);
String out = mappings[i].getAttribute("out", null);
if (in != null && out != null) {
this.toMap.put(in, out);
this.fromMap.put(out, in);
}
}
}
}
/** Creation of a input descriptor based on a supplied Configuration instance. */
public InputDescriptor(Configuration conf) {
if (conf == null) throw new RuntimeException("Null configuration.");
try {
tag = conf.getAttribute("tag", "");
required = conf.getAttributeAsBoolean("required", false);
implied = conf.getAttributeAsBoolean("implied", false);
type = ORB.init().create_interface_tc(conf.getAttribute("type", ""), "");
Configuration[] children = conf.getChildren();
if (children.length > 0) {
criteria = DPML.buildCriteriaElement(children[0]);
}
} catch (Exception e) {
throw new RuntimeException("Failed to configure a input usage decriptor.", e);
}
}
/** @see org.apache.avalon.framework.configuration.Configurable#configure(Configuration) */
public void configure(final Configuration configuration) throws ConfigurationException {
super.configure(configuration);
if (isEnabled()) {
Configuration handlerConfiguration = configuration.getChild("handler");
Configuration admin = handlerConfiguration.getChild("administrator_accounts");
Configuration[] accounts = admin.getChildren("account");
for (int i = 0; i < accounts.length; i++) {
adminAccounts.put(accounts[i].getAttribute("login"), accounts[i].getAttribute("password"));
}
Configuration promtConfiguration = handlerConfiguration.getChild("prompt", false);
if (promtConfiguration != null) prompt = promtConfiguration.getValue();
if (prompt == null) prompt = "";
else if (!prompt.equals("") && !prompt.endsWith(" ")) prompt += " ";
}
}
/**
* Register all extension functions listed in the configuration through <code>
* <function name="fully.qualified.Class"
* prefix="prefix"/></code> in the given FunctionLibrary.
*
* @param conf a <code>Configuration</code> value
*/
private void getFunctions(Configuration conf) {
Configuration[] children = conf.getChildren("function");
int i = children.length;
while (i-- > 0) {
String clazzName = children[i].getAttribute("name", null);
String prefix = children[i].getAttribute("prefix", null);
if (clazzName != null && prefix != null) {
try {
Class clazz = Class.forName(clazzName);
this.library.addFunctions(new ClassFunctions(clazz, prefix));
} catch (ClassNotFoundException cnf) {
// ignore
}
}
}
}
/**
* Create a new parameters object from the children of the configuration. If no children are
* available <code>null</code> is returned.
*/
public static SourceParameters createSourceParameters(Configuration conf) {
Configuration[] children = conf.getChildren();
if (children != null && children.length > 0) {
SourceParameters pars = new SourceParameters();
String name;
String value;
for (int i = 0; i < children.length; i++) {
name = children[i].getName();
try {
value = children[i].getValue();
} catch (ConfigurationException local) {
value = ""; // ignore exception
}
pars.setParameter(name, value);
}
return pars;
}
return null;
}
/**
* Perform configuration.
*
* @param configuration The configuration.
* @throws ConfigurationException If an error occurs while attempting to perform configuration.
*/
public void configure(Configuration configuration) throws ConfigurationException {
Configuration[] resourceConfigs = configuration.getChildren();
for (int i = 0; i < resourceConfigs.length; ++i) {
try {
if (resourceConfigs[i].getName().equals("directory")) {
addDirectoryResource(resourceConfigs[i].getValue());
} else if (resourceConfigs[i].getName().equals("jar")) {
addJarResource(resourceConfigs[i].getValue());
} else if (resourceConfigs[i].getName().equals("jar-repository")) {
addJarRepository(resourceConfigs[i].getValue());
} else if (resourceConfigs[i].getName().equals("url")) {
addUrlResource(resourceConfigs[i].getValue());
} else if (resourceConfigs[i].getName().equals("component")) {
addComponentResourceJar(resourceConfigs[i].getValue());
} else {
getLogger().warn("unknown resource type: " + resourceConfigs[i].getName());
}
} catch (Exception e) {
throw new ConfigurationException(
"error configuring resource: " + resourceConfigs[i].getValue(), e);
}
}
}
/** @see org.apache.avalon.framework.activity.Initializable#initialize() */
public void initialize() throws Exception {
getLogger().info("JamesSpoolManager init...");
spool = (SpoolRepository) compMgr.lookup(SpoolRepository.ROLE);
MailetLoader mailetLoader = (MailetLoader) compMgr.lookup(MailetLoader.ROLE);
MatcherLoader matchLoader = (MatcherLoader) compMgr.lookup(MatcherLoader.ROLE);
// A processor is a Collection of
processors = new HashMap();
final Configuration[] processorConfs = conf.getChildren("processor");
for (int i = 0; i < processorConfs.length; i++) {
Configuration processorConf = processorConfs[i];
String processorName = processorConf.getAttribute("name");
try {
LinearProcessor processor = new LinearProcessor();
setupLogger(processor, processorName);
processor.setSpool(spool);
processor.initialize();
processors.put(processorName, processor);
final Configuration[] mailetConfs = processorConf.getChildren("mailet");
// Loop through the mailet configuration, load
// all of the matcher and mailets, and add
// them to the processor.
for (int j = 0; j < mailetConfs.length; j++) {
Configuration c = mailetConfs[j];
String mailetClassName = c.getAttribute("class");
String matcherName = c.getAttribute("match");
Mailet mailet = null;
Matcher matcher = null;
try {
matcher = matchLoader.getMatcher(matcherName);
// The matcher itself should log that it's been inited.
if (getLogger().isInfoEnabled()) {
StringBuffer infoBuffer =
new StringBuffer(64)
.append("Matcher ")
.append(matcherName)
.append(" instantiated.");
getLogger().info(infoBuffer.toString());
}
} catch (MessagingException ex) {
// **** Do better job printing out exception
if (getLogger().isErrorEnabled()) {
StringBuffer errorBuffer =
new StringBuffer(256)
.append("Unable to init matcher ")
.append(matcherName)
.append(": ")
.append(ex.toString());
getLogger().error(errorBuffer.toString(), ex);
if (ex.getNextException() != null) {
getLogger().error("Caused by nested exception: ", ex.getNextException());
}
}
System.err.println("Unable to init matcher " + matcherName);
System.err.println("Check spool manager logs for more details.");
// System.exit(1);
throw ex;
}
try {
mailet = mailetLoader.getMailet(mailetClassName, c);
if (getLogger().isInfoEnabled()) {
StringBuffer infoBuffer =
new StringBuffer(64)
.append("Mailet ")
.append(mailetClassName)
.append(" instantiated.");
getLogger().info(infoBuffer.toString());
}
} catch (MessagingException ex) {
// **** Do better job printing out exception
if (getLogger().isErrorEnabled()) {
StringBuffer errorBuffer =
new StringBuffer(256)
.append("Unable to init mailet ")
.append(mailetClassName)
.append(": ")
.append(ex.toString());
getLogger().error(errorBuffer.toString(), ex);
if (ex.getNextException() != null) {
getLogger().error("Caused by nested exception: ", ex.getNextException());
}
}
System.err.println("Unable to init mailet " + mailetClassName);
System.err.println("Check spool manager logs for more details.");
// System.exit(1);
throw ex;
}
// Add this pair to the processor
processor.add(matcher, mailet);
}
// Close the processor matcher/mailet lists.
//
// Please note that this is critical to the proper operation
// of the LinearProcessor code. The processor will not be
// able to service mails until this call is made.
processor.closeProcessorLists();
if (getLogger().isInfoEnabled()) {
StringBuffer infoBuffer =
new StringBuffer(64)
.append("Processor ")
.append(processorName)
.append(" instantiated.");
getLogger().info(infoBuffer.toString());
}
} catch (Exception ex) {
if (getLogger().isErrorEnabled()) {
StringBuffer errorBuffer =
new StringBuffer(256)
.append("Unable to init processor ")
.append(processorName)
.append(": ")
.append(ex.toString());
getLogger().error(errorBuffer.toString(), ex);
}
throw ex;
}
}
if (getLogger().isInfoEnabled()) {
StringBuffer infoBuffer =
new StringBuffer(64)
.append("Spooler Manager uses ")
.append(numThreads)
.append(" Thread(s)");
getLogger().info(infoBuffer.toString());
}
active = true;
numActive = 0;
spoolThreads = new java.util.ArrayList(numThreads);
for (int i = 0; i < numThreads; i++) {
Thread reader = new Thread(this, "Spool Thread #" + i);
spoolThreads.add(reader);
reader.start();
}
}
public Iterator getAttributeNames(Configuration modeConf, Map objectModel)
throws ConfigurationException {
if (!this.initialized) {
this.lazy_initialize();
}
if (this.defaultInput == null) {
if (getLogger().isWarnEnabled()) getLogger().warn("No input module given. FAILING");
return null;
}
Configuration inputConfig = null;
String inputName = null;
Mapping mapping = this.mapping;
String prefix = this.prefix;
String suffix = this.suffix;
String rmPrefix = this.rmPrefix;
String rmSuffix = this.rmSuffix;
if (modeConf != null && modeConf.getChildren().length > 0) {
inputName = modeConf.getChild("input-module").getAttribute("name", null);
if (inputName != null) {
inputConfig = modeConf.getChild("input-module");
}
mapping = new Mapping(modeConf);
prefix = modeConf.getChild("prefix").getValue(null);
suffix = modeConf.getChild("suffix").getValue(null);
rmPrefix = modeConf.getChild("rm-prefix").getValue(null);
rmSuffix = modeConf.getChild("rm-suffix").getValue(null);
}
Iterator names =
getNames(
objectModel,
this.input,
this.defaultInput,
this.inputConf,
null,
inputName,
inputConfig);
Set set = new HashSet();
while (names.hasNext()) {
String param = (String) names.next();
if (getLogger().isDebugEnabled())
getLogger().debug("reverse mapping starts with ['" + param + "']");
if (prefix != null)
if (param.startsWith(prefix)) param = param.substring(prefix.length());
else continue; // prefix is set but parameter does not start with it.
// if (getLogger().isDebugEnabled())
// getLogger().debug("reverse mapping after remove prefix ['"+param+"']");
if (suffix != null)
if (param.endsWith(suffix)) param = param.substring(0, param.length() - suffix.length());
else continue; // suffix is set but parameter does not end with it.
// if (getLogger().isDebugEnabled())
// getLogger().debug("reverse mapping after remove suffix ['"+param+"']");
if (param.length() < 1) continue; // nothing left
String newName = mapping.mapFrom(param);
if (rmPrefix != null) newName = rmPrefix + newName;
if (rmSuffix != null) newName = newName + rmSuffix;
if (getLogger().isDebugEnabled())
getLogger().debug("reverse mapping results in ['" + newName + "']");
set.add(newName);
}
return set.iterator();
}
public Object[] getAttributeValues(String name, Configuration modeConf, Map objectModel)
throws ConfigurationException {
if (!this.initialized) {
this.lazy_initialize();
}
if (this.defaultInput == null) {
if (getLogger().isWarnEnabled()) getLogger().warn("No input module given. FAILING");
return null;
}
Configuration inputConfig = null;
String inputName = null;
Mapping mapping = this.mapping;
String prefix = this.prefix;
String suffix = this.suffix;
String rmPrefix = this.rmPrefix;
String rmSuffix = this.rmSuffix;
if (modeConf != null && modeConf.getChildren().length > 0) {
inputName = modeConf.getChild("input-module").getAttribute("name", null);
if (inputName != null) {
inputConfig = modeConf.getChild("input-module");
}
mapping = new Mapping(modeConf);
prefix = modeConf.getChild("prefix").getValue(null);
suffix = modeConf.getChild("suffix").getValue(null);
rmPrefix = modeConf.getChild("rm-prefix").getValue(null);
rmSuffix = modeConf.getChild("rm-suffix").getValue(null);
}
// remove rm-prefix and rm-suffix
if (rmPrefix != null && name.startsWith(rmPrefix)) {
name = name.substring(rmPrefix.length());
}
if (rmSuffix != null && name.endsWith(rmSuffix)) {
name = name.substring(0, name.length() - rmSuffix.length());
}
// map
String param = mapping.mapTo(name);
// add prefix and suffix
if (prefix != null) param = prefix + param;
if (suffix != null) param = param + suffix;
if (getLogger().isDebugEnabled())
getLogger().debug("mapping ['" + name + "'] to ['" + param + "']");
Object[] res =
getValues(
param,
objectModel,
this.input,
this.defaultInput,
this.inputConf,
null,
inputName,
inputConfig);
if (getLogger().isDebugEnabled())
getLogger().debug("getting for real attribute ['" + param + "'] value: " + res);
return res;
}
