/*
- * Sone - WebOfTrustUpdater.java - Copyright © 2012 David Roden
+ * Sone - WebOfTrustUpdater.java - Copyright © 2013 David Roden
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
package net.pterodactylus.sone.core;
+import static com.google.common.base.Preconditions.checkNotNull;
+
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.logging.Level;
import net.pterodactylus.sone.freenet.wot.WebOfTrustException;
import net.pterodactylus.util.logging.Logging;
import net.pterodactylus.util.service.AbstractService;
-import net.pterodactylus.util.validation.Validation;
+
+import com.google.inject.Inject;
/**
* Updates WebOfTrust identity data in a background thread because communicating
* @param webOfTrustConnector
* The web of trust connector
*/
+ @Inject
public WebOfTrustUpdater(WebOfTrustConnector webOfTrustConnector) {
super("Trust Updater");
this.webOfTrustConnector = webOfTrustConnector;
//
/**
- * Retrieves the trust relation between the truster and the trustee. This
- * method will return immediately and perform a trust update in the
- * background.
- *
- * @param truster
- * The identity giving the trust
- * @param trustee
- * The identity receiving the trust
- */
- public void getTrust(OwnIdentity truster, Identity trustee) {
- GetTrustJob getTrustJob = new GetTrustJob(truster, trustee);
- if (!updateJobs.contains(getTrustJob)) {
- logger.log(Level.FINER, "Adding Trust Update Job: " + getTrustJob);
- try {
- updateJobs.put(getTrustJob);
- } catch (InterruptedException ie1) {
- /* the queue is unbounded so it should never block. */
- }
- }
- }
-
- /**
* Updates the trust relation between the truster and the trustee. This
* method will return immediately and perform a trust update in the
* background.
return false;
}
+ /**
+ * Removes the given context from the given own identity.
+ *
+ * @param ownIdentity
+ * The own identity to remove the context from
+ * @param context
+ * The context to remove
+ */
+ public void removeContext(OwnIdentity ownIdentity, String context) {
+ RemoveContextJob removeContextJob = new RemoveContextJob(ownIdentity, context);
+ if (!updateJobs.contains(removeContextJob)) {
+ logger.log(Level.FINER, "Adding Context Job: " + removeContextJob);
+ try {
+ updateJobs.put(removeContextJob);
+ } catch (InterruptedException ie1) {
+ /* the queue is unbounded so it should never block. */
+ }
+ }
+ }
+
+ /**
+ * Sets a property on the given own identity.
+ *
+ * @param ownIdentity
+ * The own identity to set the property on
+ * @param propertyName
+ * The name of the property to set
+ * @param propertyValue
+ * The value of the property to set
+ */
+ public void setProperty(OwnIdentity ownIdentity, String propertyName, String propertyValue) {
+ SetPropertyJob setPropertyJob = new SetPropertyJob(ownIdentity, propertyName, propertyValue);
+ if (updateJobs.contains(setPropertyJob)) {
+ updateJobs.remove(setPropertyJob);
+ }
+ logger.log(Level.FINER, "Adding Property Job: " + setPropertyJob);
+ try {
+ updateJobs.put(setPropertyJob);
+ } catch (InterruptedException e) {
+ /* the queue is unbounded so it should never block. */
+ }
+ }
+
+ /**
+ * Removes a property from the given own identity.
+ *
+ * @param ownIdentity
+ * The own identity to remove the property from
+ * @param propertyName
+ * The name of the property to remove
+ */
+ public void removeProperty(OwnIdentity ownIdentity, String propertyName) {
+ setProperty(ownIdentity, propertyName, null);
+ }
+
//
// SERVICE METHODS
//
*
* @return {@code true} if this job finished successfully, {@code false}
* otherwise
- *
* @see WebOfTrustUpdater#stop()
*/
@SuppressWarnings("synthetic-access")
}
/**
- * Update job that retrieves the trust relation between two identities.
+ * Base class for context updates of an {@link OwnIdentity}.
*
* @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
- private class GetTrustJob extends WebOfTrustTrustUpdateJob {
+ private class WebOfTrustContextUpdateJob extends WebOfTrustUpdateJob {
+
+ /** The own identity whose contexts to manage. */
+ protected final OwnIdentity ownIdentity;
+
+ /** The context to update. */
+ protected final String context;
/**
- * Creates a new trust update job.
+ * Creates a new context update job.
*
- * @param truster
- * The identity giving the trust
- * @param trustee
- * The identity receiving the trust
+ * @param ownIdentity
+ * The own identity to update
+ * @param context
+ * The context to update
*/
- public GetTrustJob(OwnIdentity truster, Identity trustee) {
- super(truster, trustee);
+ @SuppressWarnings("synthetic-access")
+ public WebOfTrustContextUpdateJob(OwnIdentity ownIdentity, String context) {
+ this.ownIdentity = checkNotNull(ownIdentity, "ownIdentity must not be null");
+ this.context = checkNotNull(context, "context must not be null");
+ }
+
+ //
+ // OBJECT METHODS
+ //
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public boolean equals(Object object) {
+ if ((object == null) || !object.getClass().equals(getClass())) {
+ return false;
+ }
+ WebOfTrustContextUpdateJob updateJob = (WebOfTrustContextUpdateJob) object;
+ return updateJob.ownIdentity.equals(ownIdentity) && updateJob.context.equals(context);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public int hashCode() {
+ return getClass().hashCode() ^ ownIdentity.hashCode() ^ context.hashCode();
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public String toString() {
+ return String.format("%s[ownIdentity=%s,context=%s]", getClass().getSimpleName(), ownIdentity, context);
+ }
+
+ }
+
+ /**
+ * Job that adds a context to an {@link OwnIdentity}.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+ private class AddContextJob extends WebOfTrustContextUpdateJob {
+
+ /**
+ * Creates a new add-context job.
+ *
+ * @param ownIdentity
+ * The own identity whose contexts to manage
+ * @param context
+ * The context to add
+ */
+ public AddContextJob(OwnIdentity ownIdentity, String context) {
+ super(ownIdentity, context);
}
/**
@SuppressWarnings("synthetic-access")
public void run() {
try {
- Trust trust = webOfTrustConnector.getTrust(truster, trustee);
- if (trustee instanceof DefaultIdentity) {
- ((DefaultIdentity) trustee).setTrust(truster, trust);
- }
+ webOfTrustConnector.addContext(ownIdentity, context);
+ ownIdentity.addContext(context);
finish(true);
} catch (PluginException pe1) {
- logger.log(Level.WARNING, "Could not get Trust value for " + truster + " -> " + trustee + "!", pe1);
+ logger.log(Level.WARNING, String.format("Could not add Context “%2$s” to Own Identity %1$s!", ownIdentity, context), pe1);
finish(false);
}
}
}
/**
- * Base class for context updates of an {@link OwnIdentity}.
+ * Job that removes a context from an {@link OwnIdentity}.
*
* @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
- private class WebOfTrustContextUpdateJob extends WebOfTrustUpdateJob {
+ private class RemoveContextJob extends WebOfTrustContextUpdateJob {
- /** The own identity whose contexts to manage. */
+ /**
+ * Creates a new remove-context job.
+ *
+ * @param ownIdentity
+ * The own identity whose contexts to manage
+ * @param context
+ * The context to remove
+ */
+ public RemoveContextJob(OwnIdentity ownIdentity, String context) {
+ super(ownIdentity, context);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ @SuppressWarnings("synthetic-access")
+ public void run() {
+ try {
+ webOfTrustConnector.removeContext(ownIdentity, context);
+ ownIdentity.removeContext(context);
+ finish(true);
+ } catch (PluginException pe1) {
+ logger.log(Level.WARNING, String.format("Could not remove Context “%2$s” to Own Identity %1$s!", ownIdentity, context), pe1);
+ finish(false);
+ }
+ }
+
+ }
+
+ /**
+ * Base class for update jobs that deal with properties.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+ private class WebOfTrustPropertyUpdateJob extends WebOfTrustUpdateJob {
+
+ /** The own identity to update properties on. */
protected final OwnIdentity ownIdentity;
- /** The context to update. */
- protected final String context;
+ /** The name of the property to update. */
+ protected final String propertyName;
/**
- * Creates a new context update job.
+ * Creates a new property update job.
*
* @param ownIdentity
- * The own identity to update
- * @param context
- * The context to update
+ * The own identity to update the property on
+ * @param propertyName
+ * The name of the property to update
*/
@SuppressWarnings("synthetic-access")
- public WebOfTrustContextUpdateJob(OwnIdentity ownIdentity, String context) {
- Validation.begin().isNotNull("OwnIdentity", ownIdentity).isNotNull("Context", context).check();
+ public WebOfTrustPropertyUpdateJob(OwnIdentity ownIdentity, String propertyName) {
this.ownIdentity = ownIdentity;
- this.context = context;
+ this.propertyName = propertyName;
}
//
if ((object == null) || !object.getClass().equals(getClass())) {
return false;
}
- WebOfTrustContextUpdateJob updateJob = (WebOfTrustContextUpdateJob) object;
- return updateJob.ownIdentity.equals(ownIdentity) && updateJob.context.equals(context);
+ WebOfTrustPropertyUpdateJob updateJob = (WebOfTrustPropertyUpdateJob) object;
+ return updateJob.ownIdentity.equals(ownIdentity) && updateJob.propertyName.equals(propertyName);
}
/**
*/
@Override
public int hashCode() {
- return getClass().hashCode() ^ ownIdentity.hashCode() ^ context.hashCode();
+ return getClass().hashCode() ^ ownIdentity.hashCode() ^ propertyName.hashCode();
}
/**
*/
@Override
public String toString() {
- return String.format("%s[ownIdentity=%s,context=%s]", getClass().getSimpleName(), ownIdentity, context);
+ return String.format("%s[ownIdentity=%s,propertyName=%s]", getClass().getSimpleName(), ownIdentity, propertyName);
}
}
/**
- * Job that adds a context to an {@link OwnIdentity}.
+ * WebOfTrust update job that sets a property on an {@link OwnIdentity}.
*
* @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
- private class AddContextJob extends WebOfTrustContextUpdateJob {
+ private class SetPropertyJob extends WebOfTrustPropertyUpdateJob {
+
+ /** The value of the property to set. */
+ private final String propertyValue;
/**
- * Creates a new add-context job.
+ * Creates a new set-property job.
*
* @param ownIdentity
- * The own identity whose contexts to manage
- * @param context
- * The context to add
+ * The own identity to set the property on
+ * @param propertyName
+ * The name of the property to set
+ * @param propertyValue
+ * The value of the property to set
*/
- public AddContextJob(OwnIdentity ownIdentity, String context) {
- super(ownIdentity, context);
+ public SetPropertyJob(OwnIdentity ownIdentity, String propertyName, String propertyValue) {
+ super(ownIdentity, propertyName);
+ this.propertyValue = propertyValue;
}
/**
@SuppressWarnings("synthetic-access")
public void run() {
try {
- webOfTrustConnector.addContext(ownIdentity, context);
- ownIdentity.addContext(context);
+ if (propertyValue == null) {
+ webOfTrustConnector.removeProperty(ownIdentity, propertyName);
+ ownIdentity.removeProperty(propertyName);
+ } else {
+ webOfTrustConnector.setProperty(ownIdentity, propertyName, propertyValue);
+ ownIdentity.setProperty(propertyName, propertyValue);
+ }
finish(true);
} catch (PluginException pe1) {
- logger.log(Level.WARNING, String.format("Could not add Context “%2$s” to Own Identity %1$s!", ownIdentity, context), pe1);
+ logger.log(Level.WARNING, String.format("Could not set Property “%2$s” to “%3$s” on Own Identity %1$s!", ownIdentity, propertyName, propertyValue), pe1);
finish(false);
}
}