From b9887a5b57681169625761cd5a18237f3b8eaf58 Mon Sep 17 00:00:00 2001 From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?= Date: Mon, 10 Sep 2012 13:08:35 +0200 Subject: [PATCH 1/1] Implement adding of contexts. --- .../pterodactylus/sone/core/WebOfTrustUpdater.java | 165 +++++++++++++++++++++ 1 file changed, 165 insertions(+) diff --git a/src/main/java/net/pterodactylus/sone/core/WebOfTrustUpdater.java b/src/main/java/net/pterodactylus/sone/core/WebOfTrustUpdater.java index 0ee5a2c..59abc8e 100644 --- a/src/main/java/net/pterodactylus/sone/core/WebOfTrustUpdater.java +++ b/src/main/java/net/pterodactylus/sone/core/WebOfTrustUpdater.java @@ -31,6 +31,7 @@ import net.pterodactylus.sone.freenet.wot.WebOfTrustConnector; 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; /** * Updates WebOfTrust identity data in a background thread because communicating @@ -118,6 +119,70 @@ public class WebOfTrustUpdater extends AbstractService { } } + /** + * Adds the given context to the given own identity. + * + * @param ownIdentity + * The own identity to add the context to + * @param context + * The context to add + */ + public void addContext(OwnIdentity ownIdentity, String context) { + addContextWait(ownIdentity, context, false); + } + + /** + * Adds the given context to the given own identity, waiting for completion + * of the operation. + * + * @param ownIdentity + * The own identity to add the context to + * @param context + * The context to add + * @return {@code true} if the context was added successfully, {@code false} + * otherwise + */ + public boolean addContextWait(OwnIdentity ownIdentity, String context) { + return addContextWait(ownIdentity, context, true); + } + + /** + * Adds the given context to the given own identity, waiting for completion + * of the operation. + * + * @param ownIdentity + * The own identity to add the context to + * @param context + * The context to add + * @param wait + * {@code true} to wait for the end of the operation, + * {@code false} to return immediately + * @return {@code true} if the context was added successfully, {@code false} + * if the context was not added successfully, or if the job should + * not wait for completion + */ + private boolean addContextWait(OwnIdentity ownIdentity, String context, boolean wait) { + AddContextJob addContextJob = new AddContextJob(ownIdentity, context); + if (!updateJobs.contains(addContextJob)) { + logger.log(Level.FINER, "Adding Context Job: " + addContextJob); + try { + updateJobs.put(addContextJob); + } catch (InterruptedException ie1) { + /* the queue is unbounded so it should never block. */ + } + if (wait) { + return addContextJob.waitForCompletion(); + } + } else if (wait) { + for (WebOfTrustUpdateJob updateJob : updateJobs) { + if (updateJob.equals(addContextJob)) { + return updateJob.waitForCompletion(); + } + } + } + return false; + } + // // SERVICE METHODS // @@ -386,6 +451,106 @@ public class WebOfTrustUpdater extends AbstractService { finish(false); } } + + } + + /** + * Base class for context updates of an {@link OwnIdentity}. + * + * @author David ‘Bombe’ Roden + */ + 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 context update job. + * + * @param ownIdentity + * The own identity to update + * @param context + * The context to update + */ + @SuppressWarnings("synthetic-access") + public WebOfTrustContextUpdateJob(OwnIdentity ownIdentity, String context) { + Validation.begin().isNotNull("OwnIdentity", ownIdentity).isNotNull("Context", context).check(); + this.ownIdentity = ownIdentity; + this.context = context; + } + + // + // 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 David ‘Bombe’ Roden + */ + 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); + } + + /** + * {@inheritDoc} + */ + @Override + @SuppressWarnings("synthetic-access") + public void run() { + try { + webOfTrustConnector.addContext(ownIdentity, context); + ownIdentity.addContext(context); + 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); + finish(false); + } + } + } } -- 2.7.4