[client] Add classes for caching of data fetched via thrift

(could be used for other things too, code is fairly generic)

1 files changed, 69 insertions, 0 deletions

diff --git a/dozentenmodul/src/main/java/org/openslx/bwlp/dozmod/thrift/OrganizationList.java b/dozentenmodul/src/main/java/org/openslx/bwlp/dozmod/thrift/OrganizationList.java
new file mode 100644
index 00000000..d13da1b3
--- /dev/null
+++ b/dozentenmodul/src/main/java/org/openslx/bwlp/dozmod/thrift/OrganizationList.java
@@ -0,0 +1,69 @@
+package org.openslx.bwlp.dozmod.thrift;
+
+import java.util.List;
+
+import org.openslx.bwlp.thrift.iface.Organization;
+import org.openslx.bwlp.thrift.iface.UserInfo;
+import org.openslx.thrifthelper.ThriftManager;
+
+public class OrganizationList extends ACache<List<Organization>> {
+
+	/**
+	 * How long should the list be cached?
+	 */
+	private static final int CACHE_TIME_MS = 20 * 60 * 1000;
+
+	private static final OrganizationList instance = new OrganizationList();
+
+	private OrganizationList() {
+		super(CACHE_TIME_MS);
+	}
+
+	@Override
+	public List<Organization> update() throws Exception {
+		try {
+			return ThriftManager.getMasterClient().getOrganizations();
+		} catch (Exception e) {
+			// Swallow exception, then try satellite
+		}
+		return ThriftManager.getSatClient().getAllOrganizations();
+		// TODO: Sort list by display name?
+	}
+
+	/**
+	 * Get all known organizations
+	 * 
+	 * @return list of organizations
+	 */
+	public static List<Organization> getAll() {
+		return instance.get();
+	}
+
+	/**
+	 * Find the organization the given user belongs to
+	 * 
+	 * @param user
+	 * @return matching organization, or <code>null</code> if not found
+	 */
+	public static Organization find(UserInfo user) {
+		return find(user.organizationId);
+	}
+	
+	/**
+	 * Find the organization with the given id
+	 * 
+	 * @param organization id
+	 * @return matching organization, or <code>null</code> if not found
+	 */
+	public static Organization find(String organizationId) {
+		List<Organization> list = instance.get();
+		if (list == null)
+			return null;
+		for (Organization org : list) {
+			if (org.organizationId.equals(organizationId))
+				return org;
+		}
+		return null;
+	}
+
+}