Support RFC 4331: Quota and Size Properties for DAV Collections

generate.sh

@@ -0,0 +1 @@
+xjc webdav.xsd -d src/main/java -p com.github.sardine.model -nv

src/main/java/com/github/sardine/DavQuota.java

@@ -0,0 +1,43 @@
+package com.github.sardine;
+
+import com.github.sardine.model.Prop;
+import com.github.sardine.model.Response;
+
+/**
+ * Quota and Size Properties
+ *
+ * @author Alexander Makarov
+ */
+public class DavQuota {
+	/**
+	 * The DAV:quota-available-bytes property value is the value in octets
+	 * representing the amount of additional disk space beyond the current
+	 * allocation that can be allocated to this resource before further
+	 * allocations will be refused.
+	 */
+	private final long quotaAvailableBytes;
+
+	/**
+	 * The DAV:quota-used-bytes value is the value in octets representing
+	 * the amount of space used by this resource and possibly a number of
+	 * other similar resources, where the set of "similar" meets at least
+	 * the criterion that allocating space to any resource in the set will
+	 * count against the DAV:quota-available-bytes.
+	 */
+	private final long quotaUsedBytes;
+
+	public DavQuota(Response response) {
+		Prop prop = response.getPropstat().get(0).getProp();
+		this.quotaAvailableBytes = Long.valueOf(prop.getQuotaAvailableBytes().getContent().get(0));
+		this.quotaUsedBytes = Long.valueOf(prop.getQuotaUsedBytes().getContent().get(0));
+	}
+
+	public long getQuotaAvailableBytes() {
+		return quotaAvailableBytes;
+	}
+
+	public long getQuotaUsedBytes() {
+		return quotaUsedBytes;
+	}
+
+}

src/main/java/com/github/sardine/Sardine.java

@@ -247,6 +247,15 @@ public interface Sardine
 	 */
 	DavAcl getAcl(String url) throws IOException;
 
+	/**
+	 * Read quota properties for resource
+	 *
+	 * @param url Path to the resource including protocol and hostname
+	 * @return Current Quota and Size Properties for resource
+	 * @throws IOException I/O error or HTTP response validation failure
+	 */
+	DavQuota getQuota(String url) throws IOException;
+
 	/**
 	 * Write access control list for resource
 	 *

src/main/java/com/github/sardine/impl/SardineImpl.java

@@ -80,10 +80,10 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.w3c.dom.Element;
-
 import com.github.sardine.DavAce;
 import com.github.sardine.DavAcl;
 import com.github.sardine.DavPrincipal;
+import com.github.sardine.DavQuota;
 import com.github.sardine.DavResource;
 import com.github.sardine.Sardine;
 import com.github.sardine.Version;
@@ -117,6 +117,8 @@
 import com.github.sardine.model.Propertyupdate;
 import com.github.sardine.model.Propfind;
 import com.github.sardine.model.Propstat;
+import com.github.sardine.model.QuotaUsedBytes;
+import com.github.sardine.model.QuotaAvailableBytes;
 import com.github.sardine.model.Remove;
 import com.github.sardine.model.Resourcetype;
 import com.github.sardine.model.Response;
@@ -515,6 +517,29 @@ public DavAcl getAcl(String url) throws IOException
 		}
 	}
 
+	@Override
+	public DavQuota getQuota(String url) throws IOException
+	{
+		HttpPropFind entity = new HttpPropFind(url);
+		entity.setDepth("0");
+		Propfind body = new Propfind();
+		Prop prop = new Prop();
+		prop.setQuotaAvailableBytes(new QuotaAvailableBytes());
+		prop.setQuotaUsedBytes(new QuotaUsedBytes());
+		body.setProp(prop);
+		entity.setEntity(new StringEntity(SardineUtil.toXml(body), UTF_8));
+		Multistatus multistatus = this.execute(entity, new MultiStatusResponseHandler());
+		List<Response> responses = multistatus.getResponse();
+		if (responses.isEmpty())
+		{
+			return null;
+		}
+		else
+		{
+			return new DavQuota(responses.get(0));
+		}
+	}
+
 	@Override
 	public List<DavPrincipal> getPrincipals(String url) throws IOException
 	{