Implement the getDynamicGlobalProperties method of the Codenser API (Work on #208)

Author: neutralleiter

core/src/main/java/eu/bittrade/libs/steemj/SteemJ.java

@@ -17,14 +17,10 @@
 package eu.bittrade.libs.steemj;
 
 import java.security.InvalidParameterException;
-import java.text.ParseException;
-import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Date;
 import java.util.List;
 import java.util.Map;
-import java.util.TimeZone;
 import java.util.UUID;
 
 import org.apache.commons.lang3.tuple.ImmutablePair;
@@ -38,6 +34,7 @@
 
 import eu.bittrade.crypto.core.ECKey;
 import eu.bittrade.crypto.core.Sha256Hash;
+import eu.bittrade.libs.steemj.base.models.Account;
 import eu.bittrade.libs.steemj.base.models.BeneficiaryRouteType;
 import eu.bittrade.libs.steemj.base.models.ChainProperties;
 import eu.bittrade.libs.steemj.base.models.CommentOptionsExtension;
@@ -47,16 +44,12 @@
 import eu.bittrade.libs.steemj.base.models.ScheduledHardfork;
 import eu.bittrade.libs.steemj.chain.SignedTransaction;
 import eu.bittrade.libs.steemj.communication.CommunicationHandler;
-import eu.bittrade.libs.steemj.communication.jrpc.JsonRPCRequest;
 import eu.bittrade.libs.steemj.configuration.SteemJConfig;
 import eu.bittrade.libs.steemj.enums.PrivateKeyType;
-import eu.bittrade.libs.steemj.enums.RequestMethod;
 import eu.bittrade.libs.steemj.enums.RewardFundType;
-import eu.bittrade.libs.steemj.enums.SteemApiType;
 import eu.bittrade.libs.steemj.exceptions.SteemCommunicationException;
 import eu.bittrade.libs.steemj.exceptions.SteemInvalidTransactionException;
 import eu.bittrade.libs.steemj.exceptions.SteemResponseException;
-import eu.bittrade.libs.steemj.exceptions.SteemTransformationException;
 import eu.bittrade.libs.steemj.fc.TimePointSec;
 import eu.bittrade.libs.steemj.plugins.apis.account.by.key.AccountByKeyApi;
 import eu.bittrade.libs.steemj.plugins.apis.account.by.key.models.GetKeyReferencesArgs;
@@ -71,6 +64,7 @@
 import eu.bittrade.libs.steemj.plugins.apis.condenser.CondenserApi;
 import eu.bittrade.libs.steemj.plugins.apis.condenser.models.AccountVote;
 import eu.bittrade.libs.steemj.plugins.apis.condenser.models.ExtendedAccount;
+import eu.bittrade.libs.steemj.plugins.apis.condenser.models.ExtendedDynamicGlobalProperties;
 import eu.bittrade.libs.steemj.plugins.apis.condenser.models.ExtendedLimitOrder;
 import eu.bittrade.libs.steemj.plugins.apis.condenser.models.State;
 import eu.bittrade.libs.steemj.plugins.apis.database.DatabaseApi;
@@ -2066,6 +2060,11 @@ public List<Tag> getTrendingTags(String firstTagPattern, int limit)
     // ## UTILITY METHODS ######################################################
     // #########################################################################
 
+    public static double calculateRemainingBandwidth(ExtendedDynamicGlobalProperties extendedDynamicGlobalProperties,
+            Account account) {
+        return 0.0;
+    }
+
     /*
      * TODO: Provided by mdfk -> Needs to adjusted to work with the new api
      * calls. private double getEarnedMoney(Comment comment) throws

core/src/main/java/eu/bittrade/libs/steemj/plugins/apis/condenser/CondenserApi.java

@@ -23,9 +23,40 @@
 import eu.bittrade.libs.steemj.enums.SteemApiType;
 import eu.bittrade.libs.steemj.exceptions.SteemCommunicationException;
 import eu.bittrade.libs.steemj.exceptions.SteemResponseException;
+import eu.bittrade.libs.steemj.plugins.apis.condenser.models.ExtendedDynamicGlobalProperties;
 import eu.bittrade.libs.steemj.plugins.apis.condenser.models.State;
+import eu.bittrade.libs.steemj.plugins.apis.database.DatabaseApi;
 
+/**
+ * This class implements the "condenser_api".
+ * 
+ * @author <a href="http://steemit.com/@dez1337">dez1337</a>
+ */
 public class CondenserApi {
+    /** Add a private constructor to hide the implicit public one. */
+    private CondenserApi() {
+    }
+
+    /**
+     * Like
+     * {@link DatabaseApi#getDynamicGlobalProperties(CommunicationHandler)}, but
+     * returns an {@link ExtendedDynamicGlobalProperties} object providing
+     * additional information.
+     * 
+     * @param communicationHandler
+     * @return ExtendedDynamicGlobalProperties
+     * @throws SteemCommunicationException
+     * @throws SteemResponseException
+     */
+    public static ExtendedDynamicGlobalProperties getDynamicGlobalProperties(CommunicationHandler communicationHandler)
+            throws SteemCommunicationException, SteemResponseException {
+        JsonRPCRequest requestObject = new JsonRPCRequest(SteemApiType.CONDENSER_API,
+                RequestMethod.GET_DYNAMIC_GLOBAL_PROPERTIES, null);
+
+        return communicationHandler.performRequest(requestObject, ExtendedDynamicGlobalProperties.class).get(0);
+
+    }
+
     /**
      * This API is a short-cut for returning all of the state required for a
      * particular URL with a single query.