#41 implemented find

src/main/java/com/amihaiemil/zold/RtWallet.java

@@ -29,13 +29,16 @@
 import org.apache.http.client.HttpClient;
 import org.apache.http.client.methods.HttpGet;
 import org.apache.http.client.methods.HttpPost;
+import org.apache.http.client.utils.URIBuilder;
 import org.apache.http.entity.ContentType;
 import org.apache.http.entity.StringEntity;
 
 import java.io.IOException;
 import java.net.URI;
+import java.net.URISyntaxException;
 
 import javax.json.Json;
+import javax.json.JsonArray;
 
 /**
  * RESTful Zold wallet.
@@ -143,10 +146,27 @@ public void pay(
     }
 
     @Override
-    public void find(final String id, final String details) {
-        throw new UnsupportedOperationException(
-            "Not yet implemented. If you can contribute please, do it at "
-            + "https://github.com/amihaiemil/zold-java-client"
+    public JsonArray find(
+            final String id, final String details
+    ) throws IOException, URISyntaxException {
+        URIBuilder builder = new URIBuilder(this.baseUri.toString() + "/find");
+        builder.setParameter("bnf", id);
+        builder.setParameter("details", details);
+        final HttpGet request = new HttpGet(
+                builder.build()
         );
+        try {
+            return this.client.execute(
+                    request,
+                    new ReadJsonArray(
+                            new MatchStatus(
+                                    request.getURI(),
+                                    HttpStatus.SC_OK
+                            )
+                    )
+            );
+        } finally {
+            request.releaseConnection();
+        }
     }
 }

src/main/java/com/amihaiemil/zold/Wallet.java

@@ -25,7 +25,9 @@
  */
 package com.amihaiemil.zold;
 
+import javax.json.JsonArray;
 import java.io.IOException;
+import java.net.URISyntaxException;
 
 /**
  * Zold Wallet.
@@ -64,10 +66,13 @@ void pay(
     )throws IOException;
 
     /**
-    * Finds all payments that match this query and returns.
-    * @param id Wallet id
-    * @param details Regex of payment details
-    * @throws IOException If there's a networking problem.
-    */
-    void find(String id, String details)throws IOException;
+     * Finds all payments that match this query and returns.
+     * @return Array of found transactions.
+     * @param id Wallet id
+     * @param details Regex of payment details
+     * @throws IOException If there's a networking problem.
+     * @throws URISyntaxException If there's a problem building URI.
+     */
+    JsonArray find(String id, String details)
+            throws IOException, URISyntaxException;
 }