Add the "DownloadAttempt" class.

src/main/java/eu/openaire/urls_controller/models/DownloadAttempt.java

@@ -0,0 +1,83 @@
+package eu.openaire.urls_controller.models;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+
+import java.util.Date;
+
+
+@JsonInclude(JsonInclude.Include.NON_NULL)
+@JsonPropertyOrder({
+        "id",
+        "original_url",
+        "actual_url",
+        "date",
+        "status",
+        "error"
+})
+public class DownloadAttempt {
+
+    @JsonProperty("id")
+    private String id;
+
+    @JsonProperty("original_url")
+    private String original_url;
+
+    @JsonProperty("date")
+    private Date date;
+
+    @JsonProperty("status")
+    private String status;
+
+    @JsonProperty("error")
+    private Error error;
+
+    public DownloadAttempt(String id, String original_url, Date date, String status, Error error) {
+        this.id = id;
+        this.original_url = original_url;
+        this.date = date;
+        this.status = status;
+        this.error = error;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getOriginal_url() {
+        return original_url;
+    }
+
+    public void setOriginal_url(String original_url) {
+        this.original_url = original_url;
+    }
+
+    public Date getDate() {
+        return date;
+    }
+
+    public void setDate(Date date) {
+        this.date = date;
+    }
+
+    public String getStatus() {
+        return status;
+    }
+
+    public void setStatus(String status) {
+        this.status = status;
+    }
+
+    public Error getError() {
+        return error;
+    }
+
+    public void setError(Error error) {
+        this.error = error;
+    }
+}