Modify download logic for csar file

Change-Id: Iea00981a05b3a34a0ba2b7bc3eaef45da35c32e5
Issue-ID: USECASEUI-157
Signed-off-by: guochuyicmri <guochuyi@chinamobile.com>

2 files changed, 15 insertions, 1 deletions

diff --git a/server/src/main/java/org/onap/usecaseui/server/service/lcm/impl/DefaultServiceTemplateService.java b/server/src/main/java/org/onap/usecaseui/server/service/lcm/impl/DefaultServiceTemplateService.java
index 704e4112..9aba5cca 100644
--- a/server/src/main/java/org/onap/usecaseui/server/service/lcm/impl/DefaultServiceTemplateService.java
+++ b/server/src/main/java/org/onap/usecaseui/server/service/lcm/impl/DefaultServiceTemplateService.java
@@ -31,6 +31,7 @@ import org.onap.usecaseui.server.service.lcm.domain.sdc.SDCCatalogService;
 import org.onap.usecaseui.server.service.lcm.domain.sdc.bean.SDCServiceTemplate;
 import org.onap.usecaseui.server.service.lcm.domain.sdc.exceptions.SDCCatalogException;
 import org.onap.usecaseui.server.util.RestfulServices;
+import org.onap.usecaseui.server.util.UuiCommonUtil;
 import org.openecomp.sdc.toscaparser.api.NodeTemplate;
 import org.openecomp.sdc.toscaparser.api.Property;
 import org.openecomp.sdc.toscaparser.api.ToscaTemplate;
@@ -94,7 +95,9 @@ public class DefaultServiceTemplateService implements ServiceTemplateService {
         String toPath = String.format("/home/uui/%s.csar", uuid);
         //String toPath = String.format("D:\\work/%s.csar", uuid);
         try {
-        	downloadFile(toscaModelPath, toPath);
+        	if(!UuiCommonUtil.isExistFile(toPath)){
+        		downloadFile(toscaModelPath, toPath);
+        	}
             return extractTemplate(toPath, isVF);
         }  catch (IOException e) {
             throw new SDCCatalogException("download csar file failed!", e);
diff --git a/server/src/main/java/org/onap/usecaseui/server/util/UuiCommonUtil.java b/server/src/main/java/org/onap/usecaseui/server/util/UuiCommonUtil.java
index 3a90e713..a1513fd4 100644
--- a/server/src/main/java/org/onap/usecaseui/server/util/UuiCommonUtil.java
+++ b/server/src/main/java/org/onap/usecaseui/server/util/UuiCommonUtil.java
@@ -16,6 +16,7 @@
 package org.onap.usecaseui.server.util;
 
 import java.io.BufferedReader;
+import java.io.File;
 import java.io.IOException;
 import java.lang.reflect.Array;
 import java.util.ArrayList;
@@ -136,4 +137,14 @@ public class UuiCommonUtil {
         }
 		return listPages;
 	}
+	
+    public static boolean isExistFile(String path) {
+    	 
+        if (null == path || "".equals(path.trim())) {
+            return false;
+        }
+ 
+        File targetFile = new File(path);
+        return targetFile.exists();
+    }
 }