Adds convenience methods for UI pages

[mkjsf-moved-to-github.git] / src / main / java / com / indexdata / mkjsf / pazpar2 / data / ResponseDataObject.java

diff --git a/src/main/java/com/indexdata/mkjsf/pazpar2/data/ResponseDataObject.java b/src/main/java/com/indexdata/mkjsf/pazpar2/data/ResponseDataObject.java
index 8ffd810..572be9a 100644 (file)
--- a/src/main/java/com/indexdata/mkjsf/pazpar2/data/ResponseDataObject.java
+++ b/src/main/java/com/indexdata/mkjsf/pazpar2/data/ResponseDataObject.java
@@ -43,7 +43,7 @@ public class ResponseDataObject implements Serializable {
       elements.get(name).add(value);\r
     } else {\r
       List<ResponseDataObject> list = new ArrayList<ResponseDataObject>();\r
-      list.add(value);\r
+      list.add(value);      \r
       elements.put(name,list);\r
     }\r
   }\r
@@ -52,6 +52,37 @@ public class ResponseDataObject implements Serializable {
     return elements.get(name);\r
   }\r
   \r
+  public List<ResponseDataObject> getElements(String name, int maxElements) {\r
+    if (getElements(name)!=null) {\r
+      int size = getElements(name).size();\r
+      if (size>0) {\r
+        return ((ArrayList<ResponseDataObject>) getElements(name)).subList(0, Math.min(maxElements,size));        \r
+      } \r
+    }   \r
+    return getElements(name);\r
+  }\r
+  \r
+  public List<ResponseDataObject> getElements(String name, int maxElements, int maxTotalValueLength) {\r
+    if (getElements(name)!=null) {\r
+      int size = getElements(name).size();\r
+      if (size>0) {\r
+        List<ResponseDataObject> maxElementsList = ((ArrayList<ResponseDataObject>) getElements(name)).subList(0, Math.min(maxElements,size));\r
+        int i = 0;\r
+        int totalLength = 0;\r
+        for (ResponseDataObject element : maxElementsList) {\r
+          totalLength += element.getValue().length(); \r
+          i++;\r
+          if (totalLength>maxTotalValueLength) {\r
+            break;\r
+          } \r
+        }\r
+        return maxElementsList.subList(0, i);\r
+      } \r
+    }   \r
+    return getElements(name);\r
+  }\r
+\r
+  \r
   public ResponseDataObject getOneElement (String name) {\r
     if (elements.get(name) != null) {\r
       return elements.get(name).get(0);\r
@@ -66,7 +97,7 @@ public class ResponseDataObject implements Serializable {
    * @param name of the element \r
    * @return text value, empty string if none found\r
    */\r
-  public String getOneElementValue (String name) {\r
+  public String getOneValue (String name) {\r
     if (getOneElement(name)!=null && getOneElement(name).getValue().length()>0) {\r
       return getOneElement(name).getValue();\r
     } else {\r
@@ -74,6 +105,19 @@ public class ResponseDataObject implements Serializable {
     }\r
   }\r
   \r
+  public String[] getValueArray (String name) {\r
+    List<ResponseDataObject> elements = getElements(name);\r
+    String[] valueArray = {};\r
+    if (elements != null) {\r
+      valueArray = new String[elements.size()];\r
+      int i = 0;\r
+      for (ResponseDataObject element : elements) {\r
+        valueArray[i++] = element.getValue();\r
+      }      \r
+    }\r
+    return valueArray;\r
+  }\r
+    \r
   public void appendContent (String content) {\r
     textContent = textContent + content;\r
   }\r
@@ -92,7 +136,7 @@ public class ResponseDataObject implements Serializable {
   }\r
   \r
   public int getIntValue(String name) {\r
-    String val = getOneElementValue(name);\r
+    String val = getOneValue(name);\r
     if (val.length()==0) {\r
       return 0;\r
     } else {\r