fix: xml array encoding/decoding of integer and string #12

src/main/java/com/reandroid/lib/apk/ApkUtil.java

@@ -137,4 +137,7 @@ public class ApkUtil {
     public static final String NAME_data="data";
     public static final String RES_DIR_NAME="res";
     public static final String FILE_NAME_PUBLIC_XML ="public.xml";
+
+    public static final String TAG_STRING_ARRAY = "string-array";
+    public static final String TAG_INTEGER_ARRAY = "integer-array";
 }

src/main/java/com/reandroid/lib/apk/xmldecoder/XMLArrayDecoder.java

@@ -15,13 +15,18 @@
   */
 package com.reandroid.lib.apk.xmldecoder;
 
+import com.reandroid.lib.apk.ApkUtil;
 import com.reandroid.lib.arsc.decoder.ValueDecoder;
 import com.reandroid.lib.arsc.value.ResValueBag;
 import com.reandroid.lib.arsc.value.ResValueBagItem;
+import com.reandroid.lib.arsc.value.ValueType;
 import com.reandroid.lib.common.EntryStore;
 import com.reandroid.xml.XMLElement;
 
-class XMLArrayDecoder extends BagDecoder{
+import java.util.HashSet;
+import java.util.Set;
+
+ class XMLArrayDecoder extends BagDecoder{
     public XMLArrayDecoder(EntryStore entryStore) {
         super(entryStore);
     }
@@ -30,11 +35,19 @@ class XMLArrayDecoder extends BagDecoder{
     public void decode(ResValueBag resValueBag, XMLElement parentElement) {
         ResValueBagItem[] bagItems = resValueBag.getBagItems();
         EntryStore entryStore=getEntryStore();
+        Set<ValueType> valueTypes = new HashSet<>();
         for(int i=0;i<bagItems.length;i++){
-            String value = ValueDecoder.decodeIntEntry(entryStore, bagItems[i]);
+            ResValueBagItem bagItem = bagItems[i];
-            XMLElement child=new XMLElement("item");
+            String value = ValueDecoder.decodeIntEntry(entryStore, bagItem);
+            XMLElement child = new XMLElement("item");
             child.setTextContent(value);
             parentElement.addChild(child);
+            valueTypes.add(bagItem.getValueType());
+        }
+        if(valueTypes.contains(ValueType.STRING)){
+            parentElement.setTagName(ApkUtil.TAG_STRING_ARRAY);
+        }else if(valueTypes.size()==1 && valueTypes.contains(ValueType.INT_DEC)){
+            parentElement.setTagName(ApkUtil.TAG_INTEGER_ARRAY);
         }
     }
     @Override

src/main/java/com/reandroid/lib/apk/xmlencoder/XMLValuesEncoderArray.java

@@ -15,6 +15,7 @@
   */
 package com.reandroid.lib.apk.xmlencoder;
 
+import com.reandroid.lib.apk.ApkUtil;
 import com.reandroid.lib.arsc.array.ResValueBagItemArray;
 import com.reandroid.lib.arsc.decoder.ValueDecoder;
 import com.reandroid.lib.arsc.value.ResValueBag;
@@ -29,7 +30,14 @@ class XMLValuesEncoderArray extends XMLValuesEncoderBag{
     @Override
     void encodeChildes(XMLElement parentElement, ResValueBag resValueBag){
         int count = parentElement.getChildesCount();
-        boolean tag_string="string-array".equals(parentElement.getTagName());
+        String tagName = parentElement.getTagName();
+        boolean force_string = false;
+        boolean force_integer = false;
+        if(ApkUtil.TAG_STRING_ARRAY.equals(tagName)){
+            force_string = true;
+        }else if(ApkUtil.TAG_INTEGER_ARRAY.equals(tagName)){
+            force_integer = true;
+        }
         ResValueBagItemArray itemArray = resValueBag.getResValueBagItemArray();
         for(int i=0;i<count;i++){
             XMLElement child=parentElement.getChildAt(i);
@@ -39,12 +47,24 @@ class XMLValuesEncoderArray extends XMLValuesEncoderBag{
 
             String valueText=child.getTextContent();
 
-            if(ValueDecoder.isReference(valueText)){
+            if(force_string){
+                bagItem.setValueAsString(ValueDecoder
+                        .unEscapeSpecialCharacter(valueText));
+            }else if(force_integer){
+                valueText=trimText(valueText);
+                if(!ValueDecoder.isInteger(valueText)){
+                    throw new EncodeException("Invalid integer value for array name="
+                            +parentElement.getAttributeValue("name")
+                            +", entry no"+(i+1)+", near line: " + child.getLineNumber());
+                }
+                bagItem.setTypeAndData(ValueType.INT_DEC,
+                        ValueDecoder.parseInteger(valueText));
+            }else if(ValueDecoder.isReference(valueText)){
                 bagItem.setTypeAndData(ValueType.REFERENCE,
                         getMaterials().resolveReference(valueText));
             }else if(EncodeUtil.isEmpty(valueText)) {
                 bagItem.setTypeAndData(ValueType.NULL, 0);
-            }else if(!tag_string){
+            }else {
                 ValueDecoder.EncodeResult encodeResult =
                         ValueDecoder.encodeGuessAny(valueText);
                 if(encodeResult!=null){
@@ -54,10 +74,13 @@ class XMLValuesEncoderArray extends XMLValuesEncoderBag{
                     bagItem.setValueAsString(ValueDecoder
                             .unEscapeSpecialCharacter(valueText));
                 }
-            }else {
-                bagItem.setValueAsString(ValueDecoder
-                        .unEscapeSpecialCharacter(valueText));
             }
         }
     }
+    private static String trimText(String text){
+        if(text==null){
+            return null;
+        }
+        return text.trim();
+    }
 }