Revert "smdk4412-qcom: remove Operators"

This reverts commit 1a8a957fab47f46a9248e0f93d3353ba9d8d1a8f.

Need to change authorship

Change-Id: Icd767638d9e8f1832b1b81ac362ac20c77c91ea5

1 files changed, 151 insertions, 0 deletions

diff --git a/ril/telephony/java/com/android/internal/telephony/Operators.java b/ril/telephony/java/com/android/internal/telephony/Operators.java
new file mode 100644
index 0000000..51359ed
--- /dev/null
+++ b/ril/telephony/java/com/android/internal/telephony/Operators.java
@@ -0,0 +1,151 @@
+/*
+ * Copyright (C) 2013-2014 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.internal.telephony;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.Collections;
+import java.util.Map;
+import java.util.HashMap;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
+import android.os.Environment;
+import android.telephony.Rlog;
+import android.util.Xml;
+
+import com.android.internal.util.XmlUtils;
+
+public class Operators{
+
+
+    // Initialize list of Operator codes
+    // this will be taken care of when garbage collection starts.
+    private HashMap<String, String>  initList() {
+        HashMap<String, String> init = new HashMap<String, String>();
+        //taken from spnOveride.java
+
+        FileReader spnReader;
+
+        final File spnFile = new File(Environment.getRootDirectory(),
+                                     "etc/selective-spn-conf.xml");
+
+        try {
+            spnReader = new FileReader(spnFile);
+        } catch (FileNotFoundException e) {
+            Rlog.w("Operatorcheck", "Can not open " +
+                   Environment.getRootDirectory() + "/etc/selective-spn-conf.xml");
+            return init;
+        }
+
+        try {
+            XmlPullParser parser = Xml.newPullParser();
+            parser.setInput(spnReader);
+
+            XmlUtils.beginDocument(parser, "spnOverrides");
+
+            while (true) {
+                XmlUtils.nextElement(parser);
+
+                String name = parser.getName();
+                if (!"spnOverride".equals(name)) {
+                    break;
+                }
+
+                String numeric = parser.getAttributeValue(null, "numeric");
+                String data    = parser.getAttributeValue(null, "spn");
+
+                init.put(numeric, data);
+            }
+        } catch (XmlPullParserException e) {
+            Rlog.w("Operatorcheck", "Exception in spn-conf parser " + e);
+        } catch (IOException e) {
+            Rlog.w("Operatorcheck", "Exception in spn-conf parser " + e);
+        }
+        return init;
+    }
+    //this will stay persistant in memory when called
+    private static String stored = null;
+    private static String storedOperators = null;
+
+    public static String operatorReplace(String response){
+        // sanity checking if the value is actually not equal to the range apn
+        // numerics
+        // if it is null, check your ril class.
+        if(response == null ||
+           (5 != response.length() && response.length() != 6)){
+            return response;
+        }
+        // this will check if the stored value is equal to other.
+        // this uses a technique called last known of good value.
+        // along with sanity checking
+        if(storedOperators != null && stored != null && stored.equals(response)){
+            return storedOperators;
+        }
+        stored = response;
+        try {
+            // this will find out if it a number then it will catch it based
+            // on invalid chars.
+            Integer.parseInt(response);
+        }  catch(NumberFormatException E){
+            // not a number, pass it along to stored operator until the next
+            // round.
+            storedOperators = response;
+            return storedOperators;
+        }
+        // this code will be taking care of when garbage collection start
+        Operators init = new Operators();
+        Map<String, String> operators = init.initList();
+        storedOperators = operators.containsKey(response) ? operators.get(response) : response;
+        return storedOperators;
+    }
+
+    // this will not stay persistant in memory, this will be taken care of
+    // iin garbage collection routiene.
+    private Map<String, String> unOptOperators = null;
+    // unoptimized version of operatorreplace for responseOperatorInfos
+    // this will provide a little more flexiblilty  in a loop like sisuation
+    // same numbers of checks like before
+    // this is for the search network functionality
+    public String unOptimizedOperatorReplace(String response){
+        // sanity checking if the value is actually not equal to the range apn
+        // numerics
+        // if it is null, check your ril class.
+        if(response == null ||
+           (5 != response.length() && response.length() != 6)){
+            return response;
+        }
+
+        try {
+            // this will find out if it a number then it will catch it based
+            // on invalid chars.
+            Integer.parseInt(response);
+        }  catch(NumberFormatException E){
+            // an illegal char is found i.e a word
+            return response;
+        }
+
+        if (unOptOperators == null){
+            unOptOperators = initList();
+        }
+
+        return unOptOperators.containsKey(response) ? unOptOperators.get(response) : response;
+    }
+}