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      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.net;
     18 
     19 import android.os.Parcelable;
     20 import android.os.Parcel;
     21 
     22 /**
     23  * A simple object for retrieving / setting an interfaces configuration
     24  * @hide
     25  */
     26 public class InterfaceConfiguration implements Parcelable {
     27     public String hwAddr;
     28     public int ipAddr;
     29     public int netmask;
     30     public String interfaceFlags;
     31 
     32     public InterfaceConfiguration() {
     33         super();
     34     }
     35 
     36     public String toString() {
     37         StringBuffer str = new StringBuffer();
     38 
     39         str.append("ipddress "); putAddress(str, ipAddr);
     40         str.append(" netmask "); putAddress(str, netmask);
     41         str.append(" flags ").append(interfaceFlags);
     42         str.append(" hwaddr ").append(hwAddr);
     43 
     44         return str.toString();
     45     }
     46 
     47     private static void putAddress(StringBuffer buf, int addr) {
     48         buf.append((addr >> 24) & 0xff).append('.').
     49             append((addr >> 16) & 0xff).append('.').
     50             append((addr >> 8) & 0xff).append('.').
     51             append(addr & 0xff);
     52     }
     53 
     54     /** Implement the Parcelable interface {@hide} */
     55     public int describeContents() {
     56         return 0;
     57     }
     58 
     59     /** Implement the Parcelable interface {@hide} */
     60     public void writeToParcel(Parcel dest, int flags) {
     61         dest.writeString(hwAddr);
     62         dest.writeInt(ipAddr);
     63         dest.writeInt(netmask);
     64         dest.writeString(interfaceFlags);
     65     }
     66 
     67     /** Implement the Parcelable interface {@hide} */
     68     public static final Creator<InterfaceConfiguration> CREATOR =
     69         new Creator<InterfaceConfiguration>() {
     70             public InterfaceConfiguration createFromParcel(Parcel in) {
     71                 InterfaceConfiguration info = new InterfaceConfiguration();
     72                 info.hwAddr = in.readString();
     73                 info.ipAddr = in.readInt();
     74                 info.netmask = in.readInt();
     75                 info.interfaceFlags = in.readString();
     76                 return info;
     77             }
     78 
     79             public InterfaceConfiguration[] newArray(int size) {
     80                 return new InterfaceConfiguration[size];
     81             }
     82         };
     83 }
     84