Revert "Refactor IpConfiguration from WifiConfiguration"

This reverts commit 9472a8b7bc403fe0573a1773495de91799f65b80.

Change-Id: Ibccea84e5dc44c1b8954779660e0721b27f762d4
diff --git a/core/java/android/net/IpConfiguration.java b/core/java/android/net/IpConfiguration.java
deleted file mode 100644
index 7f835e4..0000000
--- a/core/java/android/net/IpConfiguration.java
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- * Copyright (C) 2014 The Android Open Source 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 android.net;
-
-import android.net.LinkProperties;
-import android.os.Parcel;
-import android.os.Parcelable;
-import android.util.Log;
-
-/**
- * A class representing a configured network.
- */
-public class IpConfiguration implements Parcelable {
-    private static final String TAG = "IpConfiguration";
-
-    /**
-     * @hide
-     */
-    public enum IpAssignment {
-        /* Use statically configured IP settings. Configuration can be accessed
-         * with linkProperties */
-        STATIC,
-        /* Use dynamically configured IP settigns */
-        DHCP,
-        /* no IP details are assigned, this is used to indicate
-         * that any existing IP settings should be retained */
-        UNASSIGNED
-    }
-
-    /**
-     * @hide
-     */
-    public IpAssignment ipAssignment;
-
-    /**
-     * @hide
-     */
-    public enum ProxySettings {
-        /* No proxy is to be used. Any existing proxy settings
-         * should be cleared. */
-        NONE,
-        /* Use statically configured proxy. Configuration can be accessed
-         * with linkProperties */
-        STATIC,
-        /* no proxy details are assigned, this is used to indicate
-         * that any existing proxy settings should be retained */
-        UNASSIGNED,
-        /* Use a Pac based proxy.
-         */
-        PAC
-    }
-
-    /**
-     * @hide
-     */
-    public ProxySettings proxySettings;
-
-    /**
-     * @hide
-     */
-    public LinkProperties linkProperties;
-
-    public IpConfiguration() {
-        ipAssignment = IpAssignment.UNASSIGNED;
-        proxySettings = ProxySettings.UNASSIGNED;
-        linkProperties = new LinkProperties();
-    }
-
-    /** copy constructor {@hide} */
-    public IpConfiguration(IpConfiguration source) {
-        if (source != null) {
-            ipAssignment = source.ipAssignment;
-            proxySettings = source.proxySettings;
-            linkProperties = new LinkProperties(source.linkProperties);
-        }
-    }
-
-    public static IpConfiguration createDefaultConfiguration() {
-        IpConfiguration config = new IpConfiguration();
-        config.ipAssignment = IpAssignment.DHCP;
-        config.proxySettings = ProxySettings.NONE;
-        return config;
-    }
-
-    public void mergeFrom(IpConfiguration source) {
-        if (source == null) {
-            Log.e(TAG, "source is null");
-            return;
-        }
-
-        linkProperties = source.linkProperties;
-        if (source.ipAssignment != IpAssignment.UNASSIGNED) {
-            ipAssignment = source.ipAssignment;
-        }
-        if (source.proxySettings != ProxySettings.UNASSIGNED) {
-            proxySettings = source.proxySettings;
-        }
-    }
-
-    @Override
-    public String toString() {
-        StringBuilder sbuf = new StringBuilder();
-        sbuf.append("IP assignment: " + ipAssignment.toString());
-        sbuf.append("\n");
-        sbuf.append("Proxy settings: " + proxySettings.toString());
-        sbuf.append("\n");
-        sbuf.append(linkProperties.toString());
-        sbuf.append("\n");
-
-        return sbuf.toString();
-    }
-
-    /** Implement the Parcelable interface {@hide} */
-    public int describeContents() {
-        return 0;
-    }
-
-    /** Implement the Parcelable interface {@hide} */
-    public void writeToParcel(Parcel dest, int flags) {
-        dest.writeString(ipAssignment.name());
-        dest.writeString(proxySettings.name());
-        dest.writeParcelable(linkProperties, flags);
-    }
-
-    /** Implement the Parcelable interface {@hide} */
-    public static final Creator<IpConfiguration> CREATOR =
-        new Creator<IpConfiguration>() {
-            public IpConfiguration createFromParcel(Parcel in) {
-                IpConfiguration config = new IpConfiguration();
-                config.setFromParcel(in);
-                return config;
-            }
-
-            public IpConfiguration[] newArray(int size) {
-                return new IpConfiguration[size];
-            }
-        };
-
-    protected void setFromParcel(Parcel in) {
-        ipAssignment = IpAssignment.valueOf(in.readString());
-        proxySettings = ProxySettings.valueOf(in.readString());
-        linkProperties = in.readParcelable(null);
-    }
-}