Proxy configurators

src/org/adblockplus/android/compat/ProxyProperties.java

+/*
+ * This file is part of Adblock Plus <http://adblockplus.org/>,
+ * Copyright (C) 2006-2014 Eyeo GmbH
+ *
+ * Adblock Plus is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * Adblock Plus is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.adblockplus.android.compat;
+
+import android.content.Context;
+import android.net.ConnectivityManager;
+
+/**
+ * Compatibility wrapper for various {@code ProxyProperties}.
+ *
+ * @author rjeschke
+ */
+public class ProxyProperties
+{
+  private final static String DEFAULT_EXCL_LIST = null;
+
+  private final String host;
+  private final int port;
+  private final String exclusionList;
+
+  public ProxyProperties(final String host, final int port, final String excl)
+  {
+    this.host = host;
+    this.port = port;
+    this.exclusionList = excl;
+  }
+
+  public ProxyProperties(final String host, final int port)
+  {
+    this(host, port, DEFAULT_EXCL_LIST);
+  }
+
+  public String getHost()
+  {
+    return this.host;
+  }
+
+  public int getPort()
+  {
+    return this.port;
+  }
+
+  public String getExclusionList()
+  {
+    return this.exclusionList;
+  }
+
+  public Object toAndroidNetProxyProperties() throws CompatibilityException
+  {
+    try
+    {
+      return Class.forName("android.net.ProxyProperties")
+          .getConstructor(String.class, int.class, String.class)
+          .newInstance(this.host, Integer.valueOf(this.port), this.exclusionList);
+    }
+    catch (final Throwable t)
+    {
+      throw new CompatibilityException(t);
+    }
+  }
+
+  public Object toCmProxyProperties() throws CompatibilityException
+  {
+    try
+    {
+      return Class.forName("org.cyanogenmod.support.proxy.CmProxyProperties")
+          .getConstructor(String.class, int.class, String.class)
+          .newInstance(this.host, Integer.valueOf(this.port), this.exclusionList);
+    }
+    catch (final Throwable t)
+    {
+      throw new CompatibilityException(t);
+    }
+  }
+
+  public static ProxyProperties fromObject(final Object proxyProperties) throws CompatibilityException
+  {
+    if (proxyProperties == null)
+    {
+      return null;
+    }
+
+    try
+    {
+      final Class<?> clazz = proxyProperties.getClass();
+
+      final String host = (String) clazz.getMethod("getHost").invoke(proxyProperties);
+      final int port = ((Number) clazz.getMethod("getPort").invoke(proxyProperties)).intValue();
+      final String exlc = (String) clazz.getMethod("getExclusionList").invoke(proxyProperties);
+
+      return new ProxyProperties(host, port, exlc);
+    }
+    catch (final Throwable t)
+    {
+      throw new CompatibilityException(t);
+    }
+  }
+
+  public static ProxyProperties fromConnectivityManager(final ConnectivityManager manager) throws CompatibilityException
+  {
+    try
+    {
+      return fromObject(manager.getClass()
+          .getMethod("getProxy")
+          .invoke(manager));
+    }
+    catch (final Throwable t)
+    {
+      throw new CompatibilityException(t);
+    }
+  }
+
+  public static ProxyProperties fromContext(final Context context)
+  {
+    try
+    {
+      return fromConnectivityManager((ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE));
+    }
+    catch (final CompatibilityException e)
+    {
+      return null;
+    }
+  }
+
+  @Override
+  public String toString()
+  {
+    // Copied from android.net.ProxyProperties
+    final StringBuilder sb = new StringBuilder();
+
+    if (this.host != null)
+    {
+      sb.append("[");
+      sb.append(this.host);
+      sb.append("] ");
+      sb.append(Integer.toString(this.port));
+      if (this.exclusionList != null)
+      {
+        sb.append(" xl=").append(this.exclusionList);
+      }
+    }
+    else
+    {
+      sb.append("[ProxyProperties.mHost == null]");
+    }
+
+    return sb.toString();
+  }
+}