[LIB-13] Several options for working through a proxy server

[chesshog-scanner.git] / src / main / java / org / hedgecode / chess / scanner / proxy / client / LocalDnsResolver.java

diff --git a/src/main/java/org/hedgecode/chess/scanner/proxy/client/LocalDnsResolver.java b/src/main/java/org/hedgecode/chess/scanner/proxy/client/LocalDnsResolver.java
new file mode 100644 (file)
index 0000000..ae96759
--- /dev/null
+++ b/src/main/java/org/hedgecode/chess/scanner/proxy/client/LocalDnsResolver.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2019-2020. Developed by Hedgecode.
+ *
+ * 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 org.hedgecode.chess.scanner.proxy.client;
+
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.http.conn.DnsResolver;
+
+/**
+ * LocalDnsResolver
+ *
+ * @author Dmitry Samoshin aka gotty
+ */
+public class LocalDnsResolver implements DnsResolver {
+
+    private static final String LOCALHOST = "localhost";
+    private static final byte[] IP_ADDRESS = { 127, 0, 0, 1 };
+
+    private final Map<String, byte[]> resolvers = new HashMap<String, byte[]>() {
+        {
+            put( LOCALHOST, IP_ADDRESS );
+        }
+    };
+
+    @Override
+    public InetAddress[] resolve(String host) throws UnknownHostException {
+        return new InetAddress[] {
+                InetAddress.getByAddress(
+                        LOCALHOST, resolvers.get(LOCALHOST)
+                )
+        };
+    }
+
+}