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app/src/main/java/com/hippo/network/UrlBuilder.java

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+/*
+ * Copyright (C) 2014-2015 Hippo Seven
+ *
+ * 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.hippo.network;
+
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+
+public class UrlBuilder {
+
+    public String mRootUrl;
+    public Map<String, Object> mQueryMap = new HashMap<>();
+
+    public UrlBuilder(String rootUrl) {
+        mRootUrl = rootUrl;
+    }
+
+    public void addQuery(String key, Object value) {
+        mQueryMap.put(key, value);
+    }
+
+    public String build() {
+        if (mQueryMap.size() == 0) {
+            return mRootUrl;
+        } else {
+            StringBuilder sb = new StringBuilder(mRootUrl);
+            sb.append("?");
+
+            Iterator<String> iter = mQueryMap.keySet().iterator();
+            if (iter.hasNext()) {
+                String key = iter.next();
+                Object value = mQueryMap.get(key);
+                sb.append(key).append("=").append(value);
+            }
+            while (iter.hasNext()) {
+                String key = iter.next();
+                Object value = mQueryMap.get(key);
+                sb.append("&").append(key).append("=").append(value);
+            }
+            return sb.toString();
+        }
+    }
+}