Divide the MSB source codes into two repos

[msb/apigateway.git] / apiroute / apiroute-service / src / main / java / org / onap / msb / apiroute / wrapper / util / CommonUtil.java

diff --git a/apiroute/apiroute-service/src/main/java/org/onap/msb/apiroute/wrapper/util/CommonUtil.java b/apiroute/apiroute-service/src/main/java/org/onap/msb/apiroute/wrapper/util/CommonUtil.java
new file mode 100644 (file)
index 0000000..2ad84a7
--- /dev/null
+++ b/apiroute/apiroute-service/src/main/java/org/onap/msb/apiroute/wrapper/util/CommonUtil.java
@@ -0,0 +1,76 @@
+package org.onap.msb.apiroute.wrapper.util;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.apache.commons.lang3.StringUtils;
+
+public class CommonUtil {
+
+  public static final int SC_OK = 200;
+  
+  public static Object[] concat(Object[] a, Object[] b) {
+    Object[] c = new Object[a.length + b.length];
+    System.arraycopy(a, 0, c, 0, a.length);
+    System.arraycopy(b, 0, c, a.length, b.length);
+    return c;
+  }
+
+  public static boolean contain(String strArray, String str) {
+    String[] array = StringUtils.split(strArray, ",");
+    return contain(array, str);
+  }
+
+  public static boolean contain(String[] array, String str) {
+    for (int i = 0; i < array.length; i++) {
+      if (array[i].trim().equals(str)) {
+        return true;
+      }
+    }
+    return false;
+
+  }
+
+  public static boolean contain(String[] array, String value[]) {
+    for (int i = 0; i < array.length; i++) {
+      for (int n = 0; n < value.length; n++) {
+        if (array[i].equals(value[n])) {
+          return true;
+        }
+      }
+    }
+    return false;
+
+  }
+
+  /**
+   * @param <T>
+   * @Title getDiffrent
+   * @Description TODO(Extract the list1 and list2 different data sets)
+   * @param list1
+   * @param list2
+   * @return TODO（a new List in list2 but not in list1）
+   * @return List<String>
+   */
+  public static <T> Set<T> getDiffrent(Set<T> list1, Set<T> list2) {
+
+    HashSet<T> set_all = new HashSet<T>();
+
+    for (T t1 : list1) {
+      set_all.add(t1);
+    }
+
+
+    Set<T> diff = new HashSet<T>();
+
+    for (T t2 : list2) {
+      if (set_all.add(t2)) { // in list2 but not in list1
+        diff.add(t2);
+      }
+    }
+
+
+    return diff;
+  }
+
+}